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Inclusive And Inelastic Scattering In Neutrino Nucleus Interactions
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Book Synopsis Inclusive and Inelastic Scattering in Neutrino-Nucleus Interactions by : Amy Filkins
Download or read book Inclusive and Inelastic Scattering in Neutrino-Nucleus Interactions written by Amy Filkins and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrino-nucleus cross section measurements can provide both insights into nuclear physics and important data that can be used to improve model predictions used for neutrino oscillation physics. Two measurements of neutrino-nucleus cross sections were performed using data from the MINERvA experiment, each probing different classes of neutrino interactions. Double and single-differential flux-integrated measurements of inclusive charged current neutrino-nucleus cross sections at a peak neutrino energy of 3.5 GeV are presented as a function of the longitudinal and transverse momentum of the muon produced in the interaction. Additionally, an analysis of charged-current deep inelastic scattering (DIS) of muon neutrinos was performed in carbon, iron, lead and hydrocarbon in a neutrino beam with a peak energy of 6 GeV. Cross sections were measured in each material, and ratios were also taken between the cross sections of each of the materials and hydrocarbon, allowing for examination of nuclear dependencies of the neutrino cross section. Absolute DIS cross sections as a function of neutrino energy and flux integrated differential cross sections as a function of the Bjorken-x scaling variable were both measured.
Book Synopsis A Measurement of Nuclear Effects in Deep Inelastic Scattering in Neutrino-nucleus Interactions by : Anna Norrick
Download or read book A Measurement of Nuclear Effects in Deep Inelastic Scattering in Neutrino-nucleus Interactions written by Anna Norrick and published by . This book was released on 2018 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrino-Nucleus Deep Inelastic Scattering (DIS) events provide a probe into the structure of nucleons within a nucleus that cannot be accessed via charged lepton-nucleus interactions. The MINERvA experiment is stationed in the Neutrinos from the Main Injector (NuMI) beam line at Fermi National Accelerator Laboratory. With the recent increase in average neutrino energy and the greatly increased intensity of the NuMI beam line, projected sensitivities for DIS cross section ratio analyses using MINERvA's suite of nuclear targets (C, CH, Fe and Pb) are greatly increased. an analysis of theMINERvA DIS data on carbon, iron, lead, and plastic has been conducted for muon neutrino interactions with a muon angle less than 17 degrees. Results are presented as a differential cross section with respect to neutrino energy and the Bjorken-x scaling variable.
Book Synopsis Measurement of Neutrino Interactions and Three Flavor Neutrino Oscillations in the T2K Experiment by : Tatsuya Kikawa
Download or read book Measurement of Neutrino Interactions and Three Flavor Neutrino Oscillations in the T2K Experiment written by Tatsuya Kikawa and published by Springer. This book was released on 2015-09-18 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on the author's work in the T2K long-baseline neutrino oscillation experiment, in which neutrinos are generated by a proton beam and are detected by near and far neutrino detectors. In order to achieve the precise measurement of the neutrino oscillation, an accurate understanding of the neutrino beam and the neutrino interaction is essential. Thus, the author measured the neutrino beam properties and the neutrino interaction cross sections using a near neutrino detector called INGRID and promoted a better understanding of them. Then, the author performed a neutrino oscillation analysis using the neutrino beam and neutrino interaction models verified by the INGRID measurements. As a result, some values of the neutrino CP phase are disfavored at the 90% confidence level. If the measurement precision is further improved, we may be able to discover the finite CP phase which involves the CP violation. Thus, this result is an important step towards the discovery of CP violation in the lepton sector, which may be the key to understanding the origin of the matter–antimatter asymmetry in the universe.
Download or read book Neutrino-nucleus Interactions written by and published by . This book was released on 2011 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of neutrino oscillations has necessitated a new generation of neutrino experiments that are exploring neutrino-nuclear scattering processes. We focus in particular on charged-current quasi-elastic scattering, a particularly important channel that has been extensively investigated both in the bubble-chamber era and by current experiments. Recent results have led to theoretical reexamination of this process. We review the standard picture of quasi-elastic scattering as developed in electron scattering, review and discuss experimental results, and discuss additional nuclear effects such as exchange currents and short-range correlations that may play a significant role in neutrino-nucleus scattering.
Book Synopsis First Observation of Coherent Elastic Neutrino-Nucleus Scattering by : Bjorn Scholz
Download or read book First Observation of Coherent Elastic Neutrino-Nucleus Scattering written by Bjorn Scholz and published by Springer. This book was released on 2018-10-26 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes the experimental work that finally led to a successful measurement of coherent elastic neutrino-nucleus scattering—a process proposed forty-three years ago. The experiment was performed at the Spallation Neutron Source facility, sited at Oak Ridge National Laboratory, in Tennessee. Of all known particles, neutrinos distinguish themselves for being the hardest to detect, typically requiring large multi-ton devices for the job. The process measured here involves the difficult detection of very weak signals arising from nuclear recoils (tiny neutrino-induced “kicks” to atomic nuclei), but leads to a much larger probability of neutrino interaction when compared to all other known mechanisms. As a result of this, “neutrino technologies” using miniaturized detectors (the author's was handheld and weighed only 14 kg) become a possibility. A large community of researchers plans to continue studying this process, facilitating an exploration of fundamental neutrino properties that is presently beyond the sensitivity of other methods.
