6533b7d4fe1ef96bd12628a6

RESEARCH PRODUCT

Recent Borexino results and perspectives of the SOX measurement

J. MartynE. LitvinovichE. LitvinovichG. MentionN. RossiF. LombardiI. N. MachulinI. N. MachulinK. AltenmüllerN. JonquèresB. OpitzMarco PallaviciniD. D'angeloXuefeng DingG. TesteraA. PorcelliG. BelliniD. BravoDenis KorablevM. M. WojcikJ. ThurnR. RoncinM. D. SkorokhvatovM. D. SkorokhvatovA. V. DerbinS. FarinonY. SuvorovY. SuvorovLivia LudhovaMichael WurmM. GschwenderA. M. GorettiA. S. ChepurnovO. ZaimidorogaS. MarcocciH. WangE. V. HungerfordLino MiramontiD. FrancoL. PappV. V. KobychevC. GhianoS. AppelCaren HagnerM. ToropovaZ. YokleyV. AtroshchenkoS. WeinzD. KrynR. B. VogelaarD. A. SemenovAndrea IanniM. MisiaszekKai ZuberD. BickSandra ZavatarelliThierry LasserreB. CaccianigaI. S. DrachnevR. TartagliaA. SotnikovAldo IanniMatteo AgostiniLothar OberauerS. CaprioliMatthias LaubensteinAlessandra ReP. CavalcanteA. CaminataGioacchino RanucciFausto OrticaF. GabrieleL. LukyanchenkoPaolo LombardiN. PilipenkoD. BasilicoF. FroborgV. KornoukhovE. MeroniK. ChoiG. BonfiniFrank CalapriceA. RazetoJ. MaricicJ. GaffiotR. MusenichTobias LachenmaierMarco GiammarchiS. RottenangerV. N. MuratovaM. ScolaS. SchönertM. GromovT. HoudyM. CarliniD. JeschkeG. ZuzelB. NeumairM. MeyerK. FomenkoAndrey FormozovF. Von FeilitzschA. VishnevaA. JanyO. ClouéG. KorgaM. VivierCristiano GalbiatiM. DureroL.f.f. StokesZ. BagdasarianC. VeyssiereJay Burton BenzigerM. CribierO. SmirnovG. LukyanchenkoE. V. UnzhakovV. FischerA. Di LudovicoG. ManuzioA. PocarS. DaviniAldo RomaniL. Di Noto

subject

Sterile neutrinoneutrino: solarPhysics::Instrumentation and DetectorsSolar neutrinoQC1-999scintillation counter: liquidanomaly[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]7. Clean energy01 natural sciencesStandard ModelNuclear physics0103 physical sciences[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]Nuclear fusion010306 general physicsNeutrino oscillationBorexinoPhysicsgallium010308 nuclear & particles physicsStar formationPhysicsstar: formationstabilityneutrino: sterilesensitivityberylliumGran SassoLSNDelectron: lifetimeHigh Energy Physics::ExperimentBorexinoneutrino: oscillationnuclear reactorNeutrinoneutrino: geophysicstalk: Kolymbari 2017/08/17experimental results

description

International audience; Borexino is a liquid scintillator detector sited underground in the Laboratori Nazionali del Gran Sasso (Italy). Its physics program, until the end of this year, is focussed on the study of solar neutrinos, in particular from the Beryllium, pp, pep and CNO fusion reactions. Knowing the reaction chains in the sun provides insights towards physics disciplines such as astrophysics (star physics, star formation, etc.), astroparticle and particle physics. Phase II started in 2011 and its aim is to improve the phase I results, in particular the measurements of the neutrino fluxes from the pep and CNO processes. By the end of this year, data taking from the sun will be over and a new project is scheduled to launch: Short distance Oscillation with boreXino (SOX), which uses a Cerium source for neutrinos (100÷150 kCi of activity) and aims to confirm or rule out the presence of sterile neutrinos. This particle is hypothesised to justify the reactor, Gallium and LSND anomalies found and can reject extensions to the standard model. The work presented is a summary of the solar neutrino results achieved so far, which lead not only to a precise study of the processes in the sun, but also to more Standard Model oriented measurements (such as the stability of the charge, i.e. the life time of the electron). Furthermore, the perspectives of the SOX program are discussed showing the experiment sensitivity to a fourth neutrino state covering almost entirely 3σ of the preferred region of the anomalous neutrino experiments, and additional applications of the detector such as the study of geo-neutrinos.

10.1051/epjconf/201818202099https://hal.archives-ouvertes.fr/hal-01965307