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Minervas Flux Prediction
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Download or read book MINERvA's Flux Prediction written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Here, the MINERvA (Main INjector ExpeRiment: [nu]A) experiment is focused on the measurement of neutrino cross sections on various nuclear targets. For this kind of study it is crucial to know precisely neutrino flux. MINERvA uses the NuMI (Neutrinos at the Main Injector) beam produced at Fermilab. The recent study on the evaluation of the beam and its uncertainty is presented. The NuMI beam is also used by other neutrino experiment, like MINOS, ArgoNeuT, PEANUT, and NOvA, therefore, the results can be used by other collaborations.
Book Synopsis Predicting the T2K Neutrino Flux and Measuring Oscillation Parameters by : Tomislav Vladisavljevic
Download or read book Predicting the T2K Neutrino Flux and Measuring Oscillation Parameters written by Tomislav Vladisavljevic and published by Springer Nature. This book was released on 2020-09-14 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis reports the calculation of neutrino production for the T2K experiment; the most precise a priori estimate of neutrino production that has been achieved for any accelerator-based neutrino oscillation experiment to date. The production of intense neutrino beams at accelerator facilities requires exceptional understanding of chains of particle interactions initiated within extended targets. In this thesis, the calculation of neutrino production for T2K has been improved by using measurements of particle production from a T2K replica target, taken by the NA61/SHINE experiment. This enabled the reduction of the neutrino production uncertainty to the level of 5%, which will have a significant impact on neutrino oscillation and interaction measurements by T2K in the coming years. In addition to presenting the revised flux calculation methodology in an accessible format, this thesis also reports a joint T2K measurement of muon neutrino and antineutrino disappearance, and the accompanying electron neutrino and antineutrino appearance, with the updated beam constraint.
Book Synopsis Exploring Electron–Neutrino–Argon Interactions by : Krishan V. J. Mistry
Download or read book Exploring Electron–Neutrino–Argon Interactions written by Krishan V. J. Mistry and published by Springer Nature. This book was released on 2023-01-01 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis explores the electron-neutrino and antineutrino cross section on argon using the MicroBooNE liquid argon time projection chamber detector. With only a handful of electron neutrino cross section measurements in the hundred MeV to GeV range to date and only one of them on argon as the target nucleus: the result from the ArgoNeuT experiment, there is a need for new, large statistics, electron-neutrino cross section measurements. The precise knowledge of the electron neutrino cross section is fundamental for tests of lepton universality, making meaningful interpretations of neutrino oscillations and beyond the Standard Model search experiments involving electron neutrinos. Moreover, the appearance of electron neutrinos in a beam of predominantly muon neutrinos is the key signature in searches for sterile neutrinos in short-baseline experiments and measurements of Charge-Parity violation in long-baseline oscillation experiments. The measurements in this thesis utilize the NuMI neutrino beamline which is highly off-axis to the MicroBooNE detector but provides a rich source of electron-neutrinos. Critical to the measurement of the cross section is a detailed understanding of the flux of neutrinos at MicroBooNE and the uncertainties associated with it. The neutrino flux prediction tools used for the on-axis NuMI experiments are described and studied in detail for their implementation in the case of MicroBooNE. These tools will form the foundation for many future measurements using the NuMI beam at MicroBooNE. With the use of argon as a target for studying neutrino interactions, the large size of the nucleus introduces nuclear effects which impact the kinematics and multiplicities of the particles produced in the initial interaction. Such effects are complicated to model and are currently an active area of research with various models and neutrino generators available. The measurements in this thesis compare the electron-neutrino argon cross section to several neutrino generators with differing physics models. These comparisons provide important information in the modelling of neutrino interactions with nuclei such as argon. The target audience for this thesis is aimed at particle physics graduate students, particularly in the field of neutrino physics working with noble element time-projection chambers.
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.
