Solar Neutrinos Spectroscopy with Borexino Phase-II

Miramonti, L.; Agostini, M.; Altenmueller, K.; Appel, S.; Atroshchenko, V.; Bagdasarian, Z.; Basilico, D.; Bellini, G.; Benziger, J.; Bick, D.; Bolognino, I.; Bonfini, G.; Bravo, D.; Caccianiga, B.; Calaprice, F.; Caminata, A.; Caprioli, S.; Carlini, M.; Cavalcante, P.; Cavanna, F.; Chepurnov, A.; Choi, Koun; Collica, L.; Davini, S.; Derbin, A.; Ding, Xuefeng; Lüdovico, A. Di; Noto, L. Di; Drachnev, I.; Fomenko, K.; Formozov, A.; Franco, D.; Gabriele, F.; Galbiati, C.; Gschwender, M.; Ghiano, C.; Giammarchi, M.; Goretti, A.; Gromov, M.; Guffanti, D.; Hagner, C.; Houdy, T.; Hungerford, E.; Ianni, Aldo; Ianni, Andrea; Jany, A.; Jeschke, D.; Kobychev, V.; Korablëv, D.; Korga, G.; Lachenmaier, T.; Laubenstein, M.; Litvinovich, E.; Lombardi, F.; Lombardi, P.; Ludhová, L.; Lukyanchenko, G.; Lukyanchenko, L.; Machulin, I.; Manuzio, G.; Marcocci, S.; Maricic, J.; Martýn, J.; Meroni, E.; Meyer, M.; Misiaszek, M.; Muratova, V.; Neumair, B.; Oberauer, L.; Opitz, B.; Orekhov, V.; Ortica, F.; Pallavicini, M.; Papp, L.; Penek, Ö.; Pietrofaccia, L.; Pilipenko, N.; Pocar, A.; Porcelli, A.; Raikov, G.; Ranucci, G.; Razeto, A.; Re, A.; Redchuk, M.; Romani, A.; Rossi, N.; Rottenanger, S.; Schöenert, S.; Semenov, D.; Skorokhvatov, M.; Smirnov, O.; Sotnikov, A.; Stokes, L. F. F.; Suvorov, Y.; Tartaglia, R.; Testera, G.; Thurn, J.; Toropova, M.; Unzhakov, E.; Vishneva, A.; Vogelaar, B.; Feilitzsch, F. von; Weinz, S.; Wójcik, Marcin; Wurm, M.; Yokley, Z.; Zaimidoroga, O.; Zavatarelli, S.; Zuber, Κ.; Zuzel, G.

doi:10.3390/universe4110118

Cited by 2 publications

(4 citation statements)

References 34 publications

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“…Solar neutrinos have been widely studied in the past, by different kind of experiments, ranging from the radiochemical ones (Homestake [110,111], Gallex [112,113], SAGE [114,115] and GNO [116,117]) to the Cerenkov detectors (Kamiokande [118], SuperKamiokande [119][120][121][122] and SNO [21]) and, at last, to scintillators, with Borexino [123][124][125][126][127]. The results collected over almost fifty years of experimental studies and phenomenological analyses [128][129][130] made possible a fundamental progress in our knowledge, not only of the mechanism ruling the fusion processes inside our star, but also of some key points fundamental for all elementary particle physics.…”

Section: Solar Neutrino Physics At Junomentioning

confidence: 99%

“…A fundamental cross check of this solution came by the reactor antineutrino experiment KamLAND [19], which tested the same region of oscillation parameters, as described in Section 1. Moreover, the accurate determination, through the combination of the data from the various solar neutrino experiments, of the fluxes for the full solar neutrino spectrum and the opportunity of checking the mechanisms ruling the pp chain (that is the main fusion process taking place inside the Sun), made possible by simultaneous detections at Borexino [126,127] of all the neutrinos emitted in this process, gave a unique opportunity to test the validity of Solar Standard Models (SSM) [131] and contributed significantly to their improvement.…”

Section: Solar Neutrino Physics At Junomentioning

confidence: 99%

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Present and Future Contributions of Reactor Experiments to Mass Ordering and Neutrino Oscillation Studies

