Final results of Borexino Phase-I on low-energy solar neutrino spectroscopy

Bellini, G.; Benziger, J.; Bick, D.; Bonfini, G.; Bravo, D.; Avanzini, M. Buizza; Caccianiga, B.; Cadonati, L.; Calaprice, F.; Cavalcante, P.; Chavarría, Á.; Chepurnov, A.; D’Angelo, D.; Davini, S.; Derbin, A.; Empl, A.; Etenko, A.; Fomenko, K.; Franco, D.; Galbiati, C.; Gazzana, S.; Ghiano, C.; Giammarchi, M.; Goeger-Neff, M.; Goretti, A.; Grandi, L.; Hagner, C.; Hungerford, E.; Ianni, Aldo; Ianni, Andrea; Kobychev, V.; Korablëv, D.; Korga, G.; Kryn, D.; Laubenstein, M.; Lewke, T.; Litvinovich, E.; Loer, B.; Lombardi, F.; Lombardi, P.; Ludhová, L.; Lukyanchenko, G.; Machulin, I.; Manecki, S.; Maneschg, W.; Manuzio, G.; Meindl, Q.; Meroni, E.; Miramonti, L.; Misiaszek, M.; Mosteiro, P.; Muratova, V.; Oberauer, L.; Obolensky, M.; Ortica, F.; Otis, K.; Pallavicini, M.; Papp, L.; Peña-Garay, Carlos; Perasso, L.; Perasso, S.; Pocar, A.; Ranucci, G.; Razeto, A.; Re, A.; Romani, A.; Rossi, N.; Saldanha, R.; Salvo, C.; Schöenert, S.; Simgen, H.; Skorokhvatov, M.; Smirnov, O.; Sotnikov, A.; Sukhotin, S.; Suvorov, Y.; Tartaglia, R.; Testera, G.; Vignaud, D.; Vogelaar, R. B.; Feilitzsch, F. von; Winter, J.; Wójcik, Marcin; Wright, A.; Wurm, M.; Xu, J.; Zaimidoroga, O.; Zavatarelli, S.; Zuzel, G.

doi:10.1103/physrevd.89.112007

Cited by 286 publications

(368 citation statements)

References 102 publications

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“…We refer to the LSV and WCV detectors together as the veto system of DarkSide-50. The DarkSide-50 detectors are located in Hall C of LNGS, in close proximity to and sharing many facilities with the Borexino experiment [6,7].…”

Section: Darkside-50 and Its Neutron Vetomentioning

confidence: 99%

“…Figure 16 shows the в -spectrum of 14C convolved with the fitted LSV response, compared to the Phase-II data. The fitting function includes the energy resolution and ionization quenching (assuming a Birks' constant of 0.012 cm/MeV [6] and the model described in [11]), and an additional constant background term. The fit is performed over the photoelectron distribution of clusters in random coincidence with the LAr TPC between 25 and 120 PE.…”

Section: C Backgroundmentioning

confidence: 99%

“…The light yields derived from fits to the 14C в -spectrum, the two 60Co y-rays, and the 208Tl y-ray in Phase-II are summarized in table 5. The calculation of the light yield from the 14C в -spectrum and the 60Co y-rays assume a quenching model described by a Birks' constant k B = 0.012 cm/MeV [6]. …”

Section: Lsv Energy Spectrum and Backgroundsmentioning

confidence: 99%

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Results from the first use of low radioactivity argon in a dark matter search

Agnes¹,

Agostino²,

Albuquerque³

et al. 2016

Phys. Rev. D

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239

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A b s tra c t: Nuclear recoil events produced by neutron scatters form one of the most important classes of background in WIMP direct detection experiments, as they may produce nuclear recoils that look exactly like W IMP interactions. In DarkSide-50, we both actively suppress and measure the rate of neutron-induced background events using our neutron veto, composed of a boron-loaded liquid scintillator detector within a water Cherenkov detector. This paper is devoted to the description of the neutron veto system of DarkSide-50, including the detector structure, the fundamentals of event reconstruction and data analysis, and basic performance parameters.

show abstract

Section: Darkside-50 and Its Neutron Vetomentioning

confidence: 99%

Section: C Backgroundmentioning

confidence: 99%

See 1 more Smart Citation

Results from the first use of low radioactivity argon in a dark matter search

Agnes¹,

Agostino²,

Albuquerque³

et al. 2016

Phys. Rev. D

Self Cite

180

239

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show abstract

“…Neutrino oscillation parameters are mostly constrained by solar neutrino experiments [40][41][42][43][44][45], the SuperKamiokande atmospheric neutrino data [37], and accelerator data from MINOS [46], T2K [47], and the NuMI Off-Axis ν e Appearance Experiment (NOνA) [48]. These imply the existence of two hierarchical mass-squared differences ∆m 2 21 and ∆m 2 32 and three nonzero mixing angles θ 13 , θ 12 , θ 23 .…”

Section: Neutrino Parameter Measurementsmentioning

confidence: 99%

Neutrino versus antineutrino oscillation parameters at DUNE and Hyper-Kamiokande experiments

Gouvêa

Kelly

2017

Phys. Rev. D

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Testing, in a non-trivial, model-independent way, the hypothesis that the three-massive-neutrinos paradigm properly describes nature is among the main goals of the current and the next generation of neutrino oscillation experiments. In the coming decade, the DUNE and Hyper-Kamiokande experiments will be able to study the oscillation of both neutrinos and antineutrinos with unprecedented precision. We explore the ability of these experiments, and combinations of them, to determine whether the parameters that govern these oscillations are the same for neutrinos and antineutrinos, as prescribed by the CPT-theorem. We find that both DUNE and Hyper-Kamiokande will be sensitive to unexplored levels of leptonic CPT-violation. Assuming the parameters for neutrino and antineutrino oscillations are unrelated, we discuss the ability of these experiments to determine the neutrino and antineutrino mass-hierarchies, atmospheric-mixing octants, and CP-odd phases, three key milestones of the experimental neutrino physics program. Additionally, if the CPT-theorem is violated in nature in a way that is consistent with all present neutrino and antineutrino oscillation data, we find that DUNE and Hyper-Kamiokande have the potential to ultimately establish leptonic CPT-invariance violation.

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“…A thorough account of the effort to characterize the performances of the detector has been published in Bellini et al [2014], where also the full methodology adopted for the solar neutrino analysis is described.…”

Section: Tuningmentioning

confidence: 99%