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Capture of solar and higher-energy neutrinos by 127I

Engel, J. and Pittel, S. and Vogel, P. (1994) Capture of solar and higher-energy neutrinos by 127I. Physical Review C, 50 (3). pp. 1702-1708. ISSN 0556-2813. http://resolver.caltech.edu/CaltechAUTHORS:ENGprc94

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Abstract

We discuss and improve a recent treatment of the absorption of solar neutrinos by 127I, in connection with a proposed solar neutrino detector. With standard-solar-model fluxes and an in-medium value of -1.0 for the axial-vector coupling constant gA, we obtain a 8neutrino cross section of 3.3×10^-42, about 50% larger than in our previous work, and a 7Be cross section that is less certain but nevertheless also larger than before. We then apply the improved techniques to higher incoming energies that obtain at the LAMPF beam dump, where an experiment is underway to finalize a calibraiton of the 127I with electron neutrinos from muon decay. We find that forbidden operators, which play no role in solar-neutrino absorption, contribute nonnegligibly to the LAMPF cross section, and that the preliminary LAMPF mean value is significantly larger than our prediction.


Item Type:Article
Additional Information:©1994 The American Physical Society Received 17 February 1994 We wish to acknowledge useful conversations with W.C. Haxton and K. Lande. This work was supported by the U.S. Department of Energy under grants DE-FG05-94ER40827 and DE-FG03-88ER40397 and by the National Science Foundation under grants PHY-9108011 and PHY-9303041.
Record Number:CaltechAUTHORS:ENGprc94
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ENGprc94
Alternative URL:http://dx.doi.org/10.1103/PhysRevC.50.1702
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2675
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:16 Apr 2006
Last Modified:26 Dec 2012 08:50

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