Preprints:

Articles in Refereed Journals:

40. Toshio Suzuki, Ken'ichiro Nakazato, and Makoto Sakuda;

``Neutrino-induced reactions on ¹⁸O and implications of ¹⁸O mixture in water Cherenkov detectors on supernova neutrino events''

Nuclear Physics A 1038 (2023) 122719 (14 pages), arXiv:2306.00277 [nucl-th].

39. Akira Harada, Yudai Suwa, Masayuki Harada, Yusuke Koshio, Masamitsu Mori, Fumi Nakanishi, Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Roger A. Wendell;

``Observing Supernova Neutrino Light Curves with Super-Kamiokande. IV. Development of SPECIAL BLEND: a New Public Analysis Code for Supernova Neutrino''

The Astrophysical Journal 954 (2023) 52 (13 pages), arXiv:2304.05437 [astro-ph.HE].

38. Yosuke Ashida, Ken'ichiro Nakazato, and Takuji Tsujimoto;

``Diffuse Neutrino Flux Based on the Rates of Core-Collapse Supernovae and Black Hole Formation Deduced from a Novel Galactic Chemical Evolution Model''

The Astrophysical Journal 953 (2023) 151 (9 pages), arXiv:2305.13543 [astro-ph.HE].

37. Kohsuke Sumiyoshi, Shun Furusawa, Hiroki Nagakura, Akira Harada, Hajime Togashi, Ken'ichiro Nakazato, and Hideyuki Suzuki;

``Effects of nuclear matter and composition in core-collapse supernovae and long-term proto-neutron star cooling''

Progress of Theoretical and Experimental Physics 2023 (2023) 013E02 (32 pages), arXiv:2209.02474 [astro-ph.HE].

36. Makoto Sakuda, Toshio Suzuki, Mandeep Singh Reen, Ken'ichiro Nakazato, and Hideyuki Suzuki;

``Detection of the 4.4-MeV gamma rays from ¹⁶O(ν, ν')¹⁶O(12.97 MeV, 2⁻) with a water-Cherenkov detector in the supernova neutrino bursts''

Progress of Theoretical and Experimental Physics 2023 (2023) 013D02 (21 pages), arXiv:2211.07851 [astro-ph.HE].

35. Yosuke Ashida, and Ken'ichiro Nakazato;

``Exploring the Fate of Stellar Core Collapse with Supernova Relic Neutrinos''

The Astrophysical Journal 937 (2022) 30 (11 pages), arXiv:2204.04880 [astro-ph.HE].

34. Yudai Suwa, Akira Harada, Masayuki Harada, Yusuke Koshio, Masamitsu Mori, Fumi Nakanishi, Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Roger A. Wendell;

``Observing Supernova Neutrino Light Curves with Super-Kamiokande. III. Extraction of Mass and Radius of Neutron Stars from Synthetic Data''

The Astrophysical Journal 934 (2022) 15 (5 pages), arXiv:2204.08363 [astro-ph.HE].

33. Ken'ichiro Nakazato, Fumi Nakanishi, Masayuki Harada, Yusuke Koshio, Yudai Suwa, Kohsuke Sumiyoshi, Akira Harada, Masamitsu Mori, and Roger A. Wendell;

``Observing Supernova Neutrino Light Curves with Super-Kamiokande. II. Impact of the Nuclear Equation of State''

The Astrophysical Journal 925 (2022) 98 (16 pages), arXiv:2108.03009 [astro-ph.HE].

The supernova neutrino data presented in this study are here.

32. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Hajime Togashi;

``Numerical Study of Stellar Core Collapse and Neutrino Emission Using the Nuclear Equation of State Obtained by the Variational Method''

Publications of the Astronomical Society of Japan 73 (2021) 639-651, arXiv:2103.14386 [astro-ph.HE].

31. Masamitsu Mori, Yudai Suwa, Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Masayuki Harada, Akira Harada, Yusuke Koshio, and Roger A. Wendell;

``Developing an end-to-end simulation framework of supernova neutrino detection''

Progress of Theoretical and Experimental Physics 2021 (2021) 023E01 (21 pages), arXiv:2010.16254 [astro-ph.HE].

30. Yudai Suwa, Akira Harada, Ken'ichiro Nakazato, and Kohsuke Sumiyoshi;

``Analytic solutions for neutrino-light curves of core-collapse supernovae''

Progress of Theoretical and Experimental Physics 2021 (2021) 013E01 (12 pages), arXiv:2008.07070 [astro-ph.HE].

29. Jinniu Hu, Shishao Bao, Ying Zhang, Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Hong Shen;

``Effects of symmetry energy on the radius and tidal deformability of neutron stars in relativistic mean-field model''

Progress of Theoretical and Experimental Physics 2020 (2020) 043D01 (20 pages), arXiv:2002.00562 [nucl-th].

28. Ken'ichiro Nakazato, and Hideyuki Suzuki;

``A New Approach to Mass and Radius of Neutron Stars with Supernova Neutrinos''

The Astrophysical Journal 891 (2020) 156 (5 pages), arXiv:2002.03300 [astro-ph.HE].

27. Kohsuke Sumiyoshi, Ken'ichiro Nakazato, Hideyuki Suzuki, Jinniu Hu, and Hong Shen;

``Influence of Density Dependence of Symmetry Energy in Hot and Dense Matter for Supernova Simulations''

The Astrophysical Journal 887 (2019) 110 (17 pages), arXiv:1908.02928 [astro-ph.HE].

26. Akira Dohi, Ken'ichiro Nakazato, Masa-aki Hashimoto, Yasuhide Matsuo, and Tsuneo Noda;

``Possibility of rapid neutron star cooling with a realistic equation of state''

Progress of Theoretical and Experimental Physics 2019 (2019) 113E01 (15 pages), arXiv:1910.01431 [astro-ph.HE].

25. Yudai Suwa, Kohsuke Sumiyoshi, Ken'ichiro Nakazato, Yasufumi Takahira, Yusuke Koshio, Masamitsu Mori, and Roger A. Wendell;

``Observing Supernova Neutrino Light Curves with Super-Kamiokande: Expected Event Number over 10 s''

The Astrophysical Journal 881 (2019) 139 (12 pages), arXiv:1904.09996 [astro-ph.HE].

