000873335 001__ 873335
000873335 005__ 20210130004417.0
000873335 0247_ $$2arXiv$$aarXiv:1909.02422
000873335 0247_ $$2Handle$$a2128/24224
000873335 0247_ $$2altmetric$$aaltmetric:66007933
000873335 037__ $$aFZJ-2020-00648
000873335 041__ $$aEnglish
000873335 1001_ $$0P:(DE-HGF)0$$aAgostini, M.$$b0
000873335 245__ $$aSearch for low-energy neutrinos from astrophysical sources with Borexino
000873335 260__ $$c2019
000873335 3367_ $$0PUB:(DE-HGF)25$$2PUB:(DE-HGF)$$aPreprint$$bpreprint$$mpreprint$$s1580828761_4996
000873335 3367_ $$2ORCID$$aWORKING_PAPER
000873335 3367_ $$028$$2EndNote$$aElectronic Article
000873335 3367_ $$2DRIVER$$apreprint
000873335 3367_ $$2BibTeX$$aARTICLE
000873335 3367_ $$2DataCite$$aOutput Types/Working Paper
000873335 500__ $$a18 pages, 8 figures, 4 tables, 73 references
000873335 520__ $$aWe report on searches for neutrinos and antineutrinos from astrophysical sources performed with the Borexino detector at the Laboratori Nazionali del Gran Sasso in Italy. Electron antineutrinos (ν¯e) are detected in an organic liquid scintillator through the inverse β-decay reaction. In the present work we set model-independent upper limits in the energy range 1.8-16.8 MeV on neutrino fluxes from unknown sources that improve our previous results, on average, by a factor 2.5. Using the same data set, we first obtain experimental constraints on the diffuse supernova ν¯e fluxes in the previously unexplored region below 8 MeV. A search for ν¯e in the solar neutrino flux is also presented: the presence of ν¯e would be a manifestation of a non-zero anomalous magnetic moment of the neutrino, making possible its conversion to antineutrinos in the strong magnetic field of the Sun. We obtain a limit for a solar ν¯e flux of 384 cm−2s−1 (90% C.L.), assuming an undistorted solar 8B neutrinos energy spectrum, that corresponds to a transition probability pνe→ν¯e< 7.2×10−5 (90% C.L.) for Eν¯e > 1.8 MeV. At lower energies, by investigating the spectral shape of elastic scattering events, we obtain a new limit on solar 7Be-νe conversion into ν¯e of pνe→ν¯e< 0.14 (90% C.L.) at 0.862 keV. Last, we investigate solar flares as possible neutrino sources and obtain the strongest up-to-date limits on the fluence of neutrinos of all flavor neutrino below 3-7 ,MeV. Assuming the neutrino flux to be proportional to the flare's intensity, we exclude an intense solar flare as the cause of the observed excess of events in run 117 of the Cl-Ar Homestake experiment.
000873335 536__ $$0G:(DE-HGF)POF3-612$$a612 - Cosmic Matter in the Laboratory (POF3-612)$$cPOF3-612$$fPOF III$$x0
000873335 588__ $$aDataset connected to arXivarXiv
000873335 65027 $$0V:(DE-MLZ)SciArea-230$$2V:(DE-HGF)$$aParticle Physics$$x0
000873335 65027 $$0V:(DE-MLZ)SciArea-200$$2V:(DE-HGF)$$aNuclear Physics$$x1
