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Author :
Publisher :
ISBN 13 :
Total Pages : 135 pages
Book Rating : 4.:/5 (94 download)
Download or read book A Laser Calibration and Monitoring System for a Neutrino Detector written by and published by . This book was released on 1993 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthias Lüthi
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (87 download)
Download or read book Realization of a Laser Calibration System for the MicroBooNE Neutrino Experiment written by Matthias Lüthi and published by . This book was released on 2014 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Magnus Schlösser
Publisher : Springer
ISBN 13 : 3319062212
Total Pages : 226 pages
Book Rating : 4.3/5 (19 download)
Download or read book Accurate Calibration of Raman Systems written by Magnus Schlösser and published by Springer. This book was released on 2014-05-05 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrinos can arguably be labeled as the most fascinating elementary particles known as their small but non-zero rest mass points to new mass generating mechanisms beyond the Standard Model, and also assigns primordial neutrinos from the Big Bang a distinct role in shaping the evolution of large-scale structures in the universe. The open question of the absolute neutrino mass scale will be addressed by the Karlsruhe Tritium Neutrino (KATRIN) experiment, currently under construction. This thesis reports major contributions to developing and implementing new laser-spectroscopic precision tools to continuously monitor the isotope content of the windowless gaseous tritium source of KATRIN. The method of choice, Raman spectroscopy, is ideally suited for in-situ monitoring of all six hydrogen isotopologues. In a series of beautiful experiments the author obtained two independent novel calibration methods, first based on a comparison of experimental Raman depolarization ratios with corresponding quantum-chemical calculations, and second on a gas sampling technique. Both methods yield consistent cross-calibration results and, as well as yielding improvements in precision, will be of major importance in reducing systematic effects in long-term neutrino mass measurements. The methods developed in this thesis also have great potential to further broaden the applications of Raman spectroscopy to study extended sources such as in atmospheric physics.
Author : Ana M. Mour?o
Publisher : World Scientific
ISBN 13 : 9789810247072
Total Pages : 312 pages
Book Rating : 4.2/5 (47 download)
Download or read book Proceedings of the International Workshop on New Worlds in Astroparticle Physics written by Ana M. Mour?o and published by World Scientific. This book was released on 2001 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume covers many different subjects, from very high energy cosmic rays to neutrino physics, gravitational waves and cosmology. Recent achievements and the exciting years to come are emphasized.
Author : Yujing Sun
Publisher :
ISBN 13 :
Total Pages : 311 pages
Book Rating : 4.:/5 (87 download)
Download or read book Laser Calibration and Event Reconstruction in Double Chooz Experiment written by Yujing Sun and published by . This book was released on 2013 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: The neutrino oscillation mixing angle & theta;sub13\sub was the last mixing angle that had not been determined precisely in 2006 when I started my Ph. D studies. It is exciting to witness how & theta;sub13\sub has evolved from a limit to a precisely measured mixing angle in a short period. The Double Chooz reactor neutrino experiment was the first to report strong evidence for a non-vanishing value of & theta;sub13\sub at the beginning of 2012. The latest analysis, which includes a combined & ldquo;rate+shape & rdquo; analysis of hydrogen and gadolinium capture inverse & beta; & ndash;decay events, has yielded sin\super2\super 2 & theta;sub13\sub = 0.109 & plusmn; 0.035 with only one detector running. This value is consistent with the current numbers from the Daya Bay and Reno experiments. In such a high-precision experiment, precise calibrations are crucial in reaching the ultimate sensitivity. The laser calibration system was developed by the University of Alabama group to calibrate PMT constants such as gains and time offsets, as well as measure the charge likelihoods which are used in the event energy reconstruction and supplement the time likelihoods in improving the position reconstruction accuracy. The second part of this thesis is devoted to the hardware and software development of the laser calibration system, as well as MC studies and data analyses for extracting the PMT gains, time offsets and charge likelihoods. The event reconstruction utilizes the PMT time and charge information to determine the event location and energy, which are essential parameters for all physics analyses. A good understanding of the detector response significantly reduces the detector related systematic errors and improves the sensitivity, especially in the two detector phase, where the dominant uncertainties from the reactor flux mostly cancel out. The third part of this thesis is dedicated to the reconstruction algorithm developed by our group, position accuracy studies and energy reconstruction studies, which aims towards fully understanding the detector response.
