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First Observation Of Coherent Pi0 Production In Neutrino Nucleus Interactions With Enu 2 Gev
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Book Synopsis First Observation of Coherent Pi0 Production in Neutrino Nucleus Interactions with E[nu] [2-GeV. by :
Download or read book First Observation of Coherent Pi0 Production in Neutrino Nucleus Interactions with E[nu] [2-GeV. written by and published by . This book was released on 2008 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The MiniBooNE experiment at Fermilab has amassed the largest sample to date of [pi]°s produced in neutral current (NC) neutrino-nucleus interactions at low energy. This paper reports a measurement of the momentum distribution of [pi]°s produced in mineral oil (CH2) and the first observation of coherent [pi]° production below 2 GeV. In the forward direction, the yield of events observed above the expectation for resonant production is attributed primarily to coherent production off carbon, but may also include a small contribution from diffractive production on hydrogen. Integrated over the MiniBooNE neutrino flux, the sum of the NC coherent and diffractive modes is found to be (19.5 ± 1.1 (stat) ± 2.5 (sys))% of all exclusive NC [pi]° production at MiniBooNE. These measurements are of immediate utility because they quantify an important background to MiniBooNE's search for [nu]{sub {mu}} → [nu]{sub e} oscillations.
Book Synopsis A Search for Neutrino Induced Coherent NC($\pi^{0}$) Production in the MINOS Near Detector by :
Download or read book A Search for Neutrino Induced Coherent NC($\pi^{0}$) Production in the MINOS Near Detector written by and published by . This book was released on 2011 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of single, highly forward [pi]0 mesons by NC coherent neutrino-nucleus interactions ([nu][mu] + N → [nu][mu] + N + [pi]0) is a process which probes fundamental aspects of the weak interaction. This reaction may also pose as a limiting background for long baseline searches for [nu][mu] → [nu]e oscillations if the neutrino mixing angle [theta]13 is very small. The high-statistics sample of neutrino interactions recorded by the MINOS Near Detector provides an opportunity to measure the cross section of this coherent reaction on a relatively large-A nucleus at an average Ev = 4.9 GeV. A major challenge for this measurement is the isolation of forward-going electromagnetic (EM) showers produced by the relatively rare coherent NC([pi]0) process amidst an abundant rate of incoherently produced EM showers. The backgrounds arise from single [pi]0 dominated NC events and also from quasi-elastic-like CC scattering of electron neutrinos. In this Thesis the theory of coherent interactions is summarized, and previous measurements of the coherent NC([pi]0) cross section are reviewed. Then, methods for selecting a sample of coherent NC([pi]0) like events, extracting the coherent NC([pi]0) event rate from that sample, estimating the analysis uncertainties, and calculating a cross section, are presented. A signal for neutrino-induced NC([pi]0) production is observed in the relevant kinematic regime as an excess of events of three standard deviations above background. The reaction cross sections, averaged over an energy window of 2.5 ≤ Ev ≤ 9.0 GeV is determined to be (31.6±10.5) x 10-40 cm2/nucleus. The result is the first evidence obtained for neutrino-nucleus coherent NC([pi]0) scattering on iron, and is the first measurement on an average nuclear target above A = 30. The cross section measurement is in agreement with NEUGEN3 implementation of the model by Rein and Sehgal which is motived by the PCAC hypothesis.
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 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 Neutrino-nucleus Interactions in the Few GeV Region : Nulnt01 by : Jorge G. Morfin
Download or read book Neutrino-nucleus Interactions in the Few GeV Region : Nulnt01 written by Jorge G. Morfin and published by . This book was released on 2002 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutrino-nucleus Interactions in the Few GeV Region by : Jorge G. Morfín
Download or read book Neutrino-nucleus Interactions in the Few GeV Region written by Jorge G. Morfín and published by . This book was released on 2002 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observation of High Energy Neutrino Reactions and the Existence of Two Kinds of Neutrinos by : Gordon Thompson Danby
Download or read book Observation of High Energy Neutrino Reactions and the Existence of Two Kinds of Neutrinos written by Gordon Thompson Danby and published by . This book was released on 1962 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Insect Pollination Studies on Broccoli (Brassica Oleracea Var. Italica Plenck). by :
Download or read book Insect Pollination Studies on Broccoli (Brassica Oleracea Var. Italica Plenck). written by and published by . This book was released on 2002 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Feasibility Study for a First Observation of Coherent Neutrino Nucleus Scattering Using Low-Temperature Detectors by : Achim Gütlein
Download or read book Feasibility Study for a First Observation of Coherent Neutrino Nucleus Scattering Using Low-Temperature Detectors written by Achim Gütlein and published by . This book was released on 2013 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :International Workshop on Neutrino-Nucleus Interactions in the Few GeV Region Publisher : ISBN 13 : Total Pages :298 pages Book Rating :4.:/5 (91 download)
Book Synopsis Nulnt01 by : International Workshop on Neutrino-Nucleus Interactions in the Few GeV Region
Download or read book Nulnt01 written by International Workshop on Neutrino-Nucleus Interactions in the Few GeV Region and published by . This book was released on 2002 with total page 298 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 Neutrino-nucleus Interactions in the Few GeV Region by : Jorge G. Morfín
Download or read book Neutrino-nucleus Interactions in the Few GeV Region written by Jorge G. Morfín and published by . This book was released on 2002 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutrino-nucleus Interactions in the GeV Region by : Jorge G. Morfín
Download or read book Neutrino-nucleus Interactions in the GeV Region written by Jorge G. Morfín and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Neutrino-nucleus Intreactions in the Few GeV Region, Nulnt01 by : Jorge G Morfín
Download or read book Neutrino-nucleus Intreactions in the Few GeV Region, Nulnt01 written by Jorge G Morfín and published by . This book was released on 2002 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :International Workshop on Neutrino-Nucleus Interactions in the Few GeV Region Publisher : ISBN 13 : Total Pages :328 pages Book Rating :4.:/5 (92 download)
Book Synopsis Nulnt04 by : International Workshop on Neutrino-Nucleus Interactions in the Few GeV Region
Download or read book Nulnt04 written by International Workshop on Neutrino-Nucleus Interactions in the Few GeV Region and published by . This book was released on 2005 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent production of photons, π_347's in neutrino-nucleus interactions by : Lalit M. Sehgal
Download or read book Coherent production of photons, π_347's in neutrino-nucleus interactions written by Lalit M. Sehgal and published by . This book was released on 1981 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent production of photons, p°'s in neutrino-nucleus interactions by : Lalit M. Sehgal
Download or read book Coherent production of photons, p°'s in neutrino-nucleus interactions written by Lalit M. Sehgal and published by . This book was released on 1981 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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