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![Download A Method to Search for Mu --] E Gamma Decays with High Intensity Muon Sources PDF Online Free](https://books.google.com/books/content/images/frontcover/U3K4DAEACAAJ?fife=w200-h370)
Download or read book A Method to Search for Mu --] E Gamma Decays with High Intensity Muon Sources written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract Not Provided.
![Download A Method to Search for Mu --] E Gamma Decays with High Intensity Muon Sources PDF Online Free](https://books.google.com/books/content/images/frontcover/k1uLDAEACAAJ?fife=w200-h370)
Author : Fritz DeJongh
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (316 download)
Download or read book A Method to Search for Mu --] E Gamma Decays with High Intensity Muon Sources written by Fritz DeJongh and published by . This book was released on 2005 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Muon beamlines such as the one being designed for the MECO experiment will provide a large increase in muon stopping rates, allowing for possible large increases in sensitivity to {mu} {yields} e{gamma}. As higher-power proton-drivers become available, even higher rates will become possible. We have analyzed the capabilities of a detector for {mu} {yields} e{gamma} using pixel detectors to track the positron, and a conversion pair from the photon. We find that an initial detector with a beamline comparable to MECO and 10% of the coverage of the MEGA experiment can already be competitive with experiments currently under construction with a modest amount of live-time. By increasing the coverage and running longer, it should be possible to go further. We have found that the accidental backgrounds depend strongly on the thickness of the photon converter, providing a way to make continued major progress as improved pixel detectors and more intense muon sources become available.
Download or read book The MEGA (Muon Decays Into an Electron and a GAmma Ray) Experiment written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The MEGA experiment is designed to search for the .mu. .-->. e.gamma. process with a branching ratio sensitivity of 10−13. This decay violates the empirically established rule of lepton family number conservation and lies outside the Standard Model of electroweak interactions. In order for the experiment to make a factor of 500 improvement over the existing limit, a new design was adopted that employs highly modular, fast detectors and state-of-the-art electronic readout. The detectors are contained in a 15 kG solenoidal field produced by a superconducting magnet. The central region is a positron spectrometer, and the outer region is four layers of pair spectrometers. Data taking is expected to commence in 1989. 6 refs., 3 figs.
![Download Search for the Neutrinoless Muon Decay. Mu. . --]. E. Gamma PDF Online Free](https://books.google.com/books/content/images/frontcover/ifyiAQAACAAJ?fife=w200-h370)
Download or read book Search for the Neutrinoless Muon Decay. Mu. . --]. E. Gamma written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Separate muon, electron, and tau numbers are conserved in the minimal standard model of electroweak interactions with massless neutrinos. However, in many extensions to the standard model, separate lepton numbers are not expected to be conserved quantities. A new search for muon number non-conserving processes has been undertaken at the Los Alamos Meson Physics Facility (LAMPF), specifically to look for three neutrinoless decay modes of the muon. The search for the decay of a muon to an electron and a photon is discussed here. A new detector facility, located in the LAMPF stopped muon channel, was developed for this experiment. This Crystal Box detector consists of a cylindrical drift chamber surrounded by a plastic scintillator hodoscope and a large solid angle, modularized, NaI(Tl) calorimeter. The apparatus measures the trajectories, relative timing, and energies of charged particles and photons from the decays of positive muons stopped in a central target. The assembly and calibration of the detector are described, and the procedure for taking data is discussed. The sample of 1.3 million candidate events, from the first data run of the Crystal Box, was analyzed using a maximum-likelihood method. The upper limit on the branching ratio, relative to normal muon decay, for a muon decaying to an electron and a photon is found to be consistent with previous measurements. With 90% confidence, the branching ratio for this neutrinoless decay is observed to be less than 2.8 x 101°.
![Download A Search for the Rare Decay [mu]+ --> E+[gamma][gamma] PDF Online Free](https://books.google.com/books/content/images/frontcover/3xYeHAAACAAJ?fife=w200-h370)
Author : David Paul Grosnick
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (818 download)
Download or read book A Search for the Rare Decay [mu]+ --> E+[gamma][gamma] written by David Paul Grosnick and published by . This book was released on 1987 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leo Anthony Van Ausdeln
Publisher :
ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (344 download)
Download or read book A Photon Detector System for the Search for the Rare Muon Decay Mu, E Gamma written by Leo Anthony Van Ausdeln and published by . This book was released on 1993 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (873 download)
Download or read book Search for Excited and Exotic Muons in the Mu Gamma Decay Channel in P Anti-p Collisions at S**1/2 written by and published by . This book was released on 2006 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a search for excited and exotic muon states [mu]*, conducted using an integrated luminosity of 371 pb−1 of data collected in p{bar p} collisions at √s = 1.96 TeV at the Tevatron with the CDF II detector. They search for associated production of [mu][mu]* followed by the decay [mu]* → [mu][gamma], resulting in the [mu][mu][gamma] final state. They compare the data to model predictions as a function of the mass of the excited muon M{sub [mu]*}, the compositeness energy scale [Lambda], and the gauge coupling factor f. No signal above the standard model expectation is observed in the [mu][gamma] mass spectrum. In the contact interaction model, they exclude 107
Author :
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ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.0/5 ( download)
Download or read book High Energy Physics Index written by and published by . This book was released on 1990 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D Chang
Publisher : World Scientific
ISBN 13 : 9814546089
Total Pages : 294 pages
Book Rating : 4.8/5 (145 download)
Download or read book Particle Physics Phenomenology - Proceedings Of The Third International Workshop written by D Chang and published by World Scientific. This book was released on 1997-06-16 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: At this workshop, there are two pedagogical lectures on heavy quark effective theory and heavy quarkonium, given by B Grinstein and E Braaten. This is followed by eighteen talks addressing recent experimental and theoretical developments on a variety of topics. They include applications of heavy quark effective theory, heavy ion physics, CP violation in kaon and bottom mesons, implications of Higgs particle discovery, rare decays of kaons and pions, and new physics beyond the standard model.