Author : Jennifer A. Thomas
Publisher : World Scientific
ISBN 13 : 9812771964
Total Pages : 274 pages
Book Rating : 4.8/5 (127 download)
Download or read book Neutrino Oscillations written by Jennifer A. Thomas and published by World Scientific. This book was released on 2008 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the status of a very exciting field ? neutrino oscillations ? at a very important time. The fact that neutrinos have mass has only been proved in the last few years and the acceptance of that fact has opened up a whole new area of study to understand the fundamental parameters of the mixing matrix.The book summarizes the results from all the experiments which have played a role in the measurement of neutrino oscillations and briefly describes the scope of some new planned experiments. Contributions include a theoretical introduction by Stephen Parke from FNAL, as well as articles from all the major experimental groups who have been pivotal in uncovering the nature of the neutrino mass.
Author : Harry M. Sages
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (381 download)
Download or read book Implementing a Data Analysis System for the Calibration of an Iodine Neutrino Detector written by Harry M. Sages and published by . This book was released on 1997 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amand Faessler
Publisher : Elsevier
ISBN 13 : 1483103153
Total Pages : 438 pages
Book Rating : 4.4/5 (831 download)
Download or read book Neutrinos in Cosmology, Astro, Particle and Nuclear Physics written by Amand Faessler and published by Elsevier. This book was released on 2016-06-06 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrinos in Cosmology, Astro, Particle and Nuclear Physics
Download or read book Principles, Calibration, and Process Experience for a New Laser Aerosol Detector System written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A new type of laser particulate detection instrument has proved extremely valuable in the design and monitoring of oil removal systems for cryogenic refrigeration systems. When located at the inlet of a refrigerator, any aerosol or particulates that could be harmful to the operation of the refrigerator would be detected. Its main features include: in situ measurement of particulates in the high pressure helium continuous monitoring with alarm capabilities which permits automatic shutdown of attended or unattended systems, sensitivity down to a few parts per billion, long-term stability on the order of 10 ppB, and straightforward data interpretation. The concept of continuous automatic calibration and baseline zero adjustment relieves the operator of any manual adjustments or loss of confidence in the signal levels recorded. The 1-second response time allows instant turnoff if the filters experience an oil breakthrough or if an operator inadvertently opens bypass valves around the oil removal system. The stripchart recording allows for long-term comparison of particulate levels to determine if a buildup is occurring and its rate of buildup. It will also aid in predicting the amount of contaminants frozen out in the refrigerator and the operating time remaining before refrigerator shutdown and warmup is required. 8 figures.
Author : Ana Maria Mourao
Publisher : World Scientific
ISBN 13 : 9814490474
Total Pages : 308 pages
Book Rating : 4.8/5 (144 download)
Download or read book New Worlds In Astroparticle Physics - Proceedings Of The Third International Workshop written by Ana Maria Mourao and published by World Scientific. This book was released on 2001-08-30 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume covers many different subjects, from very high energy cosmic rays to neutrino physics, gravitational waves and cosmology. Recent achievements and the exciting years to come are emphasized.
Author : Daniel Douglas
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.3/5 (529 download)
Download or read book Design and Calibration of the Dune Liquid Argon Near Detector written by Daniel Douglas and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Deep Underground Neutrino Experiment (DUNE) will push forward the frontiers of our understanding of the physics governing neutrino interactions and oscillations. The performance of this experiment relies heavily upon a functional and well-calibrated system of near detectors (ND), comprised of three independent detectors. Of these three detectors, the upstream Liquid Argon Time Projection Chamber (LArTPC) is considered to be the primary target due to its precision and similarity to the DUNE far detector units. The ND LArTPC detector will utilize novel detection techniques such as a highly-segmented drift volume with modularized charge and light readout systems, a pixelated charge readout system for unabmiguous 3D reconstruction of charge, and integrated field shaping devices. These technologies, in combination with the high-rate environment of the Long Baseline Neutrino Facility (LBNF) beam necessitate careful understanding of the drift field and electronics response over time.This thesis describes the design of the integrated near detector program, including the Precision Reaction-Independent Spectrum Measurement (PRISM) system for high-precision measurement of the unoscillated neutrino flux at the beam source site. This system allows for motion of the two upstream ND components in the direction transverse to the beam source, allowing for sampling of off-axis flux, granting access to the angular dependence of beam production parameters, and enabling interaction model independent measurement of neutrino oscillation parameters. This thesis will also discuss a program for spatial calibration of the LArTPC component of the near detector system (ND-LAr, or ArgonCube) using both cosmic rays and a dedicated laser photoelectric charge injection system. Included is an example of this calibration scheme in the Module-0 and Module-1 prototype detectors and an analysis of the findings of these measurements.
