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Neutron Stars. II. Neutrino-Cooling and Observability

Bahcall, John N. and Wolf, Richard A. (1965) Neutron Stars. II. Neutrino-Cooling and Observability. Physical Review, 140 (5B). B1452-B1466. ISSN 0031-899X. http://resolver.caltech.edu/CaltechAUTHORS:BAHpr65b

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Abstract

Calculations of the rates of the cooling reactions n+n→n+p+e-+νe and n+π-→n+e-+νe are presented; the rates of the closely related muon-producing reactions and the four inverse processes are also given. Several different arguments are used to obtain estimates of the relavant matrix elements. The nucleons are assumed to form a normal Fermi fluid with a continuous excitation spectrum. The calculated cooling rates indicate that a neutron star containing quasifree pions would cool within a few days to a temperature so low that the star would be unobservable. The surface of a star that does not contain quasifree pions would cool to 107 °K in a few months and would reach 4×10^6 °K in about 100 years. The calculated cooling rates strongly indicate that the discrete x-ray sources located in the direction of the galactic center are not neutron stars.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRev.140.B1452DOIUNSPECIFIED
http://link.aps.org/abstract/PR/v140/pB1452PublisherUNSPECIFIED
Additional Information:© 1965 The American Physical Society. Received 19 July 1965. We are grateful to Dr. A.G.W. Cameron and Dr. S. Tsuruta, and to Dr. R. Giacconi and Dr. H. Gursky for informing us of their work prior to publication. Supported in part by the Office of Naval Research Nonr-220(47) and the National Aeronautics and Space Administration NGR-05-002-028. [R.A.W. was a] National Science Foundation Predoctoral Fellow in Physics
Funders:
Funding AgencyGrant Number
Office of Naval ResearchNonr-220(47)
NASANGR-05-002-028
National Science FoundationUNSPECIFIED
Issue or Number:5B
Record Number:CaltechAUTHORS:BAHpr65b
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:BAHpr65b
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:11906
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:09 Oct 2008 18:30
Last Modified:26 Dec 2012 10:23

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