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Crennell, D.J.
Science Research Council, Chilton (UK). Rutherford Lab.1976
Science Research Council, Chilton (UK). Rutherford Lab.1976
AbstractAbstract
[en] A method is described for the simulation of bubble chamber pictures. This method is used to find the sensitivity for the detection of electrons directly produced in 40 GeV/c π- interactions in the track sensitive hydrogen target (TST) inside the Big European Bubble Chamber (BEBC). At this energy the efficiency of seeing electrons is approximately 90%. (author)
Primary Subject
Source
Jul 1976; 13 p
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Report
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Country of publication
ANTIMATTER, ANTIMESONS, ANTIPARTICLES, BOSONS, CHARGED PARTICLE DETECTION, ELEMENTARY PARTICLES, ELEMENTS, FERMIONS, GAS TRACK DETECTORS, HADRON REACTIONS, HADRONS, LEPTONS, MATTER, MEASURING INSTRUMENTS, MESON REACTIONS, MESONS, NONMETALS, NUCLEAR REACTIONS, PIONS, PSEUDOSCALAR ANTIMESONS, PSEUDOSCALAR MESONS, RADIATION DETECTION, RADIATION DETECTORS
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Crennell, D.J.; Strand, R.C.
Brookhaven National Lab., Upton, N.Y. (USA)1972
Brookhaven National Lab., Upton, N.Y. (USA)1972
AbstractAbstract
No abstract available
Source
6 Jan 1972; 3 p
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Report
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Crennell, D.J.; Fisher, C.M.; Sekulin, R.L.
Science Research Council, Chilton (UK). Rutherford Lab1978
Science Research Council, Chilton (UK). Rutherford Lab1978
AbstractAbstract
[en] Using a Monte Carlo analysis it is shown that the apparent contradiction in the estimates of the hadronic charm production cross-sections from the Beam Dump experiment at the CERN SPS and the direct search for tracks in emulsion can be resolved if the lifetime of the charmed particles is either less than approximately 5.10-16 secs or greater than approximately 10-12 secs. (author)
Primary Subject
Source
Jun 1978; 6 p
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Report
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AbstractAbstract
No abstract available
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Journal Article
Journal
Physical Review. D, Particles Fields; v. 6(5); p. 1220-1254
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AbstractAbstract
No abstract available
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Journal Article
Journal
Physical Review Letters; v. 28(10); p. 643-646
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Crennell, D.J.
Proceedings of the topical conference on neutrino physics at accelerators, Oxford, July 4th-7th, 19781978
Proceedings of the topical conference on neutrino physics at accelerators, Oxford, July 4th-7th, 19781978
AbstractAbstract
[en] An extension of the break-point method for fitting electron spirals in a heavy liquid bubble chamber has been tested on a sample of 140 events from the wide band test neutrino beam into BEBC filled with a NeH2 mixture of radiation length 42 cm. The events were selected by scanning for two and only two primary γ-rays, in the hope that these would include a high proportion of πsup(o) decays. In fact, in only 103 events were both γs actually associated with the primary vertex. The method is compared, in the figures, with a fit to a logarithmic spiral (truncated to an optimum length for angle measurements). Although the figures appear to show a distinct improvement in the πsup(o) width and in the errors on γ momentum, this is a small sample of events with rather low momentum electrons. (U.K.)
Primary Subject
Source
Michette, A.G.; Renton, P.B. (eds.); Science Research Council, Chilton (UK). Rutherford Lab; p. 386-389; 1978; p. 386-389; Topical conference on neutrino physics at accelerators; Oxford, UK; 4 - 7 Jul 1978; Available from Rutherford Lab., Chilton, Didcot, Oxon OX11 OQX
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Report
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Conference
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AbstractAbstract
[en] Using a Monte Carlo analysis it is shown that the apparent contradiction in the estimates of the hadronic charm production cross sections from the beam dump experiment and the direct search for tracks in emulsion can be resolved if the lifetime of the charmed particles is either less than approximately 5 X 10-16s or greater than approximately 10-12s. (Auth.)
Primary Subject
Record Type
Journal Article
Journal
Phys. Lett., B; ISSN 0031-9163; 
; v. 78(1); p. 171-173
; v. 78(1); p. 171-173
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AbstractAbstract
No abstract available
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Journal Article
Journal
Computer Physics Communications; v. 9(2); p. 79-84
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AbstractAbstract
No abstract available
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Journal Article
Journal
Nuclear Physics. B; v. 93(1); p. 1-6
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AbstractAbstract
No abstract available
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Journal Article
Journal
Phys. Lett., B; v. 52(3); p. 372-374
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