Direct observation of the strange b Baryon Ξb

dc.contributor.authorAbazov, V. M.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbolins, M.
dc.contributor.authorAcharya, B. S.
dc.contributor.authorAdams, M.
dc.contributor.authorAdams, T.
dc.contributor.authorAguilo, E.
dc.contributor.authorAhn, S. H.
dc.contributor.authorAhsan, M.
dc.contributor.authorAlexeev, G. D.
dc.contributor.authorAlkhazov, G.
dc.contributor.authorAlton, A.
dc.contributor.authorAlverson, G.
dc.contributor.authorAlves, G. A.
dc.contributor.authorAnastasoaie, M.
dc.contributor.authorAncu, L. S.
dc.contributor.authorAndeen, T.
dc.contributor.authorAnderson, S.
dc.contributor.authorAndrieu, B.
dc.contributor.authorAnzelc, M. S.
dc.contributor.authorArnoud, Y.
dc.contributor.authorArov, M.
dc.contributor.authorArthaud, M.
dc.contributor.authorAskew, A.
dc.contributor.authorÅsman, B.
dc.contributor.authorAssis Jesus, A. C.S.
dc.contributor.authorAtramentov, O.
dc.contributor.authorAutermann, C.
dc.contributor.authorAvila, C.
dc.contributor.authorAy, C.
dc.contributor.authorBadaud, F.
dc.contributor.authorBaden, A.
dc.contributor.authorBagby, L.
dc.contributor.authorBaldin, B.
dc.contributor.authorBandurin, D. V.
dc.contributor.authorBanerjee, S.
dc.contributor.authorBanerjee, P.
dc.contributor.authorBarberis, E.
dc.contributor.authorBarfuss, A. F.
dc.contributor.authorBargassa, P.
dc.contributor.authorBaringer, P.
dc.contributor.authorBarreto, J.
dc.contributor.authorBartlett, J. F.
dc.contributor.authorBassler, U.
dc.contributor.authorBauer, D.
dc.contributor.authorBeale, S.
dc.contributor.authorBean, A.
dc.contributor.authorBegalli, M.
dc.contributor.authorBegel, M.
dc.contributor.authorBelanger-Champagne, C.
dc.contributor.authorBellantoni, L.
dc.contributor.authorBellavance, A.
dc.contributor.authorBenitez, J. A.
dc.contributor.authorBeri, S. B.
dc.contributor.authorBernardi, G.
dc.contributor.authorBernhard, R.
dc.contributor.authorBerntzon, L.
dc.contributor.authorBertram, I.
dc.contributor.authorBesançon, M.
dc.contributor.authorBeuselinck, R.
dc.contributor.authorBezzubov, V. A.
dc.contributor.authorBhat, P. C.
dc.contributor.authorBhatnagar, V.
dc.contributor.authorBiscarat, C.
dc.contributor.authorBlazey, G.
dc.contributor.authorBlekman, F.
dc.contributor.authorBlessing, S.
dc.contributor.authorBloch, D.
dc.contributor.authorBloom, K.
dc.contributor.authorBoehnlein, A.
dc.contributor.authorBoline, D.
dc.contributor.authorBolton, T. A.
dc.contributor.authorBorissov, G.
dc.contributor.authorBos, K.
dc.contributor.authorBose, T.
dc.contributor.authorBrandt, A.
dc.contributor.authorBrock, R.
dc.contributor.authorBrooijmans, G.
dc.contributor.authorBross, A.
dc.contributor.authorBrown, D.
dc.contributor.authorBuchanan, N. J.
dc.contributor.authorBuchholz, D.
dc.contributor.authorBuehler, M.
dc.contributor.authorBuescher, V.
dc.contributor.authorBurdin, S.
dc.contributor.authorBurke, S.
dc.contributor.authorBurnett, T. H.
dc.contributor.authorBuszello, C. P.
