Is the Neutrino its Own Antiparticle?
|
|
- Barnard Chandler
- 5 years ago
- Views:
Transcription
1 Is the Neutrino its Own Antiparticle? CENPA REU Summer Seminar Series University of Washington, Seattle, WA July 22, 2013
2 Outline What s a neutrino? The case for Majorana neutrinos Probing the nature of the neutrino with neutrinoless double-beta decay 2
3 What s a Neutrino? Meitner and Hahn (1911): 2 Bi 3
4 What s a Neutrino? Meitner and Hahn (1911): 2 Po e - 4
5 What s a Neutrino?? Meitner and Hahn (1911): 2 Po e - 5
6 What s a Neutrino? Wolfgang Pauli (1931): ν mass proton mass spin = ½ charge = 0 color = 0 2 Po e - 6
7 What s a Neutrino? Enrico Fermi (1934): Little neutral one ν Possible interactions: EM Strong Weak (Gravity) 2 Po e - 7
8 Detecting Neutrinos and Antineutrinos n ν H e - e + 37 Ar H D ν H e + 37 Cl e - 8
9 Detecting Neutrinos and Antineutrinos n ν H e - e + 37 Ar H D ν H e + 37 Cl e - 9
10 Detecting Neutrinos and Nuclear Reactor Antineutrinos Scintillator (CxHy) ν Cowan and Reines (1956) PMTs The Sun Cleaning fluid (Cl) ν Ray Davis Jr. (1964) + Ar detector
11 Detecting Neutrinos and Nuclear Reactor Antineutrinos Scintillator (CxHy) νr Cowan and Reines (1956) PMTs The Sun Cleaning fluid (Cl) νl Ray Davis Jr. (1964) + Ar detector 11
12 Neutrino Handedness antineutrinos: right-handed Direction of motion neutrinos: Direction of spin left-handed 12
13 Standard Model Particles 13 Credit: Fermilab
14 Standard Model Particles m = 0, left-handed only 14 Credit: Fermilab
15 Neutrino Oscillation νe partially νx νe 15 KamLAND Collaboration, Phys. Rev. D 83, (2011).
16 Neutrino Oscillation νe = Ue1ν1 + Ue2ν2 + Ue3ν3 νe partially νx νe m2 2 - m KamLAND Collaboration, Phys. Rev. D 83, (2011).
17 Outline What s a neutrino? The case for Majorana neutrinos Probing the nature of the neutrino with neutrinoless double-beta decay 17
18 Incorporating ν Mass Higgs Field 18 H. Murayama, Physics World (May 2002).
19 Incorporating ν Mass Higgs Field md md 19 H. Murayama, Physics World (May 2002).
20 Incorporating ν Mass Higgs Field md Not in SM md 20 H. Murayama, Physics World (May 2002).
21 Incorporating ν Mass md Not in SM md 21 H. Murayama, Physics World (May 2002).
22 Incorporating ν Mass mm mm Ettore Majorana 22 E. Majorana, Il Nuovo Cimento 14, 171 (1937). English translation: Soryushiron Kenkyu 63, 149 (1981).
23 Dirac vs Majorana neutrinos Dirac (ν ν) Majorana (ν = ν) νl produces - ( ) νl produces - νr doesn t interact ( ) νr produces + νl doesn t interact Requires Q = -Q = 0 Implies L is not conserved νr produces + 23 Following B. Kayser.
24 Seesaw Mechanism mass M, τ ~ 1/M md NR md 24 H. Murayama, Physics World (May 2002).
25 Seesaw Mechanism mass M, τ ~ 1/M md NR md M md md 25 H. Murayama, Physics World (May 2002).
26 Seesaw Mechanism mass M, τ ~ 1/M md NR md M md md Majorana mass term mν ~ md 2 /M 26 H. Murayama, Physics World (May 2002).
27 Seesaw Mechanism mass M, τ ~ 1/M md NR md M md md Majorana mass term mν ~ md 2 /M M md mν for md ~ GeV-TeV: mν ~ mev-ev M ~ GeV 27 H. Murayama, Physics World (May 2002).
28 Grand Unification 28 GUT scale Plank scale = ħc/g
29 Matter-Antimatter Asymmetry The Big Bang The Universe Today matter + antimatter matter only 29
30 Sakharov Conditions Interactions out of thermal equilibrium Baryon number violation (baryogenesis) C (charge) and CP (charge-parity) violation 30 A. Sakharov, JETP 5, 24 (1967).
31 Leptogenesis Decay of heavy Majorana neutrino (N) into SM leptons ( ± ) and Higgs (H): - + N N H H CP violation in ν sector could give these different branching ratios SM processes could convert L to B: baryogenesis! Majorana neutrinos could be the reason we exist at all! 31 Following B. Kayser.