Author : Kevin Lewis McIlhany
Publisher :
ISBN 13 :
Total Pages : 658 pages
Book Rating : 4.3/5 (121 download)
Download or read book Measurement of Neutrino Nucleon Quasi-elastic Scattering at the Liquid Scintillador Neutrino Detector Experiment written by Kevin Lewis McIlhany and published by . This book was released on 1996 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1032 pages
Book Rating : 4.:/5 (3 download)
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Author : R. Wigmans
Publisher : Oxford University Press
ISBN 13 : 9780198502968
Total Pages : 732 pages
Book Rating : 4.5/5 (29 download)
Download or read book Calorimetry written by R. Wigmans and published by Oxford University Press. This book was released on 2000 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: Particle physics is the science that pursues the age-old quest for the innermost structure of matter and the fundamental interactions between its constituents. Modern experiments in this field rely increasingly on calorimetry, a detection techniques in which the particles of interest are absorbed in the detector. Calorimeters are very intricate instruments, their performance characteristics depend in subtle, sometimes counter-intuitive ways on design details. This book, written by one of the world's foremost experts, is the first comprehensive text on this topic. It provides a fundamental and systematic introduction, in which many intriguing calorimeter features are explained. It also describes the state of the art, both for what concerns the fundamental understanding of calorimetric particle detection and the actual detectors that have been or are being built and operated in experiments. In the last chapter, some landmark scientific discoveries in which calorimetry has played an important role are discussed. This book summarizes and puts into perspective work described in some 600 scientific papers, listed in the bibliography.
Author :
Publisher : DIANE Publishing
ISBN 13 : 9781422318232
Total Pages : 6 pages
Book Rating : 4.3/5 (182 download)
Download or read book Nonlinearity Measurements of High-Power Laser Detectors at NIST written by and published by DIANE Publishing. This book was released on with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thiago Junqueira de Castro Bezerra
Publisher : Springer
ISBN 13 : 4431553754
Total Pages : 202 pages
Book Rating : 4.4/5 (315 download)
Download or read book Double Chooz and Reactor Neutrino Oscillation written by Thiago Junqueira de Castro Bezerra and published by Springer. This book was released on 2015-01-27 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on the author’s work at the Double Chooz Experiment, from 2010 to 2013, the goal of which was to search for electronic anti-neutrino disappearance close to nuclear power plant facilities as a result of neutrino oscillation. Starting with a brief review of neutrino oscillation and the most important past experimental findings in this field, the author subsequently provides a full and detailed description of a neutrino detector, from simulation aspects to detection principles, as well as the data analysis procedure used to extract the oscillation parameters. The main results in this book are 1) an improvement on the mixing angle, θ13, uncertainty by combining two data-sets from neutrino event selection: neutron capture on gadolinium and on hydrogen; and 2) the first measurement of the effective squared mass difference by combining the current reactor neutrino experimental data from Daya Bay, Double Chooz and RENO and taking advantage of their different reactor-to-detector distances. The author explains how these methods of combining data can be used to estimate these two values. Each method results in the best possible sensitivity for the oscillation parameters with regard to reactor neutrinos. They can be used as a standard method on the latest data releases from the current experiments.
Author : S. Bentvelsen
Publisher : Elsevier
ISBN 13 : 0444599169
Total Pages : 1004 pages
Book Rating : 4.4/5 (445 download)
Download or read book Proceedings of the 31st International Conference on High Energy Physics ICHEP 2002 written by S. Bentvelsen and published by Elsevier. This book was released on 2012-12-02 with total page 1004 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first precision measurements on CP violation in the B system are reported. Both the BELLE and the BABAR collaboration presented, among others, results for sin 2ß with much improved accuracy. Results from the Sudbury Neutrino Observatory, SNO, also deserve to be mentioned. The convincing evidence of solar neutrino oscillations had been presented by SNO prior to the conference; a full presentation was given at the conference. An incredibly precise measurement of the anomalous magnetic moment of the muon is reported, a fresh result from the Brookhaven National Laboratory. Apart from these distinct physics highlights, there are also the first results from the new Tevatron run and from the relativistic heavy ion collider RHIC. Theorists write of our ever better understanding of the Standard Model and of what might lie beyond. Risky as it is to highlight only a couple of exciting subjects, it is merely meantto whet the appetite for further reading.
