KamLAND: Disappearance ofReactor Anti-neutrinosKam-Biu LukUniversity of California, BerkeleyandLawrence Berkeley National LaboratoryNeutrinoatDayaBay,28Nov2003
KamLAND: Disappearance of Reactor Anti-neutrinos Kam-Biu Luk University of California, Berkeley and Lawrence Berkeley National Laboratory Neutrino at Daya Bay, 28 Nov 2003
Determination of Am12? and Q12LMA is favoured310euClThis region can be10explored withreactor y-510with a baseline of ~100 km106SNO1.410-7~100kmSuperk1.2Ga10-81.0dXOnOn10-90.8ILL0.610~10SavannahRiver6Bugey0.4Rovno10~11GoesgenKrasnoyarsk0.2PaloVerde-Chooz10~120.0日10210410~310*210~1110105101102103104tan'(0)DistancetoReactor (m)NeutrinoatDayaBay,28Nov2003
Determination of m12 2 and 12 • LMA is favoured • This region can be explored with reactor with a baseline of ~100 km ~ 100 km Neutrino at Daya Bay, 28 Nov 2003
The KamLAND ExperimentNeutrinoatDayaBay,28Nov2003
The KamLAND Experiment Neutrino at Daya Bay, 28 Nov 2003
Nuclear Reactors in Japan20%ofworld nuclearpowerNuclearPowerStationsinJapan~80GWolant.Auo.1999[pasHodoElecaaaadOkashiwazakieweTohayeicPowerCaMahokuEloctic PoeerCo-OraomaGPowerCe-Tungnaoaad品events86%86%afWCo-MnePkmGGGAromGG$250G180khmfromPoworCo-Tocoeratic(Mar.199)anAsomicPowerCo.-TokaiDarOaGa200KamiokahBoPeeeioeenJOO2ersDEauuocrcPaaaado品0a0PbRo150qwnnOperaang safionOMPAeUndercso0nplanirgeag100lyobuembbuokemebeuoreaa50uabneRUOepraerey-02004006008001000DistancefromKamioka[km]NeutrinoatDayaBay.28Nov2003
Nuclear Reactors in Japan ~80GW ~ 180 km 86% of events from ~180 km Neutrino at Daya Bay, 28 Nov 2003
Thermal Flux from Japanese ReactorsX10-100.320.250.20.150.10.05103/1407/1208/1104(13rino at B5/18ay, 28 N86/12Date2003
Thermal Flux from Japanese Reactors Neutrino at Daya Bay, 28 Nov 2003