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MiniBooNE, a neutrino oscillation experiment at Fermilab

MiniBooNE, a neutrino oscillation experiment at Fermilab. Teppei Katori for the MiniBooNE collaboration Massachusetts Institute of Technology U-Maryland Nuclear/HEP seminar, College Park, October, 5, 2010. MiniBooNE, a neutrino oscillation experiment at Fermilab.

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MiniBooNE, a neutrino oscillation experiment at Fermilab

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  1. MiniBooNE, a neutrino oscillation experiment at Fermilab Teppei Katori for the MiniBooNE collaboration Massachusetts Institute of Technology U-Maryland Nuclear/HEP seminar, College Park, October, 5, 2010 Teppei Katori, MIT

  2. MiniBooNE, a neutrino oscillation experiment at Fermilab • Outline • Introduction • 2. Neutrino beam • 3. Events in the detector • 4. Cross section model • 5. Oscillation analysis and result • 6. New Low energy excess result • 7. Anti-neutrino oscillation result • 8. Neutrino disappearance result • 9. Outlook Teppei Katori, MIT

  3. 1. Introduction 2. Neutrino beam 3. Events in the detector 4. Cross section model 5. Oscillation analysis and result 6. New Low energy excess result 7. Anti-neutrino oscillation result 8. Neutrino disappearance result 9. Outlook Teppei Katori, MIT

  4. 1. Neutrino oscillation The neutrino weak eigenstate is described by neutrino Hamiltonian eigenstates, n1, n2, and n3 and their mixing matrix elements. The time evolution of neutrino weak eigenstate is written by Hamiltonian mixing matrix elements and eigenvalues of n1, n2, and n3. Then the transition probability from weak eigenstate nmto ne is (no CP violation) So far, model independent Teppei Katori, MIT

  5. 1. Neutrino oscillation From here, model dependent formalism. In the vacuum, 2 neutrino state effective Hamiltonian has a form, Therefore, 2 massive neutrino oscillation model is Or, conventional form Teppei Katori, MIT

  6. nm 1. Neutrino oscillation Neutrino oscillation is an interference experiment (cf. double slit experiment) light source slit screen nm If 2 neutrino Hamiltonian eigenstates, n1 and n2, have different phase rotation, they cause quantum interference. Teppei Katori, MIT

  7. n1 n2 nm n1 n2 1. Neutrino oscillation Neutrino oscillation is an interference experiment (cf. double slit experiment) Um1 nm Ue1* If 2 neutrino Hamiltonian eigenstates, n1 and n2, have different phase rotation, they cause quantum interference. For massive neutrino model, if n2 is heavier than n1, they have different group velocities hence different phase rotation, thus the superposition of those 2 wave packet no longer makes same state Teppei Katori, MIT

  8. n1 n2 ne n1 n2 1. Neutrino oscillation Neutrino oscillation is an interference experiment (cf. double slit experiment) Um1 nm Ue1* ne If 2 neutrino Hamiltonian eigenstates, n1 and n2, have different phase rotation, they cause quantum interference. For massive neutrino model, if n2 is heavier than n1, they have different group velocities hence different phase rotation, thus the superposition of those 2 wave packet no longer makes same state Teppei Katori, MIT

  9. LSND Collaboration, PRD 64, 112007 L/E~30m/30MeV~1 LSND signal 1. LSND experiment LSND experiment at Los Alamos observed excess of anti-electron neutrino events in the anti-muon neutrino beam. 87.9 ± 22.4 ± 6.0 (3.8.s) Teppei Katori, MIT

  10. 1. LSND experiment Dm132 = Dm122 + Dm232 increasing (mass) 2 3 types of neutrino oscillations are found: LSND neutrino oscillation: Dm2~1eV2 Atmospheric neutrino oscillation: Dm2~10-3eV2 Solar neutrino oscillation : Dm2~10-5eV2 But we cannot have so many Dm2! We need to test LSND signal MiniBooNE experiment is designed to have same L/E~500m/500MeV~1 to test LSND Dm2~1eV2 Teppei Katori, MIT