000873335 65017 $$0V:(DE-MLZ)GC-2001-2016$$2V:(DE-HGF)$$aNuclei and Particles$$x0
000873335 65017 $$0V:(DE-MLZ)GC-2004-2016$$2V:(DE-HGF)$$aBasic research$$x1
000873335 7001_ $$0P:(DE-HGF)0$$aAltenmüller, K.$$b1
000873335 7001_ $$0P:(DE-HGF)0$$aAppel, S.$$b2
000873335 7001_ $$0P:(DE-HGF)0$$aAtroshchenko, V.$$b3
000873335 7001_ $$0P:(DE-Juel1)156420$$aBagdasarian, Z.$$b4$$ufzj
000873335 7001_ $$0P:(DE-HGF)0$$aBasilico, D.$$b5
000873335 7001_ $$0P:(DE-HGF)0$$aBellini, G.$$b6
000873335 7001_ $$0P:(DE-HGF)0$$aBenziger, J.$$b7
000873335 7001_ $$0P:(DE-HGF)0$$aBick, D.$$b8
000873335 7001_ $$0P:(DE-HGF)0$$aBonfini, G.$$b9
000873335 7001_ $$0P:(DE-HGF)0$$aBravo, D.$$b10
000873335 7001_ $$0P:(DE-HGF)0$$aCaccianiga, B.$$b11
000873335 7001_ $$0P:(DE-HGF)0$$aCalaprice, F.$$b12
000873335 7001_ $$0P:(DE-HGF)0$$aCaminata, A.$$b13
000873335 7001_ $$0P:(DE-HGF)0$$aCappelli, L.$$b14
000873335 7001_ $$0P:(DE-HGF)0$$aCavalcante, P.$$b15
000873335 7001_ $$0P:(DE-HGF)0$$aCavanna, F.$$b16
000873335 7001_ $$0P:(DE-HGF)0$$aChepurnov, A.$$b17
000873335 7001_ $$0P:(DE-HGF)0$$aChoi, K.$$b18
000873335 7001_ $$0P:(DE-HGF)0$$aD'Angelo, D.$$b19
000873335 7001_ $$0P:(DE-HGF)0$$aDavini, S.$$b20
000873335 7001_ $$0P:(DE-HGF)0$$aDerbin, A.$$b21
000873335 7001_ $$0P:(DE-HGF)0$$aDi Giacinto, A.$$b22
000873335 7001_ $$0P:(DE-HGF)0$$aDi Marcello, V.$$b23
000873335 7001_ $$0P:(DE-HGF)0$$aDing, X. F.$$b24
000873335 7001_ $$0P:(DE-HGF)0$$aDi Ludovico, A.$$b25
000873335 7001_ $$0P:(DE-HGF)0$$aDi Noto, L.$$b26
000873335 7001_ $$0P:(DE-HGF)0$$aDrachnev, I.$$b27
000873335 7001_ $$0P:(DE-HGF)0$$aFormozov, A.$$b28
000873335 7001_ $$0P:(DE-HGF)0$$aFranco, D.$$b29
000873335 7001_ $$0P:(DE-HGF)0$$aGabriele, F.$$b30
000873335 7001_ $$0P:(DE-HGF)0$$aGalbiati, C.$$b31
000873335 7001_ $$0P:(DE-HGF)0$$aGschwender, M.$$b32
000873335 7001_ $$0P:(DE-HGF)0$$aGhiano, C.$$b33
000873335 7001_ $$0P:(DE-HGF)0$$aGiammarchi, M.$$b34
000873335 7001_ $$0P:(DE-HGF)0$$aGoretti, A.$$b35
000873335 7001_ $$0P:(DE-HGF)0$$aGromov, M.$$b36
000873335 7001_ $$0P:(DE-HGF)0$$aGuffanti, D.$$b37
000873335 7001_ $$0P:(DE-HGF)0$$aHagner, C.$$b38
000873335 7001_ $$0P:(DE-HGF)0$$aHungerford, E.$$b39
000873335 7001_ $$0P:(DE-HGF)0$$aIanni, Aldo$$b40
000873335 7001_ $$0P:(DE-HGF)0$$aIanni, Andrea$$b41
000873335 7001_ $$0P:(DE-HGF)0$$aJany, A.$$b42
000873335 7001_ $$0P:(DE-HGF)0$$aJeschke, D.$$b43
000873335 7001_ $$0P:(DE-Juel1)173900$$aKumaran, S.$$b44$$ufzj
000873335 7001_ $$0P:(DE-HGF)0$$aKobychev, V.$$b45
000873335 7001_ $$0P:(DE-HGF)0$$aKorga, G.$$b46
000873335 7001_ $$0P:(DE-HGF)0$$aLachenmaier, T.$$b47
000873335 7001_ $$0P:(DE-HGF)0$$aLaubenstein, M.$$b48
000873335 7001_ $$0P:(DE-HGF)0$$aLitvinovich, E.$$b49
000873335 7001_ $$0P:(DE-HGF)0$$aLombardi, P.$$b50
000873335 7001_ $$0P:(DE-HGF)0$$aLomskaya, I.$$b51