The supernova neutrino data presented in this study are here.

24. Ken'ichiro Nakazato, and Hideyuki Suzuki;

``Cooling timescale for protoneutron stars and properties of nuclear matter: Effective mass and symmetry energy at high densities''

The Astrophysical Journal 878 (2019) 25 (11 pages), arXiv:1905.00014 [astro-ph.HE].

23. Ken'ichiro Nakazato, Toshio Suzuki, and Makoto Sakuda;

``Charged-current scattering off the ¹⁶O nucleus as a detection channel for supernova neutrinos''

Progress of Theoretical and Experimental Physics 2018 (2018) 123E02 (14 pages), arXiv:1809.08398 [astro-ph.HE].

22. Ken'ichiro Nakazato, Hideyuki Suzuki, and Hajime Togashi;

``Heavy nuclei as thermal insulation for protoneutron stars''

Physical Review C 97 (2018) 035804 (5 pages), arXiv:1710.10441 [astro-ph.HE].

21. H. Togashi, K. Nakazato, Y. Takehara, S. Yamamuro, H. Suzuki, and M. Takano;

``Nuclear equation of state for core-collapse supernova simulations with realistic nuclear forces''

Nuclear Physics A 961 (2017) 78-105, arXiv:1702.05324 [nucl-th].

The EOS tables computed in this study are here.

20. Ken'ichiro Nakazato, Yuu Niino, and Norichika Sago;

``Gravitational-Wave Background from Binary Mergers and Metallicity Evolution of Galaxies''

The Astrophysical Journal 832 (2016) 146 (10 pages), arXiv:1605.02146 [astro-ph.HE].

19. Ken'ichiro Nakazato, Eri Mochida, Yuu Niino, and Hideyuki Suzuki;

``Spectrum of the Supernova Relic Neutrino Background and Metallicity Evolution of Galaxies''

The Astrophysical Journal 804 (2015) 75 (15 pages), arXiv:1503.01236 [astro-ph.HE].

The flux data of supernova relic neutrinos computed in this study are here.

18. Ken'ichiro Nakazato;

``Self-organized criticality in a spherically closed cellular automaton: Modeling soft gamma repeater bursts driven by magnetic reconnection''

Physical Review D 90 (2014) 043010 (6 pages), arXiv:1408.1206 [astro-ph.HE].

17. H. Togashi, M. Takano, K. Sumiyoshi, and K. Nakazato;

``Application of the nuclear equation of state obtained by the variational method to core-collapse supernovae''

Progress of Theoretical and Experimental Physics 2014 (2014) 023D05 (19 pages), arXiv:1401.5579 [nucl-th].

16. Tsuyoshi Miyatsu, Sachiko Yamamuro, and Ken'ichiro Nakazato;

``A new equation of state for neutron star matter with nuclei in the crust and hyperons in the core''

The Astrophysical Journal 777 (2013) 4 (10 pages), arXiv:1308.6121 [astro-ph.HE].

The EOS tables computed in this study are here.

15. Ken'ichiro Nakazato;

``Imprint of Explosion Mechanism on Supernova Relic Neutrinos''

Physical Review D 88 (2013) 083012 (5 pages), arXiv:1306.4526 [astro-ph.HE].

14. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Stellar Core Collapse with Hadron-Quark Phase Transition''

Astronomy & Astrophysics 558 (2013) A50 (5 pages), arXiv:1309.3383 [astro-ph.HE].

13. Hajime Sotani, Ken'ichiro Nakazato, Kei Iida, and Kazuhiro Oyamatsu;

``Possible Constraints on the Density Dependence of the Nuclear Symmetry Energy from Quasi-periodic Oscillations in Soft Gamma Repeaters''

Monthly Notices of the Royal Astronomical Society 434 (2013) 2060-2068, arXiv:1303.4500 [astro-ph.HE].

12. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, Tomonori Totani, Hideyuki Umeda, and Shoichi Yamada;

``Supernova Neutrino Light Curves and Spectra for Various Progenitor Stars: From Core Collapse to Proto-neutron Star Cooling''

The Astrophysical Journal Supplement 205 (2013) 2 (17 pages), arXiv:1210.6841 [astro-ph.HE].

The supernova neutrino data computed in this study are here.

11. Hajime Sotani, Ken'ichiro Nakazato, Kei Iida, and Kazuhiro Oyamatsu;

``Effect of superfluidity on neutron star crustal oscillations''

Monthly Notices of the Royal Astronomical Society: Letters 428 (2013) L21-L25, arXiv:1210.0955 [astro-ph.HE].

10. Hajime Sotani, Ken'ichiro Nakazato, Kei Iida, and Kazuhiro Oyamatsu;

``Probing the Equation of State of Nuclear Matter via Neutron Star Asteroseismology''

Physical Review Letters 108 (2012) 201101 (4 pages), arXiv:1202.6242 [astro-ph.HE].

9. Ken'ichiro Nakazato, Shun Furusawa, Kohsuke Sumiyoshi, Akira Ohnishi, Shoichi Yamada, and Hideyuki Suzuki;

``Hyperon Matter and Black Hole Formation in Failed Supernovae''

The Astrophysical Journal 745 (2012) 197 (10 pages), arXiv:1111.2900 [astro-ph.HE].

8. Ken'ichiro Nakazato, Kei Iida, and Kazuhiro Oyamatsu;

``Curvature effect on nuclear ``pasta'': Is it helpful for gyroid appearance?''

Physical Review C 83 (2011) 065811 (10 pages), arXiv:1011.3866 [nucl-th].

7. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Impact of Quarks and Pions on Dynamics and Neutrino Signal of Black Hole Formation in Non-rotating Stellar Core Collapse''

The Astrophysical Journal 721 (2010) 1284-1294, arXiv:1001.5084 [astro-ph.HE].

6. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, and Shoichi Yamada;

``Exploring Hadron Physics in Black Hole Formations: a New Promising Target of Neutrino Astronomy''

Physical Review D 81 (2010) 083009 (6 pages), arXiv:1004.0291 [astro-ph.HE].

5. Ken'ichiro Nakazato, Kazuhiro Oyamatsu, and Shoichi Yamada;

``Gyroid Phase in Nuclear Pasta''

Physical Review Letters 103 (2009) 132501 (4 pages), arXiv:0905.2016 [nucl-th].

4. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, and Shoichi Yamada;

``Oscillation and Future Detection of Failed Supernova Neutrinos from Black Hole Forming Collapse''

Physical Review D 78 (2008) 083014 (14 pages), arXiv:0810.3734 [astro-ph], WU-AP/293/08;

Erratum: ibid. 79 (2009) 069901(E) (1 page).

3. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Astrophysical Implications of Equation of State for Hadron-Quark Mixed Phase: Compact Stars and Stellar Collapses''

Physical Review D 77 (2008) 103006 (12 pages), arXiv:0804.0661 [astro-ph], WU-AP/275/07.

2. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Numerical Study of Stellar Core Collapse and Neutrino Emission: Probing the Spherically Symmetric Black Hole Progenitors with 3-30M_solar Iron Cores''

The Astrophysical Journal 666 (2007) 1140-1151, arXiv:0705.4350 [astro-ph], WU-AP/258/06.

1. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational Collapse and Neutrino Emission of Population III Massive Stars''

The Astrophysical Journal 645 (2006) 519-533, astro-ph/0509868, WU-AP/233/05.

Proceedings in Refereed Journals:

9. Toshio Suzuki, Satoshi Chiba, Takashi Yoshida, Ken'ichiro Nakazato, Makoto Sakuda, Koh Takahashi, and Hideyuki Umeda;

``Neutrino-nucleus reactions on oxygen and neon for nucleosynthesis and supernova neutrino detection''

Journal of Physics: Conference Series 1643 (2020) 012027 (7 pages).

Proceedings of 27th International Nuclear Physics Conference (INPC2019), ed. by D. Ireland et al.

8. Ken'ichiro Nakazato, and Hideyuki Suzuki;

``Supernova neutrinos in the proto-neutron star cooling phase and nuclear matter''

Journal of Physics: Conference Series 1468 (2020) 012089 (4 pages).

Proceedings of 16th International Conference on Topics in Astroparticle and Underground Physics (TAUP 2019), ed. by M. Nakahata and M. Ohashi.

7. H. Togashi, Y. Takehara, S. Yamamuro, K. Nakazato, H. Suzuki, K. Sumiyoshi, and M. Takano;

``Equation of state for nuclear matter in core-collapse supernovae by the variational method''

Journal of Physics: Conference Series 569 (2014) 012058 (5 pages).

Proceedings of 3rd International Workshop on ``State of the Art in Nuclear Cluster Physics'' (SOTANCP3), ed. by T. Yamada and Y. Kanada-En'yo.

6. Hajime Togashi, Masatoshi Takano, Kohsuke Sumiyoshi, and Ken'ichiro Nakazato;

``Nuclear equation of state with the variational method and its application to supernova simulations''

International Journal of Modern Physics: Conference Series 29 (2014) 1460221 (9 pages).

Proceedings of the Workshop on Hadron Nuclear Physics (HNP2013), ed. by X.-H. Zhong.

5. Hajime Sotani, Ken'ichiro Nakazato, Kei Iida, and Kazuhiro Oyamatsu;

``Constraints on the nuclear symmetry energy via asteroseismology''

Journal of Physics: Conference Series 453 (2013) 012016 (6 pages).

Proceedings of 15th Conference on Recent Developments in Gravity (NEB 15), ed. by T. Papakostas and D.A. Pliakis.

4. Ken'ichiro Nakazato;

``Some Topics on Nuclear Astrophysics and Neutrino Astronomy''

Progress of Theoretical Physics Supplement 186 (2010) 51-56.

Proceedings of YITP International Symposium: New Frontiers in QCD 2010, ed. by A. Ohnishi et al.

3. K. Sumiyoshi, K. Nakazato, C. Ishizuka, A. Ohnishi, S. Yamada, and H. Suzuki;

``Emergence of hyperons in failed supernovae with short neutrino bursts''

Nuclear Physics A 835 (2010) 295-302.

Proceedings of 10th International Conference on Hypernuclear and Strange Particle ``Hyp X'', ed. by B.F. Gibson, K. Imai, T. Motoba, T. Nagae and A. Ohnishi.

2. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Stellar Collapse with Hadron-Quark Phase Transition of Hot and Dense Matter''

Progress of Theoretical Physics Supplement 174 (2008) 76-79.

Proceedings of YITP International Symposium: Fundamental Problems in Hot and/or Dense QCD, ed. by T. Kunihiro et al.

1. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational Collapse and Neutrino Emission of Population III Massive Stars''

Journal of Physics: Conference Series 31 (2006) 205-206.

Proceedings of The Third 21COE Symposium: Astrophysics as Interdisciplinary Science, ed. by K. Maeda, S. Yamada and T. Daishido.

Other Proceedings:

29. Fumi Nakanishi, Akira Harada, Masayuki Harada, Yusuke Koshio, Masamitsu Mori, Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Yudai Suwa, and Roger A. Wendell;

``Development of analysis method for late-phase neutrino emission from the supernova in Super-Kamiokande''

Proceedings of Science 441 (2024) 209 (4 pages),

Proceedings of XVIII International Conference on Topics in Astroparticle and Underground Physics 2023 (TAUP2023), ed. by V. Mokina.

28. Yosuke Ashida, Ken'ichiro Nakazato, and Takuji Tsujimoto;

``Diffuse supernova neutrino background as a probe to explore the fate of stellar core collapse''

Proceedings of Science 444 (2023) 981 (8 pages),

Proceedings of 38th International Cosmic Ray Conference (ICRC2023) - Neutrino Astronomy & Physics, ed. by T. Saito and K. Okumura.

27. Akira Dohi, Masa-aki Hashimoto, Yasuhide Matsuo, Ken'ichiro Nakazato, and Tsuneo Noda;

``Dependence of Neutron Star Cooling on the Equation of State with a Possible Exotic Particle''

JPS Conference Proceedings 31 (2020) 011047 (4 pages).

Proceedings of the 15th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG15), ed. by T. Kawabata et al.