32 Outline What s a neutrino? The case for Majorana neutrinos Probing the nature of the neutrino with neutrinoless double-beta decay 32
33 Double-Beta Decay M Z 33
34 Double-Beta Decay 2νββ e - e - νe νe W - W - > Nuclear Process > (A, Z) (A, Z+2) 34
35 0νββ Decay 2νββ e - e - νe νe W - W - > Nuclear Process > (A, Z) (A, Z+2) 0νββ e - e - Uei νi mi x W - W - Uei > Nuclear Process > (A, Z) (A, Z+2) Γ½ 0ν = G 0ν M 0ν 2 mββ 2 mββ Σ mi Uei 2 35
36 Claimed Observation Klapdor Kleingrothaus et al., Mod. Phys. Lett. A 21 (2006) p kg y T1/2 = ( ) x 25 y significance ~6σ mββ < ~ mev
37 Claimed Observation 37 Klapdor Kleingrothaus et al., Phys. Lett. B 586, 198 (2004).
38 New GERDA Result 38 M. Agostini et al., arxiv: (2013).
39 Double-Beta Decay 3 Claimed signal in 76 Ge: Mod. Phys. Lett. A 21 (2006) p [mev] ββ m 1 Inverted Normal -1 1 m lightest [mev] 2 3
40 Double-Beta Decay 3 Disfavored by 0νββ Claimed signal in 76 Ge: Mod. Phys. Lett. A 21 (2006) p [mev] ββ m 1 Inverted Normal -1 1 m lightest [mev] 2 3
41 Double-Beta Decay 3 Disfavored by 0νββ Claimed signal in 76 Ge: Mod. Phys. Lett. A 21 (2006) p [mev] ββ m 1-1 Inverted Normal 1 m lightest [mev] 2 Disfavored by cosmology; To be tested by KATRIN 3
42 Double-Beta Decay 3 Disfavored by 0νββ Claimed signal in 76 Ge: Mod. Phys. Lett. A 21 (2006) p [mev] ββ m 1-1 Inverted Normal 1 m lightest [mev] 2 Disfavored by cosmology; To be tested by KATRIN 3
43 Double-Beta Decay 3 Disfavored by 0νββ Claimed signal in 76 Ge: Mod. Phys. Lett. A 21 (2006) p [mev] ββ m 1-1 Inverted Normal 1 m lightest [mev] 2 Disfavored by cosmology; To be tested by KATRIN 3
44 Testing the Inverted Hierarchy sensitivity (90% CL, QRPA NME) [mev] ββ m 3 2 Mod. Phys. Lett. A 21 (2006), p (3σ): ( ) x Inverted Hierarchy (m l 0 ev) Zero background 0.1 counts/roi/t/y 1 count/roi/t/y 4 counts/roi/t/y 25 years ν Ge T 1/2 sensitivity (90% CL) [years] Exposure [tonne years]
45 0νββ Experiments Construction Operation 45 Elliott, arxiv: v1 (2012).
46 The MAJORANA DEMONSTRATOR (MJD) Located 4850 underground at Sanford Underground Research Facility 40-kg of Ge detectors, 30-kg enriched to 86% in 76 Ge 2 independent cryostats made of ultra-clean, electroformed Cu Compact Pb and Cu shield + muon veto Background goal: 3 counts in the 0νββ peak region of interest in a one tonne-year exposure Funded by DOE Office of Nuclear Physics and NSF Particle Astrophysics, with additional contributions from international collaborators. 46
47 MJD Implementation Prototype Cryostat (2 strings, natge): Summer 2013 Cryostat 1 (3 strings enrge & 4 strings natge): Late 2013 Cryostat 2 (7 strings enrge): Fall
48 MJD Construction 48
49 MJD Construction 49
50 MJD Collaboration 50
51 Other MJD Physics Light WIMP dark matter Solar axions Pauli exclusion principle violation Neutrino magnetic moment Electron decay 51
52 Summary Neutrinos continue to give us new mysteries to solve Majorana neutrinos may give us insights into Grand Unification and the Matter- Antimatter Asymmetry of the Universe 0νββ experiments are the only known way to probe this aspect of the neutrino Definitive tests of inverted hierarchy Majorana neutrinos are within reach! 52
53 53
54 Neutrino Handedness e - C.S. Wu et al. (1957) Co 60 νe 54
55 The Majorana Fermion Particle physics: Δ Condensed matter: charge-neutral, zero-energy quasi-particle 55 Brouwer, Science 336, 989 (2012).
56 Testing ν = ν (I) Dirac ν Majorana ν νl produces - ( ) νl produces - νr doesn t interact ( ) νr produces + νl doesn t interact Why not generate νr in a beam and see if it νr produces + produces +? 56 Following B. Kayser.
57 The Majorana Equation Schrodinger: 57
58 The Majorana Equation Schrodinger: Dirac: 58
59 The Majorana Equation Schrodinger: Dirac: Majorana: 59 E. Majorana, Il Nuovo Cimento 14, 171 (1937). English translation: Soryushiron Kenkyu 63, 149 (1981).
60 Testing ν = ν (I) νl π + π + μ + νr μ + π + at rest boost High-E π + beam Boost so that π + beam faster than νl from decay at rest: requires Eπ > 4 PeV (n.b. LHC = 14 TeV) Fraction of decays with helicity flipped: <-15 Since L-violation comes only from Majorana ν masses, any attempt to observe it will be at the mercy of the ν masses. - B. Kayser 60 Following B. Kayser.
61 Germanium Detectors ~7 cm ~7 cm 61
62 Point-Contact Ge Detectors Hole vdrift (mm/ns) w/ paths, isochrones 62
63 Point-Contact Ge Detectors γ + + _ Edep Hole vdrift (mm/ns) w/ paths, isochrones 63
64 Point-Contact Ge Detectors ~x 64 Barbeau et al., JCAP 09, 009 (2007).
Is the Neutrino its Own Antiparticle?