![Download Search for the Decay. Mu. . --]. E. Gamma PDF Online Free](https://books.google.com/books/content/images/frontcover/-Qp3AQAACAAJ?fife=w200-h370)
Download or read book Search for the Decay. Mu. . --]. E. Gamma written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This Letter reports a new experimental search for the family-number-nonconserving decay ..mu.. ..-->.. e..gamma ... There is no evidence for the presence of this decay mode. The upper limit for the branching ratio is GAMMA(..mu.. ..-->.. e..gamma..)/GAMMA(..mu.. ..-->.. enu anti nu)
![Download Search For. Mu. . --]. E. Gamma. [Branching Ratio Upper Limit]. PDF Online Free](https://books.google.com/books/content/images/frontcover/eMaSAQAACAAJ?fife=w200-h370)
Download or read book Search For. Mu. . --]. E. Gamma. [Branching Ratio Upper Limit]. written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Using the Stopped Muon Channel at LAMPF to produce a surface muon beam, 2.3 x 1012 muons were stopped in a 50 mg/cm2 target. The solid angle-efficiency product of the detector for the rare decay .mu. .-->. e.gamma. was 1.2%. Hence, 3 x 101° .mu./sup +/ decays were examined. There is no indication of any signal, the data being consistent with a small background of random electron and gamma coincidences. The new upper limit on the branching ratio is GAMMA(.mu./sup +/ .-->. e/sup +/.gamma.)/GAMMA(.mu./sup +/ .-->. e/sup +/.nu./sub e/.nu.−/sub mu/)
![Download A Search for the Rare Decay. Mu. . --]. E. Gamma Gamma PDF Online Free](https://books.google.com/books/content/images/frontcover/ekpdAQAACAAJ?fife=w200-h370)
Download or read book A Search for the Rare Decay. Mu. . --]. E. Gamma Gamma written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental search for the lepton-family number nonconserving decay, .mu. .-->. e.gamma gamma., has been conducted at the Clinton P. Anderson Meson Physics Facility (LAMPF) using the Crystal Box detector. The detector consists of a modular NaI(Tl) calorimeter, scintillator hodoscope, and a high-resolution, cylindrical drift chamber. It provides a large solid-angle for detecting three-body decays and has good resolutions in the time, position, and energy measurements to eliminate unwanted backgrounds. No evidence for .mu.+ .-->. e+.gamma gamma. is found, giving an upper limit for the branching ratio of GAMMA(.mu. .-->. e.gamma gamma.)/GAMMA(.mu. .-->. e nu anti nu) less than or equal to 7.2 x 10−11 (90% C.L.). This result is an improvement of more than two orders of magnitude in the existing limit. 109 refs., 39 figs.
Author :
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
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ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (893 download)
Download or read book (A High Sensitivity Search for Mu Gamma written by and published by . This book was released on 1990 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past 12 month period the Valparaiso University group has been active on LAMPF experiment 969, known as the MEGA experiment. This experiment is a search for the decay [mu] -> e [gamma], a decay which would violate lepton number conservation and which is strictly forbidden by the standard model for electroweak interactions. Previous searches for this decay mode have set limit the present day limit of 4.9 × 10−11. The MEGA experiment is designed to test the standard model predictions to one part in 10{sup +13}.
![Download Experimental Issues of the Search for [mu]->e+[gamma] Decay in the MEG Experiment at Paul Sherrer Institut PDF Online Free](https://books.google.com/books/content/images/frontcover/SE5DAQAACAAJ?fife=w200-h370)
Author : Giovanni Gallucci
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (955 download)
Download or read book Experimental Issues of the Search for [mu]->e+[gamma] Decay in the MEG Experiment at Paul Sherrer Institut written by Giovanni Gallucci and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download A Search for [mu][arrow]e[gamma] PDF Online Free](https://books.google.com/books/content/images/frontcover/X50snQEACAAJ?fife=w200-h370)
Author : Rebecca L. Carrington
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (386 download)
Download or read book A Search for [mu][arrow]e[gamma] written by Rebecca L. Carrington and published by . This book was released on 1978 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keith M. Stantz
Publisher :
ISBN 13 :
Total Pages : 510 pages
Book Rating : 4.:/5 (49 download)
Download or read book Search for the Rare Muon Decay Muon Plus Going to Positron Gamma written by Keith M. Stantz and published by . This book was released on 1997 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
