Future Reactor Expts. The Challenge. DoubleChooz. In France. Stanley Wojcicki. Far Detector m ~50 events/day

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1 Future Reactor Expts The Challenge ND FD Near Detector m ~400 events/day Far Detector m ~50 events/day DoubleChooz In France 64

2 Future Reactor Expts The Challenge Daya Bay ND FD Near Detector m ~400 events/day Far Detector m ~50 events/day In China DoubleChooz In France 64

Future Reactor Expts The Challenge Daya Bay ND FD Near Detector - 410 m ~400 events/day Far

3 Future Reactor Expts The Challenge Daya Bay ND FD Near Detector m ~400 events/day Far Detector m ~50 events/day In China RENO 1.3 km DoubleChooz In France In South Korea 64

4 Accelerator Efforts New accelerator (JPARC) and new beamline Existing detector (SuperKamiokande) Data taking stated in spring of 2010 with reduced (50 kw) intensity 65

Accelerator Efforts NOvA Beamline and Location Ash River NOvA NOvA MINOS New accelerator (JPARC) and new beamline Existing detector (SuperKamiokande) Data taking stated in

5 Accelerator Efforts NOvA Beamline and Location Ash River NOvA NOvA MINOS New accelerator (JPARC) and new beamline Existing detector (SuperKamiokande) Data taking stated in spring of 2010 with reduced (50 kw) intensity Existing beamline (NuMI) at Fermilab New Detector on a new site Data taking might start in late 2011 with partial detector 65

6 Projected Sensitivities 66

7 Projected Sensitivities T2K: Assumes 5 years at 750 kw, 22.5 kton fiducial volume 66

8 Projected Sensitivities T2K: Assumes 5 years at 750 kw, 22.5 kton fiducial volume NOvA: Assumes 3 years ν + 3 years anti-ν, 10% systematic The long distance (810 km) gives it some sensitivity to mass hierarchy 66

9 Projected Sensitivities T2K: Assumes 5 years at 750 kw, 22.5 kton fiducial volume NOvA: Assumes 3 years ν + 3 years anti-ν, 10% systematic Daya Bay: Ultimate sensitivity Other 2 reactor experiments 2-3 times worse The long distance (810 km) gives it some sensitivity to mass hierarchy 66

10 What if sin 2 2θ13<0.01? K.Long Nu

11 What if sin 2 2θ13<0.01? Neutrino factory - muons in storage ring; neutrinos from decays will be pure νμ and νe (for stored μ + ) Beta beams - stored radioactive ions decay into νe or νe K.Long Nu

12 What if sin 2 2θ13<0.01? Neutrino factory - muons in storage ring; neutrinos from decays will be pure νμ and νe (for stored μ + )!"#$%&'()*+,-.+'/+01203).4+5 Beta beams - stored radioactive ions decay into νe or νe % '&)47208'267/+01203*' 279+0'2/7-2.*5 :)0;+0'<-*42=+08'0+)49 >23/+7-720*'?,)0;+'@ AB C5 D+7)'(+)35 D67'0+E6-0+*',)0;+'%+'1,6FG'9-;9$HG' ).<I20'J$-2.* :2K'+.+0;8'% '&) #++',)7+0G'(67G'0+<64+<' 0+<6.<).48I1,+F-(-,-78 EUROnu: v1 K.Long Nu

13 Future in Cosmology Y.Wong Neutrino

14 Future in Cosmology 6#07$8&$*)123),$%,+&+/+&+$,444!"##$%&'()*+,-./0"#$*)).&)123)!454))))))))))))))))) 6'.%8; =!RS9B#9T#9$ 5$,<0"#<"$,)$&).'4)JKKL 6$#0&&0F)5$,<0"#"<$,F) "!RS9B#) A&0B0<#.C>(D =!RS9B#9T#9$ M+&8>+%<)$&).'4)JKKN "!RS9B#) O)JKP2QJKJK!! Y.Wong Neutrino

15 Future in Cosmology 6#07$8&$*)123),$%,+&+/+&+$,444!"##$%&'()*+,-./0"#$*)).&)123)!454))))))))))))))))) 6'.%8; =!RS9B#9T#9$ 5$,<0"#<"$,)$&).'4)JKKL 6$#0&&0F)5$,<0"#"<$,F) "!RS9B#) A&0B0<#.C>(D =!RS9B#9T#9$ M+&8>+%<)$&).'4)JKKN "!RS9B#) O)JKP2QJKJK!! Assumption: theoretical models are good to 1% Y.Wong Neutrino

16 Future in Cosmology 6#07$8&$*)123),$%,+&+/+&+$,444!"##$%&'()*+,-./0"#$*)).&)123)!454))))))))))))))))) 6'.%8; =!RS9B#9T#9$ 5$,<0"#<"$,)$&).'4)JKKL 6$#0&&0F)5$,<0"#"<$,F) "!RS9B#) Hope for observation of UHE neutrinos with the large new neutrino telescopes A&0B0<#.C>(D =!RS9B#9T#9$ M+&8>+%<)$&).'4)JKKN "!RS9B#) O)JKP2QJKJK!! Assumption: theoretical models are good to 1% Y.Wong Neutrino