Is the Neutrino its Own Antiparticle? PHYS 294A Jan 24, 2013 Outline What s a neutrino? The case for Majorana neutrinos Probing the nature of the neutrino with neutrinoless double-beta decay 2 What s a
More informationTo Be or Not To Be: Majorana Neutrinos, Grand Unification, and the Existence of the Universe
To Be or Not To Be: Majorana Neutrinos, Grand Unification, and the Existence of the Universe Assistant Professor, University of Washington Aug. 3, 2015 The Neutrino Meitner and Hahn (1911): 210 Bi ( Radium
More informationExperimental Searches for Neutrinoless Double-Beta Decays in 76-Ge Alan Poon
Experimental Searches for Neutrinoless Double-Beta Decays in 76-Ge Alan Poon Institute for Nuclear and Particle Astrophysics Nuclear Science Division 1 Outline Introduction - 0νββ decay (see Agostini s
More informationNeutrino Basics. m 2 [ev 2 ] tan 2 θ. Reference: The Standard Model and Beyond, CRC Press. Paul Langacker (IAS) LSND 90/99% SuperK 90/99% MINOS K2K
Neutrino Basics CDHSW m 2 [ev 2 ] 10 0 10 3 10 6 10 9 KARMEN2 Cl 95% NOMAD MiniBooNE Ga 95% Bugey CHOOZ ν X ν µ ν τ ν τ NOMAD all solar 95% SNO 95% CHORUS NOMAD CHORUS LSND 90/99% SuperK 90/99% MINOS K2K
More information1 Neutrinos. 1.1 Introduction
1 Neutrinos 1.1 Introduction It was a desperate attempt to rescue energy and angular momentum conservation in beta decay when Wolfgang Pauli postulated the existence of a new elusive particle, the neutrino.
More informationNeutrino Masses and Mixing
Neutrino Masses and Mixing < Why so different??? (Harrison, Perkins, Scott 1999) The Mass Puzzle Seesaw mechanism L R m m D m 2 D M m D M m D L R M Heavy Majorana Neutrino Connection with high mass scales
More informationNeutrinos and Cosmos. Hitoshi Murayama (Berkeley) Texas Conference at Stanford Dec 17, 2004
Neutrinos and Cosmos Hitoshi Murayama (Berkeley) Texas Conference at Stanford Dec 17, 2004 Outline A Little Historical Perspective Interpretation of Data & Seven Questions Matter Anti-Matter Asymmetry
More informationJarek Nowak University of Minnesota. High Energy seminar, University of Virginia
Jarek Nowak University of Minnesota High Energy seminar, University of Virginia Properties of massive neutrinos in the Standard Model. Electromagnetic properties of neutrinos. Neutrino magnetic moment.
More informationNeutrino Physics After the Revolution. Boris Kayser PASI 2006 October 26, 2006
Neutrino Physics After the Revolution Boris Kayser PASI 2006 October 26, 2006 1 What We Have Learned 2 The (Mass) 2 Spectrum ν 3 ν 2 ν 1 } Δm 2 sol (Mass) 2 Δm 2 atm or Δm 2 atm ν ν 2 } Δm 2 sol 1 ν 3
More informationNeutrino Physics: Lecture 1
Neutrino Physics: Lecture 1 Overview: discoveries, current status, future Amol Dighe Department of Theoretical Physics Tata Institute of Fundamental Research Feb 1, 2010 Plan of the course Omnipresent
More informationTHE NEUTRINOS. Boris Kayser & Stephen Parke Fermi National Accelerator Laboratory
June 9, 2009 THE NEUTRINOS Boris Kayser & Stephen Parke Fermi National Accelerator Laboratory Recent, irrefutable evidence establishes that the ubiquitous neutrinos have tiny masses. Neutrino mass is physics
More informationNeutrinos. Riazuddin National Centre for Physics Quaid-i-Azam University Campus. Islamabad.
