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Measurement Of Charged Current Coherent Pion Production By Neutrinos On Carbon At Minernua
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Book Synopsis Measurement of Charged Current Coherent Pion Production by Neutrinos on Carbon at MINER?A by : Aaron Mislivec
Download or read book Measurement of Charged Current Coherent Pion Production by Neutrinos on Carbon at MINER?A written by Aaron Mislivec and published by . This book was released on 2017 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Neutrino-nucleus coherent pion production is a rare neutrino scattering process where the squared four-momentum transferred to the nucleus is small, a lepton and pion are produced in the forward direction, and the nucleus remains in its initial state. This process is an important background in neutrino oscillation experiments. Measurements of coherent pion production are needed to constrain models which are used to predict coherent pion production in oscillation experiments. This thesis reports measurements of vm and -vm charged current coherent pion production on carbon for neutrino energies in the range 2
Book Synopsis Measurement of Charged Current Coherent Pion Production by Neutrinos on Carbon at MINER$\nu$A. by :
Download or read book Measurement of Charged Current Coherent Pion Production by Neutrinos on Carbon at MINER$\nu$A. written by and published by . This book was released on 2017 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrino-nucleus coherent pion production is a rare neutrino scattering process where the squared four-momentum transferred to the nucleus is small, a lepton and pion are produced in the forward direction, and the nucleus remains in its initial state. This process is an important background in neutrino oscillation experiments. Measurements of coherent pion production are needed to constrain models which are used to predict coherent pion production in oscillation experiments. This thesis reports measurements of [nu]æ and [nu]æ charged current coherent pion production on carbon for neutrino energies in the range 2
Book Synopsis A Study of Charged Current Single Charged Pion Productions on Carbon in a Few-GeV Neutrino Beam by :
Download or read book A Study of Charged Current Single Charged Pion Productions on Carbon in a Few-GeV Neutrino Beam written by and published by . This book was released on 2009 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding single charged pion production via neutrino-nucleus charged current interaction in the neutrino energy region of a few GeV is essential for future neutrino oscillation experiments since this process is a dominant background for v[mu] → vx oscillation measurements. There are two contributions to this process: single pion production via baryonic resonance (v[mu]N → [mu]- N[pi]+) and coherent pion production interacting with the entire nucleus (v[mu]A → [mu]- A[pi]+), where N is nucleon in the nucleus and A is the nucleus. The purpose of the study presented in this thesis is a precise measurement of charged current single charged pion productions, resonant and coherent pion productions, with a good final state separation in the neutrino energy region of a few GeV. In this thesis, we focus on the study of charged current coherent pion production from muon neutrinos scattering on carbon, v[mu] 12C → [mu]-12C[pi]+, in the SciBooNE experiment. This is motivated by the fact that without measuring this component first, the precise determination of resonant pion production cross section can not be achieved since the contribution of coherent pion production in the region of small muon scattering angle is not small. Furthermore, the coherent process is particularly interesting because it is deeply rooted in fundamental physics via Adler's partially conserved axial-vector current theorem. We took data from June 2007 until August 2008, in both the neutrino and antineutrino beam. In total, 2.52 x 1020 protons on target were collected. We have performed a search for charged current coherent pion production by using SciBooNE's full neutrino data set, corresponding to 0.99 x 1020 protons on target. No evidence for coherent pion production is observed. We set 90% confidence level upper limits on the cross section ratio of charged current coherent pion production to the total charged current cross section at 0.67 x 10-2 at mean neutrino energy 1.1 GeV and 1.36 x 10-2 at mean neutrino energy 2.2 GeV. We reveal that the Rein-Sehgal model widely used in neutrino oscillation experiments breaks down at the neutrino energy region of a few GeV. This creates active controversies on the model of coherent pion production, and the understanding of coherent pion production is being progressed. In addition, future prospects of measurements of charged current single charged pion production in SciBooNE are discussed.
Book Synopsis Measurement of the Neutrino Charged Current Coherent Pion Production Cross Section on Carbon and Oxygen with the T2K Near Detector by : Paul Martins
Download or read book Measurement of the Neutrino Charged Current Coherent Pion Production Cross Section on Carbon and Oxygen with the T2K Near Detector written by Paul Martins and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improved Measurement of Neutral Current Coherent $\pi^0$ Production on Carbon in a Few-GeV Neutrino Beam by :
Download or read book Improved Measurement of Neutral Current Coherent $\pi^0$ Production on Carbon in a Few-GeV Neutrino Beam written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The SciBooNE Collaboration reports a measurement of neutral current coherent neutral pion production on carbon by a muon neutrino beam with average energy 0.8 GeV. The separation of coherent from inclusive neutral pion production has been improved by detecting recoil protons from resonant neutral pion production. We measure the ratio of the neutral current coherent neutral pion production to total charged current cross sections to be (1.16 +/- 0.24) x 10-2. The ratio of charged current coherent pion to neutral current coherent pion production is calculated to be 0.14+0.30 -0.28, using our published charged current coherent pion measurement.