  11. 1. MiniBooNE experiment nm ne??? FNAL Booster target and horn decay region absorber detector K+ p+ Booster dirt primary beam secondary beam tertiary beam (protons) (mesons) (neutrinos) Keep L/E same with LSND, while changing systematics, energy & event signature; P(nm-ne)= sin22q sin2(1.27Dm2L/E) MiniBooNE is looking for the single isolated electron like events, which is the signature of neevents MiniBooNE has; - higher energy (~500 MeV) than LSND (~30 MeV) - longer baseline (~500 m) than LSND (~30 m) Teppei Katori, MIT

  12. 1. Introduction 2. Neutrino beam 3. Events in the detector 4. Cross section model 5. Oscillation analysis and result 6. New Low energy excess result 7. Anti-neutrino oscillation result 8. Neutrino disappearance result 9. Outlook Teppei Katori, MIT

  13. 2. Neutrino beam MiniBooNE collaboration, PRD79(2009)072002 Booster Target Hall FNAL Booster target and horn decay region absorber detector dirt nm ne??? K+ p+ Booster primary beam secondary beam tertiary beam (protons) (mesons) (neutrinos) MiniBooNE extracts beam from the 8 GeV Booster Teppei Katori, MIT

  14. 2. Neutrino beam MiniBooNE collaboration, PRD79(2009)072002 Magnetic focusing horn nm ne??? FNAL Booster target and horn decay region absorber detector K+ p+ Booster dirt primary beam secondary beam tertiary beam (protons) (mesons) (neutrinos) 8GeV protons are delivered to a 1.7 l Be target within a magnetic horn (2.5 kV, 174 kA) that increases the flux by  6 p- p+ p+ p- Teppei Katori, MIT

  15. 2. Neutrino beam MiniBooNE collaboration, PRD79(2009)072002 HARP experiment (CERN) nm ne??? target and horn FNAL Booster decay region absorber detector K+ p+ Booster dirt primary beam secondary beam tertiary beam (protons) (mesons) (neutrinos) Modeling of meson production is based on the measurement done by HARP collaboration. - Identical, but 5% l Beryllium target - 8.9 GeV/c proton beam momentum HARP collaboration, Eur.Phys.J.C52(2007)29 Teppei Katori, MIT

  16. 2. Neutrino beam MiniBooNE collaboration, PRD79(2009)072002 HARP experiment (CERN) nm ne??? FNAL Booster target and horn decay region absorber detector K+ p+ Booster dirt primary beam secondary beam tertiary beam (protons) (mesons) (neutrinos) Modeling of meson production is based on the measurement done by HARP collaboration. - Identical, but 5% l Beryllium target - 8.9 GeV/c proton beam momentum HARP collaboration, Eur.Phys.J.C52(2007)29 Booster neutrino beamline pion kinematic space HARP kinematic coverage Majority of pions create neutrinos in MiniBooNE are directly measured by HARP (>80%) Teppei Katori, MIT

  17. 2. Neutrino beam MiniBooNE collaboration, PRD79(2009)072002 HARP experiment (CERN) nm ne??? FNAL Booster target and horn decay region absorber detector K+ p+ Booster dirt primary beam secondary beam tertiary beam (protons) (mesons) (neutrinos) Modeling of meson production is based on the measurement done by HARP collaboration. - Identical, but 5% l Beryllium target - 8.9 GeV/cproton beam momentum HARP collaboration, Eur.Phys.J.C52(2007)29 HARP data with 8.9 GeV/c proton beam momentum mb Majority of pions create neutrinos in MiniBooNE are directly measured by HARP (>80%) pp(GeV) mb The error on the HARP data (~7%) directly propagates. The neutrino flux error is the dominant source of normalization error for an absolute cross section in MiniBooNE, however it doesn’t affect oscillation analysis. Teppei Katori, MIT pp(GeV)

