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Title

Search for the rare radiative decay W -> πγ in pp collisions at √s=1.96  TeV

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review. D. 2012, vol. 85, no. 03, p. 032001
Abstract We present a search for the rare radiative decay W±→π±γ 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 Γ(W±→π±γ)/Γ(W±→e±ν) at 6.4×10−5, a factor of 10 improvement over the previous limit.
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CDF COLLABORATION. Search for the rare radiative decay W -> πγ in pp collisions at √s=1.96  TeV. In: Physical Review. D, 2012, vol. 85, n° 03, p. 032001. https://archive-ouverte.unige.ch/unige:38800

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Deposited on : 2014-07-21

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