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Search for excited and exotic muons in the mu gamma decay channel in p(p)over-bar collisions root s=1.96 TeV

Abulencia, A; Acosta, D; Adelman, J; Affolder, T; Akimoto, T; Albrow, MG; Ambrose, D; ... CDF Collaboration; + view all (2006) Search for excited and exotic muons in the mu gamma decay channel in p(p)over-bar collisions root s=1.96 TeV. PHYS REV LETT , 97 (19) , Article 191802. 10.1103/PhysRevLett.97.191802. Green open access

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Abstract

We search for excited and exotic muon states mu(*) using an integrated luminosity of 371 pb(-1) of p (p) over bar collision data at root s=1.96 TeV. We search for associated production of mu mu(*) followed by the decay mu(*)->mu gamma. We compare the data to model predictions as a function of the mass of the excited muon M-mu(*), the compositeness energy scale Lambda, and the gauge coupling factor f. No signal above the standard model expectation is observed. We exclude 107 < M-mu(*)< 853 GeV/c(2) for Lambda=M-mu(*) in the contact interaction model, and 100 < M-mu(*)< 410 GeV/c(2) for f/Lambda=10(-2) GeV-1 in the gauge-mediated model, both at the 95% confidence level.

Type: Article
Title: Search for excited and exotic muons in the mu gamma decay channel in p(p)over-bar collisions root s=1.96 TeV
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.97.191802
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.97.191802
Language: English
Additional information: © 2006 The American Physical Society
Keywords: CDF PLUG UPGRADE, HADRON COLLIDERS, E(+)E(-) COLLISIONS, LEPTON PRODUCTION, DETECTOR, CALORIMETER, GENERATION, COUPLINGS, PHYSICS
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/131691
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