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dc.contributor.authorCalfayan, P.
dc.contributor.authorCalvet, S.
dc.contributor.authorCammin, J.
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dc.contributor.authorCarvalho, W.
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dc.contributor.authorCason, N. M.
dc.contributor.authorCastilla-Valdez, H.
dc.contributor.authorChakrabarti, S.
dc.contributor.authorChakraborty, D.
dc.contributor.authorChan, K. M.
dc.contributor.authorChan, K.
dc.contributor.authorChandra, A.
dc.contributor.authorCharles, F.
dc.contributor.authorCheu, E.
dc.contributor.authorChevallier, F.
dc.contributor.authorCho, D. K.
dc.contributor.authorChoi, S.
dc.contributor.authorChoudhary, B.
dc.contributor.authorChristofek, L.
dc.contributor.authorChristoudias, T.
dc.contributor.authorCihangir, S.
dc.contributor.authorClaes, D.
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dc.contributor.authorCooke, M.
dc.contributor.authorCooper, W. E.
dc.contributor.authorCorcoran, M.
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dc.contributor.authorCousinou, M. C.
dc.contributor.authorCrépé-Renaudin, S.
dc.contributor.authorCutts, D.
dc.contributor.authorĆwiok, M.
dc.contributor.authorDa Motta, H.
dc.contributor.authorDas, A.
dc.contributor.authorDavies, G.
dc.contributor.authorDe, K.
dc.contributor.authorDe Jong, S. J.
dc.contributor.authorDe Jong, P.
dc.contributor.authorDe La Cruz-Burelo, E.
dc.contributor.authorDe Oliveira Martins, C.
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dc.contributor.authorDéliot, F.
dc.contributor.authorDemarteau, M.
dc.contributor.authorDemina, R.
dc.contributor.authorDenisov, D.
dc.contributor.authorDenisov, S. P.
dc.contributor.authorDesai, S.
dc.contributor.authorDiehl, H. T.
dc.contributor.authorDiesburg, M.
dc.contributor.authorDominguez, A.
dc.contributor.authorDong, H.
dc.contributor.authorDudko, L. V.
dc.contributor.authorDuflot, L.
dc.contributor.authorDugad, S. R.
dc.contributor.authorDuggan, D.
dc.contributor.authorDuperrin, A.
dc.contributor.authorDyer, J.
dc.contributor.authorDyshkant, A.
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dc.contributor.authorEdmunds, D.
dc.contributor.authorEllison, J.
dc.contributor.authorElvira, V. D.
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dc.contributor.authorEvans, H.
dc.contributor.authorEvdokimov, A.
dc.contributor.authorEvdokimov, V. N.
dc.contributor.authorFerapontov, A. V.
dc.contributor.authorFerbel, T.
dc.contributor.authorFiedler, F.
dc.contributor.authorFilthaut, F.
dc.contributor.authorFisher, W.
dc.contributor.authorFisk, H. E.
dc.contributor.authorFord, M.
dc.contributor.authorFortner, M.
dc.contributor.authorFox, H.
dc.contributor.authorFu, S.
dc.contributor.authorFuess, S.
dc.contributor.authorGadfort, T.
dc.contributor.authorGalea, C. F.
dc.contributor.authorGallas, E.
dc.contributor.authorGalyaev, E.
dc.contributor.authorGarcia, C.
dc.contributor.authorGarcia-Bellido, A.
dc.contributor.authorGavrilov, V.
dc.contributor.authorGay, P.
dc.contributor.authorGeist, W.
dc.contributor.authorGelé, D.
dc.contributor.authorGerber, C. E.
dc.contributor.authorGershtein, Y.
dc.contributor.authorGillberg, D.
dc.contributor.authorGinther, G.
dc.contributor.authorGollub, N.
dc.contributor.authorGómez, B.
dc.contributor.authorGoussiou, A.
dc.contributor.authorGrannis, P. D.
dc.contributor.authorGreenlee, H.
