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Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II

文献类型:期刊论文

AuthorAgarwalla, S. K.; Agostini, M.; Altenmueller, K.; Appel, S.; Atroshchenko, V.; Bagdasarian, Z.; Basilico, D.; Bellini, G.; Benziger, J.; Bick, D.
SourceJOURNAL OF HIGH ENERGY PHYSICS
Issued Date2020
Issue2Pages:38
KeywordRADIATIVE-CORRECTIONS SOLAR NEUTRINOS ELECTRON-SCATTERING MASSLESS NEUTRINOS MATTER OSCILLATIONS PARAMETERS STANDARD MODELS
ISSN1029-8479
DOI10.1007/JHEP02(2020)038
English AbstractThe Borexino detector measures solar neutrino fluxes via neutrino-electron elastic scattering. Observed spectra are determined by the solar-nu(e) survival probability P-ee(E), and the chiral couplings of the neutrino and electron. Some theories of physics beyond the Standard Model postulate the existence of Non-Standard Interactions (NSI's) which modify the chiral couplings and P-ee(E). In this paper, we search for such NSI's, in particular, flavor-diagonal neutral current interactions that modify the nu(e)e and nu(tau)e couplings using Borexino Phase II data. Standard Solar Model predictions of the solar neutrino fluxes for both high- and low-metallicity assumptions are considered. No indication of new physics is found at the level of sensitivity of the detector and constraints on the parameters of the NSI's are placed. In addition, with the same dataset the value of sin(2)theta(W) is obtained with a precision comparable to that achieved in reactor antineutrino experiments .
SubjectPhysics
Language英语
源URL[http://ir.itp.ac.cn/handle/311006/26949]  
Collection理论物理研究所_理论物理所1978-2010年知识产出
Affiliation1.Ding, X. F.; Marcocci, S.] Gran Sasso Sci Inst, I-67100 Laquila, Italy
2.Sun, C.] Brown Univ, Dept Phys, Providence, RI 02912 USA
3.Sun, C.] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.Pocar, A.] Univ Massachusetts, Dept Phys, Amherst, MA 01003 USA
5.Pocar, A.] Univ Massachusetts, Amherst Ctr Fundamental Interact, Amherst, MA 01003 USA
6.Ortica, F.; Romani, A.] INFN, I-06123 Perugia, Italy
7.Ortica, F.; Romani, A.] Univ Perugia, Dipartimento Chim Biol & Biotecnol, I-06123 Perugia, Italy
8.Guffanti, D.; Martyn, J.; Nieslony, M.; Orekhov, V.] Johannes Gutenberg Univ Mainz, Excellence Cluster PRISMA, D-55099 Mainz, Germany; Tech Univ Dresden, Dept Phys, D-01062 Dresden, Germany
9.Guffanti, D.; Martyn, J.; Nieslony, M.; Orekhov, V.] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany
10.Litvinovich, E.; Machulin, I.; Skorokhvatov, M.] Moscow Engn Phys Inst, Natl Res Nucl Univ, Moscow 115409, Russia
Recommended Citation
GB/T 7714
Agarwalla, S. K.,Agostini, M.,Altenmueller, K.,et al. Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II[J]. JOURNAL OF HIGH ENERGY PHYSICS,2020(2):38.
APA Agarwalla, S. K..,Agostini, M..,Altenmueller, K..,Appel, S..,Atroshchenko, V..,...&Zuzel, G..(2020).Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II.JOURNAL OF HIGH ENERGY PHYSICS(2),38.
MLA Agarwalla, S. K.,et al."Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II".JOURNAL OF HIGH ENERGY PHYSICS .2(2020):38.

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