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Measurement Of Neutral Current Neutral Pion Production On Carbon In A Few Gev Neutrino Beam
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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 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 Neutrino Induced Charged Current Neutral Pion Production Cross Section at SciBooNE. by :
Download or read book Measurement of Neutrino Induced Charged Current Neutral Pion Production Cross Section at SciBooNE. written by and published by . This book was released on 2014 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: SciBooNE is a neutrino scattering experiment located in the Booster Neutrino Beam at Fermilab. It collected data from June 2007 to August 2008 to accurately measure muon neutrino and anti-neutrino cross sections on carbon around 1 GeV neutrino energy. In this thesis we present the results on the measurement of the muon neutrino cross section resulting in a [mu]- plus a single [pi]0 final state (CC- [pi]0 channel). The present work will show the steps taken to achieve this result: from the reconstruction improvements to the background extraction. The flux-averaged CC - [pi]0 production cross section measurement obtained in this thesis [sigma]CC- [pi]0 [Phi] = (5.6 ± 1.9fit ± 0.7beam ± 0.5int - 0.7det) × 10-40 cm2/N at an average energy of 0.89 GeV is found to agree well both with the expectation from the Monte Ca.
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 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 Charged-Current Neutral Pion Production at SciBooNE. by :
Download or read book Charged-Current Neutral Pion Production at SciBooNE. written by and published by . This book was released on 2009 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: SciBooNE, located in the Booster Neutrino Beam at Fermilab, collected data from June 2007 to August 2008 to accurately measure muon neutrino and anti-neutrino cross sections on carbon below 1 GeV neutrino energy. SciBooNE is studying charged current interactions. Among them, neutral pion production interactions will be the focus of this poster. The experimental signature of neutrino-induced neutral pion production is constituted by two electromagnetic cascades initiated by the conversion of the [pi]° decay photons, with an additional muon in the final state for CC processes. In this poster, I will present how we reconstruct and select charged-current muon neutrino interactions producing [pi]°'s in SciBooNE.
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 The Physics of Neutrino Interactions by : M. Sajjad Athar
Download or read book The Physics of Neutrino Interactions written by M. Sajjad Athar and published by Cambridge University Press. This book was released on 2020-12-03 with total page 975 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive introduction to neutrino physics with detailed description of neutrinos and their properties.
Book Synopsis Measurement of Single Positive Pion Production in Neutrino Neutral Current Interactions in the ND280 Detector and Particle Identification with the Fine Grained Detector at T2K. by : Caio Augusto Pelegrina Del Bianco Licciardi
Download or read book Measurement of Single Positive Pion Production in Neutrino Neutral Current Interactions in the ND280 Detector and Particle Identification with the Fine Grained Detector at T2K. written by Caio Augusto Pelegrina Del Bianco Licciardi and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, I present a measurement of the absolute inclusive cross section of single + production induced by neutral current interactions ( (NCS +)). I also present a method to identify particles stopping in the Fine Grained Detectors (FGDs). An introductory description of neutrino physics, as well as of the T2K experiment and the ND280 tracker system are included for completeness. Other important contributions to the development of the FGDs, including the selection and characterization of the wavelength shifting bers used in these detectors, as well as their commissioning at JPARC, are also discussed in the thesis. The particle identi cation with the FGDs is based on the reconstructed deposited energy versus track length. It is primarily devoted to separate stopping protons from pions. In particular, this method can distinguish between exiting and stopping muons (or pions). In the measurement of (NCS +), the tracker system of the near detector (ND280) of the T2K experiment is used to reconstruct the particles and respective kinematics. It consists of two FGDs and three Time Projection Chambers (TPCs). One of the FGDs provides a target mass of 1 tonne for neutrino interactions, out of it 93% is composed of CH. The number of neutrino interactions used in this thesis corresponds to a total of 1:077 1020 protons on target at the Japan Proton Accelerator Research Complex (JPARC) facility in Tokai, collected during the T2K Run-1 and Run-2 data acquisition periods. Since the ND280 is 2:5 o the neutrino beam direction, its energy spectrum has a narrow width with peak at near 0.6 GeV. The analysis is based on NEUT Monte Carlo (MC) predictions for neutrino-nucleus interactions. The achieved e ciency and purity in the selection of forward-going + are 39% and 21%, respectively, for pions with momentum between 0.2 and 1.1 GeV/c. Systematic errors arising from neutrino ux uncertainties, event reconstruction and neutrino interaction models have been considered in the analysis. The ratio data to MC simulation is data= MC
