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Calibration System Of The Photosensors For The Xenon1t Dark Matter Search Experiment And Response Of Liquid Xenon To Low Energy Neutron Interactions
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Book Synopsis Calibration System of the Photosensors for the XENON1T Dark Matter Search Experiment, and Response of Liquid Xenon to Low-energy Neutron Interactions by : Payam Pakarha
Download or read book Calibration System of the Photosensors for the XENON1T Dark Matter Search Experiment, and Response of Liquid Xenon to Low-energy Neutron Interactions written by Payam Pakarha and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Light Propagation and Reflection Off Teflon in Liquid Xenon Detectors for the XENON100 and XENON1T Dark Matter Experiments by : Cecilia Levy
Download or read book Light Propagation and Reflection Off Teflon in Liquid Xenon Detectors for the XENON100 and XENON1T Dark Matter Experiments written by Cecilia Levy and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Designing and Testing the Neutron Source Deployment System and Calibration Plan for a Dark Matter Detector by : Shawn S. Westerdale
Download or read book Designing and Testing the Neutron Source Deployment System and Calibration Plan for a Dark Matter Detector written by Shawn S. Westerdale and published by . This book was released on 2011 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, we designed and tested a calibration and deployment system for the MiniCLEAN dark matter detector. The deployment system uses a computer controlled winch to lower a canister containing a neutron source into the detector where the neutron source pulses to produce calibration data. The winch then pulls the neutron source back out of the detector. We found that the deployment system position is precise to under 0.05 cm, one tenth of the minimum required precision. We designed a canister that will hold the neutron source during the calibration process. The canister will contain a dielectric gel to thermally and electrically insulate the high voltage electronics and the neutron source from the rest of the detector. We calculated the equilibrium temperature change of the calibration neutron source when it is turned on and found that the temperature increases by 92.6+isi K, corresponding to a rise in the dielectric gel height of 1.501i.9 cm. This temperature change is within the service temperature range of the dielectric gel; however, a more thermally conductive gel could still be used to reduce the temperature increase. We simulate the background external neutrons in MiniCLEAN and find that the addition of an air-filled calibration tube to the basic MiniCLEAN design has little effect on the external neutron background rate. Lastly, we simulate the calibration process in order to determine how long we must calibrate MiniCLEAN in order to obtain the desired 5% statistical precision on measurements of the calibration neutron-induced recoil spectrum. We found that a minimum of 2.48x 106 neutrons are needed to measure the total counts in the region of interest in energy to 5% (corresponding to a pulse mode calibration time of 124 seconds assuming that neutrons are produced at a rate of 105 per second), and 2.02x 107 neutrons are needed to achieve 5% measurements of the energy spectrum with 2 KeVee binning in the region of interest (corresponding to a time of 1005 seconds).
Book Synopsis Development of an Outer Detector Optical Calibration System and Analysis of Expected Neutron Backgrounds for the LUX-ZEPLIN Dark Matter Experiment by : Alice Hamer
Download or read book Development of an Outer Detector Optical Calibration System and Analysis of Expected Neutron Backgrounds for the LUX-ZEPLIN Dark Matter Experiment written by Alice Hamer and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Noble Gas Detectors by : Elena Aprile
Download or read book Noble Gas Detectors written by Elena Aprile and published by John Wiley & Sons. This book was released on 2007-02-27 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the physical properties of noble fluids, operational principles of detectors based on these media, and the best technical solutions to the design of these detectors. Essential attention is given to detector technology: purification methods and monitoring of purity, information readout methods, electronics, detection of hard ultra-violet light emission, selection of materials, cryogenics etc. The book is mostly addressed to physicists and graduate students involved in the preparation of fundamental next generation experiments, nuclear engineers developing instrumentation for national nuclear security and for monitoring nuclear materials.