Neutrinos Riazuddin National Centre for Physics Quaid-i-Azam University Campus Islamabad. Neutrino was the first particle postulated by a theoretician: W. Pauli in 1930 to save conservation of energy and
More informationFinding an Upper Bound on Neutrinos Mass
Finding an Upper Bound on Neutrinos Mass Cindy Lin Department of Physics, Drexel University, Philadelphia, PA 19104 August 4, 2013 1 Introduction 1.1 Oscillation - Neutrinos have mass! The electron neutrino
More informationFinding Neutrinos Mass Upper Bound
Finding Neutrinos Mass Upper Bound Cindy Lin Department of Physics, Drexel University, Philadelphia, PA 19104 June 7, 2013 1 Introduction 1.1 Oscillation - Neutrinos have mass! The electron neutrino is
More information-> to worldwide experiments searching for neutrinoless double beta decay
From Baksan to -> A.Smolnikov International Session-Conference of RAS "Physics of fundamental interactions dedicated to 50th anniversary of Baksan Neutrino Observatory, Nalchik, Russia, June 6-8, 2017
More informationMinimal Extension of the Standard Model of Particle Physics. Dmitry Gorbunov
Minimal Extension of the Standard Model of Particle Physics Dmitry Gorbunov Institute for Nuclear Research, Moscow, Russia 14th Lomonosov Conference on Elementary Paticle Physics, Moscow, MSU, 21.08.2009
More informationNeutrinos as a Unique Probe: cm
Neutrinos as a Unique Probe: 10 33 10 +28 cm Particle Physics νn, µn, en scattering: existence/properties of quarks, QCD Weak decays (n pe ν e, µ e ν µ ν e ): Fermi theory, parity violation, quark mixing
More informationUniversity College London. Frank Deppisch. University College London
Frank Deppisch f.deppisch@ucl.ac.uk University College London Nuclear Particle Astrophysics Seminar Yale 03/06/2014 Neutrinos Oscillations Absolute Mass Neutrinoless Double Beta Decay Neutrinos in Cosmology
More informationConsiderations for future neutrinoless double beta decay experiments
Considerations for future neutrinoless double beta decay experiments Table 4: IHE characteristics for the different candidates. For each isotope we quote the type of scintillating crystal, the total mass
More informationHenry Primakoff Lecture: Neutrinoless Double-Beta Decay
Henry Primakoff Lecture: Neutrinoless Double-Beta Decay CENPA Center for Experimental Nuclear Physics and Astrophysics University of Washington Renewed Impetus for 0νββ The recent discoveries of atmospheric,
More informationTwo Neutrino Double Beta (2νββ) Decays into Excited States
Two Neutrino Double Beta (2νββ) Decays into Excited States International School of Subnuclear Physics 54 th Course: The new physics frontiers in the LHC-2 era Erice, 17/06/2016 Björn Lehnert TU-Dresden,
More informationMajorana Double Beta Decay Search Project (Majorana Demonstrator)
Majorana Double Beta Decay Search Project (Majorana Demonstrator) Sergey Vasilyev University of Tennessee, Knoxville Seminar 03/26/2014 1 Outline Neutrino properties (short) Introduction to double-beta
More informationThe GERmanium Detector Array
The GERmanium Detector Array n n ν=v p e - e - p Outline: Exp. issues of 0νββ-decay of 76 Ge Concept of GERDA Status of the experiment Summary and conclusions Kevin Kröninger (Max-Planck-Institut für Physik,
More informationWhat We Know, and What We Would Like To Find Out. Boris Kayser Minnesota October 23,
What We Know, and What We Would Like To Find Out Boris Kayser Minnesota October 23, 2008 1 In the last decade, observations of neutrino oscillation have established that Neutrinos have nonzero masses and
More informationNeutrinoless Double Beta Decay for Particle Physicists
Neutrinoless Double Beta Decay for Particle Physicists GK PhD Presentation Björn Lehnert Institut für Kern- und Teilchenphysik Berlin, 04/10/2011 About this talk Double beta decay: Particle physics implications
More informationSearch for Heavy Majorana Neutrinos
Search for Heavy Majorana Neutrinos Workshop on Lepton Baryon Number Violation Madison, WI Anupama Atre Fermilab Outline A Brief Introduction: What we know about neutrinos Simplest extension The Search
More informationR. D. McKeown. Jefferson Lab College of William and Mary
R. D. McKeown Jefferson Lab College of William and Mary Jlab User Meeting, June 2010 1 The Standard Model Renormalizable Gauge Theory Spontaneous Symmetry Breaking n 1 n 2 n 3 Massless g,g Higgs Particle
More informationLecture 18 - Beyond the Standard Model
Lecture 18 - Beyond the Standard Model Why is the Standard Model incomplete? Grand Unification Baryon and Lepton Number Violation More Higgs Bosons? Supersymmetry (SUSY) Experimental signatures for SUSY
More informationDesign, Construction, Operation, and Simulation of a Radioactivity Assay Chamber
Design, Construction, Operation, and Simulation of a Radioactivity Assay Chamber Wesley Ketchum and Abe Reddy EWI Group, UW REU 2006 Outline Neutrino Physics Background Double Beta Decay and the Majorana
More informationRecent Discoveries in Neutrino Physics
Recent Discoveries in Neutrino Physics Experiments with Reactor Antineutrinos Karsten Heeger http://neutrino.physics.wisc.edu/ Karsten Heeger, Univ. of Wisconsin NUSS, July 13, 2009 Standard Model and
More informationNeutrino Physics: an Introduction
Neutrino Physics: an Introduction Lecture 1: Detection and basic properties Amol Dighe Department of Theoretical Physics Tata Institute of Fundamental Research, Mumbai SERC EHEP School 2017, NISER, Bhubaneswar,
More informationNicholas I Chott PHYS 730 Fall 2011
Nicholas I Chott PHYS 730 Fall 2011 The Standard Model What is Beta-Decay? Beta decay leads to ν discovery Early History of the Double Beta Decay Why is 0νββ Important? ββ-decay 2νββ vs. 0νββ Conclusion
More informationNeutrinos From The Sky and Through the Earth
Neutrinos From The Sky and Through the Earth Kate Scholberg, Duke University DNP Meeting, October 2016 Neutrino Oscillation Nobel Prize! The fourth Nobel for neutrinos: 1988: neutrino flavor 1995: discovery
More informationParticle Physics: Neutrinos part II
Particle Physics: Neutrinos part II José I. Crespo-Anadón Week 9: April 1, 2017 Columbia University Science Honors Program Course Policies Attendance Up to four absences Send email notifications of all
More informationGERDA: The GERmanium Detector Array for the search for neutrinoless decays of 76 Ge. Allen Caldwell Max-Planck-Institut für Physik
GERDA: The GERmanium Detector Array for the search for neutrinoless decays of 76 Ge Allen Caldwell Max-Planck-Institut für Physik What we know Mass Scale NORMAL INVERTED m 12 2 known m 13 2 known Mixing
More informationThe Nature and Magnitude of Neutrino Mass
The Nature and Magnitude of Neutrino Mass Kaushik Roy Stony Brook University September 14 2015 Outline What we know Our current knowledge regarding neutrino masses. What we do not know Open questions related
More informationThe Standard Model of particle physics and beyond
The Standard Model of particle physics and beyond - Lecture 3: Beyond the Standard Model Avelino Vicente IFIC CSIC / U. Valencia Physics and astrophysics of cosmic rays in space Milano September 2016 1
More informationReminder : scenarios of light new physics
Reminder : scenarios of light new physics No new particle EW scale postulated Heavy neutral lepton AND well motivated! Neutrino masses Matter-antimatter asymmetry Dark matter Dark photon Muon g-2 anomaly
More informationOverview of mass hierarchy, CP violation and leptogenesis.
