Measurement of {nu}-bar{sub e}-e scattering cross section with CsI(Tl) detector array and the Beyond Standard Model constraints

Journal Article · Wed Nov 23 00:00:00 EST 2011 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3661609· OSTI ID:21612293

Singh, V; Singh, L; Singh, M K ^[1]; Soma, A K ^[2]; Wong, H T ^[2]

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1. Department of Physics, Banaras Hindu University, Varanasi 221005 (India)
2. Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan (China)

A search of {nu}-bar{sub e}-e scattering cross section was carried out at the Kuo-Sheng nuclear power station. Based on 29882 and 7369 kg-days of reactor ON/OFF data, respectively, at an average reactor ON {nu}-bar{sub e} flux of 6.4x10{sup 12} cm{sup -2} s{sup -1}, the standard model (SM) electroweak interaction was probed at the squared 4-momentum transfer range of Q{sup 2}{approx}3x10{sup -6} GeV{sup 2}. The ratio of experimental to SM cross section was measured [1.08{+-}0.21(stat){+-}0.16(sys)]. We placed the constraints on the electroweak parameters (g{sub V},g{sub A}), corresponding to a weak mixing angle measurement of sin{sup 2}{theta}{sub W} = 0.251{+-}0.031(stat){+-}0.024(sys). A Point Contact Germanium Detector (PCGe) of mass 1 kg has been installed at a new underground laboratory 'China Jin-Ping Laboratory (CJPL)' in China.

• OSTI ID: 21612293
• Journal Information: AIP Conference Proceedings, Vol. 1405, Issue 1; Conference: NUINT11: 7. international workshop on neutrino-nucleus interactions in the few GeV regions, Dehradun (India), 7-11 Mar 2011; Other Information: DOI: 10.1063/1.3661609; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

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