Book Synopsis Relative Scintillation Efficiency of Liquid Xenon in the XENON10 Direct Dark Matter Search by : Angel Manzur
Download or read book Relative Scintillation Efficiency of Liquid Xenon in the XENON10 Direct Dark Matter Search written by Angel Manzur and published by . This book was released on 2009 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Calibration System for Albedo Neutron Dosimeters by :
Download or read book Calibration System for Albedo Neutron Dosimeters written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Albedo neutron dosimeters have proven to be effective as a method of measuring the dose from neutron exposures that other types of neutron detectors cannot measure. Results of research conducted to calibrate an albedo neutron dosemeter are presented. The calibration procedure consisted of exposing the TLD chips to a 46 curie /sup 238/PuBe source at known distances, dose rates and exposure periods. The response of the TLD's is related to the dose rate measured with a dose rate meter to obtain the calibration factor. This calibration factor is then related to the ratio of the counting rates determined by 9-inch and 3-inch Bonner spheres (also called remmeters) and a calibration curve was determined. 17 references, 10 figures, 3 tables.
Book Synopsis FPGA-based Trigger System for the LUX Dark Matter Experiment by :
Download or read book FPGA-based Trigger System for the LUX Dark Matter Experiment written by and published by . This book was released on 2016 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: LUX is a two-phase (liquid/gas) xenon time projection chamber designed to detect nuclear recoils resulting from interactions with dark matter particles. Signals from the detector are processed with an FPGA-based digital trigger system that analyzes the incoming data in real-time, with just a few microsecond latency. The system enables first pass selection of events of interest based on their pulse shape characteristics and 3D localization of the interactions. It has been shown to be >99% efficient in triggering on S2 signals induced by only few extracted liquid electrons. It is continuously and reliably operating since its full underground deployment in early 2013. This document is an overview of the systems capabilities, its inner workings, and its performance.
Book Synopsis The Physics of Background Discrimination in Liquid Xenon, and First Results from Xenon10 in the Hunt for WIMP Dark Matter by :
Download or read book The Physics of Background Discrimination in Liquid Xenon, and First Results from Xenon10 in the Hunt for WIMP Dark Matter written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The physics of background discrimination in liquid xenon, and first results from Xenon10 in the hunt for WIMP dark matter.
Book Synopsis The Photomultiplier Tube Calibration System of the MicroBooNE Experiment by :
Download or read book The Photomultiplier Tube Calibration System of the MicroBooNE Experiment written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on the design and construction of a LED-based fiber calibration system for large liquid argon time projection detectors. This system was developed to calibrate the optical systems of the MicroBooNE experiment. As well as detailing the materials and installation procedure, we provide technical drawings and specifications so that the system may be easily replicated in future LArTPC detectors.
Book Synopsis The Large Hadron Collider by : Lyndon R. Evans
Download or read book The Large Hadron Collider written by Lyndon R. Evans and published by EPFL Press. This book was released on 2009-01-01 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the technology and engineering of the Large Hadron collider (LHC), one of the greatest scientific marvels of this young 21st century. This book traces the feat of its construction, written by the head scientists involved, placed into the context of the scientific goals and principles.
Download or read book Neutrino Physics written by E. Bellotti and published by IOS Press. This book was released on 2003-12-08 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutrino physics contributed in an fundamental way to the progress of science, opening important windows of knowledge in elementary particle physics, as well in astrophysics and cosmology. Substantial experimental efforts are presently dedicated to improve our knowledge on neutrino properties as, in fact, we don't know yet some of the basic ones. Although very significant steps forward have been done, neutrino masses and mixings still remain largely unknown and constitute an important field for future research. Are neutrinos Majorana or Dirac particles? Have they a magnetic moment? Historically, studies on weak processes and, therefore, on neutrino physics, provided first the Fermi theory of weak interactions and then the V-A theory. Finally, the observation of weak neutral currents provided the first experimental evidence for unification of weak and electromagnetic interactions by the so called "Standard Model' of elementary particles. In addition to the results obtained from the measurement of the solar neutrino flux, the study of atmospheric neutrinos strongly supports the hypothesis of neutrino oscillation among different flavours. At the same time, the detection of neutrinos emitted by our Sun gave an important confirmation that the Sun produces energy via a chain of nuclear reactions; in particular in our Sun a specific cycle - the hydrogen cycle - is responsible for practically all the produced energy.