Book Synopsis Measurement of the Antineutrino Double-Differential Charged-Current Quasi-Elastic Scattering Cross Section at MINERvA by : Cheryl E. Patrick
Download or read book Measurement of the Antineutrino Double-Differential Charged-Current Quasi-Elastic Scattering Cross Section at MINERvA written by Cheryl E. Patrick and published by Springer. This book was released on 2017-11-15 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis represents the first double differential measurement of quasi-elastic anti-neutrino scattering in the few GeV range--a region of substantial theoretical and experimental interest as it is the kinematic region where studies of charge-parity (CP) violation in the neutrino sector most require precise understanding of the differences between anti-neutrino and neutrino scatter. This dissertation also presents total antineutrino-scintillator quasi-elastic cross sections as a function of energy, which is then compared to measurements from previous experiments. Next-generation neutrino oscillation experiments, such as DUNE and Hyper-Kamiokande, hope to measure CP violation in the lepton sector. In order to do this, they must dramatically reduce their current levels of uncertainty, particularly those due to neutrino-nucleus interaction models. As CP violation is a measure of the difference between the oscillation properties of neutrinos and antineutrinos, data about how the less-studied antineutrinos interact is especially valuable. The measurement described herewith determines the nuclear and instrumental effects that must be understood to undertake precision neutrino physics. As well as being useful to help reduce oscillation experiments' uncertainty, this data can also be used to study the prevalence of various correlation and final-state interaction effects within the nucleus. In addition to being a substantial scientific advance, this thesis also serves as an outstanding introduction to the field of experimental neutrino physics for future students.
Book Synopsis First Measurement of Neutrino and Antineutrino Oscillation at T2K by : Kirsty Elizabeth Duffy
Download or read book First Measurement of Neutrino and Antineutrino Oscillation at T2K written by Kirsty Elizabeth Duffy and published by Springer. This book was released on 2017-09-13 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis reports the measurement of muon neutrino and antineutrino disappearance and electron neutrino and antineutrino appearance in a muon neutrino and antineutrino beam using the T2K experiment. It describes a result in neutrino physics that is a pioneering indication of charge-parity (CP) violation in neutrino oscillation; the first to be obtained from a single experiment. Neutrinos are some of the most abundant—but elusive—particles in the universe, and may provide a promising place to look for a potential solution to the puzzle of matter/antimatter imbalance in the observable universe. It has been firmly established that neutrinos can change flavour (or ‘oscillate’), as recognised by the 2015 Nobel Prize. The theory of neutrino oscillation allows for neutrinos and antineutrinos to oscillate differently (CP violation), and may provide insights into why our universe is matter-dominated. Bayesian statistical methods, including the Markov Chain Monte Carlo fitting technique, are used to simultaneously optimise several hundred systematic parameters describing detector, beam, and neutrino interaction uncertainties as well as the six oscillation parameters.
Book Synopsis Neutrino-electron Scattering in Main Injector Experiment for Ν-A for Constraining the Neutrinos at the Main Injector Neutrino Flux by : Jaewon Park
Download or read book Neutrino-electron Scattering in Main Injector Experiment for Ν-A for Constraining the Neutrinos at the Main Injector Neutrino Flux written by Jaewon Park and published by . This book was released on 2013 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Neutrino-electron elastic scattering is used as a reference process to constrain the neutrino flux at the Main Injector (NuMI) beam observed by the MINERvA experiment. Prediction of the neutrino flux at accelerator experiments from other methods has a large uncertainty, and this uncertainty degrades measurements of neutrino oscillations and neutrino cross-sections. Neutrino-electron elastic scattering is a rare process, but its cross-section is precisely known. With a sample corresponding to 3.5 × 1020 protons on target in the NuMI low-energy neutrino beam, a sample of 120 ve+ --> ve− candidate events were observed with a predicted background of [approximately] 30 events. This results in a flux constraint with 13% fractional precision, which is comparable to the uncertainty in other prediction methods. This technique will be more precise in MINERvA's upcoming higher statistics run in the NuMI medium energy beam and could be valuable for planned neutrino oscillation experiments"--Page iii.