dc.contributor.authorGreenwood, Z. D.
dc.contributor.authorGregores, E. M. [UNESP]
dc.contributor.authorGrenier, G.
dc.contributor.authorGris, Ph.
dc.contributor.authorGrivaz, J. F.
dc.contributor.authorGrohsjean, A.
dc.contributor.authorGrünendahl, S.
dc.contributor.authorGrünewald, M. W.
dc.contributor.authorGuo, J.
dc.contributor.authorGuo, F.
dc.contributor.authorGutierrez, P.
dc.contributor.authorGutierrez, G.
dc.contributor.authorHaas, A.
dc.contributor.authorHadley, N. J.
dc.contributor.authorHaefner, P.
dc.contributor.authorHagopian, S.
dc.contributor.authorHaley, J.
dc.contributor.authorHall, I.
dc.contributor.authorHall, R. E.
dc.contributor.authorHan, L.
dc.contributor.authorHanagaki, K.
dc.contributor.authorHansson, P.
dc.contributor.authorHarder, K.
dc.contributor.authorHarel, A.
dc.contributor.authorHarrington, R.
dc.contributor.authorHauptman, J. M.
dc.contributor.authorHauser, R.
dc.contributor.authorHays, J.
dc.contributor.authorHebbeker, T.
dc.contributor.authorHedin, D.
dc.contributor.authorHegeman, J. G.
dc.contributor.authorHeinmiller, J. M.
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dc.contributor.authorHirosky, R.
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dc.contributor.authorHoeth, H.
dc.contributor.authorHohlfeld, M.
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dc.contributor.authorHouben, P.
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dc.contributor.authorHubacek, Z.
dc.contributor.authorHynek, V.
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dc.contributor.authorJabeen, S.
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dc.contributor.authorJonckheere, A.
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dc.contributor.authorJuste, A.
dc.contributor.authorKäfer, D.
dc.contributor.authorKahn, S.
dc.contributor.authorKajfasz, E.
dc.contributor.authorKalinin, A. M.
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dc.contributor.authorYurkewicz, A.
dc.contributor.authorZatserklyaniy, A.
dc.contributor.authorZeitnitz, C.
dc.contributor.authorZhang, D.
dc.contributor.authorZhao, T.
dc.contributor.authorZhou, B.
dc.contributor.authorZhu, J.
dc.contributor.authorZielinski, M.
dc.contributor.authorZieminska, D.
dc.contributor.authorZieminski, A.
dc.contributor.authorZivkovic, L.
dc.contributor.authorZutshi, V.
dc.contributor.authorZverev, E. G.
dc.contributor.institutionUniversidad de Buenos Aires
dc.contributor.institutionCentro Brasileiro de Pesquisas Físicas
dc.contributor.institutionUniversidade do Estado do Rio de Janeiro (UERJ)
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionUniversity of Alberta
dc.contributor.institutionUniversity of Science and Technology of China
dc.contributor.institutionUniversidad de Los Andes
dc.contributor.institutionCharles University
dc.contributor.institutionCzech Technical University
dc.contributor.institutionAcademy of Sciences of the Czech Republic
dc.contributor.institutionUniversidad San Francisco de Quito
dc.contributor.institutionUniversité Blaise Pascal
dc.contributor.institutionUniversite de Grenoble 1
dc.contributor.institutionUniversité de la Méditerranée
dc.contributor.institutionIN2P3-CNRS et Université Paris-Sud
dc.contributor.institutionUniversités Paris VI and VII
dc.contributor.institutionCEA
dc.contributor.institutionIN2P3
dc.contributor.institutionCNRS/IN2P3
dc.contributor.institutionRWTH Aachen
dc.contributor.institutionUniversität Bonn
dc.contributor.institutionUniversität Freiburg
dc.contributor.institutionUniversität Mainz
dc.contributor.institutionLudwig-Maximilians-Universität München
dc.contributor.institutionUniversity of Wuppertal
dc.contributor.institutionPanjab University
dc.contributor.institutionDelhi University
dc.contributor.institutionTata Institute of Fundamental Research
dc.contributor.institutionUniversity College Dublin
dc.contributor.institutionKorea University
dc.contributor.institutionSungKyunKwan University