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 Anti-neutrino Charged Current Quasi-elastic Scattering in MINERvA by : Jesse Chvojka
Download or read book Anti-neutrino Charged Current Quasi-elastic Scattering in MINERvA written by Jesse Chvojka and published by . This book was released on 2012 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The phenomenon of neutrino oscillation is becoming increasingly understood with results from accelerator-based and reactor-based experiments, but unanswered questions remain. The proper ordering of the neutrino mass eigenstates that compose the neutrino flavor eigenstates is not completely known. We have yet to detect CP violation in neutrino mixing, which if present could help explain the asymmetry between matter and anti-matter in the universe. We also have not resolved whether sterile neutrinos, which do not interact in any Standard Model interaction, exist. Accelerator-based experiments appear to be the most promising candidates for resolving these questions; however, the ability of present and future experiments to provide answers is likely to be limited by systematic errors. A significant source of this systematic error comes from limitations in our knowledge of neutrino-nucleus interactions. Errors on cross-sections for such interactions are large, existing data is sometimes contradictory, and knowledge of nuclear effects is incomplete. One type of neutrino interaction of particular interest is charged current quasi-elastic (CCQE) scattering, which yields a final state consisting of a charged lepton and nucleon. This process, which is the dominant interaction near energies of 1 GeV, is of great utility to neutrino oscillation experiments since the incoming neutrino energy and the square of the momentum transferred to the final state nucleon, Q2, can be reconstructed using the final state lepton kinematics. To address the uncertainty in our knowledge of neutrino interactions, many experiments have begun making dedicated measurements. In particular, the MINERvA experiment is studying neutrino-nucleus interactions in the few GeV region. MINERvA is a fine-grained, high precision, high statistics neutrino scattering experiment that will greatly improve our understanding of neutrino cross-sections and nuclear effects that affect the final state particles in neutrino interactions. We present the first cross-section measurement for MINERvA, the differential cross-section d[sigma]/dQ2 for muon anti-neutrino CCQE scattering on polystyrene scintillator (CH) as well as comparisons to several final state models"--Page v-vi.
Book Synopsis Neutrino-nucleus Neutral Current Elastic Interactions Measurement in MiniBooNE by : Denis Perevalov
Download or read book Neutrino-nucleus Neutral Current Elastic Interactions Measurement in MiniBooNE written by Denis Perevalov and published by . This book was released on 2010 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MiniBooNE experiment at the Fermi National Accelerator Laboratory (Fermilab) was designed to search for electron to muon neutrino oscillations at Delta m^2~1 eV^2 using an intense neutrino flux with an average energy of about 700 MeV. From 2002 to 2009 MiniBooNE has accumulated more than 1.0x10^{21} protons on target (POT) in both neutrino and antineutrino modes. MiniBooNE provides a perfect platform for detailed measurements of exclusive and semiinclusive neutrino cross-sections, for which MiniBooNE has the largest samples of events up to date, such as neutral current elastic (NCE), neutral current pi^0, charged current quasi-elastic (CCQE), charged current pi^+, and other channels. These measured cross-sections, in turn, allow to improve the knowledge of nucleon structure. This thesis is devoted to the study of NCE interactions. Neutrino-nucleus neutral current elastic scattering accounts for about 18% of all neutrino interactions in MiniBooNE. Using a high-statistics, high purity sample of NCE interactions in MiniBooNE, the flux-averaged NCE differential cross-section has been measured and is being reported here. Further study of the NCE cross-section allowed for probing the structure of nuclei. The main interest in the NCE cross-section is that it may be sensitive to the strange quark contribution to the nucleon spin, $Delta s$, this however requires a separation of NCE proton from NCE neutron events, which in general is a challenging task. MiniBooNE uses a Cherenkov detector, which imposes restrictions on the measured nucleon kinematic variables, mainly due to the impossibility to reconstruct the nucleon direction below the Cherenkov threshold. However, at kinetic energies above this threshold MiniBooNE is able to identify NCE proton events that do not experience final state interactions. These events were used for the $Delta s$ measurement. In this thesis MiniBooNE reports the NCE (n+p) cross-section, the measurement of the axial mass, $M_A$, and the $Delta s$ parameter from the NCE data.
