Search for high mass resonances decaying to Muon pairs in √s=1.96TeV pp̄ collisions

We present a search for a new narrow, spin-1, high mass resonance decaying to μ+μ-+X, using a matrix-element-based likelihood and a simultaneous measurement of the resonance mass and production rate. In data with 4.6fb-1 of integrated luminosity collected by the CDF detector in pp̄ collisions at √s=...

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Main Authors: Aaltonen, T, Álvarez González, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Apollinari, G, Appel, J, Apresyan, A, Arisawa, T, Artikov, A, Asaadi, J, Ashmanskas, W, Auerbach, B, Aurisano, A, Azfar, F, Badgett, W, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Barria, P, Bartos, P, Bauce, M, Bauer, G
Format: Journal article
Jezik:English
Izdano: 2011
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author Aaltonen, T
Álvarez González, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Appel, J
Apresyan, A
Arisawa, T
Artikov, A
Asaadi, J
Ashmanskas, W
Auerbach, B
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartos, P
Bauce, M
Bauer, G
author_facet Aaltonen, T
Álvarez González, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Appel, J
Apresyan, A
Arisawa, T
Artikov, A
Asaadi, J
Ashmanskas, W
Auerbach, B
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartos, P
Bauce, M
Bauer, G
author_sort Aaltonen, T
collection OXFORD
description We present a search for a new narrow, spin-1, high mass resonance decaying to μ+μ-+X, using a matrix-element-based likelihood and a simultaneous measurement of the resonance mass and production rate. In data with 4.6fb-1 of integrated luminosity collected by the CDF detector in pp̄ collisions at √s=1960GeV, the most likely signal cross section is consistent with zero at 16% confidence level. We therefore do not observe evidence for a high mass resonance and place limits on models predicting spin-1 resonances, including M>1071GeV/c2 at 95% confidence level for a Z′ boson with the same couplings to fermions as the Z boson. © 2011 American Physical Society.
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spelling oxford-uuid:5d51dba0-5cee-4ffe-9b4b-153bceabd1502022-03-26T17:33:43ZSearch for high mass resonances decaying to Muon pairs in √s=1.96TeV pp̄ collisionsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:5d51dba0-5cee-4ffe-9b4b-153bceabd150EnglishSymplectic Elements at Oxford2011Aaltonen, TÁlvarez González, BAmerio, SAmidei, DAnastassov, AAnnovi, AAntos, JApollinari, GAppel, JApresyan, AArisawa, TArtikov, AAsaadi, JAshmanskas, WAuerbach, BAurisano, AAzfar, FBadgett, WBarbaro-Galtieri, ABarnes, VBarnett, BBarria, PBartos, PBauce, MBauer, GWe present a search for a new narrow, spin-1, high mass resonance decaying to μ+μ-+X, using a matrix-element-based likelihood and a simultaneous measurement of the resonance mass and production rate. In data with 4.6fb-1 of integrated luminosity collected by the CDF detector in pp̄ collisions at √s=1960GeV, the most likely signal cross section is consistent with zero at 16% confidence level. We therefore do not observe evidence for a high mass resonance and place limits on models predicting spin-1 resonances, including M>1071GeV/c2 at 95% confidence level for a Z′ boson with the same couplings to fermions as the Z boson. © 2011 American Physical Society.
spellingShingle Aaltonen, T
Álvarez González, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Appel, J
Apresyan, A
Arisawa, T
Artikov, A
Asaadi, J
Ashmanskas, W
Auerbach, B
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartos, P
Bauce, M
Bauer, G
Search for high mass resonances decaying to Muon pairs in √s=1.96TeV pp̄ collisions
title Search for high mass resonances decaying to Muon pairs in √s=1.96TeV pp̄ collisions
title_full Search for high mass resonances decaying to Muon pairs in √s=1.96TeV pp̄ collisions
title_fullStr Search for high mass resonances decaying to Muon pairs in √s=1.96TeV pp̄ collisions
title_full_unstemmed Search for high mass resonances decaying to Muon pairs in √s=1.96TeV pp̄ collisions
title_short Search for high mass resonances decaying to Muon pairs in √s=1.96TeV pp̄ collisions
title_sort search for high mass resonances decaying to muon pairs in √s 1 96tev pp collisions
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