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Backgrounds And Detector Issues At A Muon Collider
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Book Synopsis Backgrounds and Detector Issues at a Muon Collider by :
Download or read book Backgrounds and Detector Issues at a Muon Collider written by and published by . This book was released on 1996 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Backgrounds arising from muon decay at a 4 TeV muon collider are summarized, and some implications for a muon collider detector are discussed. Ideas on how to cope with the significant background levels are also described.
Book Synopsis Backgrounds and Detector Performance at a 2 X 2 TeV[mu][sup+][mu][sup[minus] Collider by :
Download or read book Backgrounds and Detector Performance at a 2 X 2 TeV[mu][sup+][mu][sup[minus] Collider written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The rich physics potential of a high-energy high-luminosity[mu][sup+][mu][sup[minus]] collider and the surprising feasibility of a design attract the attention of many people these days. A few issues define the practicality of such a project, with the enormous particle background levels in a detector due to unavoidable reasons holding first place. In contrast to hadron colliders where particle backgrounds come both from interaction point (IP) and accelerator, almost all the backgrounds in the muon collider detectors arise in the machine. The decay length for 2 TeV muons is[lambda][sub D][sup[minus]1][approximately]10[sup[minus]7] m[sup[minus]1]. With 10[sup 12] muons in a bunch one has 10[sup 5] decays per meter in a single pass through an interaction region, and 10[sup 8] decays per meter per 12 msec store. This paper examines two major classes of detector backgrounds presented in the muon collider: beam halo backgrounds, and the[open-quotes]direct[close-quotes] backgrounds from electrons from[mu][yields]e[nu][bar[nu]] decay occurring in the beam channel. The authors describe the nature of both of these backgrounds, provide results of first realistic calculations for both sources and discuss their effects on plausible detectors. Various shielding and collimation geometries have been simulated, and their efficacy and the nature of the surviving background discussed.
Book Synopsis Backgrounds and Detector Performance at a 2 X 2 TeV??− Collider by :
Download or read book Backgrounds and Detector Performance at a 2 X 2 TeV??− Collider written by and published by . This book was released on 1995 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rich physics potential of a high-energy high-luminosity??− collider and the surprising feasibility of a design attract the attention of many people these days. A few issues define the practicality of such a project, with the enormous particle background levels in a detector due to unavoidable reasons holding first place. In contrast to hadron colliders where particle backgrounds come both from interaction point (IP) and accelerator, almost all the backgrounds in the muon collider detectors arise in the machine. The decay length for 2 TeV muons is?{sub D}−1 -10−7 m−1. With 1012 muons in a bunch one has 105 decays per meter in a single pass through an interaction region, and 108 decays per meter per 12 msec store. This paper examines two major classes of detector backgrounds presented in the muon collider: beam halo backgrounds, and the {open_quotes}direct{close_quotes} backgrounds from electrons from????????e?{bar {nu}} decay occurring in the beam channel. The authors describe the nature of both of these backgrounds, provide results of first realistic calculations for both sources and discuss their effects on plausible detectors. Various shielding and collimation geometries have been simulated, and their efficacy and the nature of the surviving background discussed.
Book Synopsis Optimization of a Muon Collider Interaction Region with Respect to Detector Backgrounds and the Heat Load to the Cryogenic Systems by :
Download or read book Optimization of a Muon Collider Interaction Region with Respect to Detector Backgrounds and the Heat Load to the Cryogenic Systems written by and published by . This book was released on 1996 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics Validation Studies for Muon Collider Detector Background Simulations by :
Download or read book Physics Validation Studies for Muon Collider Detector Background Simulations written by and published by . This book was released on 2011 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Within the broad discipline of physics, the study of the fundamental forces of nature and the most basic constituents of the universe belongs to the field of particle physics. While frequently referred to as 'high-energy physics, ' or by the acronym 'HEP, ' particle physics is not driven just by the quest for ever-greater energies in particle accelerators. Rather, particle physics is seen as having three distinct areas of focus: the cosmic, intensity, and energy frontiers. These three frontiers all provide different, but complementary, views of the basic building blocks of the universe. Currently, the energy frontier is the realm of hadron colliders like the Tevatron at Fermi National Accelerator Laboratory (Fermilab) or the Large Hadron Collider (LHC) at CERN. While the LHC is expected to be adequate for explorations up to 14 TeV for the next decade, the long development lead time for modern colliders necessitates research and development efforts in the present for the next generation of colliders. This paper focuses on one such next-generation machine: a muon collider. Specifically, this paper focuses on Monte Carlo simulations of beam-induced backgrounds vis-a-vis detector region contamination. Initial validation studies of a few muon collider physics background processes using G4beamline have been undertaken and results presented. While these investigations have revealed a number of hurdles to getting G4beamline up to the level of more established simulation suites, such as MARS, the close communication between us, as users, and the G4beamline developer, Tom Roberts, has allowed for rapid implementation of user-desired features. The main example of user-desired feature implementation, as it applies to this project, is Bethe-Heitler muon production. Regarding the neutron interaction issues, we continue to study the specifics of how GEANT4 implements nuclear interactions. The GEANT4 collaboration has been contacted regarding the minor discrepancies in the neutron interaction cross sections for boron. While corrections to the data files themselves are simple to implement and distribute, it is quite possible, however, that coding changes may be required in G4beamline or even in GEANT4 to fully correct nuclear interactions. Regardless, these studies are ongoing and future results will be reflected in updated releases of G4beamline.