Book Synopsis Measurement of Neutral Current Neutral Pion Production on Carbon in a Few-GeV Neutrino Beam by :
Download or read book Measurement of Neutral Current Neutral Pion Production on Carbon in a Few-GeV Neutrino Beam written by and published by . This book was released on 2010 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding of the ?0 production via neutrino-nucleus neutral current interaction in the neutrino energy region of a few GeV is essential for the neutrino oscillation experiments. In this thesis, we present a study of neutral current ?0 production from muon neutrinos scattering on a polystyrene (C8H8) target in the SciBooNE experiment. All neutrino beam data corresponding to 0.99 × 1020 protons on target have been analyzed. We have measured the cross section ratio of the neutral current ?0 production to the total charge current interaction and the ?0 kinematic distribution such as momentum and direction. We obtain [7.7 ± 0.5(stat.) ± 0.5(sys.)] × 10-2 as the ratio of the neutral current neutral pion production to total charged current cross section; the mean energy of neutrinos producing detected neutral pions is 1.1 GeV. The result agrees with the Rein- Sehgal model, which is generally used for the Monte Carlo simulation by many neutrino oscillation experiments. We achieve less than 10 % uncertainty which is required for the next generation search for ?æ → ?e oscillation. The spectrum shape of the ?0 momentum and the distribution of the ?0 emitted angle agree with the prediction, which means that not only the Rein-Sehgal model but also the intra-nuclear interaction models describe our data well. We also measure the ratio of the neutral current coherent pion production to total charged current cross section to be (1.17 ± 0.23 ) × 10-2 based on the Rein and Sehgal model. The result gives the evidence for non-zero coherent pion production via neutral current interaction at the mean neutrino energy of 1.0 GeV.
Book Synopsis First Measurement of Neutrino and Antineutrino Coherent Charged Pion Production on Argon by :
Download or read book First Measurement of Neutrino and Antineutrino Coherent Charged Pion Production on Argon written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In this study, we report on the first cross section measurements for charged current coherent pion production by neutrinos and antineutrinos on argon. These measurements are performed using the ArgoNeuT detector exposed to the NuMI beam at Fermilab. The cross sections are measured to be 2.6 +1.2-1.0 (stat)+0.3-0.4(syst) x 10-38 cm2/Ar for neutrinos at a mean energy of 9.6 GeV and 5.5+2.6-2.1(stat)+0.6-0.7(syst) x 10-39 cm2/Ar for antineutrinos at a mean energy of 3.6 GeV.
Book Synopsis Measurement of the Single Charged Pion Production Cross Section in Charged-current Neutrino-carbon Interactions by :
Download or read book Measurement of the Single Charged Pion Production Cross Section in Charged-current Neutrino-carbon Interactions written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Coherent Production of [pi]± in Neutrino and Antineutrino Beams on Carbon from E[nu] of 1.5 to 20 GeV. by :
Download or read book Measurement of Coherent Production of [pi]± in Neutrino and Antineutrino Beams on Carbon from E[nu] of 1.5 to 20 GeV. written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of Neutrino Charged Current Interactions and a Search for Muon Neutrino Disappearance with the Fermilab Booster Neutrino Beam by :
Download or read book A Measurement of Neutrino Charged Current Interactions and a Search for Muon Neutrino Disappearance with the Fermilab Booster Neutrino Beam written by and published by . This book was released on 2011 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, we report on a measurement of muon neutrino inclusive charged current interactions on carbon in the few GeV region, using the Fermilab Booster Neutrino Beam. The all neutrino mode data collected in the SciBooNE experiment is used for this analysis. We collected high-statistics CC interaction sample at SciBooNE, and extracted energy dependent inclusive charged current interaction rates and cross sections for a wide energy range from 0.25 GeV to 3̃ GeV. We measure the interaction rates with 6-15% precision, and the cross sections with 10-30% precision. We also made an energy integrated measurements, with the precisions of 3% for the rate, and 8% for the cross section measurements. This is the first measurement of the CC inclusive cross section on carbon around 1 GeV. This inclusive interaction measurement is nearly free from effects of hadron re-interactions in the nucleus. Hence, it is complementary to other exclusive cross section measurements, and essential to understand the neutrino interaction cross sections in the few GeV region, which is relevant to ongoing and future neutrino oscillation experiments. This analysis also provides the normalization for SciBooNE's previous cross section ratio measurements for charged current coherent pion production and neutral current neutral pion production. Then, a precise comparison between our previous measurements and the model predictions becomes possible. The result of the interaction rate measurement is used to constrain the product of the neutrino flux and the cross section at the other experiment on the Fermilab Booster Neutrino Beam: Mini-BooNE. We conducted a search for short-baseline muon neutrino disappearance using data both from SciBooNE and MiniBooNE, to test a possible neutrino oscillation with sterile neutrinos which is suggested by the LSND experiment. With this constraint by SciBooNE, we significantly reduced the flux and the cross section uncertainties at MiniBooNE, and achieved the world best sensitivity for the v? disappearance at 0.5 ?msup2/sup 30 (eV