17 Future in Cosmology 6#07$8&$*)123),$%,+&+/+&+$,444!"##$%&'()*+,-./0"#$*)).&)123)!454))))))))))))))))) 6'.%8; =!RS9B#9T#9$ 5$,<0"#<"$,)$&).'4)JKKL 6$#0&&0F)5$,<0"#"<$,F) "!RS9B#) Hope for observation of UHE neutrinos with the large new neutrino telescopes A&0B0<#.C>(D =!RS9B#9T#9$ M+&8>+%<)$&).'4)JKKN "!RS9B#) O)JKP2QJKJK!! Assumption: theoretical models are good to 1% Y.Wong Neutrino

18 Future of 0νββ 69

19 Future of 0νββ Current experimental programs have a long way to go to reach interesting level of sensitivity Emphasis on increasing mass, reducing backgrounds 69

20 Future of 0νββ Current experimental programs have a long way to go to reach interesting level of sensitivity Emphasis on increasing mass, reducing backgrounds The next round of experiments has a good chance of reaching mββ ~ mev (factor of >10 better in τ1/2) New approaches are to dilute isotopes of interest in water ( 150 Nd in SNO+, 136 Xe in KamLAND-ZEN) 69

Future of 0νββ Current experimental programs have a long way to go to reach interesting level of sensitivity Emphasis on increasing mass, reducing backgrounds The next round of experiments has a good

21 Future of 0νββ Current experimental programs have a long way to go to reach interesting level of sensitivity Emphasis on increasing mass, reducing backgrounds The next round of experiments has a good chance of reaching mββ ~ mev (factor of >10 better in τ1/2) New approaches are to dilute isotopes of interest in water ( 150 Nd in SNO+, 136 Xe in KamLAND-ZEN) 136 Xe experiments have the advantage of favorable (??) 0ν/2ν ratio; τ1/2 2ν ~ yrs Ge experiments have probably the best energy resolution 69

22 Graphical Summary 70

23 Graphical Summary Key experiments Pauli Conjecture Nature of ν Standard Model 70

24 Graphical Summary Solar Model Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations 70

25 Graphical Summary Solar Model Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations LSND Result Sterile ν s? 70

26 Graphical Summary Solar Model Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? LSND Result Sterile ν s? Cosmology Astrophysics Double ββ 70

27 Graphical Summary Solar Model Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? Nature of νʻs? LSND Result Sterile ν s? Cosmology Astrophysics Double ββ 70

28 Graphical Summary Solar Model MINOS MiniBooNE ν /ν?? Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? Nature of νʻs? LSND Result Sterile ν s? Cosmology Astrophysics Double ββ 70

29 Graphical Summary New experiments Solar Model MINOS MiniBooNE ν /ν?? New interactions? Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? Nature of νʻs? LSND Result Sterile ν s? Cosmology Astrophysics Double ββ 70

30 Graphical Summary New experiments Solar Model MINOS MiniBooNE ν /ν?? LHC Physics New interactions? Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? Nature of νʻs? LSND Result Sterile ν s? Cosmology Astrophysics Double ββ 70

31 Graphical Summary New experiments Solar Model MINOS MiniBooNE ν /ν?? LHC Physics New interactions? Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? Nature of νʻs? LSND Result Sterile ν s? Cosmology Astrophysics Double ββ UHE ν s 70

32 Graphical Summary New experiments Solar Model MINOS MiniBooNE ν /ν?? LHC Physics New interactions? Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? Nature of νʻs? LSND Result New experiments Sterile ν s? Cosmology Astrophysics Double ββ UHE ν s 70

33 Graphical Summary New experiments Solar Model MINOS MiniBooNE ν /ν?? LHC Physics New interactions? Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? Nature of νʻs? LSND Result New experiments Sterile ν s? proton decay Cosmology Astrophysics Double ββ UHE ν s 70

34 Graphical Summary New experiments Solar Model MINOS MiniBooNE ν /ν?? LHC Physics New interactions? Key experiments Anomalies SuperK,SNO,... Pauli Conjecture Nature of ν Standard Model ν Standard Model Oscillations ν Mass? Nature of νʻs? LSND Result New experiments Sterile ν s? proton decay Cosmology Astrophysics Double ββ UHE ν s???? LEPTOGENESIS 70

35 A Word to the Young 71

36 A Word to the Young By comparison with the quark sector, the lepton sector is very much unconstrained 71

37 A Word to the Young By comparison with the quark sector, the lepton sector is very much unconstrained Much room for SURPRISES 71

38 A Word to the Young My Advice: Think out of the Box By comparison with the quark sector, the lepton sector is very much unconstrained Much room for SURPRISES 71

39 A Word to the Young My Advice: Think out of the Box By comparison with the quark sector, the lepton sector is very much unconstrained Much room for SURPRISES Ehrenfest to Goudsmidt and Uhlenback re electron spin: "Well, that is a nice idea, though it may be wrong. But you don't yet have a reputation, so you have nothing to lose" 71

40 Many Thanks To the Students for Listening To the Lectures for Great Talks To the Organizers for a Great Program To the Staff for Making the institute Run so Smoothly 72

Neutrinos: Yesterday, Today and Tomorrow. Stanley Wojcicki SLAC Summer Institute 2010 August 13, 2010

Neutrinos: Yesterday, Today and Tomorrow August 13, 2010 1 My Marching Orders 2 My Marching Orders...the summary talk should be visionary, rather than a dedicated summary of the SSI program. 2 My Marching