Experimental Study of Inclusive Muon Spectra at PETRA

The results of a high-statistics study of inclusive muon spectra at PETRA are reported. Improved mass limits have been obtained for heavy quarks, heavy leptons, and charged Higgs particles. It is shown that the fragmentation properties of b quarks and c quarks are different, with the mean fragmentat...

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Main Authors: Adeva, B., Barber, D. P., Becker, U., Berdugo, J., Berghoff, G., Bohm, A., Branson, J. G., Burger, J. D., Capell, M., Cerrada, M., Chang, C. C., Chen, H. S., Chen, M., Chen, M. L., Chen, M. Y., Chu, Y. S., Clare, R., Deffur, E., Demarteau, M., Duinker, P., Feng, Z. Y., Fesefeldt, H. S., Fong, D., Fukushima, M., Harting, D., Hebbeker, T., Herten, G., Ho, M. C., Ilyas, M. M., Jiang, D. Z., Krenz, W., Kuijer, P., Li, Q. Z., Luckey, David, Luit, E. J., Mana, C., Marquina, M. A., Massaro, G. G. G., Mount, R., Newman, H., Pohl, M., Poschmann, F. P., Rau, R. R., Revol, J. P., Rodriguez, S., Rohde, M., Rubio, J. A., Rykaczewski, H., Salicio, J., Schulz, I., Sinram, K., Steuer, M., Swider, G. M., Tang, H. W., Teuchert, D., Ting, Samuel C. C., Tung, K. L., Wang, M. Q., White, M., Wu, H. G., Wu, S. X., Wyslouch, B., Zhou, B., Zhu, R. Y., Zhu, Y. C.
Format: Report
Language:English
Subjects:
00-38.54 GEV-CMS
BOTTOM PARTICLE: BRANCHING RATIO
BOTTOM PARTICLE: SEMILEPTONIC DECAY
CHARMED PARTICLE: BRANCHING RATIO
CHARMED PARTICLE: SEMILEPTONIC DECAY
COLLIDING BEAMS: ELECTRON POSITRON
DESY PETRA STOR
ELECTRON POSITRON > > 2JET MUON
ELECTRON POSITRON: COLLIDING BEAMS
ELECTRON POSITRON: INCLUSIVE REACTION
ELECTROPRODUCTION: JET
ELECTROPRODUCTION: MUON
EXPERIMENTAL RESULTS
heavy quark
JET: ELECTROPRODUCTION
JET: THRUST
LOWER LIMIT: MASS
MARK J
MASS: LOWER LIMIT
MOMENTUM SPECTRUM
MUON: ELECTROPRODUCTION
QUARK: FRAGMENTATION
SEARCH FOR: HEAVY LEPTON
SEARCH FOR: HIGGS PARTICLE
SEARCH FOR: NEW PARTICLE
SEMILEPTONIC DECAY: BOTTOM PARTICLE
SEMILEPTONIC DECAY: CHARMED PARTICLE
SPECTRUM: TRANSVERSE MOMENTUM
TRANSVERSE MOMENTUM: SPECTRUM
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Description
Summary:The results of a high-statistics study of inclusive muon spectra at PETRA are reported. Improved mass limits have been obtained for heavy quarks, heavy leptons, and charged Higgs particles. It is shown that the fragmentation properties of b quarks and c quarks are different, with the mean fragmentation variables 〈zb〉=0.75±0.03±0.06, 〈zc〉=0.46±0.02±0.05 and the average semileptonic branching ratio for the B and C hadrons R(B)=(10.5±1.5±1.3)%, R(C)=(11.5±1.0±1.7)%.
ISSN:0031-9007
1092-0145
1079-7114
DOI:10.3204/pubdb-2017-13625