Book Synopsis A Measurement of Neutrino-Induced Charged-Current Neutral Pion Production by :
Download or read book A Measurement of Neutrino-Induced Charged-Current Neutral Pion Production written by and published by . This book was released on 2010 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Neutrino Induced Charged Current Neutral Pion Production Cross Section at SciBooNE by : Universitat de València. Facultat de Física
Download or read book Measurement of Neutrino Induced Charged Current Neutral Pion Production Cross Section at SciBooNE written by Universitat de València. Facultat de Física and published by . This book was released on 2014 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Muon Neutrino Charged Current Single Pion Production on Various Targets in the MINERvA Detector by : Aaron Bercellie
Download or read book Muon Neutrino Charged Current Single Pion Production on Various Targets in the MINERvA Detector written by Aaron Bercellie and published by . This book was released on 2022 with total page 795 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Measurements of neutrino oscillation parameters at accelerator-based experiments require precise knowledge of neutrino interaction cross sections. A significant fraction of neutrino interactions observed in these experiments produce single charged pions. While single charged pion production has been measured on hydrocarbon and water, few precise measurements exist for heavier targets, and there are no high statistics measurements that directly compare pion production on different targets. This thesis measures differential cross sections of muon neutrino charged current single charged pion production with no other mesons in the final state in a neutrino beam with a mean energy of ~ 6 GeV. The pion production is studied on targets of scintillator, carbon, water, iron, and lead at MINERvA, a neutrino cross section experiment located in the NuMI beamline at Fermilab. These measured cross sections are differential in [mu]- and [pi]+ kinematics. A strong suppression of low Q2 and an enhancement of low T[Pi] are observed relative to commonly used neutrino interaction models in both the light and heavy nuclear targets. Incorporation of these observed effects in future neutrino oscillation experiments will improve their ability to measure energy of neutrino interactions, and therefore measure the parameters governing neutrino oscillations."--Page xii
Book Synopsis First Evidence of Coherent $K^{+}$ Meson Production in Neutrino-nucleus Scattering by :
Download or read book First Evidence of Coherent $K^{+}$ Meson Production in Neutrino-nucleus Scattering written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrino-induced charged-current coherent kaon production, $\nu_{\mu}A\rightarrow\mu^{-}K^{+}A$, is a rare, inelastic electroweak process that brings a $K^+$ on shell and leaves the target nucleus intact in its ground state. This process is significantly lower in rate than neutrino-induced charged-current coherent pion production, because of Cabibbo suppression and a kinematic suppression due to the larger kaon mass. We search for such events in the scintillator tracker of MINERvA by observing the final state $K^+$, $\mu^-$ and no other detector activity, and by using the kinematics of the final state particles to reconstruct the small momentum transfer to the nucleus, which is a model-independent characteristic of coherent scattering. We find the first experimental evidence for the process at $3\sigma$ significance.
Book Synopsis Measurement of the Muon Neutrino Charged Current Pion Production Cross-section on Water Using the T2K Near Detector by : Linda Cremonesi
Download or read book Measurement of the Muon Neutrino Charged Current Pion Production Cross-section on Water Using the T2K Near Detector written by Linda Cremonesi and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent Production of Pions and Rho Mesons in Neutrino Charged Current Interactions on Neon Nuclei at the Fermilab Tevatron by : Stéphane Willocq
Download or read book Coherent Production of Pions and Rho Mesons in Neutrino Charged Current Interactions on Neon Nuclei at the Fermilab Tevatron written by Stéphane Willocq and published by . This book was released on 1992 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent Production of Pions and Rho Mesons in Neutrino Charged Current Interactions on Neon Nuclei at the Fermilab Tevatron by :
Download or read book Coherent Production of Pions and Rho Mesons in Neutrino Charged Current Interactions on Neon Nuclei at the Fermilab Tevatron written by and published by . This book was released on 1992 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The coherent production of single pions and and [rho] mesons in charged current interactions of neutrinos and antineutrinos on neon nuclei has been studied. The data were obtained using the Fermilab 15-foot Bubble Chamber, filled with a heavy Ne-H2 mixture and exposed to the Quadrupole Triplet neutrino beam produced by 800 GeV protons from the Tevatron. The average beam energy was 86 GeV. In a sample of 330000 frames, 1032 two-prong [nu]{sub {mu}} + {bar [nu]}{sub {mu}} charged current interactions were selected. The goal of this study was to investigate the low Q2 high {nu} region where the hadron dominance model can be tested. In this model, the vector and axial-vector parts of the weak hadronic current are dominated by the [rho] and a1 mesons respectively. Moreover, the Partially Conserved Axial Current (PCAC) hypothesis can be tested by studying the coherent production of single pions.
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