26. Mandeep S. Reen, Makoto Sakuda^*, Takashi Sudo, Atsushi Tamii, Ken'ichiro Nakazato, Toshio Suzuki, and Hideyuki Suzuki;

``Estimation of γ-Ray Production from Neutral-Current Neutrino-Carbon and -Oxygen Inelastic Reactions Induced by Supernova Neutrinos''

JPS Conference Proceedings 31 (2020) 011014 (9 pages).

Proceedings of the 15th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG15), ed. by T. Kawabata et al.

25. Ken'ichiro Nakazato;

``Neutrino Observation of Core Collapse Supernovae''

JPS Conference Proceedings 20 (2018) 011030 (3 pages).

Proceedings of the Workshop on Quarks and Compact Stars 2017 (QCS2017), ed. by T. Tatsumi, T. Maruyama and T. Muto.

24. Hajime Togashi, Ken'ichiro Nakazato, Yuta Takehara, Sachiko Yamamuro, Hideyuki Suzuki, and Masatoshi Takano;

``New Table of Supernova Equation of State Using a Variational Method and Its Application to Astrophysical Compact Objects''

JPS Conference Proceedings 20 (2018) 011021 (5 pages).

Proceedings of the Workshop on Quarks and Compact Stars 2017 (QCS2017), ed. by T. Tatsumi, T. Maruyama and T. Muto.

23. Ken'ichiro Nakazato, Eri Mochida, Yuu Niino, and Hideyuki Suzuki;

``Detectability and Uncertainties of the Supernova Relic Neutrino Background''

JPS Conference Proceedings 14 (2017) 010705 (4 pages).

Proceedings of the 14th International Symposium on Nuclei in the Cosmos (NIC2016), ed. by S. Kubono.

22. Ken'ichiro Nakazato;

``Supernova Explosion and Black Hole Formation with QCD Phase Transition''

Acta Astronomica Sinica, Volume 56 Supplement, p. 49-51.

Proceedings of Quarks and Compact Stars, 2015.

21. H. Togashi, Y. Takehara, S. Yamamuro, K. Nakazato, H. Suzuki, K. Sumiyoshi, and M. Takano;

``Nuclear equation of state for core-collapse supernovae with realistic nuclear forces''

Proceedings of Science 204 (2015) 169 (6 pages),

Proceedings of 13th Symposium on Nuclei in the Cosmos, ed. by Z. Elekes and Z. Fülöp.

20. Chikako Ishizuka, Ken'ichiro Nakazato, and Akira Ohnishi;

``How do neutron star radii depend on their core-crust EoS?''

Proceedings of Science 204 (2015) 100 (6 pages),

Proceedings of 13th Symposium on Nuclei in the Cosmos, ed. by Z. Elekes and Z. Fülöp.

19. Tsuyoshi Miyatsu, Sachiko Yamamuro, Ken'ichiro Nakazato, and Myung-Ki Cheoun;

``Complete equation of state for neutron stars using the relativistic Hartree-Fock approximation''

AIP Conference Proceedings 1594 (2014) 420-425.

Proceedings of Origin of Matter and Evolution of Galaxies (OMEG12), ed. by S. Jeong, N. Imai, H. Miyatake, and T. Kajino.

18. Ken'ichiro Nakazato;

``Supernova explosion and black hole formation with hadron-quark phase transition''

AIP Conference Proceedings 1594 (2014) 278-283.

Proceedings of Origin of Matter and Evolution of Galaxies (OMEG12), ed. by S. Jeong, N. Imai, H. Miyatake, and T. Kajino.

17. H. Togashi, S. Yamamuro, K. Nakazato, M. Takano, H. Suzuki, and K. Sumiyoshi;

``New Nuclear Equation of State for Core-Collapse Supernovae with the Variational Method''

EPJ Web of Conferences 66 (2014) 07026 (4 pages).

Proceedings of 25th International Nuclear Physics Conference (INPC2013), ed. by S. Lunardi et al.

16. Masatoshi Takano, Hajime Togashi, Sachiko Yamamuro, Ken'ichiro Nakazato, and Hideyuki Suzuki;

``Variational Method for Nuclear Matter with an Explicit Energy Functional''

Proceedings of Science 146 (2013) 236 (6 pages),

Proceedings of 12th Symposium on Nuclei in the Cosmos, ed. by J. Lattanzio, A. Karakas, M. Lugaro and G. Dracoulis.

15. Hideto Kikuchi, Hideyuki Suzuki, Ken'ichiro Nakazato, Shoichi Yamada, and Kohsuke Sumiyoshi;

``Systematic long term simulations of spherical supernova explosions and their applications''

AIP Conference Proceedings 1484 (2012) 397-399.

Proceedings of Origin of Matter and Evolution of Galaxies (OMEG11), ed. by S. Kubono et al.

14. M. Takano, H. Togashi, S. Yamamuro, K. Nakazato, and H. Suzuki;

``Cluster Variational Method for Nuclear Matter with the Three-Body Force''

AIP Conference Proceedings 1484 (2012) 378-380.

Proceedings of Origin of Matter and Evolution of Galaxies (OMEG11), ed. by S. Kubono et al.

13. Ken'ichiro Nakazato, and Kohsuke Sumiyoshi;

``The influence of hyperon potential on the black-hole-forming failed supernovae''

AIP Conference Proceedings 1484 (2012) 375-377.

Proceedings of Origin of Matter and Evolution of Galaxies (OMEG11), ed. by S. Kubono et al.

12. Ken'ichiro Nakazato, and Kohsuke Sumiyoshi;

``Stellar Core Collapse and Exotic Matter''

IAU Symposium, Volume 279, p. 367-368,

Proceedings of the International Astronomical Union, Death of Massive Stars: Supernovae and Gamma-Ray Bursts, ed. by P.W.A. Roming, N. Kawai and E. Pian, 2012.

11. Ken'ichiro Nakazato, and Kazuhiro Oyamatsu;

``Pasta Phase with Gyroid Morphology at Subnuclear Densities''

Proceedings of Science 100 (2011) 172 (5 pages),

Proceedings of 11th Symposium on Nuclei in the Cosmos, ed. by K. Blaum, N. Christlieb and G. Martinez-Pinedo.