Book Synopsis Neutrino-Electron Scattering in MINERvA for Constraining the NuMI Neutrino Flux by :
Download or read book Neutrino-Electron Scattering in MINERvA for Constraining the NuMI Neutrino Flux written by and published by . This book was released on 2013 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrino-electron elastic scattering is used as a reference process to constrain the neutrino flux at the Main Injector (NuMI) beam observed by the MINERvA experiment. Prediction of the neutrino flux at accelerator experiments from other methods has a large uncertainty, and this uncertainty degrades measurements of neutrino oscillations and neutrino cross-sections. Neutrino-electron elastic scattering is a rare process, but its cross-section is precisely known. With a sample corresponding to $3.5\times10{̂20}$ protons on target in the NuMI low-energy neutrino beam, a sample of $120$ $\nu e-̂\to\nu e-̂$ candidate events were observed with a predicted background of $\approx 30$ events. This results in a flux constraint with $13\%$ fractional precision, which is comparable to the uncertainty in other prediction methods. This technique will be more precise in MINERvA's upcoming higher statistics run in the NuMI medium energy beam and could be valuable for planned neutrino oscillation experiments.
Book Synopsis Neutrino Flux Prediction for the NuMI Beamline by :
Download or read book Neutrino Flux Prediction for the NuMI Beamline written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The determination of the neutrino flux in any conventional neutrino beam presents a challenge for the current and future short and long baseline neutrino experiments. The uncertainties associated with the production and attenuation of the hadrons in the beamline materials along with those associated with the beam optics have a big effect in the flux spectrum knowledge. For experiments like MINERvA, understanding the flux is crucial since it enters directly into every neutrino-nucleus cross-sections measurements. The foundation of this work is predicting the neutrino flux at MINERvA using dedicated measurements of hadron production in hadron-nucleus collisions and incorporating in-situ MINERvA data that can provide additional constraints. This work also includes the prospect for predicting the flux at other detectors like the NOvA Near detector. The procedure and conclusions of this thesis will have a big impact on future hadron production experiments and on determining the flux for the upcoming DUNE experiment.
Book Synopsis Sub-seasonal to Seasonal Prediction by : Andrew Robertson
Download or read book Sub-seasonal to Seasonal Prediction written by Andrew Robertson and published by Elsevier. This book was released on 2018-10-19 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Gap Between Weather and Climate Forecasting: Sub-seasonal to Seasonal Prediction is an ideal reference for researchers and practitioners across the range of disciplines involved in the science, modeling, forecasting and application of this new frontier in sub-seasonal to seasonal (S2S) prediction. It provides an accessible, yet rigorous, introduction to the scientific principles and sources of predictability through the unique challenges of numerical simulation and forecasting with state-of-science modeling codes and supercomputers. Additional coverage includes the prospects for developing applications to trigger early action decisions to lessen weather catastrophes, minimize costly damage, and optimize operator decisions. The book consists of a set of contributed chapters solicited from experts and leaders in the fields of S2S predictability science, numerical modeling, operational forecasting, and developing application sectors. The introduction and conclusion, written by the co-editors, provides historical perspective, unique synthesis and prospects, and emerging opportunities in this exciting, complex and interdisciplinary field. Contains contributed chapters from leaders and experts in sub-seasonal to seasonal science, forecasting and applications Provides a one-stop shop for graduate students, academic and applied researchers, and practitioners in an emerging and interdisciplinary field Offers a synthesis of the state of S2S science through the use of concrete examples, enabling potential users of S2S forecasts to quickly grasp the potential for application in their own decision-making Includes a broad set of topics, illustrated with graphic examples, that highlight interdisciplinary linkages
Book Synopsis Neutrino Flux Prediction for the Numi Beamline by : Leonidas Aliaga Soplin (Ph.D.)
Download or read book Neutrino Flux Prediction for the Numi Beamline written by Leonidas Aliaga Soplin (Ph.D.) and published by . This book was released on 2016 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: The determination of the neutrino flux in any conventional neutrino beam presents a challenge for the current and future short and long baseline neutrino experiments. The uncertainties associated with the production and attenuation of the hadrons in the beamline materials along with those associated with the beam optics have a big effect in the flux spectrum knowledge. For experiments like MINERvA, understanding the flux is crucial since it enters directly into every neutrino-nucleus cross-section measurements. The foundation of this work is predicting the neutrino flux at MINERvA using dedicated measurements of hadron production in hadron-nucleus collisions and incorporating in-situ MINERvA data that can provide additional constraints. This work also includes the prospect for predicting the flux at other detectors like the NOvA Near. The procedure and conclusions of this thesis will have a big impact on future hadron production experiments and on determining the flux for the upcoming DUNE experiment.
