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Search for the rare radiative decay W -> pi gamma in p(p)over-bar collisions at root s=1.96 TeV

Aaltonen T.
•
Alvarez Gonzalez B.
•
Amerio S.
altro
SCURI, Fabrizio
2012
  • journal article

Periodico
PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Abstract
We present a search for the rare radiative decay W+ -> pi(+)gamma using data corresponding to an integrated luminosity of 4.3 fb(-1) of proton-antiproton collisions at a center-of-mass energy of 1.96 TeV collected by the CDF experiment at Fermilab. As no statistically significant signal is observed, we set a 95%-confidence- level upper limit on the relative branching fraction Gamma(W+ -> pi(+)gamma)/Gamma(W+ -> e(+) nu) at 6.4 x 10(-5), a factor of 10 improvement over the previous limit.
DOI
10.1103/PhysRevD.85.032001
WOS
WOS:000299938000001
Archivio
http://hdl.handle.net/11390/878170
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84863289825
Diritti
metadata only access
Web of Science© citazioni
5
Data di acquisizione
Mar 19, 2024
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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