  18. 2. Neutrino beam MiniBooNE collaboration, PRD79(2009)072002 p m nm Km nm nm ne??? FNAL Booster target and horn decay region absorber detector K+ p+ Booster m e nm ne Kp e ne dirt primary beam secondary beam tertiary beam (protons) (mesons) (neutrinos) Neutrino flux from simulation by GEANT4 MiniBooNE is the ne (anti ne) appearance oscillation experiment, so we need to know the distribution of beam origin ne and anti ne (intrinsic ne) Teppei Katori, MIT

  19. 1. Introduction 2. Neutrino beam 3. Events in the detector 4. Cross section model 5. Oscillation analysis and result 6. New Low energy excess result 7. Anti-neutrino oscillation result 8. Neutrino disappearance result 9. Outlook Teppei Katori, MIT

  20. MiniBooNE collaboration, NIM.A599(2009)28 nm ne??? FNAL Booster target and horn decay region absorber detector K+ p+ Booster dirt primary beam secondary beam tertiary beam (protons) (mesons) (neutrinos) 3. Events in the Detector • The MiniBooNE Detector • - 541 meters downstream of target • - 3 meter overburden • - 12 meter diameter sphere • (10 meter “fiducial” volume) • - Filled with 800 t of pure mineral oil (CH2) • (Fiducial volume: 450 t) • - 1280 inner phototubes, • - 240 veto phototubes • Simulated with a GEANT3 Monte Carlo Teppei Katori, MIT

  21. MiniBooNE collaboration, NIM.A599(2009)28 3. Events in the Detector • The MiniBooNE Detector • - 541 meters downstream of target • - 3 meter overburden • - 12 meter diameter sphere • (10 meter “fiducial” volume) • - Filled with 800 t of pure mineral oil (CH2) • (Fiducial volume: 450 t) • - 1280 inner phototubes, • - 240 veto phototubes • Simulated with a GEANT3 Monte Carlo 541 meters Booster Teppei Katori, MIT

  22. MiniBooNE collaboration, NIM.A599(2009)28 3. Events in the Detector • The MiniBooNE Detector • - 541 meters downstream of target • - 3 meter overburden • - 12 meter diameter sphere • (10 meter “fiducial” volume) • - Filled with 800 t of pure mineral oil (CH2) • (Fiducial volume: 450 t) • - 1280 inner phototubes, • - 240 veto phototubes • Simulated with a GEANT3 Monte Carlo Teppei Katori, MIT

  23. MiniBooNE collaboration, NIM.A599(2009)28 3. Events in the Detector • The MiniBooNE Detector • - 541 meters downstream of target • - 3 meter overburden • - 12 meter diameter sphere • (10 meter “fiducial” volume) • - Filled with 800 t of pure mineral oil (CH2) • (Fiducial volume: 450 t) • - 1280 inner phototubes, • - 240 veto phototubes • Simulated with a GEANT3 Monte Carlo Teppei Katori, MIT

  24. MiniBooNE collaboration, NIM.A599(2009)28 3. Events in the Detector • The MiniBooNE Detector • - 541 meters downstream of target • - 3 meter overburden • - 12 meter diameter sphere • (10 meter “fiducial” volume) • - Filled with 800 t of pure mineral oil (CH2) • (Fiducial volume: 450 t) • - 1280 inner phototubes, • - 240 veto phototubes • Simulated with a GEANT3 Monte Carlo Teppei Katori, MIT

  25. 3. Events in the Detector MiniBooNE collaboration, NIM.A599(2009)28 • Muons • Sharp, clear rings • Long, straight tracks • Electrons • Scattered rings • Multiple scattering • Radiative processes • Neutral Pions • Double rings • Decays to two photons Teppei Katori, MIT

  26. 3. Events in the Detector MiniBooNE collaboration, NIM.A599(2009)28 • Muons • Sharp, clear rings • Long, straight tracks • Electrons • Scattered rings • Multiple scattering • Radiative processes • Neutral Pions • Double rings • Decays to two photons Teppei Katori, MIT

  27. 3. Events in the Detector MiniBooNE collaboration, NIM.A599(2009)28 • Muons • Sharp, clear rings • Long, straight tracks • Electrons • Scattered rings • Multiple scattering • Radiative processes • Neutral Pions • Double rings • Decays to two photons Teppei Katori, MIT