Overview of mass hierarchy, CP violation and leptogenesis. (Theory and Phenomenology) Walter Winter DESY International Workshop on Next Generation Nucleon Decay and Neutrino Detectors (NNN 2016) 3-5 November
More informationNeutrino Physics II. Neutrino Phenomenology. Arcadi Santamaria. TAE 2014, Benasque, September 19, IFIC/Univ. València
Neutrino Physics II Neutrino Phenomenology Arcadi Santamaria IFIC/Univ. València TAE 2014, Benasque, September 19, 2014 Neutrino Physics II Outline 1 Neutrino oscillations phenomenology Solar neutrinos
More informationSOME COMMENTS ON CP-VIOLATION AND LEPTOGENESIS
Marco Drewes TU München 23. 8. 2016, NuFact, Quy Nhon, Vietnam 1 / 7 The Standard Model and General Relativity together explain almost all phenomena observed in nature, but... gravity is not quantised
More informationNeutrinoless Double-Beta Decay
Neutrinoless Double-Beta Decay Michal Tarka Stony Brook University ELBA XIV, 27 June 2016 Outline Neutrinoless double-beta decay (0νββ) Historical background & Motivation Neutrino masses Overview of (2νββ
More informationUniversity College London. Frank Deppisch. University College London
Frank Deppisch f.deppisch@ucl.ac.uk University College London BLV 2017 Case Western Reserve U. 15-18 May 2017 Origin of neutrino masses beyond the Standard Model Two possibilities to define neutrino mass
More informationLecture 03. The Standard Model of Particle Physics. Part III Extensions of the Standard Model
Lecture 03 The Standard Model of Particle Physics Part III Extensions of the Standard Model Where the SM Works Excellent description of 3 of the 4 fundamental forces Explains nuclear structure, quark confinement,
More informationNeutrinos and the Universe
Neutrinos and the Universe Susan Cartwright University of Sheffield Neutrinos and the Universe Discovering neutrinos Detecting neutrinos Neutrinos and the Sun Neutrinos and Supernovae Neutrinos and Dark
More informationNEUTRINO PROPERTIES PROBED BY LEPTON NUMBER VIOLATING PROCESSES AT LOW AND HIGH ENERGIES *
NEUTRINO PROPERTIES PROBED BY LEPTON NUMBER VIOLATING PROCESSES AT LOW AND HIGH ENERGIES * S. STOICA Horia Hulubei Fondation, P.O.Box MG-1, RO-07715 Bucharest-Magurele, Romania, E-mail: sabin.stoica@unescochair-hhf.ro
More informationThose invisible neutrinos
Those invisible neutrinos and their astroparticle physics Amol Dighe Department of Theoretical Physics Tata Institute of Fundamental Research, Mumbai Bhoutics, IITM, March 31st, 2017 Those invisible neutrinos...