000873335 7001_ $$0P:(DE-Juel1)168122$$aLudhova, L.$$b52$$ufzj
000873335 7001_ $$0P:(DE-HGF)0$$aLukyanchenko, G.$$b53
000873335 7001_ $$0P:(DE-HGF)0$$aLukyanchenko, L.$$b54
000873335 7001_ $$0P:(DE-HGF)0$$aMachulin, I.$$b55
000873335 7001_ $$0P:(DE-HGF)0$$aManuzio, G.$$b56
000873335 7001_ $$0P:(DE-HGF)0$$aMarcocci, S.$$b57
000873335 7001_ $$0P:(DE-HGF)0$$aMaricic, J.$$b58
000873335 7001_ $$0P:(DE-HGF)0$$aMartyn, J.$$b59
000873335 7001_ $$0P:(DE-HGF)0$$aMeroni, E.$$b60
000873335 7001_ $$0P:(DE-HGF)0$$aMeyer, M.$$b61
000873335 7001_ $$0P:(DE-HGF)0$$aMiramonti, L.$$b62
000873335 7001_ $$0P:(DE-HGF)0$$aMisiaszek, M.$$b63
000873335 7001_ $$0P:(DE-HGF)0$$aMuratova, V.$$b64
000873335 7001_ $$0P:(DE-HGF)0$$aNeumair, B.$$b65
000873335 7001_ $$0P:(DE-HGF)0$$aNieslony, M.$$b66
000873335 7001_ $$0P:(DE-HGF)0$$aOberauer, L.$$b67
000873335 7001_ $$0P:(DE-HGF)0$$aOrekhov, V.$$b68
000873335 7001_ $$0P:(DE-HGF)0$$aOrtica, F.$$b69
000873335 7001_ $$0P:(DE-HGF)0$$aPallavicini, M.$$b70
000873335 7001_ $$0P:(DE-HGF)0$$aPapp, L.$$b71
000873335 7001_ $$0P:(DE-Juel1)171602$$aPenek, Ömer$$b72$$ufzj
000873335 7001_ $$0P:(DE-HGF)0$$aPietrofaccia, L.$$b73
000873335 7001_ $$0P:(DE-HGF)0$$aPilipenko, N.$$b74
000873335 7001_ $$0P:(DE-HGF)0$$aPocar, A.$$b75
000873335 7001_ $$0P:(DE-HGF)0$$aRaikov, G.$$b76
000873335 7001_ $$0P:(DE-HGF)0$$aRanalli, M. T.$$b77
000873335 7001_ $$0P:(DE-HGF)0$$aRanucci, G.$$b78$$eCorresponding author
000873335 7001_ $$0P:(DE-HGF)0$$aRazeto, A.$$b79
000873335 7001_ $$0P:(DE-HGF)0$$aRe, A.$$b80
000873335 7001_ $$0P:(DE-Juel1)171322$$aRedchuk, Mariia$$b81$$ufzj
000873335 7001_ $$0P:(DE-HGF)0$$aRomani, A.$$b82
000873335 7001_ $$0P:(DE-HGF)0$$aRossi, N.$$b83
000873335 7001_ $$0P:(DE-HGF)0$$aRottenanger, S.$$b84
000873335 7001_ $$0P:(DE-HGF)0$$aSchönert, S.$$b85
000873335 7001_ $$0P:(DE-HGF)0$$aSemenov, D.$$b86
000873335 7001_ $$0P:(DE-HGF)0$$aSkorokhvatov, M.$$b87
000873335 7001_ $$0P:(DE-HGF)0$$aSmirnov, O.$$b88
000873335 7001_ $$0P:(DE-HGF)0$$aSotnikov, A.$$b89
000873335 7001_ $$0P:(DE-HGF)0$$aSuvorov, Y.$$b90
000873335 7001_ $$0P:(DE-HGF)0$$aTartaglia, R.$$b91
000873335 7001_ $$0P:(DE-HGF)0$$aTestera, G.$$b92
000873335 7001_ $$0P:(DE-HGF)0$$aThurn, J.$$b93
000873335 7001_ $$0P:(DE-HGF)0$$aUnzhakov, E.$$b94
000873335 7001_ $$0P:(DE-HGF)0$$aVishneva, A.$$b95
000873335 7001_ $$0P:(DE-HGF)0$$aVogelaar, R. B.$$b96
000873335 7001_ $$0P:(DE-HGF)0$$avon Feilitzsch, F.$$b97
000873335 7001_ $$0P:(DE-HGF)0$$aWojcik, M.$$b98
000873335 7001_ $$0P:(DE-HGF)0$$aWurm, M.$$b99
000873335 7001_ $$0P:(DE-HGF)0$$aZaimidoroga, O.$$b100
000873335 7001_ $$0P:(DE-HGF)0$$aZavatarelli, S.$$b101
000873335 7001_ $$0P:(DE-HGF)0$$aZuber, K.$$b102
000873335 7001_ $$0P:(DE-HGF)0$$aZuzel, G.$$b103
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