dc.contributor.institutionCINVESTAV
dc.contributor.institutionUniversity of Amsterdam/NIKHEF
dc.contributor.institutionRadboud University Nijmegen/NIKHEF
dc.contributor.institutionJoint Institute for Nuclear Research
dc.contributor.institutionInstitute for Theoretical and Experimental Physics
dc.contributor.institutionMoscow State University
dc.contributor.institutionInstitute for High Energy Physics
dc.contributor.institutionPetersburg Nuclear Physics Institute
dc.contributor.institutionLund University
dc.contributor.institutionUniversität Zürich
dc.contributor.institutionLancaster University
dc.contributor.institutionImperial College
dc.contributor.institutionUniversity of Manchester
dc.contributor.institutionUniversity of Arizona
dc.contributor.institutionUniversity of California
dc.contributor.institutionCalifornia State University
dc.contributor.institutionFlorida State University
dc.contributor.institutionFermi National Accelerator Laboratory
dc.contributor.institutionUniversity of Illinois at Chicago
dc.contributor.institutionNorthern Illinois University
dc.contributor.institutionNorthwestern University
dc.contributor.institutionIndiana University
dc.contributor.institutionUniversity of Notre Dame
dc.contributor.institutionPurdue University Calumet
dc.contributor.institutionIowa State University
dc.contributor.institutionUniversity of Kansas
dc.contributor.institutionKansas State University
dc.contributor.institutionLouisiana Tech University
dc.contributor.institutionUniversity of Maryland
dc.contributor.institutionBoston University
dc.contributor.institutionNortheastern University
dc.contributor.institutionUniversity of Michigan
dc.contributor.institutionMichigan State University
dc.contributor.institutionUniversity of Mississippi
dc.contributor.institutionUniversity of Nebraska
dc.contributor.institutionPrinceton University
dc.contributor.institutionState University of New York
dc.contributor.institutionColumbia University
dc.contributor.institutionUniversity of Rochester
dc.contributor.institutionBrookhaven National Laboratory
dc.contributor.institutionLangston University
dc.contributor.institutionUniversity of Oklahoma
dc.contributor.institutionOklahoma State University
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dc.contributor.institutionSouthern Methodist University
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dc.contributor.institutionSimon Fraser University
dc.contributor.institutionYork University
dc.contributor.institutionMcGill University
dc.contributor.institutionUniversité de Lyon
dc.contributor.institutionStockholm University
dc.contributor.institutionAugustana College
dc.contributor.institutionUniversity of Liverpool
dc.contributor.institutionICN-UNAM
dc.contributor.institutionHelsinki Institute of Physics
dc.date.accessioned2022-04-28T20:18:50Z
dc.date.available2022-04-28T20:18:50Z
dc.date.issued2007-08-03
dc.description.abstractWe report the first direct observation of the strange b baryon Ξb-(Ξ̄b+). We reconstruct the decay Ξb-→J/ψΞ-, with J/ψ→μ+μ-, and Ξ-→Λπ-→pπ-π- in pp̄ collisions at s=1.96TeV. Using 1.3fb-1 of data collected by the D0 detector, we observe 15.2±4.4(stat)-0.4+1.9(syst) Ξb- candidates at a mass of 5.774±0.011(stat)±0.015(syst)GeV. The significance of the observed signal is 5.5σ, equivalent to a probability of 3.3×10-8 of it arising from a background fluctuation. Normalizing to the decay Λb→J/ψΛ, we measure the relative rate σ(Ξb-)×B(Ξb-→J/ψΞ-)σ(Λb) ×B(Λb→J/ψΛ)=0.28±0.09(stat)-0.08+0.09(syst). © 2007 The American Physical Society.en
dc.description.affiliationUniversidad de Buenos Aires, Buenos Aires
dc.description.affiliationLAFEX Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro
dc.description.affiliationUniversidade Do Estado Do Rio de Janeiro, Rio de Janeiro
dc.description.affiliationInstituto de Física Teórica Universidade Estadual Paulista, São Paulo
dc.description.affiliationUniversity of Alberta, Edmonton, Alta.
