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A search for free quarks in deep inelastic muon scattering

Authors :
Claus Goessling
W.S.C. Williams
J. McNicholas
H. E. Stier
H. Wahlen
M. Henckes
K. Moser
H. Pessard
Stephen Wimpenny
K.H. Becks
W. Stockhausen
C. Best
R.W. Dobinson
P.J. Hayman
R. W. Clifft
J. Favier
V. Korbel
F. Combley
M. Maire
Jennifer S. Haas
P. Payre
Klaus Hamacher
Richard Mount
Cristiana Peroni
S.C. Brown
M. Leenen
D. Williams
U. Dosselli
Y. Declais
G. Bassompierre
J.K. Davies
M.I. Ferrero
W. Mohr
J.H. Cobb
Uwe Pietrzyk
Joshua Thompson
W.D. Dau
J. Carr
G. von Holtey
V. Gerhardt
M. Schneegans
F.W. Brasse
A. W. Edwards
M. Whalley
L. Urban
G. D'Agostini
J.M. Thenard
A.M. Osborne
P. R. Norton
T. J. Sloan
G.R. Court
W. Flauger
G. Coignet
J. Drees
J. J. Aubert
E. Boehm
Ulrich Landgraf
H. Minssieux
X. De Bouard
E. Gabathuler
C. Broll
H.E. Montgomery
R. Gamet
M. C. Edwards
J. Gayler
K. Rith
Laboratoire d'Annecy de Physique des Particules (LAPP)
Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)
Centre de Physique des Particules de Marseille (CPPM)
Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
EMC
BOMBAR, Claudine
Source :
Physics Letters B, Physics Letters B, 1983, 133, pp.461-466, Physics Letters B, Elsevier, 1983, 133, pp.461-466
Publication Year :
2016

Abstract

A search was made at the CERN SPS for long-lived fractionally charged particles produced in deep inelastic muon interactions on a Be target using the existing muon beam line as a spectrometer. No such particles were found, leading to upper limits for the production cross section of the order of 10 −36 cm 2 for 200 GeV incident muon momentum and quark masses below 9 GeV for the 2 3 charge and 15 GeV for 1 3 charge.

Details

Language :
English
ISSN :
03702693
Database :
OpenAIRE
Journal :
Physics Letters B, Physics Letters B, 1983, 133, pp.461-466, Physics Letters B, Elsevier, 1983, 133, pp.461-466
Accession number :
edsair.doi.dedup.....90ffc35111d35d7d4ae591a3af12b16a