Evidence for a narrow near-threshold structure in the J/psivarphi mass spectrum in B;{+} --> J/psivarphiK;{+} decays.

Evidence is reported for a narrow structure near the J/psivarphi threshold in exclusive B;{+} --> J/psivarphiK;{+} decays produced in p[over]p collisions at sqrt[s] = 1.96 TeV. A signal of 14 +/- 5 events, with statistical significance in excess of 3.8 standard deviations, is observed in a da...

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Prif Awduron: Aaltonen, T, Adelman, J, Akimoto, T, Alvarez González, B, Amerio, S, Amidei, D, Anastassov, A, Annovi, A, Antos, J, Apollinari, G, Apresyan, A, Arisawa, T, Artikov, A, Ashmanskas, W, Attal, A, Aurisano, A, Azfar, F, Badgett, W, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Barria, P, Bartsch, V, Bauer, G, Beauchemin, P
Fformat: Journal article
Iaith:English
Cyhoeddwyd: 2009
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author Aaltonen, T
Adelman, J
Akimoto, T
Alvarez González, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Apresyan, A
Arisawa, T
Artikov, A
Ashmanskas, W
Attal, A
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartsch, V
Bauer, G
Beauchemin, P
author_facet Aaltonen, T
Adelman, J
Akimoto, T
Alvarez González, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Apresyan, A
Arisawa, T
Artikov, A
Ashmanskas, W
Attal, A
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartsch, V
Bauer, G
Beauchemin, P
author_sort Aaltonen, T
collection OXFORD
description Evidence is reported for a narrow structure near the J/psivarphi threshold in exclusive B;{+} --> J/psivarphiK;{+} decays produced in p[over]p collisions at sqrt[s] = 1.96 TeV. A signal of 14 +/- 5 events, with statistical significance in excess of 3.8 standard deviations, is observed in a data sample corresponding to an integrated luminosity of 2.7 fb;{-1}, collected by the CDF II detector. The mass and natural width of the structure are measured to be 4143.0 +/- 2.9(stat) +/- 1.2(syst) MeV/c;{2} and 11.7_{-5.0};{+8.3}(stat) +/- 3.7(syst) MeV/c;{2}.
first_indexed 2024-03-06T23:06:02Z
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language English
last_indexed 2024-03-06T23:06:02Z
publishDate 2009
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spelling oxford-uuid:63d20633-86b8-46c0-a7a2-923c11bec3e62022-03-26T18:15:25ZEvidence for a narrow near-threshold structure in the J/psivarphi mass spectrum in B;{+} --> J/psivarphiK;{+} decays.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:63d20633-86b8-46c0-a7a2-923c11bec3e6EnglishSymplectic Elements at Oxford2009Aaltonen, TAdelman, JAkimoto, TAlvarez González, BAmerio, SAmidei, DAnastassov, AAnnovi, AAntos, JApollinari, GApresyan, AArisawa, TArtikov, AAshmanskas, WAttal, AAurisano, AAzfar, FBadgett, WBarbaro-Galtieri, ABarnes, VBarnett, BBarria, PBartsch, VBauer, GBeauchemin, PEvidence is reported for a narrow structure near the J/psivarphi threshold in exclusive B;{+} --> J/psivarphiK;{+} decays produced in p[over]p collisions at sqrt[s] = 1.96 TeV. A signal of 14 +/- 5 events, with statistical significance in excess of 3.8 standard deviations, is observed in a data sample corresponding to an integrated luminosity of 2.7 fb;{-1}, collected by the CDF II detector. The mass and natural width of the structure are measured to be 4143.0 +/- 2.9(stat) +/- 1.2(syst) MeV/c;{2} and 11.7_{-5.0};{+8.3}(stat) +/- 3.7(syst) MeV/c;{2}.
spellingShingle Aaltonen, T
Adelman, J
Akimoto, T
Alvarez González, B
Amerio, S
Amidei, D
Anastassov, A
Annovi, A
Antos, J
Apollinari, G
Apresyan, A
Arisawa, T
Artikov, A
Ashmanskas, W
Attal, A
Aurisano, A
Azfar, F
Badgett, W
Barbaro-Galtieri, A
Barnes, V
Barnett, B
Barria, P
Bartsch, V
Bauer, G
Beauchemin, P
Evidence for a narrow near-threshold structure in the J/psivarphi mass spectrum in B;{+} --> J/psivarphiK;{+} decays.
title Evidence for a narrow near-threshold structure in the J/psivarphi mass spectrum in B;{+} --> J/psivarphiK;{+} decays.
title_full Evidence for a narrow near-threshold structure in the J/psivarphi mass spectrum in B;{+} --> J/psivarphiK;{+} decays.
title_fullStr Evidence for a narrow near-threshold structure in the J/psivarphi mass spectrum in B;{+} --> J/psivarphiK;{+} decays.
title_full_unstemmed Evidence for a narrow near-threshold structure in the J/psivarphi mass spectrum in B;{+} --> J/psivarphiK;{+} decays.
title_short Evidence for a narrow near-threshold structure in the J/psivarphi mass spectrum in B;{+} --> J/psivarphiK;{+} decays.
title_sort evidence for a narrow near threshold structure in the j psivarphi mass spectrum in b gt j psivarphik decays
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