dc.description.affiliationUniversity of Science and Technology of China, Hefei
dc.description.affiliationUniversidad de Los Andes, Bogotá
dc.description.affiliationCenter for Particle Physics Charles University, Prague
dc.description.affiliationCzech Technical University, Prague
dc.description.affiliationCenter for Particle Physics Institute of Physics Academy of Sciences of the Czech Republic, Prague
dc.description.affiliationUniversidad San Francisco de Quito, Quito
dc.description.affiliationLaboratoire de Physique Corpusculaire IN2P3-CNRS Université Blaise Pascal, Clermont-Ferrand
dc.description.affiliationLaboratoire de Physique Subatomique et de Cosmologie IN2P3-CNRS Universite de Grenoble 1, Grenoble
dc.description.affiliationCPPM IN2P3-CNRS Université de la Méditerranée, Marseille
dc.description.affiliationLaboratoire de l'Accélérateur Linéaire IN2P3-CNRS et Université Paris-Sud, Orsay
dc.description.affiliationLPNHE IN2P3-CNRS Universités Paris VI and VII, Paris
dc.description.affiliationDAPNIA/Service de Physique des Particules CEA, Saclay
dc.description.affiliationIPHC Université Louis Pasteur et Université de Haute Alsace IN2P3, Strasbourg
dc.description.affiliationIPNL Université Lyon 1 CNRS/IN2P3, Villeurbanne
dc.description.affiliationIII. Physikalisches Institut A RWTH Aachen, Aachen
dc.description.affiliationPhysikalisches Institut Universität Bonn, Bonn
dc.description.affiliationPhysikalisches Institut Universität Freiburg, Freiburg
dc.description.affiliationInstitut für Physik Universität Mainz, Mainz
dc.description.affiliationLudwig-Maximilians-Universität München, München
dc.description.affiliationFachbereich Physik University of Wuppertal, Wuppertal
dc.description.affiliationPanjab University, Chandigarh
dc.description.affiliationDelhi University, Delhi
dc.description.affiliationTata Institute of Fundamental Research, Mumbai
dc.description.affiliationUniversity College Dublin, Dublin
dc.description.affiliationKorea Detector Laboratory Korea University, Seoul
dc.description.affiliationSungKyunKwan University, Suwon
dc.description.affiliationCINVESTAV, Mexico City
dc.description.affiliationFOM-Institute NIKHEF University of Amsterdam/NIKHEF, Amsterdam
dc.description.affiliationRadboud University Nijmegen/NIKHEF, Nijmegen
dc.description.affiliationJoint Institute for Nuclear Research, Dubna
dc.description.affiliationInstitute for Theoretical and Experimental Physics, Moscow
dc.description.affiliationMoscow State University, Moscow
dc.description.affiliationInstitute for High Energy Physics, Protvino
dc.description.affiliationPetersburg Nuclear Physics Institute, St. Petersburg
dc.description.affiliationLund University, Lund
dc.description.affiliationPhysik Institut Universität Zürich, Zürich
dc.description.affiliationLancaster University, Lancaster
dc.description.affiliationImperial College, London
dc.description.affiliationUniversity of Manchester, Manchester
dc.description.affiliationUniversity of Arizona, Tucson, AZ 85721
dc.description.affiliationLawrence Berkeley National Laboratory University of California, Berkeley, CA 94720
dc.description.affiliationCalifornia State University, Fresno, CA 93740
dc.description.affiliationUniversity of California, Riverside, CA 92521
dc.description.affiliationFlorida State University, Tallahassee, FL 32306
dc.description.affiliationFermi National Accelerator Laboratory, Batavia, IL 60510