10. Kohsuke Sumiyoshi, Ken'ichiro Nakazato, Hideyuki Suzuki, and Shoichi Yamada;

``Neutrino burst from failed supernovae as a promising target of neutrino astronomy''

Proceedings of Science 100 (2011) 157 (5 pages),

Proceedings of 11th Symposium on Nuclei in the Cosmos, ed. by K. Blaum, N. Christlieb and G. Martinez-Pinedo.

9. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, and Shoichi Yamada;

``Neutrino Astronomy as a Probe into Physics of Hot and Dense Matter''

AIP Conference Proceedings 1269 (2010) 354-356.

Proceedings of Origin of Matter and Evolution of Galaxies (OMEG10), ed. by I. Tanihara et al.

8. Ken'ichiro Nakazato, Kazuhiro Oyamatsu, and Shoichi Yamada;

``Pasta Phase with Gyroid Morphology at Subnuclear Densities''

AIP Conference Proceedings 1238 (2010) 218-221.

Proceedings of Tours Symposium on Nuclear Physics and Astrophysics VII, ed. by H. Susa et al.

7. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, and Shoichi Yamada;

``Neutrino Astronomy as a Probe into Physics of Hot and Dense Matter''

AIP Conference Proceedings 1238 (2010) 145-150.

Proceedings of Tours Symposium on Nuclear Physics and Astrophysics VII, ed. by H. Susa et al.

6. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Neutrino Emission from Stellar Collapse including Hadron-Quark Mixed Phase''

Proceedings of Science 53 (2009) 116 (5 pages),

Proceedings of 10th Symposium on Nuclei in the Cosmos, ed. by S.M. Austin et al.

5. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Equation of State for Hadron-Quark Mixed Phase and Stellar Collapse''

AIP Conference Proceedings 1016 (2008) 282-287.

Proceedings of Origin of Matter and Evolution of Galaxies (OMEG07), ed. by T. Suda et al.

4. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Neutrino Emission from Stellar Core Collapse and Black Hole Formation''

Proceedings of The 16th Workshop on General Relativity and Gravitation (JGRG16), pp.82-85, ed. by K. Oohara, T. Shiromizu, K. Maeda and M. Sasaki, 2007.

3. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational Collapse and Neutrino Emission of Population III Massive Stars''

Proceedings of Relativistic Astrophysics and Cosmology - Einstein's Legacy, pp.394-398, ed. by B. Aschenbach, V. Barwitz, G. Hasinger and B. Leibundgut, Springer-Verlag, 2007.

2. Kenta Kiuchi, Ken'ichiro Nakazato, Kei Kotake, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational wave from slightly nonspherical stellar collapse including neutrino effect: Oddparity perturbation''

Proceedings of Relativistic Astrophysics and Cosmology - Einstein's Legacy, pp.79-81, ed. by B. Aschenbach, V. Barwitz, G. Hasinger and B. Leibundgut, Springer-Verlag, 2007.

1. Kenta Kiuchi, Ken'ichiro Nakazato, Kei Kotake, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational wave from realitsic stellar collapse: Odd parity perturbation''

Proceedings of The 15th Workshop on General Relativity and Gravitation (JGRG15), pp.175-178, ed. by T. Shiromizu, H. Yoshino, A. Hosoya, T. Nakamura and M. Sasaki, 2006.

Theses:

2. Ken'ichiro Nakazato;

``Gravitational Collapse and Neutrino Emission of Massive Stars''

Ph.D. thesis (Waseda University), July 2008

1. Ken'ichiro Nakazato;

``Numerical Study on Stellar Core Collapse and Neutrino Emission''

Master thesis (Waseda University), February 2006

Presentations in International Conferences: (as a presenter)

43. Ken'ichiro Nakazato;

``Burst and Cosmic Background Neutrinos from Core-Collapse Supernovae'' (talk)

Unraveling the History of the Universe and Matter Evolution with Underground Physics (UGAP2024), Sendai, Japan, Mar. 4- 6, 2024.

42. Ken'ichiro Nakazato;

``Long term behavior of supernova neutrino light curves'' (invited)

Workshop on Neutrino Interaction Measurements for Supernova Neutrino Detection, Oak Ridge, U.S., Mar. 6- 8, 2023.

41. Ken'ichiro Nakazato;

``Long term behavior of supernova neutrino light curves'' (invited)

Probe into core-collapse SuperNovae via Gravitational-Wave and neutrino signals (SNeGWv2021), Online, Dec. 1- 2, 2021.

40. Ken'ichiro Nakazato;

``Mass and radius of neutron stars and supernova neutrinos'' (talk)

Multi-dimensional Modeling and Multi-Messenger observation from Core-Collapse Supernovae (4M-COCOS), Fukuoka, Japan, Oct. 21- 24, 2019.

39. Ken'ichiro Nakazato, and Hideyuki Suzuki;

``Supernova neutrinos in the proto-neutron star cooling phase and nuclear matter'' (talk)

16th International Conference on Topics in Astroparticle and Underground Physics: TAUP2019, Toyama, Japan, Sep. 9- 13, 2019.

38. Ken'ichiro Nakazato;

``Astrophysical implications of the nuclear symmetry energy'' (invited)

8th international symposium on nuclear symmetry energy (NuSYM18), Busan, Republic of Korea, Sep. 10- 13, 2018.

37. Ken'ichiro Nakazato;

``Neutrinos from Proto-neutron Star Cooling and Nuclear Equation of State: Effects of Coherent Elastic Scattering'' (talk)

Physics of Core-Collapse Supernovae and Compact Star Formations, Tokyo, Japan, Mar. 19- 21, 2018.

36. Ken'ichiro Nakazato;

``Neutrino Observation of Core Collapse Supernovae'' (poster)

Quarks and Compact Stars 2017, Kyoto, Japan, Feb. 20- 22, 2017.

35. Ken'ichiro Nakazato;

``Inhomogeneous nuclear matter in compact stars'' (talk)

International Symposium on Neutron Star Matter (NSMAT2016) -Recent Progress in Observations, Experiments and Theories-, Sendai, Japan, Nov. 21- 23, 2016.

34. Ken'ichiro Nakazato, Eri Mochida, Yuu Niino, and Hideyuki Suzuki;

``Detectability and Uncertainties of the Supernova Relic Neutrino Background'' (talk)

14th Symposium on Nuclei in the Cosmos, Niigata, Japan, June 19- 24, 2016.

