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A Search for Decays of the Z to Unstable Neutral Leptons with Mass between 2.5 and 22 GeV
Authors
G.S. Abrams
C.E. Adolphsen
+98 more
D. Averill
J. Ballam
B.C. Barish
T. Barklow
B.A. Barnett
J. Bartelt
S. Bethke
D. Blockus
G. Bonvicini
A. Boyarski
B. Brabson
A. Breakstone
F. Bulos
P.R. Burchat
D.L. Burke
R.J. Cence
J. Chapman
M. Chmeissani
D. Cords
D.P. Coupal
P. Dauncey
H.C. DeStaebler
F. Le Diberder
D.E. Dorfan
J.M. Dorfan
D.C. Drewer
R. Elia
G.J. Feldman
D. Fernandes
R.C. Field
W.T. Ford
C. Fordham
R. Frey
D. Fujino
K.K. Gan
C. Gatto
E. Gero
G. Gidal
T. Glanzman
G. Goldhaber
J.J. Gomez-Cadenas
G. Gratta
G. Grindhammer
P. Grosse-Wiesmann
G. Hanson
R. Harr
B. Harral
F.A. Harris
C.M. Hawkes
K. Hayes
C. Hearty
C.A. Heusch
M.D. Hildreth
T. Himel
D.A. Hinshaw
S.J. Hong
D. Hutchinson
J. Hylen
W.R. Innes
R.G. Jacobsen
J.A. Jaros
C.K. Jung
J.A. Kadyk
J. Kent
M. King
S.R. Klein
D.S. Koetke
S. Komamiya
W. Koska
L.A. Kowalski
W. Kozanecki
J.F. Kral
M. Kuhlen
L. Labarga
A.J. Lankford
R.R. Larsen
M.E. Levi
A.M. Litke
X.C. Lou
V. Luth
J.A.J. Matthews
T. Mattison
J.A. McKenna
B.D. Milliken
K.C. Moffeit
C.T. Munger
W.N. Murray
J. Nash
K.F. O'Shaughnessy
H. Ogren
S.I. Parker
C. Peck
M.L. Perl
F. Perrier
M. Petradza
R. Pitthan
F.C. Porter
P. Rankin
Publication date
1 February 1990
Publisher
eScholarship, University of California
Abstract
Using the sample of neutral vector bosons (Z's) produced at the SLAC Linear Collider and detected with the Mark II detector, we search for the decay of the Z to a pair of particles, one of which decays to two charged particles. The observed number of Z decays with this signature excludes, at a confidence level greater than 95%, the decay of the Z to a pair of fourth-generation Dirac neutrinos with mass between 2.5 and 22 GeV, a decay length less than about 1 cm, and coupling to any of the first three generations of charged leptons. This is the first time the existence of such a lepton coupling to the ± has been excluded by a direct search. © 1990 The American Physical Society
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Sustaining member
eScholarship - University of California
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Last time updated on 25/12/2021
Sustaining member
eScholarship - University of California
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:escholarship.org:ark:/1303...
Last time updated on 25/12/2021