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Title

Search for Z′->e+e Using Dielectron Mass and Angular Distribution

CollaborationWith : Campanelli, Mario / Clark, Allan Geoffrey / Donega, Mauro / Lister, Alison / Vallecorsa, Sofia / Wu, Xin
Published in Physical Review Letters. 2006, vol. 96, no. 21, p. 211801
Abstract We search for Z′ bosons in dielectron events produced in pp collisions at s√=1.96  TeV, using 0.45  fb−1 of data accumulated with the Collider Detector at Fermilab II detector at the Fermilab Tevatron. To identify the Z′→e+e− signal, both the dielectron invariant mass distribution and the angular distribution of the electron pair are used. No evidence of a signal is found, and 95% confidence level lower limits are set on the Z′ mass for several models. Limits are also placed on the mass and gauge coupling of a generic Z′, as well as on the contact-interaction mass scales for different helicity structure scenarios.
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CDF COLLABORATION. Search for Z′->e+e Using Dielectron Mass and Angular Distribution. In: Physical Review Letters, 2006, vol. 96, n° 21, p. 211801. https://archive-ouverte.unige.ch/unige:38340

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Deposited on : 2014-06-30

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