33. Ken'ichiro Nakazato;

``Theoretical study of supernova relic neutrinos'' (invited)

Revealing the history of the universe with underground particle and nuclear research 2016, Tokyo, Japan, May 11- 13, 2016.

32. Ken'ichiro Nakazato;

``Spectrum of the Supernova Relic Neutrino Background'' (invited)

Numazu Workshop 2015: Challenges of modeling supernovae with nuclear data, Mishima, Japan, Sep. 1- 4, 2015.

31. Ken'ichiro Nakazato;

``Astrophysical Implications of the Symmetry Energy'' (invited)

Workshop on Science with SpiRIT TPC, Wako, Japan, June 5- 6, 2015.

30. Ken'ichiro Nakazato;

``Supernova Explosion and Black Hole Formation with QCD phase transition'' (invited)

Quarks and Compact Stars, Beijing, China, Oct. 20- 22, 2014.

29. Ken'ichiro Nakazato;

``Stellar core collapse with QCD phase transition'' (invited)

Compact Stars in the QCD Phase diagram IV, Prerow, Germany, Sep. 26- 29, 2014.

28. Ken'ichiro Nakazato;

``Supernova neutrinos and their implications for supernova physics'' (invited)

Multi-Messengers from Core-Collapse Supernovae (MMCOCOS), Fukuoka, Japan, Dec. 2- 6, 2013.

27. Ken'ichiro Nakazato;

``Supernova Explosion and Black Hole Formation with Hadron-Quark Phase Transition'' (poster)

Origin of Matter and Evolution of Galaxies (OMEG12), Tsukuba, Japan, Nov. 18- 22, 2013.

26. Ken'ichiro Nakazato;

``Supernova Neutrino Database'' (poster)

NNN13: International Workshop on Next generation Nucleon Decay and Neutrino Detectors, Kashiwa, Japan, Nov. 11- 13, 2013.

25. Ken'ichiro Nakazato;

``Neutrino emission from stellar core collapse with exotic matter'' (invited)

Workshop on Collapsing Objects, Shanghai, China, Oct. 21- 24, 2013.

24. Ken'ichiro Nakazato;

``Stellar Core Collapse and Exotic Matter'' (invited)

Symposium: `Quarks to Universe in Computational Science (QUCS 2012)', Nara, Japan, Dec. 13- 16, 2012.

23. Ken'ichiro Nakazato, Tomonori Totani, and Hideyuki Suzuki;

``The long term variation of supernova neutrino spectra'' (poster)

The XXV International Conference on Neutrino Physics and Astrophysics (NEUTRINO 2012), Kyoto, Japan, June 3- 9, 2012.

22. Ken'ichiro Nakazato, and Kohsuke Sumiyoshi;

``Stellar Core Collapse and Exotic Matter'' (poster)

IAU Symposium 279 ``Death of Massive Stars: Supernovae and Gamma-Ray Bursts'', Nikko, Japan, Mar. 12- 16, 2012.

21. Ken'ichiro Nakazato;

``Black Hole Formation and Equation of State at Supranuclear Densities'' (talk)

Formations of Compact Objects: from the cradle to the grave, Tokyo, Japan, Mar. 7- 9, 2012.

20. Ken'ichiro Nakazato, and Kohsuke Sumiyoshi;

``The influence of hyperon potential on the black-hole-forming failed supernovae'' (poster)

Origin of Matter and Evolution of Galaxies (OMEG11), Saitama, Japan, Nov. 14- 17, 2011.

19. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Quarks in Failed Supernovae'' (poster)

International Symposium ``From Quarks to Supernovae'', Shizuoka, Japan, Nov. 28- 30, 2010.

18. Ken'ichiro Nakazato, and Kazuhiro Oyamatsu;

``Pasta Phase with Gyroid Morphology at Subnuclear Densities'' (poster)

11th Symposium on Nuclei in the Cosmos, Heidelberg, Germany, July 19- 23, 2010.

17. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, and Shoichi Yamada;

``Neutrino Astronomy as a Probe into Physics of Hot and Dense Matter'' (poster)

Origin of Matter and Evolution of Galaxies (OMEG10), Osaka, Japan, Mar. 8- 10, 2010.

16. Ken'ichiro Nakazato;

``Nuclear shapes at subnuclear densities: analogy with polymer system'' (talk)

GCOE Symposium: Symmetry Breaking and Quantum Phenomena, Kyoto, Japan, Feb. 15- 17, 2010.

15. Ken'ichiro Nakazato;

``Exploring Hadron Physics in Black Hole Formations: a New Promising Target of Neutrino Astronomy'' (talk)

Seminar talk at ``New Frontiers in QCD 2010'', Kyoto, Japan, Jan. 29, 2010.

14. Ken'ichiro Nakazato, Kazuhiro Oyamatsu, and Shoichi Yamada;

``Gyroid Phase in Nuclear Pasta'' (talk)

Mini Symposium on Nuclear Astrophysics at ``New Frontiers in QCD 2010'', Kyoto, Japan, Jan. 26, 2010.

13. Ken'ichiro Nakazato, Kazuhiro Oyamatsu, and Shoichi Yamada;

``Pasta Phase with Gyroid Morphology at Subnuclear Densities'' (poster)

Tours Symposium on Nuclear Physics and Astrophysics VII, Kobe, Japan, Nov. 16- 20, 2009.

12. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, and Shoichi Yamada;

``Neutrino Astronomy as a Probe into Physics of Hot and Dense Matter'' (talk)

Tours Symposium on Nuclear Physics and Astrophysics VII, Kobe, Japan, Nov. 16- 20, 2009.

11. Ken'ichiro Nakazato, Kazuhiro Oyamatsu, and Shoichi Yamada;

``Gyroid Phase in Nuclear Pasta'' (talk)

Microphysics in Computational Relativistic Astrophysics: MICRA 2009, Copenhagen, Denmark, Aug. 24- 28, 2009.

10. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, and Shoichi Yamada;

``Exploring Hadron Physics in Black Hole Formations: a New Promising Target of Neutrino Astronomy'' (talk)

Microphysics in Computational Relativistic Astrophysics: MICRA 2009, Copenhagen, Denmark, Aug. 24- 28, 2009.

9. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Hideyuki Suzuki, and Shoichi Yamada;

``Oscillation and Future Detection of Failed Supernova Neutrinos from Black Hole Forming Collapse'' (poster)

The 7th RESCEU Symposium on Astroparticle Physics and Cosmology, Tokyo, Japan, Nov. 11- 14, 2008.

8. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Neutrino Emission from Stellar Collapse including Hadron-Quark Mixed Phase'' (poster)

10th Symposium on Nuclei in the Cosmos, Michigan, U.S., July 27- Aug. 1, 2008.

7. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Equation of State for Hadron-Quark Mixed Phase and Stellar Collapse'' (talk)

14th Workshop on ``Nuclear Astrophysics'', Tegernsee, Germany, Mar. 10- 15, 2008.

6. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Equation of State for Hadron-Quark Mixed Phase and Stellar Collapse'' (poster)

YITP International Symposium: Fundamental Problems in Hot and/or Dense QCD, Kyoto, Japan, Mar. 3- 6, 2008.

5. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Equation of State for Hadron-Quark Mixed Phase and Stellar Collapse'' (talk)

Origin of Matter and Evolution of Galaxies (OMEG07), Sapporo, Japan, Dec. 4- 7, 2007.

4. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Neutrino Emission from Stellar Core Collapse and Black Hole Formation'' (poster)

Twenty years after Supernova 1987A, Hawaii, U.S., Feb. 23- 25, 2007.

3. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Neutrino Emission from Stellar Core Collapse and Black Hole Formation'' (talk)

The 16th Workshop on General Relativity and Gravitation (JGRG16), Niigata, Japan, Nov. 27- Dec. 1, 2006.

2. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational Collapse and Neutrino Emission of Population III Massive Stars'' (talk)

Relativistic Astrophysics and Cosmology - Einstein's Legacy, Munich, Germany, Nov. 7- 11, 2005.

1. Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational Collapse and Neutrino Emission of Population III Massive Stars'' (poster)

The Third 21COE Symposium: Astrophysics as Interdisciplinary Science, Tokyo, Japan, Sep. 1- 3, 2005.

Presentations in International Conferences: (NOT as a presenter)

24. Fumi Nakanishi, Akira Harada, Masayuki Harada, Yusuke Koshio, Masamitsu Mori, Ken'ichiro Nakazato, Kohsuke Sumiyoshi, Yudai Suwa, and Roger A. Wendell;

``Development of analysis method for late-phase neutrino emission from the supernova in Super-Kamiokande'' (talk)

XVIII International Conference on Topics in Astroparticle and Underground Physics 2023 (TAUP2023), Vienna, Austria, Aug. 28- Sep. 1, 2023.

23. Yosuke Ashida, Ken'ichiro Nakazato, and Takuji Tsujimoto;

``Diffuse supernova neutrino background as a probe to explore the fate of stellar core collapse'' (talk)

38th International Cosmic Ray Conference (ICRC2023), Nagoya, Japan, Jul. 26- Aug. 3, 2023.

22. Yudai Suwa, Ken'ichiro Nakazato, Masamitsu Mori, Kohsuke Sumiyoshi, Yusuke Koshio, and Roger Wendell;

``Observing Supernova Neutrino Light Curves with Super-Kamiokande: Expected Event Number over Ten Seconds'' (talk)

16th International Conference on Topics in Astroparticle and Underground Physics: TAUP2019, Toyama, Japan, Sep. 9- 13, 2019.

21. T. Suzuki, S. Chiba, T. Yoshida, K. Takahashi, H. Umeda, K. Nakazato, and M. Sakuda;

``Neutrino-nucleus reactions on oxygen and neon for nucleosynthesis and supernova neutrino detection'' (talk)

27th International Nuclear Physics Conference (INPC 2019), Glasgow, U.K., July 29- Aug. 2, 2019.

20. A. Dohi, M. Hashimoto, M. Matsuo, K. Nakazato, and T. Noda;

``Dependence of neutron star cooling on the equation of statewith a possible exotic particle'' (poster)

Origin of Matter and Evolution of Galaxies (OMEG15), Kyoto, Japan, July 2- 5, 2019.

19. M. Sakuda, M. Reen, T. Sudo, A. Tamii, K. Nakazato, T. Suzuki, and H. Suzuki;

``Estimation of γ rays from neutral-current neutrino-carbon and -oxygen inelastic reactions from supernova neutrinos'' (talk)

Origin of Matter and Evolution of Galaxies (OMEG15), Kyoto, Japan, July 2- 5, 2019.

18. T. Suzuki, S. Chiba, K. Nakazato, M. Sakuda, T. Yoshida, K. Takahashi, and H. Umeda;

``Neutrino-induced Reactions on ¹⁶O: Supernova Neutrino Detection and Nucleosynthesis of Light Elements'' (talk)

Fifth Joint Meeting of the Nuclear Physics Divisions of the American Physical Society and The Physical Society of Japan, Hawaii, U.S., Oct. 23- 27, 2018.

17. Hajime Togashi, Ken'ichiro Nakazato, Yuta Takehara, Sachiko Yamamuro, Hideyuki Suzuki, and Masatoshi Takano;

``Nuclear equation of state for core-collapse supernovae with realistic nuclear forces'' (talk)

Quarks and Compact Stars 2017, Kyoto, Japan, Feb. 20- 22, 2017.

16. Hajime Togashi, Yuta Takehara, Sachiko Yamamuro, Ken'ichiro Nakazato, Hideyuki Suzuki, Kohsuke Sumiyoshi, and Masatoshi Takano;

``Variational study of the supernova equation of state with realistic nuclear forces'' (talk)

Fourth Joint Meeting of the Nuclear Physics Divisions of the American Physical Society and The Physical Society of Japan, Hawaii, U.S., Oct. 7- 11, 2014.

15. H. Togashi, Y. Takehara, S. Yamamuro, K. Nakazato, H. Suzuki, K. Sumiyoshi, and M. Takano;

``Nuclear equation of state for core-collapse supernovae with realistic nuclear forces'' (poster)

13th Symposium on Nuclei in the Cosmos, Debrecen, Hungary, July 7- 11, 2014.