dc.description.affiliationUniversity of Illinois at Chicago, Chicago, IL 60607
dc.description.affiliationNorthern Illinois University, DeKalb, IL 60115
dc.description.affiliationNorthwestern University, Evanston, IL 60208
dc.description.affiliationIndiana University, Bloomington, IN 47405
dc.description.affiliationUniversity of Notre Dame, Notre Dame, IN 46556
dc.description.affiliationPurdue University Calumet, Hammond, IN 46323
dc.description.affiliationIowa State University, Ames, IA 50011
dc.description.affiliationUniversity of Kansas, Lawrence, KS 66045
dc.description.affiliationKansas State University, Manhattan, KS 66506
dc.description.affiliationLouisiana Tech University, Ruston, LA 71272
dc.description.affiliationUniversity of Maryland, College Park, MD 20742
dc.description.affiliationBoston University, Boston, MA 02215
dc.description.affiliationNortheastern University, Boston, MA 02115
dc.description.affiliationUniversity of Michigan, Ann Arbor, MI 48109
dc.description.affiliationMichigan State University, East Lansing, MI 48824
dc.description.affiliationUniversity of Mississippi, University, MS 38677
dc.description.affiliationUniversity of Nebraska, Lincoln, NE 68588
dc.description.affiliationPrinceton University, Princeton, NJ 08544
dc.description.affiliationState University of New York, Buffalo, NY 14260
dc.description.affiliationColumbia University, New York, NY 10027
dc.description.affiliationUniversity of Rochester, Rochester, NY 14627
dc.description.affiliationState University of New York, Stony Brook, NY 11794
dc.description.affiliationBrookhaven National Laboratory, Upton, NY 11973
dc.description.affiliationLangston University, Langston, OK 73050
dc.description.affiliationUniversity of Oklahoma, Norman, OK 73019
dc.description.affiliationOklahoma State University, Stillwater, OK 74078
dc.description.affiliationBrown University, Providence, RI 02912
dc.description.affiliationUniversity of Texas, Arlington, TX 76019
dc.description.affiliationSouthern Methodist University, Dallas, TX 75275
dc.description.affiliationRice University, Houston, TX 77005
dc.description.affiliationUniversity of Virginia, Charlottesville, VA 22901
dc.description.affiliationUniversity of Washington, Seattle, WA 98195
dc.description.affiliationSimon Fraser University, Burnaby, BC
dc.description.affiliationYork University, Toronto, Ont.
dc.description.affiliationMcGill University, Montreal, Que.
dc.description.affiliationUniversité de Lyon, Lyon
dc.description.affiliationRoyal Institute of Technology Stockholm University, Stockholm
dc.description.affiliationAugustana College, Sioux Falls, SD
dc.description.affiliationUniversity of Liverpool, Liverpool
dc.description.affiliationICN-UNAM, Mexico City
dc.description.affiliationHelsinki Institute of Physics, Helsinki
dc.description.affiliationUniversität Zürich, Zürich
dc.description.affiliationUnespInstituto de Física Teórica Universidade Estadual Paulista, São Paulo
dc.identifierhttp://dx.doi.org/10.1103/PhysRevLett.99.052001
dc.identifier.citationPhysical Review Letters, v. 99, n. 5, 2007.
dc.identifier.doi10.1103/PhysRevLett.99.052001
dc.identifier.issn1079-7114
dc.identifier.issn0031-9007
dc.identifier.scopus2-s2.0-34547679498
dc.identifier.urihttp://hdl.handle.net/11449/224950
dc.language.isoeng
dc.relation.ispartofPhysical Review Letters
dc.sourceScopus
dc.titleDirect observation of the strange b Baryon Ξben
dc.typeArtigo

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