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Study Of Rare Muon Decay Modes With The Crystal Box
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Book Synopsis Study of Rare Muon Decay Modes with the Crystal Box by :
Download or read book Study of Rare Muon Decay Modes with the Crystal Box written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on a search for the lepton family-number-nonconserving decays ..mu ... -->..ee−e+, ..mu..+..-->..e+..gamma.., and ..mu..+..-->..e+..gamma gamma.., using the Crystal Box detector at LAMPF. The experiment was run in the stopped muon channel at LAMPF during the winter and summer of 1984. Muons were stopped in the middle of a detector system consisting of a cylindrical drift chamber, a plastic scintillator hodoscope, and a segmented array of sodium iodide crystals. The sodium iodide surrounded the hodoscope and drift chamber. Events consistent with any of the above decays were recorded. The off-line data analysis imposed requirements on the timing, vertex location, and energy and momentum conservation for each event. Radioactive sources, conventional muon decay spectra, and photons from the process ..pi..−p..-->..n..gamma.. and ..pi..−p..-->..n..pi..° were used to provide energy calibration and resolution estimates. The inner bremsstrahlung processes ..mu..+..-->.. e+..gamma nu..anti..nu.. and ..mu..+..-->..e+e−e+..nu..anti..nu.. were observed at the expected rates. Details of the detector, the data analysis, and our latest bounds for the branching ratios will be presented. 33 figs.
Book Synopsis Search for Rare Muon and Pion Decay Modes with the Crystal Box Detector by :
Download or read book Search for Rare Muon and Pion Decay Modes with the Crystal Box Detector written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: New experimental upper limits for the branching ratios of the lepton-family-number nonconserving decays .mu. .-->. e.gamma. and .mu.+ .-->. e+.gamma gamma. are presented. A new determination of .gamma., the ratio of pion axial-vector to vector form factors, from radiative pion decay is also reported. These results are from data taken with the Crystal Box detector at LAMPF.
Book Synopsis Search for Rare Decay Modes of the Muon by :
Download or read book Search for Rare Decay Modes of the Muon written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A brief summary is given on progress in producing an experimental apparatus, called the Crystal Box detector, for searching for extremely rare decay modes of the muon (those decays violating lepton number conservation). The Crystal Box consists of a large solid angle modular NaI(Tl) detector enclosing a cylindrical set of drift chambers and a trigger hodoscope. Associated electronic equipment is also described briefly. (LEW).
Download or read book Energy Research Abstracts written by and published by . This book was released on 1985 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1986 with total page 1108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes all works deriving from DOE, other related government-sponsored information and foreign nonnuclear information.
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1983 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the 1982 DPF Summer Study on Elementary Particle Physics and Future Facilities by : Rene Donaldson
Download or read book Proceedings of the 1982 DPF Summer Study on Elementary Particle Physics and Future Facilities written by Rene Donaldson and published by . This book was released on 1982 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of Los Alamos Research by : Los Alamos National Laboratory
Download or read book Publications of Los Alamos Research written by Los Alamos National Laboratory and published by . This book was released on 1985 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Highlights by : Los Alamos National Laboratory
Download or read book Research Highlights written by Los Alamos National Laboratory and published by . This book was released on with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress Report on Recent Rare Muon Decay Experiments at the Los Alamos Meson Physics Facility by :
Download or read book Progress Report on Recent Rare Muon Decay Experiments at the Los Alamos Meson Physics Facility written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A search has been performed for the decays .mu. .-->. eee, .mu. .-->. e.gamma., and .mu. .-->. e.gamma gamma. with a sensitivity in the branching ratios at the level of 10−1°. The experiment used a separated, 26 MeV/c .mu./sup +/ beam with an average intensity of 300kHz. A total of 2.2 x 1011 muon decays were examined for the present result. The detector for the experiment is the Crystal Box, which consists of a cylindrical drift chamber surrounded by 396 NaI(T1) crystals. A layer of scintillation counters in front of the crystals provided timing for electrons and veto for photons. The energy resolution for electrons and photons is approx. 6% (FWHM). The position resolution of the drift chamber is 350 .mu.m leading to a vertex cut with a rejection of 103 for .mu. .-->. eee. The timing resolution is approx. 300 ps the scintillators and approx. 1 ns from the crystals. No candidate for .mu. .-->. eee has been found, yielding an upper limit for the branching ratio of B/sub .mu. 3e/
Download or read book Physics Briefs written by and published by . This book was released on 1988 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Results for Rare Muon Decays by :
Download or read book New Results for Rare Muon Decays written by and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Branching-ratio limits obtained with the Crystal Box detector are presented for the rare muon decays ..mu.. ..-->.. eee, ..mu.. ..-->.. e..gamma.., and ..mu.. ..-->.. e..gamma gamma ... These decays, which violate the conservation of separate lepton-family numbers, are expected to occur in many extensions to the standard model. We found no candidates for the decay ..mu.. ..-->.. eee, yielding an upper limit for the branching ratio of B/sub ..mu..3e/ 3.1 x 10−11 (90% C.L.). A maximum-likelihood analysis of the ..mu.. ..--.. e..gamma.. candidates yields an upper limit of B/sub ..mu..e..gamma../ 4.9 x 10−11 and an analogous analysis of ..mu.. ..--.. e..gamma gamma.. candidates gives an upper limit of B/sub ..mu..e..gamma gamma../
Book Synopsis Particle Physics by : Necia Grant Cooper
Download or read book Particle Physics written by Necia Grant Cooper and published by CUP Archive. This book was released on 1988-04-29 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explains the emergence of a profoundly new understanding of the fundamental forces of Nature.
Download or read book INIS Atomindex written by and published by . This book was released on 1988 with total page 988 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1986 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Sixteenth LAMPF Users Group Meeting by :
Download or read book Proceedings of the Sixteenth LAMPF Users Group Meeting written by and published by . This book was released on 1983 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