14. Chikako Ishizuka, Ken'ichiro Nakazato, and Akira Ohnishi;

``How do neutron star radii depend on their core-crust EoS?'' (poster)

13th Symposium on Nuclei in the Cosmos, Debrecen, Hungary, July 7- 11, 2014.

13. H. Togashi, Y. Takehara, S. Yamamuro, K. Nakazato, H. Suzuki, K. Sumiyoshi, and M. Takano;

``Equation of state for nuclear matter in core-collapse supernovae by the variational method'' (talk)

3rd International Workshop on ``State of the Art in Nuclear Cluster Physics'' (SOTANCP3), Yokohama, Japan, May 26- 30, 2014.

12. Tsuyoshi Miyatsu, Sachiko Yamamuro, Ken'ichiro Nakazato, and Myung-Ki Cheoun;

``Complete equation of state for neutron stars using the relativistic Hartree-Fock approximation'' (poster)

Origin of Matter and Evolution of Galaxies (OMEG12), Tsukuba, Japan, Nov. 18- 22, 2013.

11. Hajime Togashi, Masatoshi Takano, Kohsuke Sumiyoshi, and Ken'ichiro Nakazato;

``Nuclear EoS with the variational method and its application to supernova simulations'' (talk)

Workshop on Hadron Nuclear Physics (HNP2013), Zhangjiajie, China, July 18- 22, 2013.

10. H. Togashi, S. Yamamuro, K. Nakazato, M. Takano, H. Suzuki, and K. Sumiyoshi;

``New Nuclear Equation of State for Core-Collapse Supernovae with the Variational Method'' (poster)

25th International Nuclear Physics Conference (INPC2013), Firenze, Italy, July 2- 7, 2013.

9. Masatoshi Takano, Hajime Togashi, Sachiko Yamamuro, Ken'ichiro Nakazato, and Hideyuki Suzuki;

``Variational Method for Nuclear Matter with an Explicit Energy Functional'' (poster)

12th Symposium on Nuclei in the Cosmos, Cairns, Australia, Aug. 5- 10, 2012.

8. Hajime Sotani, Ken'ichiro Nakazato, Kei Iida, and Kazuhiro Oyamatsu;

``Constraints on the nuclear symmetry energy via asteroseismology'' (talk)

15th Conference on Recent Developments in Gravity (NEB 15), Chania, Greece, June 20- 23, 2012.

7. H. Suzuki, H. Kikuchi, M. Kuno, K. Nakazato, K. Sumiyoshi, and S. Yamada;

``Systematic study of supernova neutrino oscillation using outputs of supernova simulations'' (poster)

The XXV International Conference on Neutrino Physics and Astrophysics (NEUTRINO 2012), Kyoto, Japan, June 3- 9, 2012.

6. Hideto Kikuchi, Hideyuki Suzuki, Ken'ichiro Nakazato, Shoichi Yamada, and Kohsuke Sumiyoshi;

``Systematic long term simulations of spherical supernova explosions and their applications'' (poster)

Origin of Matter and Evolution of Galaxies (OMEG11), Saitama, Japan, Nov. 14- 17, 2011.

5. M. Takano, H. Togashi, S. Yamamuro, K. Nakazato, and H. Suzuki;

``Cluster Variational Method for Nuclear Matter with the Three-Body Force'' (poster)

Origin of Matter and Evolution of Galaxies (OMEG11), Saitama, Japan, Nov. 14- 17, 2011.

4. K. Sumiyoshi, K. Nakazato, S. Yamada, and H. Suzuki;

``Neutrino bursts from failed supernovae as a promising target of neutrino astronomy'' (poster)

11th Symposium on Nuclei in the Cosmos, Heidelberg, Germany, July 19- 23, 2010.

3. K. Sumiyoshi, K. Nakazato, C. Ishizuka, A. Ohnishi, S. Yamada, and H. Suzuki;

``Emergence of hyperons in failed supernovae with short neutrino bursts'' (talk)

10th International Conference on Hypernuclear and Strange Particle ``Hyp X'', Ibaraki, Japan, Sep. 14- 18, 2009.

2. Kenta Kiuchi, Ken'ichiro Nakazato, Kotake, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational wave from realitsic stellar collapse: Odd parity perturbation'' (talk)

The 15th Workshop on General Relativity and Gravitation (JGRG15), Tokyo, Japan, Nov. 28- Dec. 2, 2005.

1. Kenta Kiuchi, Ken'ichiro Nakazato, Kei Kotake, Kohsuke Sumiyoshi, and Shoichi Yamada;

``Gravitational wave from slightly nonspherical stellar collapse including neutrino effect: Oddparity perturbation'' (poster)

Relativistic Astrophysics and Cosmology - Einstein's Legacy, Munich, Germany, Nov. 7- 11, 2005.

Seminar Talks:

5. Ken'ichiro Nakazato

``Supernova Neutrino Database and Spectrum of the Supernova Relic Neutrino Background''

at Kamioka Observatory in The University of Tokyo, Kamioka, Japan, Jan. 30, 2014.

4. Ken'ichiro Nakazato

``Exploring Hadron Physics in Black Hole Formations: a New Promising Target of Neutrino Astronomy''

at Theory Center in High Energy Accelerator Research Organization (KEK), Tsukuba, Japan, May 31, 2011.

3. Ken'ichiro Nakazato

``Exploring Hadron Physics in Black Hole Formations: a New Promising Target of Neutrino Astronomy''

at IPMU in The University of Tokyo, Kashiwa, Japan, Jan. 14, 2010.

2. Ken'ichiro Nakazato

``Gyroid Phase in Nuclear Pasta''

at Theoretical Nuclear Physics Laboratory in RIKEN, Wako, Japan, Nov. 25, 2009.

1. Ken'ichiro Nakazato

``Gravitational Collapse and Neutrino Emission of Population III Massive Stars''

at Stellar Hydrodynamics Grope in Max-Planck Institute for Astrophysics, Garching, Germany, Nov. 14, 2005.

Professional Activities:

Referee for The Astrophysical Journal

Referee for Physical Review Letters

Referee for Physical Review D

Referee for Progress of Theoretical and Experimental Physics

Referee for Proceedings of the Japan Academy, Series B (Physical and Biological Sciences)

Member of Astronomical Society of Japan

Member of Physical Society of Japan