Book Synopsis Search for Sterile Neutrinos with the MINOS Long-Baseline Experiment by : Ashley Michael Timmons
Download or read book Search for Sterile Neutrinos with the MINOS Long-Baseline Experiment written by Ashley Michael Timmons and published by Springer. This book was released on 2017-08-10 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis highlights data from MINOS, a long-baseline accelerator neutrino experiment, and details one of the most sensitive searches for the sterile neutrino ever made. Further, it presents a new analysis paradigm to enable this measurement and a comprehensive study of the myriad systematic uncertainties involved in a search for a few-percent effect, while also rigorously investigating the statistical interpretation of the findings in the context of a sterile neutrino model. Among the scientific community, this analysis was quickly recognized as a foundational measurement in light of which all previous evidence for the sterile neutrino must now be (re)interpreted. The existence of sterile neutrinos has long been one of the key questions in the field. Not only are they a central component in many theories of new physics, but a number of past experiments have yielded results consistent with their existence. Nonetheless, they remain controversial: the interpretation of the data showing evidence for these sterile neutrinos is hotly debated.
Book Synopsis Janus And Minerva by : Stanley Hoffmann
Download or read book Janus And Minerva written by Stanley Hoffmann and published by Routledge. This book was released on 2019-03-06 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt: In these essays, one of the most eminent political scientists of our time examines international relations from a variety of perspectives connected by timeless and common themes: the conflict between die ever-present risk of violence and the quest for international order, the tensions between the imperatives of power and those of morality, the ties that bind domestic and foreign policy, the ambiguities of the nuclear revolution, the break between prenuclear and post-1945 politics, and the dangers created by the competition between the nuclear superpowers. Assessing the development of the discipline of international relations, the author presents both a summary of the field's significant findings and a critical discussion of its most representative traditions of realism and liberalism. Written between 1960 and 1985, many of these essays have not been previously published in English. They reflect the author's own intellectual evolution and represent a complete picture of his approach to the study of world politics.
Book Synopsis Western Minerva by : Constantine Samuel Rafinesque
Download or read book Western Minerva written by Constantine Samuel Rafinesque and published by . This book was released on 1821 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Western Minerva; Or, American Annals of Knowledge and Literature. ... by : Constantine Samuel Rafinesque
Download or read book Western Minerva; Or, American Annals of Knowledge and Literature. ... written by Constantine Samuel Rafinesque and published by . This book was released on 1821 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Western Minerva, Or, American Annals of Knowledge and Literature by :
Download or read book Western Minerva, Or, American Annals of Knowledge and Literature written by and published by . This book was released on 1821 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Domain Generalization with Machine Learning in the NOvA Experiment by : Andrew T.C. Sutton
Download or read book Domain Generalization with Machine Learning in the NOvA Experiment written by Andrew T.C. Sutton and published by Springer Nature. This book was released on 2023-12-10 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents significant advances in the use of neural networks to study the properties of neutrinos. Machine learning tools like neural networks (NN) can be used to identify the particle types or determine their energies in detectors such as those used in the NOvA neutrino experiment, which studies changes in a beam of neutrinos as it propagates approximately 800 km through the earth. NOvA relies heavily on simulations of the physics processes and the detector response; these simulations work well, but do not match the real experiment perfectly. Thus, neural networks trained on simulated datasets must include systematic uncertainties that account for possible imperfections in the simulation. This thesis presents the first application in HEP of adversarial domain generalization to a regression neural network. Applying domain generalization to problems with large systematic variations will reduce the impact of uncertainties while avoiding the risk of falsely constraining the phase space. Reducing the impact of systematic uncertainties makes NOvA analysis more robust, and improves the significance of experimental results.