Download or read book Titanium, Zirconium, Thorium written by and published by . This book was released on 1979 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantum Fields and Processes by : John Gough
Download or read book Quantum Fields and Processes written by John Gough and published by Cambridge University Press. This book was released on 2018-04-12 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wick ordering of creation and annihilation operators is of fundamental importance for computing averages and correlations in quantum field theory and, by extension, in the Hudson–Parthasarathy theory of quantum stochastic processes, quantum mechanics, stochastic processes, and probability. This book develops the unified combinatorial framework behind these examples, starting with the simplest mathematically, and working up to the Fock space setting for quantum fields. Emphasizing ideas from combinatorics such as the role of lattice of partitions for multiple stochastic integrals by Wallstrom–Rota and combinatorial species by Joyal, it presents insights coming from quantum probability. It also introduces a 'field calculus' which acts as a succinct alternative to standard Feynman diagrams and formulates quantum field theory (cumulant moments, Dyson–Schwinger equation, tree expansions, 1-particle irreducibility) in this language. Featuring many worked examples, the book is aimed at mathematical physicists, quantum field theorists, and probabilists, including graduate and advanced undergraduate students.
Download or read book Darkling written by Yasmine Galenorn and published by Penguin. This book was released on 2008-01-02 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: The D'Artigo sisters, Camille, Delilah, and Menolly, are half-human, half- Fae operatives for the Otherworld Intelligence Agency. When humans begin to go missing, then turn up as newly born vampires, Menolly- an acrobat extraordinaire-turned-vampire- must face the demons haunting her memories.
Book Synopsis Introduction to Particle and Astroparticle Physics by : Alessandro De Angelis
Download or read book Introduction to Particle and Astroparticle Physics written by Alessandro De Angelis and published by Springer. This book was released on 2018-06-19 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces particle physics, astrophysics and cosmology. Starting from an experimental perspective, it provides a unified view of these fields that reflects the very rapid advances being made. This new edition has a number of improvements and has been updated to describe the recent discovery of gravitational waves and astrophysical neutrinos, which started the new era of multimessenger astrophysics; it also includes new results on the Higgs particle. Astroparticle and particle physics share a common problem: we still don’t have a description of the main ingredients of the Universe from the point of view of its energy budget. Addressing these fascinating issues, and offering a balanced introduction to particle and astroparticle physics that requires only a basic understanding of quantum and classical physics, this book is a valuable resource, particularly for advanced undergraduate students and for those embarking on graduate courses. It includes exercises that offer readers practical insights. It can be used equally well as a self-study book, a reference and a textbook.
Book Synopsis Nuclear Physics by : National Research Council
Download or read book Nuclear Physics written by National Research Council and published by National Academies Press. This book was released on 2013-02-25 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal goals of the study were to articulate the scientific rationale and objectives of the field and then to take a long-term strategic view of U.S. nuclear science in the global context for setting future directions for the field. Nuclear Physics: Exploring the Heart of Matter provides a long-term assessment of an outlook for nuclear physics. The first phase of the report articulates the scientific rationale and objectives of the field, while the second phase provides a global context for the field and its long-term priorities and proposes a framework for progress through 2020 and beyond. In the second phase of the study, also developing a framework for progress through 2020 and beyond, the committee carefully considered the balance between universities and government facilities in terms of research and workforce development and the role of international collaborations in leveraging future investments. Nuclear physics today is a diverse field, encompassing research that spans dimensions from a tiny fraction of the volume of the individual particles (neutrons and protons) in the atomic nucleus to the enormous scales of astrophysical objects in the cosmos. Nuclear Physics: Exploring the Heart of Matter explains the research objectives, which include the desire not only to better understand the nature of matter interacting at the nuclear level, but also to describe the state of the universe that existed at the big bang. This report explains how the universe can now be studied in the most advanced colliding-beam accelerators, where strong forces are the dominant interactions, as well as the nature of neutrinos.