Book Synopsis Physics Potential and Development of Mu-mu Colliders: Fourth International Conference by : David Cline
Download or read book Physics Potential and Development of Mu-mu Colliders: Fourth International Conference written by David Cline and published by American Institute of Physics. This book was released on 1998-09-25 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings volume compiles 123 papers that were presented orally or as posters at the National Center for Photovoltaics (NCPV) Program Review Meeting, held in Denver, Colorado, on September 8-11, 1998. The purpose of this meeting was to highlight the advances made in various areas of photovoltaics by and through the NCPV during the period of December 1997 to September 1998. Topics covered ranged from research in crystalline silicon and thin-film technologies, to manufacturing of photovoltaic modules, to applications of and markets for photovoltaic products.
Book Synopsis Handbook Of Accelerator Physics And Engineering (Third Edition) by : Alexander Wu Chao
Download or read book Handbook Of Accelerator Physics And Engineering (Third Edition) written by Alexander Wu Chao and published by World Scientific. This book was released on 2023-02-02 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by internationally recognized authorities in the field, this expanded and updated new edition of the bestselling Handbook, containing many new articles, is aimed at the design and operation of modern particle accelerators. It is intended as a vade mecum for professional engineers and physicists engaged in these subjects. With a collection of more than 2000 equations, 300 illustrations and 500 graphs and tables, here one will find, in addition to common formulae of previous compilations, hard to find, specialized formulae, recipes and material data pooled from the lifetime experience of many of the world's most able practioners of the art and science of accelerators.The seven chapters include both theoretical and practical matters as well as an extensive glossary of accelerator types. Chapters on beam dynamics and electromagnetic and nuclear interactions deal with linear and nonlinear single particle and collective effects including spin motion, beam-environment, beam-beam, beam-electron, beam-ion and intrabeam interactions. The impedance concept and related calculations are dealt with at length as are the instabilities due to the various interactions mentioned. A chapter on operational considerations including discussions on the assessment and correction of orbit and optics errors, realtime feedbacks, generation of short photon pulses, bunch compression, phase-space exchange, tuning of normal and superconducting linacs, energy recovery linacs, free electron lasers, cryogenic vacuum systems, steady state microbuching, cooling, space-charge compensation, brightness of light sources, collider luminosity optimization and collision schemes, machine learning, multiple frequency rf systems, FEL seeding, ultrafast electron diffraction, and Gamma Factory. Chapters on mechanical and electrical considerations present material data and important aspects of component design including heat transfer and refrigeration. Hardware systems for particle sources, feedback systems, confinement, including undulators, and acceleration (both normal and superconducting) receive detailed treatment in a sub-systems chapter, beam measurement and apparatus being treated therein as well.A detailed name and subject index is provided together with reliable references to the literature where the most detailed information available on all subjects treated can be found.
Book Synopsis Detector Possibilities for A??− Collider by :
Download or read book Detector Possibilities for A??− Collider written by and published by . This book was released on 1996 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report discusses the problem of large background in detectors used in a muon-antimuon collider and proposes its solution through specific modifications to the CDF design. 4 refs., 2 figs.
