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Search for elastic nondiagonal lepton-pair production ine+e
Author(s) -
J.J. Gómez-Cadenas,
C. A. Heusch,
G. S. Abrams,
C. Adolphsen,
C. Akerlof,
Haipeng An,
M. Alvarez,
D. Amidei,
A. Baden,
J. Ballam,
B. C. Barish,
T. Barklow,
B. A. Barnett,
J. Bartelt,
D. Blockus,
G. Bonvicini,
A. M. Boyarski,
J. Boyer,
B. Brabson,
A. Breakstone,
J.-M. Brom,
F. Bulos,
P. R. Burchat,
D. L. Burke,
F. Butler,
F. Calviño,
R. J. Cence,
J. Chapman,
D. Cords,
D. P. Coupal,
H. DeStaebler,
D. E. Dorfan,
J. M. Dorfan,
P. S. Drell,
G. J. Feldman,
E. Fernández,
R. C. Field,
W. T. Ford,
C. Fordham,
R. Frey,
D. Fujino,
K. K. Gan,
G. Gidal,
L. Gladney,
T. Glanzman,
Michael S. Gold,
G. Goldhaber,
L. Golding,
A. Green,
P. Grosse-Wiesmann,
J. S. Haggerty,
Gail Hanson,
R. Harr,
F. A. Harris,
C. M. Hawkes,
K. Hayes,
D. Herrup,
T. Himel,
Michael E. Hoenk,
R. J. Hollebeek,
D. P. Hutchinson,
J. Hylen,
W. R. Innes,
M. Jaffré,
J. A. Jaros,
I. Juricic,
J. A. Kadyk,
D. Karlen,
J. Kent,
S. R. Klein,
Akihiro Koide,
W. Koska,
W. Kozanecki,
A. J. Lankford,
R. R. Larsen,
B. W. LeClaire,
M. E. Levi,
Z. Li,
A. M. Litke,
N. S. Lockyer,
V. Lüth,
C. Matteuzzi,
J. A. J. Matthews,
D. I. Meyer,
B. D. Milliken,
K. C. Moffeit,
Laura Müller,
J. Nash,
M. E. Nelson,
D. Nitz,
H. Ogren,
R. A. Ong,
K. O’Shaughnessy,
S. I. Parker,
C. Peck,
A. Petersen,
M. Petradza,
F. C. Porter,
P. Rankin,
B. Richter,
K. Riles,
P. C. Rowson,
D. R. Rust,
H. F-W. Sadrozinski,
T. Schaad,
T. Schalk,
H. Schellman,
W. B. Schmidke,
A.S. Schwarz,
A. Seiden,
P. Sheldon,
J. G. Smith,
A. Snyder,
E. Soderstrom,
D. P. Stoker,
R. Stroynowski,
R. Thun,
G. H. Trilling,
R. Tschirhart,
L. De Paula,
R. Van Kooten,
H. Veltman,
P. Voruganti,
S. R. Wagner,
P. Weber,
A. J. Weinstein,
A. J. Weir,
S. Weisz,
S. L. White,
E. Wicklund,
D. Wood,
D. Y. Wu,
J. Yelton
Publication year - 1991
Publication title -
physical review letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.66.1007
Subject(s) - lepton , physics , pair production , particle physics , annihilation , production (economics) , electron–positron annihilation , conservation law , nuclear physics , hadron , quantum mechanics , economics , macroeconomics , electron
We have searched for the annihilation of e+e- into the exclusive channels e and at s =29 GeV, using 226 and 133 pb-1, respectively, of data taken with the Mark II detector at the SLAC storage ring PEP. The resulting candidate sample is compatible with the expected background from pair production. Our analysis yields 95%-C.L. cross-section limits of e/<1.8×10-3 and /<6.1×10-3, where is the QED cross section for production of a lepton pair. This is the first high-Q2 test of lepton-flavor conservation involving leptons. © 1991 The American Physical Society.

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