Bulletin of the American Physical Society
2005 2nd Joint Meeting of the Nuclear Physics Divisions of the APS and The Physical Society of Japan
Sunday–Thursday, September 18–22, 2005; Maui, Hawaii
Session 5S: Hans Bethe, Nuclear Scientist |
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Sponsoring Units: DNP JPS Chair: J.P. Schiffer, Argonne National Laboratory Room: Ritz-Carlton Hotel Ritz-Carlton Ballroom |
Sunday, September 18, 2005 8:30PM - 9:00PM |
5S.00001: Evolution and Merging of Binaries with Compact Objects Invited Speaker: We find that when accretion is included in the standard scenario for binary neutron stars, the first-born neutron star always goes into a black hole in the common envelope evolution whuich is one stage in the standard scenario for binary evolution, We consequently have to invent a new scenario for binary neutron star evolution, which involves them burning helium at the same time, so that they go through common envelope evolution at that stage. Consequences of our work are: 1) LIGO should see the order of 20 times more black hole, neutron-star mergings than those of binary neutron stars. 2) The two neutron stars in a binary should be very close, less than 4 percent, difference in mass. [Preview Abstract] |
Sunday, September 18, 2005 9:00PM - 9:30PM |
5S.00002: Recollections from my collaboration with Hans Bethe Invited Speaker: Hans Bethe visited H. Yukawa at the Yukawa Institute of Kyoto University in 1969 for a period of about six months. During his stay he met with the group of Prof. Hayashi, the leading nuclear astrophysicist in Japan. Many graduate students, including myself, as well as other young astrophysicists were inspired by the discussions with Bethe. I was fortunate to have had an opportunity to collaborate with Bethe on the subject of ``nuclei in neutron star matter.'' In this talk, I shall speak about my memories of Bethe during this period. Although it was for but a short time, the research which was initiated in the collaboration with Hans Bethe developed into a full program involving neutron stars, supernovae, and neutrino astrophysics. [Preview Abstract] |
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