Book Synopsis Handbook of Accelerator Physics and Engineering by : Alexander Wu Chao
Download or read book Handbook of Accelerator Physics and Engineering written by Alexander Wu Chao and published by World Scientific. This book was released on 2013 with total page 849 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by internationally recognized authorities in the field, this expanded and updated new edition of the bestselling Handbook, containing more than 100 new articles, is aimed at the design and operation of modern particle accelerators. It is intended as a vade mecum for professional engineers and physicists engaged in these subjects. With a collection of more than 2000 equations, 300 illustrations and 500 graphs and tables, here one will find, in addition to the common formulae of previous compilations, hard-to-find, specialized formulae, recipes and material data pooled from the lifetime experience of many of the world''s most able practitioners of the art and science of accelerators.The eight chapters include both theoretical and practical matters as well as an extensive glossary of accelerator types. Chapters on beam dynamics and electromagnetic and nuclear interactions deal with linear and nonlinear single particle and collective effects including spin motion, beam-environment, beam-beam, beam-electron, beam-ion and intrabeam interactions. The impedance concept and related calculations are dealt with at length as are the instabilities associated with the various interactions mentioned. A chapter on operational considerations includes discussions on the assessment and correction of orbit and optics errors, real-time feedbacks, generation of short photon pulses, bunch compression, tuning of normal and superconducting linacs, energy recovery linacs, free electron lasers, cooling, space-charge compensation, brightness of light sources, collider luminosity optimization and collision schemes. Chapters on mechanical and electrical considerations present material data and important aspects of component design including heat transfer and refrigeration. Hardware systems for particle sources, feedback systems, confinement and acceleration (both normal conducting and superconducting) receive detailed treatment in a subsystems chapter, beam measurement techniques and apparatus being treated therein as well. The closing chapter gives data and methods for radiation protection computations as well as much data on radiation damage to various materials and devices.A detailed name and subject index is provided together with reliable references to the literature where the most detailed information available on all subjects treated can be found.
Book Synopsis Comparison of Backgrounds in Detectors for LHC, NLC And??− Colliders by :
Download or read book Comparison of Backgrounds in Detectors for LHC, NLC And??− Colliders written by and published by . This book was released on 1996 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: Background levels in detectors at future high-luminosity colliders of three different types - proton-proton, electron-positron, and muon- antimuon - are analyzed. Two sources - debris from the collision points and those from an accelerator tunnel - are studied. It is shown that hadron, electron and muon colliders are similar and very different at the same time with respect to background origin, integrated radiation levels and instantaneous rates of particles in the detectors. 23 refs., 11 figs., 4 tabs.
Book Synopsis Techniques and Concepts of High-Energy Physics IX by : Thomas Ferbel
Download or read book Techniques and Concepts of High-Energy Physics IX written by Thomas Ferbel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 541 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ninth Advanced Study Institute (AS!) on Techniques and Concepts of High Energy Physics was almost canceled before ifbegan! A certain visitor to the area (Hurricane Bertha) arrived unexpectedly early in 1996. It was the first hur ricane in memory to menace the Caribbean in early July! Fortunately, it passed St. Croix several days before our meeting, and left very little damage. (The Altar ellis survived the eye of the storm in the in the British West Islands!) The meeting was held once again at the hotel on the Cay, on that spec of land in the harbor ofChrirtiansted, St. Croix, U. S. Virgin Islands. After the first two days of, at times, outrageous downpour, the 71 participants from 26 coun tries began to relax and enjoy the lectures and the lovely surroundings of the In stitute. The primary support for the meeting was provided by the ~cientific Affairs Division of the North Atlantic Treaty Organization (NATO). The ASI was cosponsored by the U. S. department of Energy, by the Fermi National Accelera tor Laboratory (Fermi-lab), by the U. S. National Science Foundation, and by the University of Rochester. In addition, the International Science Foundation con tributed to the support of a participant from Russia. As in the case of the previous ASIs, the scientific program was designed for advanced graduate students and recent Ph. D. recipients in experimental parti cle physics.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Muon Collider Machine-Detector Interface by :
Download or read book Muon Collider Machine-Detector Interface written by and published by . This book was released on 2011 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to realize the high physics potential of a Muon Collider (MC) a high luminosity of??−-collisions at the Interaction Point (IP) in the TeV range must be achieved (H"034 cm−2s−1). To reach this goal, a number of demanding requirements on the collider optics and the IR hardware - arising from the short muon lifetime and from relatively large values of the transverse emittance and momentum spread in muon beams that can realistically be obtained with ionization cooling should be satisfied. These requirements are aggravated by limitations on the quadrupole gradients as well as by the necessity to protect superconducting magnets and collider detectors from muon decay products. The overall detector performance in this domain is strongly dependent on the background particle rates in various sub-detectors. The deleterious effects of the background and radiation environment produced by the beam in the ring are very important issues in the Interaction Region (IR), detector and Machine-Detector Interface (MDI) designs. This report is based on studies presented very recently.
