Phys. Rev. D 59, 077302 (1999) [4 pages]Addendum to “Finite-size effects on multibody neutrino exchange”Received 23 October 1998; published 5 March 1999 The interaction energy of the neutrons due to massless neutrino exchange in a neutron star has recently been proved, using an effective theory, to be extremely small and infrared safe. Our comment here is of conceptual order: two approaches to compute the total interaction energy density have recently been proposed. Here, we study the connection between these two approaches. From CP invariance, we argue that the resulting interaction energy has to be even in the parameter b=-GFnn/√2, which expresses the static neutrino potential created by a neutron medium of density nn. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.59.077302
DOI:
10.1103/PhysRevD.59.077302
PACS:
13.15.+g, 14.60.Pq, 97.60.Jd
See AlsoAddendum: A. Abada, O. Pène, and J. Rodríguez-Quintero, Finite-size effects on multibody neutrino exchange, Phys. Rev. D 58, 073001 (1998). |
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