Search for excited muons in p anti-p collisions at s**(1/2) = 1.96- TeV

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We present the results of a search for the production of an excited state of the muon, {mu}*, in proton antiproton collisions at {radical}s = 1.96 TeV. The data have been collected with the D0 experiment at the Fermilab Tevatron Collider and correspond to an integrated luminosity of approximately 380 pb{sup -1}. We search for {mu}* in the process p{bar p} {yields} {mu}*{nu}, with the {mu}* subsequently decaying to a muon plus photon. No excess above the standard model expectation is observed in data. Interpreting our data in the context of a model that describes {mu}* production by four-fermion contact ... continued below

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Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T. et al. April 1, 2006.

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We present the results of a search for the production of an excited state of the muon, {mu}*, in proton antiproton collisions at {radical}s = 1.96 TeV. The data have been collected with the D0 experiment at the Fermilab Tevatron Collider and correspond to an integrated luminosity of approximately 380 pb{sup -1}. We search for {mu}* in the process p{bar p} {yields} {mu}*{nu}, with the {mu}* subsequently decaying to a muon plus photon. No excess above the standard model expectation is observed in data. Interpreting our data in the context of a model that describes {mu}* production by four-fermion contact interactions and {mu}* decay via electroweak processes, we exclude production cross sections higher than 0.057 pb-0.112 pb at the 95% confidence level, depending on the mass of the excited muon. Choosing the scale for contact interactions to be {Lambda} = 1 TeV, excited muon masses below 618 GeV are excluded.

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Medium: X; Size: 8 pages

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  • Journal Name: Phys.Rev.D73:111102,2006; Journal Volume: 73

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  • Report No.: FERMILAB-PUB-06-081-E
  • Grant Number: AC02-76CH03000
  • DOI: 10.1103/PhysRevD.73.111102 | External Link
  • Office of Scientific & Technical Information Report Number: 892508
  • Archival Resource Key: ark:/67531/metadc884106

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  • April 1, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • Aug. 1, 2017, 10:41 a.m.

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Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T. et al. Search for excited muons in p anti-p collisions at s**(1/2) = 1.96- TeV, article, April 1, 2006; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc884106/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.