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Record 23 of 62
Direct URCA process in neutron stars
External Online Source: doi:10.1103/PhysRevLett.66.2701
Author and Affiliation:
Lattimer, James M.(State Univ. of New York, Stony Brook, NY, United States)
Prakash, Madappa(New York, State University, Stony Brook, United States)
Pethick, C. J.(NORDITA, Copenhagen, Denmark, Illinois, University)
Haensel, Pawel(Polska Akademia Nauk, Centrum Astronomiczne, Warsaw, Poland)
Abstract: It is shown that the direct URCA process can occur in neutron stars if the proton concentration exceeds some critical value in the range 11-15 percent. The proton concentration, which is determined by the poorly known symmetry energy of matter above nuclear density, exceeds the critical value in many current calculations. If it occurs, the direct URCA process enhances neutrino emission and neutron star cooling rates by a large factor compared to any process considered previously.
Publication Date: May 27, 1991
Document ID:
(Acquired Nov 28, 1995)
Accession Number: 91A38916
Subject Category: ASTROPHYSICS
Document Type: Journal Article
Publication Information: Physical Review Letters (ISSN 0031-9007); 66; 2701-270
Publisher Information: United States
Contract/Grant/Task Num: DE-FG02-87ER-40317; DE-FG02-88ER-40388; NASW-1583; NSF PHY-86-00377
Financial Sponsor: NASA; United States
Organization Source: State Univ. of New York; Stony Brook, NY, United States
Nordisk Inst. for Teoretisk Atomfysik; Copenhagen, Denmark
Illinois Univ.; Urbana, IL, United States
Nicolaus Copernicus Univ.; Torun, Poland
Description: 4p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
Imprint And Other Notes: Physical Review Letters (ISSN 0031-9007), vol. 66, May 27, 1991, p. 2701-2704.
Availability Source: Other Sources
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