More informationThe Matter-Antimatter Asymmetry and New Interactions
The Matter-Antimatter Asymmetry and New Interactions The baryon (matter) asymmetry The Sakharov conditions Possible mechanisms A new very weak interaction Recent Reviews M. Trodden, Electroweak baryogenesis,
More informationToday. Neutrinos Next: Neutrinos and the New Paradigm Neutrinos and the Unexpected Neutrinos and the Cosmos
The plan: Neutrinos Now... Today Neutrinos Next: Neutrinos and the New Paradigm Neutrinos and the Unexpected Neutrinos and the Cosmos Neutrino Opportunities Tomorrow Today Tomorrow Tomorrow 1 Neutrinos
More informationNeutrinos: 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
More informationStatus and prospects of neutrino oscillations
Status and prospects of neutrino oscillations S. Bilenky JINR(Dubna)TRIUMF June 10, 2017 The award of the 2015 Nobel Prize to T. Kajita and A. McDonald for the discovery of neutrino oscillations, which
More informationThe GERDA Experiment:
The GERDA Experiment: a search for neutrinoless double beta decay Max-Planck-Institute for Physics, Munich now at University of Wisconsin, Madison on behalf of the GERDA Collaboration Outline: Motivation
More informationGERDA experiment A search for neutrinoless double beta decay. Roberto Santorelli (Physik-Institut der Universität Zürich)
GERDA experiment A search for neutrinoless double beta decay Roberto Santorelli (Physik-Institut der Universität Zürich) on behalf of the GERDA collaboration ÖPG/SPS/ÖGAA meeting 04/09/09 Neutrinos mixing
More informationNeutrinos, Oscillations and New Physics: An Introduction
Neutrinos, Oscillations and New Physics: An Introduction Rex Tayloe Indiana University, Dept. of Physics, Bloontington, Indiana, 47405 Abstract. An introduction to the neutrino and neutrino oscillations
More informationEXPLORING PARTICLE-ANTIPARTICLE ASYMMETRY IN NEUTRINO OSCILLATION. Atsuko K. Ichikawa, Kyoto University
EXPLORING PARTICLE-ANTIPARTICLE ASYMMETRY IN NEUTRINO OSCILLATION Atsuko K. Ichikawa, Kyoto University Got PhD by detecting doubly-strange nuclei using emulsion After that, working on accelerator-based
More informationMeasuring the neutrino mass hierarchy with atmospheric neutrinos in IceCube(-Gen2)
Measuring the neutrino mass hierarchy with atmospheric neutrinos in IceCube(-Gen2) Beyond the Standard Model with Neutrinos and Nuclear Physics Solvay Workshop November 30, 2017 Darren R Grant The atmospheric
More informationFlavor Models with Sterile Neutrinos. NuFact 11 Geneva, Aug, He Zhang
Flavor Models with Sterile Neutrinos NuFact 11 Geneva, Aug, 2011 Contents: Sterile neutrinos in ν-osc. and 0νββ decays Mechanisms for light sterile neutrino masses Flavor symmetry with sterile neutrinos
More informationParticle Physics: Neutrinos part II
Particle Physics: Neutrinos part II José I. Crespo-Anadón Week 9: November 18, 2017 Columbia University Science Honors Program 3 evidences for 3 neutrinos 2 3 neutrinos: 3 charged leptons Neutrinos are
More informationStatus and Perspectives of the COBRA-Experiment
Status and Perspectives of the COBRA-Experiment Jan Tebrügge for the COBRA Collaboration Status and Perspectives of the COBRA-Experiment Jan Tebrügge beta decays for thedouble COBRA Collaboration CdZnTe
More informationBackground rejection techniques in Germanium 0νββ-decay experiments. ν=v
Background rejection techniques in Germanium 0νββ-decay experiments n p ν=v n eep II. Physikalisches Institut Universität Göttingen Institutsseminar des Inst. für Kern- und Teilchenphysik, Outline Neutrinos
More informationF. TASNÁDI LINKÖPING UNIVERSITY THEORETICAL PHYSICS NEUTRINO OSCILLATIONS & MASS
F. TASNÁDI LINKÖPING UNIVERSITY THEORETICAL PHYSICS NEUTRINO OSCILLATIONS & MASS the fundamental discoveries in physics con4nues 1 CONGRATULATIONS - NOBEL PRIZE IN PHYSICS 2016 the secrets of exotic matter
More informationNEUTRINOS. Concha Gonzalez-Garcia. San Feliu, June (Stony Brook-USA and IFIC-Valencia)
NEUTRINOS (Stony Brook-USA and IFIC-Valencia San Feliu, June 2004 Plan of Lectures I. Standard Neutrino Properties and Mass Terms (Beyond Standard II. Neutrino Oscillations III. The Data and Its Interpretation
More informationPPC Ge detectors for dark matter, neutrino-less double beta decay and CNS measurements
PPC Ge detectors for dark matter, neutrino-less double beta decay and CNS measurements Ryan Martin, Queen s University Coherent Neutrino Scattering Experiment Workshop, Texas A&M 12 November 2015 R. Martin,
More informationRecent Discoveries in Neutrino Oscillation Physics & Prospects for the Future
Recent Discoveries in Neutrino Oscillation Physics & Prospects for the Future Karsten M. Heeger Lawrence Berkeley National Laboratory 8 7 6 5 4 3 2 1 SNO φ ES SNO φ CC SNO φ NC SSM φ NC 0 0 1 2 3 4 5 6
More informationDouble Beta Decay Committee to Assess the Science Proposed for a Deep Underground Science and Engineering Laboratory (DUSEL) December 14-15, 2010