Book Synopsis First Search for the EMC Effect and Nuclear Shadowing in Neutrino Nuclear Deep Inelastic Scattering at MINERvA by : Joel Allen Mousseau
Download or read book First Search for the EMC Effect and Nuclear Shadowing in Neutrino Nuclear Deep Inelastic Scattering at MINERvA written by Joel Allen Mousseau and published by Springer. This book was released on 2016-10-21 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis details significant improvements in the understanding of the nuclear EMC effect and nuclear shadowing in neutrino physics, and makes substantial comparisons with electron scattering physics. Specifically, it includes the first systematic study of the EMC ratios of carbon, iron and lead to plastic scintillator of neutrinos. The analysis presented provides the best evidence to date that the EMC effect is similar between electrons and neutrinos within the sensitivity of the data. Nuclear shadowing is measured systematically for the first time with neutrinos. In contrast with the data on the EMC effect, the data on nuclear shadowing support the conclusion that nuclear shadowing may be stronger for neutrinos than it is for electrons. This conclusion points to interesting new nuclear physics.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recent Advances and Open Questions in Neutrino-induced Quasi-elastic Scattering and Single Photon Production by :
Download or read book Recent Advances and Open Questions in Neutrino-induced Quasi-elastic Scattering and Single Photon Production written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of neutrino-nucleus interactions has recently seen rapid development with a new generation of accelerator-based neutrino experiments employing medium and heavy nuclear targets for the study of neutrino oscillations. A few unexpected results in the study of quasi-elastic scattering and single photon production have spurred a revisiting of the underlying nuclear physics and connections to electron-nucleus scattering. A thorough understanding and resolution of these issues is essential for future progress in the study of neutrino oscillations.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Current Experiments in Elementary Particle Physics by :
Download or read book Current Experiments in Elementary Particle Physics written by and published by . This book was released on 1985 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Effects in Deep Inelastic Scattering by :
Download or read book Nuclear Effects in Deep Inelastic Scattering written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors extend the approach used to treat quasi-elastic inclusive electron-nucleus scattering to the deep inelastic region. They provide a general approach to describe lepton scattering from an off-shell nucleon, and calculate the ratio of inclusive deep inelastic scattering cross sections to the deuteron for nuclear matter and helium (EMC-effect). They find that the consistent inclusion of the binding effects, in particular the ones arising from the short-range nucleon-nucleon interaction, allows to describe the data in the region of x> 0.15 where binding fully accounts for the deviation of the cross section ratios from one.
Download or read book High Energy Physics Index written by and published by . This book was released on 1988 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutrino-nucleus Neutral Current Elastic Interactions Measurement in MiniBooNE. by :
Download or read book Neutrino-nucleus Neutral Current Elastic Interactions Measurement in MiniBooNE. written by and published by . This book was released on 2009 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MiniBooNE experiment at the Fermi National Accelerator Laboratory (Fermilab) was designed to search for [nu]{sub {mu}} 2![nu]{sub e} neutrino oscillations at [Delta]m2 H"1 eV2 using an intense neutrino flux with an average energy E{sub [nu]} H"700 MeV. From 2002 to 2009 MiniBooNE has accumulated more than 1.0 x 1021 protons on target (POT) in both neutrino and antineutrino modes. MiniBooNE provides a perfect platform for detailed measurements of exclusive and semiinclusive neutrino cross-sections, for which MiniBooNE has the largest samples of events up to date, such as neutral current elastic (NCE), neutral current [pi]°, charged current quasi-elastic (CCQE), charged current [pi], and other channels. These measured cross-sections, in turn, allow to improve the knowledge of nucleon structure. This thesis is devoted to the study of NCE interactions. Neutrino-nucleus neutral current elastic scattering ([nu]N 2![nu]N) accounts for about 18% of all neutrino interactions in MiniBooNE. Using a high-statistics, high purity sample of NCE interactions in MiniBooNE, the flux-averaged NCE differential cross-section has been measured and is being reported here. Further study of the NCE cross-section allowed for probing the structure of nuclei. The main interest in the NCE cross-section is that it may be sensitive to the strange quark contribution to the nucleon spin, [Delta]s, this however requires a separation of NCE proton ([nu]p 2![nu]p) from NCE neutron ([nu]n 2!{nu}n) events, which in general is a challenging task. MiniBooNE uses a Cherenkov detector, which imposes restrictions on the measured nucleon kinematic variables, mainly due to the impossibility to reconstruct the nucleon direction below the Cherenkov threshold. However, at kinetic energies above this threshold MiniBooNE is able to identify NCE proton events that do not experience final state interactions (FSI). These events were used for the [Delta]s measurement. In this thesis MiniBooNE reports the NCE (n+p) cross-section, the measurement of the axial mass, M{sub A}, and the [Delta]s parameter from the NCE data.
Book Synopsis Electron Scattering for Nuclear and Nucleon Structure by : John Dirk Walecka
Download or read book Electron Scattering for Nuclear and Nucleon Structure written by John Dirk Walecka and published by Cambridge University Press. This book was released on 2001-11-15 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scattering of high-energy electrons from nuclear and nucleon targets essentially provides a microscope for examining the structure of these tiny objects. This 2001 book examines the motivation for electron scattering, develops the theoretical analysis of the process and summarises present experimental capabilities. Suitable for advanced undergraduates, graduates and researchers.
