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Solar neutrino detection sensitivity in DARWIN via electron scattering

DARWIN Collaboration; Aalbers, J.; Agostini, F.; Maouloud, S. E. M. Ahmed; Alfonsi, M.; Althueser, L.; Amaro, F. D.; Angevaare, J.; Antochi, V. C.; Antunovic, B.; Aprile, E.; Arazi, L.; Arneodo, F.; Balzer, M. 1; Baudis, L.; Baur, D.; Benabderrahmane, M. L.; Biondi, Y.; Bismark, A.; ... mehr


We detail the sensitivity of the proposed liquid xenon DARWIN observatory to solar neutrinos via elastic electron scattering. We find that DARWIN will have the potential to measure the fluxes of five solar neutrino components: pp, $^{7}$Be, $^{13}$N, $^{15}$O and pep. The precision of the $^{13}$N, $^{15}$O and pep components is hindered by the double-beta decay of $^{136}$Xe and, thus, would benefit from a depleted target. A high-statistics observation of pp neutrinos would allow us to infer the values of the electroweak mixing angle, sin$^{2}$ theta$_{w}$, and the electron-type neutrino survival probability, P$_{ee}$, in the electron recoil energy region from a few keV up to 200 keV for the first time, with relative precision of 5% and 4%, respectively, with 10 live years of data and a 30 tonne fiducial volume. An observation of pp and$^{7}$Be neutrinos would constrain the neutrino-inferred solar luminosity down to 0.2%. A combination of all flux measurements would distinguish between the high- (GS98) and low-metallicity (AGS09) solar models with 2.1-2.5 sigma significance, independent of external measurements from other experiments or a measurement of $^{8}$B neutrinos through coherent elastic neutrino-nucleus scattering in DARWIN. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000127531
Veröffentlicht am 11.12.2020
DOI: 10.1140/epjc/s10052-020-08602-7
Zitationen: 17
Zitationen: 21
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Astroteilchenphysik (IAP)
Institut für Experimentelle Teilchenphysik (ETP)
Institut für Prozessdatenverarbeitung und Elektronik (IPE)
Institut für Technische Physik (ITEP)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 12.2020
Sprache Englisch
Identifikator ISSN: 1434-6044, 1434-6052
KITopen-ID: 1000127531
HGF-Programm 51.03.05 (POF III, LK 01) Dunkle Materie
Erschienen in The European physical journal / C
Verlag Springer Verlag
Band 80
Heft 12
Seiten Art.-Nr. 1133
Bemerkung zur Veröffentlichung Gefördert durch SCOAP3
Vorab online veröffentlicht am 08.12.2020
Nachgewiesen in arXiv
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