Committee to Assess the Science Proposed for a Deep Underground Science and Engineering Laboratory (DUSEL) December 14-15, 2010 Steve Elliott Steve Elliott Neutrinos Matrix Elements The Need for Multiple
More informationTeV-scale type-i+ii seesaw mechanism and its collider signatures at the LHC
TeV-scale type-i+ii seesaw mechanism and its collider signatures at the LHC Wei Chao (IHEP) Outline Brief overview of neutrino mass models. Introduction to a TeV-scale type-i+ii seesaw model. EW precision
More informationX N 1. + e X N+1. + e +
Beta decay: the neutrino One of the most pervasive forms of mauer in the universe, yet it is also one of the most elusive! inverse beta processes Shortly amer publica:on of the Fermi theory of beta decay,
More informationNeutrinos in Nuclear Physics
Neutrinos in Nuclear Physics R. D. McKeown Jefferson Lab, Newport News, VA, USA Department of Physics, College of William and Mary, Williamsburg, VA, USA DOI: http://dx.doi.org/10.3204/desy-proc-2014-04/305
More informationStatus of CUORE and Results from CUORICINO. SERGIO DI DOMIZIO UNIVERSITÀ & INFN GENOVA On behalf of the CUORE Collaboration
Status of CUORE and Results from CUORICINO SERGIO DI DOMIZIO UNIVERSITÀ & INFN GENOVA On behalf of the CUORE Collaboration 11th Seminar on Innovative Particle and Radiation Detectors Siena, 1 October 2008
More informationMarco Drewes, Université catholique de Louvain. The Other Neutrinos IAP Meeting. Université libre de Bruxelles
Marco Drewes, Université catholique de Louvain The Other Neutrinos 21.12.2017 IAP Meeting Université libre de Bruxelles The Standard Model of Particle 125 GeV The periodic table of elementary particles
More informationFirst results on neutrinoless double beta decay of 82 Se with CUPID-0
First results on neutrinoless double beta decay of 82 Se with CUPID-0 Lorenzo Pagnanini on behalf of the CUPID-0 collaboration 30 th Rencontres de Blois CUPID: a next generation experiment CUPID (CUORE
More informationK. Zuber, TU Dresden INT, Double beta decay experiments
, TU Dresden INT, 3.6. 2015 Double beta decay experiments Double beta decay (A,Z) (A,Z+2) +2 e - + 2ν e (A,Z) (A,Z+2) + 2 e - - 2νββ 0νββ Unique process to measure character of neutrino The smaller the
More informationBackground Free Search for 0 Decay of 76Ge with GERDA
Background Free Search for 0 Decay of 76Ge with GERDA Victoria Wagner for the GERDA collaboration Max-Planck-Institut für Kernphysik Rencontres de Moriond, Electro Weak La Thuile, March 24 2017 The GERDA
More informationDetecting Neutrinos Hamish Robertson, INT Summer School, Seattle 2009
Detecting Neutrinos Hamish Robertson, INT Summer School, Seattle 2009 A Brief History of Neutrinos 1930 Pauli s desperate remedy. 1938 Bethe & Critchfield explain the sun s power. 1956 Parity violation
More informationNeutrino vs antineutrino. Lepton number
Introduction to Elementary Particle Physics. Note 18 Page 1 of Neutrino vs antineutrino Neutrino is a neutral particle a legitimate question: are neutrino and anti-neutrino the same particle? Compare:
More informationFuture Reactor Expts. The Challenge. DoubleChooz. In France. Stanley Wojcicki. Far Detector m ~50 events/day
Future Reactor Expts The Challenge ND FD Near Detector - 410 m ~400 events/day Far Detector - 1050 m ~50 events/day DoubleChooz In France 64 Future Reactor Expts The Challenge Daya Bay ND FD Near Detector
More informationNeutrino Mass Models
Neutrino Mass Models S Uma Sankar Department of Physics Indian Institute of Technology Bombay Mumbai, India S. Uma Sankar (IITB) IWAAP-17, BARC (Mumbai) 01 December 2017 1 / 15 Neutrino Masses LEP experiments
More informationElementary Particles, Flavour Physics and all that...
Elementary Particles, Flavour Physics and all that... 1 Flavour Physics The term Flavour physics was coined in 1971 by Murray Gell-Mann and his student at the time, Harald Fritzsch, at a Baskin-Robbins
More informationThe Majorana Neutrinoless Double-Beta Decay Experiment
The Majorana Neutrinoless Double-Beta Decay Experiment A proposed detector to search for neutrinoless double-beta decay Reyco Henning Lawrence Berkeley National Laboratory for the Majorana Collaboration
More informationThe Effect of Cancellation in Neutrinoless Double Beta Decay
The Effect of Cancellation in Neutrinoless Double Beta Decay Manimala Mitra IPPP, Durham University July 24, 204 SUSY 204, Manchester arxiv:30.628, Manimala Mitra, Silvia Pascoli, Steven Wong Manimala
More informationNeutrinos in Astrophysics and Cosmology
Crab Nebula Neutrinos in Astrophysics and Cosmology Introductory Remarks Georg G. Raffelt Max-Planck-Institut für Physik, München, Germany Periodic System of Elementary Particles Quarks Charge -1/3 Charge
More informationNeutrinos. Thanks to Ian Blockland and Randy Sobie for these slides. spin particle with no electric charge; weak isospin partners of charged leptons
Neutrinos Thanks to Ian Blockland and Randy Sobie for these slides spin particle with no electric charge; weak isospin partners of charged leptons observed in 193, in 1962 and in the 199s neutrino physics