  28. 1. Introduction 2. Neutrino beam 3. Events in the detector 4. Cross section model 5. Oscillation analysis and result 6. New Low energy excess result 7. Anti-neutrino oscillation result 8. Neutrino disappearance result 9. Outlook Teppei Katori, MIT

  29. 4. Cross section model Predicted event rates before cuts (NUANCE Monte Carlo) Casper, Nucl.Phys.Proc.Suppl.112(2002)161 Event neutrino energy (GeV) Teppei Katori, MIT

  30. 4. Cross section model Predicted event rates before cuts (NUANCE Monte Carlo) Casper, Nucl.Phys.Proc.Suppl.112(2002)161 Event neutrino energy (GeV) Teppei Katori, MIT

  31. 4. CCQE event measurement CCQE (Charged Current Quasi-Elastic) event nmcharged current quasi-elastic (nmCCQE) interaction is the most abundant (~40%) and the fundamental interaction in MiniBooNE detector MiniBooNE detector (spherical Cherenkov detector) muon like Cherenkov light and subsequent decayed electron (Michel electron) like Cherenkov light are the signal of CCQE event Cherenkov 1 e m n-beam 12C Cherenkov 2 n p (Scintillation) Teppei Katori, MIT

  32. 4. CCQE event measurement Number of tank hits for CCQE event m e 19.2 ms beam trigger window with the 1.6ms spill Multiple hits within a ~100 ns window form “subevents” nm CCQE interactions (n+n m+p) with characteristic two “subevent” structure from stopped mnmnee Teppei Katori, MIT

  33. 4. CCQE event measurement Em m 12C n-beam cosq All kinematics are specified from 2 observables, muon energy Em and muon scattering angle qm Energy of the neutrino EnQEand 4-momentum transfer Q2QEcan be reconstructed by these 2 observables, under the assumption of CCQE interaction with bound neutron at rest (“QE assumption”). CCQE is the signal channel of ne candidate. Teppei Katori, MIT

  34. 4. Relativistic Fermi Gas (RFG) model Smith and Moniz, Nucl.,Phys.,B43(1972)605 Relativistic Fermi Gas (RFG) Model Carbon is described by the collection of incoherent Fermi gas particles. All details come from hadronic tensor. We tuned following 2 parameters using Q2 distribution by least c2 fit; MA = effective axial mass k= Pauli blocking parameter Teppei Katori, MIT

  35. 4. CCQE cross section model tuning MiniBooNE collaboration PRL100(2008)032301 The data-MC agreement in Q2 (4-momentum transfer) is not good We tuned nuclear parameters in Relativistic Fermi Gas model Q2 fits to MBnmCCQE data using the nuclear parameters: MAeff - effective axial mass k- Pauli Blocking parameter Relativistic Fermi Gas Model with tuned parameters describes nmCCQE data well This improved nuclear model is used in ne CCQE model, too. Q2 distribution before and after fitting data with all errors simulation (before fit) simulation (after fit) backgrounds Teppei Katori, MIT

  36. 4. CCQE cross section model tuning Without knowing flux perfectly, we cannot modify cross section model Data-MC ratio for Tm-cosqm plane, before tuning Teppei Katori, MIT

  37. 4. CCQE cross section model tuning Without knowing flux perfectly, we cannot modify cross section model Data-MC mismatching follows Q2 lines, not En lines, therefore we can see the problem is not the flux prediction, but the cross section model Data-MC ratio for Tm-cosqm plane, before tuning Teppei Katori, MIT

  38. 4. CCQE cross section model tuning Without knowing flux perfectly, we cannot modify cross section model Data-MC mismatching follows Q2 lines, not En lines, therefore we can see the problem is not the flux prediction, but the cross section model Data-MC ratio for Tm-cosqm plane, before tuning Data-MC ratio for Tm-cosqm plane,after tuning Teppei Katori, MIT

