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Title: Constraining the leading weak axial two-body current by SNO and Super-K

Abstract

We analyze the Sudbury Neutrino Observatory (SNO) and Super-Kamiokande (SK) data on charged current (CC), neutral current (NC) and neutrino electron elastic scattering (ES) reactions to constrain the leading weak axial two-body current parameterized by L{sub 1A}. This two-body current is the dominant uncertainty of every low energy weak interaction deuteron breakup process, including SNO's CC and NC reactions. Our method shows that the theoretical inputs to SNO's determination of the CC and NC fluxes can be self-calibrated, be calibrated by SK, or be calibrated by reactor data. The only assumption made is that the total flux of active neutrinos has the standard {sup 8}B spectral shape (but distortions in the electron neutrino spectrum are allowed). We show that SNO's conclusion about the inconsistency of the no-flavor-conversion hypothesis does not contain significant theoretical uncertainty, and we determine the magnitude of the active solar neutrino flux.

Authors:
; ;
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Director. Office of Science. Office of High Energy and Nuclear Physics. Division of Nuclear Physics. Grants DOE/ER/40762-213 and DE-FG03-97ER41020 (US)
OSTI Identifier:
832949
Report Number(s):
LBNL-52174
R&D Project: PNROPS; TRN: US0405702
DOE Contract Number:  
AC03-76SF00098
Resource Type:
Journal Article
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 6702; Journal Issue: 2; Other Information: Journal Publication Date: 02/2003; PBD: 24 Oct 2002
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; CHARGED CURRENTS; DEUTERONS; ELASTIC SCATTERING; ELECTRON NEUTRINOS; ELECTRONS; HYPOTHESIS; NEUTRAL CURRENTS; NEUTRINOS; SHAPE; SOLAR NEUTRINOS; SUDBURY NEUTRINO OBSERVATORY; WEAK INTERACTIONS; WEAK AXIAL TWO-BODY CURRENT L1A SOLAR NEUTRINO DATA SNO SK

Citation Formats

Chen, Jiunn-Wei, Heeger, Karsten M, and Robertson, R.G. Hamish. Constraining the leading weak axial two-body current by SNO and Super-K. United States: N. p., 2002. Web.
Chen, Jiunn-Wei, Heeger, Karsten M, & Robertson, R.G. Hamish. Constraining the leading weak axial two-body current by SNO and Super-K. United States.
Chen, Jiunn-Wei, Heeger, Karsten M, and Robertson, R.G. Hamish. 2002. "Constraining the leading weak axial two-body current by SNO and Super-K". United States. https://www.osti.gov/servlets/purl/832949.
@article{osti_832949,
title = {Constraining the leading weak axial two-body current by SNO and Super-K},
author = {Chen, Jiunn-Wei and Heeger, Karsten M and Robertson, R.G. Hamish},
abstractNote = {We analyze the Sudbury Neutrino Observatory (SNO) and Super-Kamiokande (SK) data on charged current (CC), neutral current (NC) and neutrino electron elastic scattering (ES) reactions to constrain the leading weak axial two-body current parameterized by L{sub 1A}. This two-body current is the dominant uncertainty of every low energy weak interaction deuteron breakup process, including SNO's CC and NC reactions. Our method shows that the theoretical inputs to SNO's determination of the CC and NC fluxes can be self-calibrated, be calibrated by SK, or be calibrated by reactor data. The only assumption made is that the total flux of active neutrinos has the standard {sup 8}B spectral shape (but distortions in the electron neutrino spectrum are allowed). We show that SNO's conclusion about the inconsistency of the no-flavor-conversion hypothesis does not contain significant theoretical uncertainty, and we determine the magnitude of the active solar neutrino flux.},
doi = {},
url = {https://www.osti.gov/biblio/832949}, journal = {Physical Review C},
number = 2,
volume = 6702,
place = {United States},
year = {Thu Oct 24 00:00:00 EDT 2002},
month = {Thu Oct 24 00:00:00 EDT 2002}
}