More informationThe NOνA Experiment and the Future of Neutrino Oscillations
f Axis The NOνA Experiment and the Future of Neutrino Oscillations NOνA SLAC 26 January 2006 Gary Feldman Why are Neutrinos Particularly Interesting? Masses are anomalously low From CMB data m ν < 0.2
More informationNeutrino Masses SU(3) C U(1) EM, (1.2) φ(1, 2) +1/2. (1.3)
Neutrino Masses Contents I. The renormalizable Standard Model 1 II. The non-renormalizable Standard Model III. The See-Saw Mechanism 4 IV. Vacuum Oscillations 5 V. The MSW effect 7 VI. Experimental results
More informationNeutrinos and Fundamental Symmetries: L, CP, and CP T
Neutrinos and Fundamental Symmetries: L, CP, and CP T Outstanding issues Lepton number (L) CP violation CP T violation Outstanding issues in neutrino intrinsic properties Scale of underlying physics? (string,
More informationBeyond the Standard Model
Beyond the Standard Model The Standard Model Problems with the Standard Model New Physics Supersymmetry Extended Electroweak Symmetry Grand Unification References: 2008 TASI lectures: arxiv:0901.0241 [hep-ph]
More informationMarch 30, 01 Lecture 5 of 6 @ ORICL Philosophical Society Yuri Kamyshkov/ University of Tennessee email: kamyshkov@utk.edu 1. Concept/misconception of mass in Special Relativity (March,9). and n Oscillations:
More informationTesting the low scale seesaw and leptogenesis
based on 1606.6690 and 1609.09069 with Marco Drewes, Björn Garbrecht and Juraj Klarić Bielefeld, 18. May 2017 Remaining puzzles of the universe BAU baryon asymmetry of the universe WMAP, Planck and Big
More informationUnderstanding the Particle Nature of Neutrinos
Understanding the Particle Nature of Neutrinos Karsten M. Heeger Lawrence Berkeley National Laboratory U e2 U µ2 * S = 2J U e3 U µ3 * U e1 U µ1 * Particle Properties Interactions Flavors & States Charge
More informationResults from EXO 200. Journal of Physics: Conference Series. Related content PAPER OPEN ACCESS
Journal of Physics: Conference Series PAPER OPEN ACCESS Results from EXO 200 To cite this article: D J Auty and EXO-200 Collaboration 2015 J. Phys.: Conf. Ser. 598 012012 Related content - ON VARIABLE
More informationNeutrinoless Double Beta Decay. Phys 135c Spring 2007 Michael Mendenhall
Neutrinoless Double Beta Decay Phys 135c Spring 2007 Michael Mendenhall Theory Overview neutrino Lagrangian ν c iγ 2 γ 0 ν T L ν = M D [ν R ν L + ν c LνR] c }{{} + M L [ν c Lν L + ν L νl] c + M R [ν c
More informationNeutrinos and CP Violation. Silvia Pascoli
0 Neutrinos and CP Violation XI Internat.Workshop on Neutrino Telescopes Venezia - 23 February 2005 Silvia Pascoli CERN Outline Outline Theoretical aspects of Dirac and Majorana CPV phases Determining
More informationChart of Elementary Particles
Chart of Elementary Particles Chart of Elementary Particles Better Chart! Better Chart! As of today: Oscillation of 3 massive active neutrinos is clearly the dominant effect: If neutrinos have mass: For
More informationParticle Physics: Neutrinos part I
Particle Physics: Neutrinos part I José I. Crespo-Anadón Week 8: November 10, 2017 Columbia University Science Honors Program Course policies Attendance record counts Up to four absences Lateness or leaving
More informationDouble Beta Decay: Physics, Recollections, and Future. Boris Kayser CISNP May 16, 2008
Double Beta Decay: Physics, Recollections, and Future Boris Kayser CISNP May 16, 2008 1 Are Neutrinos Majorana Particles? (Does ν = ν?) 2 What Is the Question? For each mass eigenstate ν i, does or ν i
More informationarxiv:hep-ph/ v1 26 Jul 2006
Neutrino mass and baryogenesis arxiv:hep-ph/0607287v1 26 Jul 2006 D. Falcone Dipartimento di Scienze Fisiche, Università di Napoli, Via Cintia, Napoli, Italy A brief overview of the phenomenology related
More informationKinematic searches. Relativity. Uncertainty. Best candidate: Using molecular tritium, daughter will be Kai Zuber 25
Kinematic searches Relativity Uncertainty Best candidate: Using molecular tritium, daughter will be 12.06.2014 Kai Zuber 25 Tritium beta decay Half-life :12.3 years Matrix element: 5.55 Endpoint energy:
More informationOverview of cosmological constraints on neutrino mass, number, and types
Overview of cosmological constraints on neutrino mass, number, and types Preliminaries Big Bang Nucleosynthesis Large Scale Structure and CMB Brief Comments Supernovae Magnetic Moments Decays Ultra High
More informationLecture 8. CPT theorem and CP violation
Lecture 8 CPT theorem and CP violation We have seen that although both charge conjugation and parity are violated in weak interactions, the combination of the two CP turns left-handed antimuon onto right-handed
More informationLeptogenesis with Composite Neutrinos
Leptogenesis with Composite Neutrinos Based on arxiv:0811.0871 In collaboration with Yuval Grossman Cornell University Friday Lunch Talk Yuhsin Tsai, Cornell University/CIHEP Leptogenesis with Composite
More information