  39. 4. nmCCQE for oscillation blind analysis • “Intrinsic”ne +nesources: • m+e+nmne (52%) • K+ p0 e+ne (29%) • K0 p e ne (14%) • Other ( 5%) p m nm Km nm Since MiniBooNE is blind analysis experiment, we need to constraint intrinsic ne background without measuring directly m decay ne background is the biggest source of intrinsic ne, we wish to know their distribution without measuring them! m e nm ne Kp e ne ne/nm = 0.5% Antineutrino content: 6% Teppei Katori, MIT

  40. 4. nmCCQE for oscillation blind analysis En (GeV) En = 0.43 Ep Ep(GeV) measure nm flux from nmCCQE event to constraint nebackground from m decay nmCCQE is not “blinded” because we know no ne candidate is in data after nmCCQE cut. Kinematics allows connection topflux, hence intrinsic ne background from m decay is constraint. In the really, simultaneous fit of neCCQE and nmCCQE take care of this. p m nm En-Ep space m e nm ne Teppei Katori, MIT

  41. 4. MiniBooNE cross section results NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov, arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation Teppei Katori, MIT

  42. 4. MiniBooNE cross section results NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov, arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation CCQE double differential cross section - first double differential cross section measurement - observed large absolute cross section Flux-unfolded total cross section Teppei Katori, MIT

  43. 4. MiniBooNE cross section results by Denis Perevalov NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov,arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation Flux-averaged NCE p+n differential cross section - highest statistics cross section measurement - new Ds (strange quark spin) extraction method Teppei Katori, MIT

  44. 4. MiniBooNE cross section results by Colin Anderson NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov, arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation - first differential cross section measurement - observed large absolute cross section NCpo differential cross section (both n and anti-n) Teppei Katori, MIT

  45. 4. MiniBooNE cross section results by Mike Wilking NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov,arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation - first double differential cross section measurement - observed large absolute cross section double differential cross section (both pion and muon) Teppei Katori, MIT

  46. 4. MiniBooNE cross section results by Bob Nelson NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov, arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation - first differential cross section measurement - observed large absolute cross section CCpo Q2 differential cross section Teppei Katori, MIT

  47. 4. MiniBooNE cross section results by Jarek Novak NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov, arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation - state-of-art models are implemented, tested MA1p fit with Q2 distribution for various nuclear models Teppei Katori, MIT

  48. 4. MiniBooNE cross section results by Steve Linden NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov, arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation - data is presented in theorist friendly style CCp+like/CCQElike cross section ratio Teppei Katori, MIT

  49. 4. MiniBooNE cross section results by Joe Grange NuInt09, May18-22, 2009, Sitges, Spain All talks proceedings are available on online (open access), http://proceedings.aip.org/proceedings/confproceed/1189.jsp NuInt09 MiniBooNE results In NuInt09, MiniBooNE had 6 talks and 2 posters 1. charged current quasielastic (CCQE) cross section measurement by Teppei Katori, PRD81(2010)092005 2. neutral current elastic (NCE) cross section measurement by Denis Perevalov, arXiv:1007.4730 3. neutral current po production (NCpo) cross section measurement (n and anti-n) by Colin Anderson, PRD81(2010)013005 4. charged current single pion production (CCp+) cross section measurement by Mike Wilking, paper in preparation 5. charged current single po production (CCpo) cross section measurement by Bob Nelson, paper in preparation 6. improved CC1p+ simulation in NUANCE generator by Jarek Novak 7. CCp+/CCQE cross section ratio measurement by Steve Linden, PRL103(2009)081801 8. anti-nCCQE measurement by Joe Grange, paper in preparation - highest statistics in this channel - support neutrino mode result - new method to measure neutrino contamination anti-nCCQE Q2 distribution Teppei Katori, MIT

  50. 1. Introduction 2. Neutrino beam 3. Events in the detector 4. Cross section model 5. Oscillation analysis and result 6. New Low energy excess result 7. Anti-neutrino oscillation result 8. Neutrino disappearance result 9. Outlook Teppei Katori, MIT

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