Book Synopsis The Muon Collider- Status and Physics Prospects by :
Download or read book The Muon Collider- Status and Physics Prospects written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The current status of the muon collider is presented, with a brief historical review. The proton source and the pion production and decay channel needed for a first muon collider (FMC) are described. A brief review of ionization cooling theory is followed by the current status of cooling ideas. The acceleration scheme and the collider ring are presented, followed by the backgrounds expected in a muon collider detector and the physics potential of such a detector. The physics potential of a muon storage ring that acts as an intense neutrino source of well-defined flavor is reviewed.
Book Synopsis Muon Background in a 1.0-TeV Linear Collider by :
Download or read book Muon Background in a 1.0-TeV Linear Collider written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The first detailed, quantitative study of muon background in a linear collider was done by G. Feldman in 1988 for the Mark 2 detector at the Stanford Linear Collider (SLC). This followed the observation of an intolerable number of muons coming from beam-halo collimators in the SLC final focus. For his study of the problem, Feldman wrote the program MUCARLO, Version 1.0, which successfully reproduced the experimental results for the number and spatial distribution of muons hitting Mark 2. The background in Mark 2, and subsequently SLD, was reduced to a tolerable level by installing magnetized iron spoilers in the final focus tunnels and by adding beam scrapers in the last three sectors of the linac, approximately 1,500 meters from the collider hall and separated from the detector by the SLC arcs. For application to a true linear collider, MUCARLO was modified to include variable-energy primary beams up to 250 GeV and a linac with optical lattice and waveguide in front of the final focus. More recently the Next Linear Collider (NLC) design group at SLAC has included a collimation system between the linac and final focus which will continuously intercept up to 1% of a 500 GeV beam, or an average power of 84 kW. The collimation system consists of a sequence of six spoiler/total absorber combinations. It is separated from the final focus by a 10-mrad big bend which generates a crossing angle at the IP, allows switching between multiple IPs, and aids muon protection. The main sources of muons for the study described here are the six Hi-Z total absorbers in the collimation system. This study expands on the work in Ref. 1 by including: a 500 GeV beam (instead of 250 GeV); direct e[sup +] annihilation, e[sup +]e[sup [minus]] [r-arrow] [mu][sup +][mu][sup [minus]] and a calculation of muons from photopion production.
Book Synopsis Hadron Colliders At The Highest Energy And Luminosity: Proceedings Of The 34th Wrshp Of The Infn Project by : Alessandro G Ruggiero
Download or read book Hadron Colliders At The Highest Energy And Luminosity: Proceedings Of The 34th Wrshp Of The Infn Project written by Alessandro G Ruggiero and published by World Scientific. This book was released on 1998-02-24 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: The quest for the revelation of the deepest composition of the structure of matter and the nature of the fundamental forces that bind them together is underway, using experiments with colliding hadron beams at the largest energy and luminosity that present and near-future accelerator technology can allow. This book gives the physics motivation of such a collider and discusses the benefits and requirements of the experimental program. Obviously the size of the collider is a major concern, and that is determined by the bending field which is possible to achieve in superconducting magnets; the book includes a discussion on the ultimate expected magnetic field that can be reached. There are also presentations of straw-man designs; in particular, the effects of the synchrotron radiation, which are quite significant at very large energies and large bending fields, are examined, with the possibility of taking advantage of them for the attainment of small beam size and thus luminosity. In addition, detector issues are discussed, especially in relation to the large expected background, the total number of events, and the difficulties of gathering and selecting relevant events. Finally, there is a discussion on the social and political implications of such a project.
Book Synopsis Detector Possibilities for A[mu][sup+][mu][sup[minus] Collider by :
Download or read book Detector Possibilities for A[mu][sup+][mu][sup[minus] Collider written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report discusses the problem of large background in detectors used in a muon-antimuon collider and proposes its solution through specific modifications to the CDF design. 4 refs., 2 figs.
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