Antonelli¹,

Miramonti²,

Ranucci³

2020

Universe

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After a long a glorious history, marked by the first direct proofs of neutrino existence and of the mixing between the first and third neutrino generations, the reactor antineutrino experiments are still well alive and will continue to give important contributions to the development of elementary particle physics and astrophysics. In parallel to the SBL (short baseline) experiments, that will be dedicated mainly to the search for sterile neutrinos, a new kind of experiments will start playing an important role: reactor experiments with a “medium” value, around 50 km, of the baseline, somehow in the middle between the SBL and the LBL (long baselines), like KamLAND, which in the recent past gave essential contributions to the developments of neutrino physics. These new medium baseline reactor experiments can be very important, mainly for the study of neutrino mass ordering. The first example of this kind, the liquid scintillator JUNO experiment, characterized by a very high mass and an unprecedented energy resolution, will soon start data collecting in China. Its main aspects are discussed here, together with its potentialities for what concerns the mass ordering investigation and also the other issues that can be studied with this detector, spanning from the accurate oscillation parameter determination to the study of solar neutrinos, geoneutrinos, atmospheric neutrinos and neutrinos emitted by supernovas and to the search for signals of potential Lorentz invariance violation.

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Section: Solar Neutrino Physics At Junomentioning

confidence: 99%

Section: Solar Neutrino Physics At Junomentioning

confidence: 99%

Present and Future Contributions of Reactor Experiments to Mass Ordering and Neutrino Oscillation Studies

Antonelli¹,

Miramonti²,

Ranucci³

2020

Universe

Self Cite

View full text Add to dashboard Cite

show abstract

“…The corresponding fluxes can be predicted by the so-called Standard Solar Model (SSM) [52,55,56] and can be found from Refs. [56][57][58][59][60][61][62][63][64][65][66][67][68]. Numerous experiments [68][69][70][71][72][73][74][75][76][77] have been designed to detect solar neutrinos with various thresholds (see e.g.…”

Section: The Modelmentioning

confidence: 99%

“…In this work, the predicted solar neutrino fluxes from the B16 Standard Solar Model (B16-GS98) [56] are used for all the solar neutrino sources except for the 7 Be neutrinos. The 7 Be neutrinos have two mono-energetic lines with the energy of 0.862 MeV and 0.384 MeV respectively [66,68] and the corresponding fluxes are taken from Ref. [68].…”

Section: Connection Between νN → ν N Reactions and N-n Oscillationsmentioning

confidence: 99%

Connection between νn→ν¯n¯ reactions and n−
Hao
¹

2020
Phys. Rev. D
3
0
1
0
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In this work, we investigate the connection and compatibility between νn →νn reactions and n-n oscillations based on the SU (3)c×SU (2)L×U (1) symmetry model with additional Higgs triplets. We explore the possibility that the scattering process νn →νn produced by low-energy solar neutrinos gives rise to an unavoidable background in the measurements of n-n oscillations. We focus on two different scenarios, depending on whether the (B − L) symmetry could be broken. We analyze the interplay of the various constraints on the two processes and their observable consequences. In the scenario where both (B + L) and (B − L) could be broken, we point out that if all the requirements, mainly arising from the type-II seesaw mechanism, are satisfied, the parameter space would be severely constrained. In this case, although the masses of the Higgs triplet bosons could be within the reach of a direct detection at the LHC or future high-energy experiments, the predicted n-n oscillation times would be completely beyond the detectable regions of the present experiments. In both scenarios, the present experiments are unable to distinguish a νn →νn reaction event from a n-n oscillation event within the accessible energy range. Nevertheless, if any of the two processes is detected, there could be signal associated with new physics beyond the Standard Model.

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Solar Neutrinos Spectroscopy with Borexino Phase-II

Cited by 2 publications

References 34 publications

Present and Future Contributions of Reactor Experiments to Mass Ordering and Neutrino Oscillation Studies

Present and Future Contributions of Reactor Experiments to Mass Ordering and Neutrino Oscillation Studies

Connection between νn→ν¯n¯ reactions and n−
Hao
¹

2020
Phys. Rev. D
3
0
1
0
View full text Add to dashboard Cite

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Solar Neutrinos Spectroscopy with Borexino Phase-II

Cited by 2 publications

References 34 publications

Present and Future Contributions of Reactor Experiments to Mass Ordering and Neutrino Oscillation Studies

Present and Future Contributions of Reactor Experiments to Mass Ordering and Neutrino Oscillation Studies

Connection between νn→ν¯n¯ reactions and n−Hao1 2020Phys. Rev. D3010View full textAdd to dashboardCite

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Connection between νn→ν¯n¯ reactions and n−
Hao
¹

2020
Phys. Rev. D
3
0
1
0
View full text Add to dashboard Cite