Book Synopsis Issues in General Physics Research: 2011 Edition by :
Download or read book Issues in General Physics Research: 2011 Edition written by and published by ScholarlyEditions. This book was released on 2012-01-09 with total page 13957 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues in General Physics Research / 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about General Physics Research. The editors have built Issues in General Physics Research: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about General Physics Research in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in General Physics Research: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
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 Semi-inclusive Neutral Current Neutral Pion Production Selection at the NOvA (numi Off-axis Electron Neutrino Appearance) Near Detector Using Prong Level Convolutional Neural Networks by : Alan Javier Cedeno
Download or read book Semi-inclusive Neutral Current Neutral Pion Production Selection at the NOvA (numi Off-axis Electron Neutrino Appearance) Near Detector Using Prong Level Convolutional Neural Networks written by Alan Javier Cedeno and published by . This book was released on 2018 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: The NONA neutrino experiment based in Fermilab is designed to measure ! e neutrino oscillations. This experiment will give us insight into the properties of massive neutrinos. Neutral current (NC) ;e neutral pion production events can mimic the ! e oscillation signal and therefore are an important background for NONA to understand. Neutral pions decay into two photons which can fake a single electron shower ( e appearance signal) in two ways: either the 2 photons can merge together or one of them may escape detection. In order to constrain this background, NONA utilizes the Near Detector to measure neutral current 0 neutrino interactions. In this analysis, neutrino-Nucleus ( !N) NC 0 interactions with total pion energy greater then 0.3 GeV are studied by selecting two prong events with two final state photons as determined by prong based Convolutional Visual Networks (CVN). The analysis is performed on 3.54x1021 Protons On Target (POT) of NONA Near Detector simulated data and compared to 8.09x1020 POT of data. Optimization of the selection based on fractional cross-section uncertainty and an initial energy resolution study of the final sample are presented. The final 2 prong selection using prong based CVN gave a purity of 74%, selection efficiency of 1.8%, and an expected (NC) ;e neutral pion cross section of 15.2%.
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 Measurement of the Muon Neutrino Charged Current Pion Production to Quasi-elastic Cross Section Ratio on Mineral Oil in a 0.8 Gev Neutrino Beam by : Steven K. Linden
Download or read book Measurement of the Muon Neutrino Charged Current Pion Production to Quasi-elastic Cross Section Ratio on Mineral Oil in a 0.8 Gev Neutrino Beam written by Steven K. Linden and published by . This book was released on 2011 with total page 284 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 Measurement of Inclusive Charged Current Interactions on Carbon in a Few-GeV Neutrino Beam by :
Download or read book Measurement of Inclusive Charged Current Interactions on Carbon in a Few-GeV Neutrino Beam written by and published by . This book was released on 2010 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: The SciBooNE Collaboration reports a measurement of inclusive charged current interactions of muon neutrinos on carbon with an average energy of 0.8 GeV using the Fermilab Booster Neutrino Beam. We compare our measurement with two neutrino interaction simulations: NEUT and NUANCE. The charged current interaction rates (product of flux and cross section) are extracted by fitting the muon kinematics, with a precision of 6-15% for the energy dependent and 3% for the energy integrated analyses. We also extract CC inclusive interaction cross sections from the observed rates, with a precision of 10-30% for the energy dependent and 8% for the energy integrated analyses. This is the first measurement of the CC inclusive cross section on carbon around 1 GeV. These results can be used to convert previous SciBooNE cross section ratio measurements to absolute cross section values.
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
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