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    Measurements of the properties of Λc(2595), Λc(2625), Σc(2455), and Σc(2520) baryons

    T. Aaltonen21, B. Álvarez González9,x, S. Amerio41a, D. Amidei32, A. Anastassov36, A. Annovi17, J. Antos12, G. Apollinari15, J. A. Appel15 et al. (CDF Collaboration)

    J. A. Appel15, A. Apresyan46, T. Arisawa56, A. Artikov13, J. Asaadi51, W. Ashmanskas15, B. Auerbach59, A. Aurisano51, F. Azfar40, W. Badgett15, A. Barbaro-Galtieri26, V. E. Barnes46, B. A. Barnett23, P. Barria44c,44a, P. Bartos12, M. Bauce41b,41a, G. Bauer30, F. Bedeschi44a, D. Beecher28, S. Behari23, G. Bellettini44b,44a, J. Bellinger58, D. Benjamin14, A. Beretvas15, A. Bhatti48, M. Binkley15,a, D. Bisello41b,41a, I. Bizjak28,cc, K. R. Bland5, B. Blumenfeld23, A. Bocci14, A. Bodek47, D. Bortoletto46, J. Boudreau45, A. Boveia11, B. Brau15,b, L. Brigliadori6b,6a, A. Brisuda12, C. Bromberg33, E. Brucken21, M. Bucciantonio44b,44a, J. Budagov13, H. S. Budd47, S. Budd22, K. Burkett15, G. Busetto41b,41a, P. Bussey19, A. Buzatu31, C. Calancha29, S. Camarda4, M. Campanelli33, M. Campbell32, F. Canelli11,15, B. Carls22, D. Carlsmith58, R. Carosi44a, S. Carrillo16,l, S. Carron15, B. Casal9, M. Casarsa15, A. Castro6b,6a, P. Catastini20, D. Cauz52a, V. Cavaliere22, M. Cavalli-Sforza4, A. Cerri26,g, L. Cerrito28,r, Y. C. Chen1, M. Chertok7, G. Chiarelli44a, G. Chlachidze15, F. Chlebana15, K. Cho25, D. Chokheli13, J. P. Chou20, W. H. Chung58, Y. S. Chung47, C. I. Ciobanu42, M. A. Ciocci44c,44a, A. Clark18, C. Clarke57, G. Compostella41b,41a, M. E. Convery15, J. Conway7, M. Corbo42, M. Cordelli17, C. A. Cox7, D. J. Cox7, F. Crescioli44b,44a, C. Cuenca Almenar59, J. Cuevas9,x, R. Culbertson15, D. Dagenhart15, N. d’Ascenzo42,v, M. Datta15, P. de Barbaro47, S. De Cecco49a, G. De Lorenzo4, M. Dell’Orso44b,44a, C. Deluca4, L. Demortier48, J. Deng14,d, M. Deninno6a, F. Devoto21, M. d’Errico41b,41a, A. Di Canto44b,44a, B. Di Ruzza44a, J. R. Dittmann5, M. D’Onofrio27, S. Donati44b,44a, P. Dong15, M. Dorigo52a, T. Dorigo41a, K. Ebina56, A. Elagin51, A. Eppig32, R. Erbacher7, D. Errede22, S. Errede22, N. Ershaidat42,aa, R. Eusebi51, H. C. Fang26, S. Farrington40, M. Feindt24, J. P. Fernandez29, C. Ferrazza44d,44a, R. Field16, G. Flanagan46,t, R. Forrest7, M. J. Frank5, M. Franklin20, J. C. Freeman15, Y. Funakoshi56, I. Furic16, M. Gallinaro48, J. Galyardt10, J. E. Garcia18, A. F. Garfinkel46, P. Garosi44c,44a, H. Gerberich22, E. Gerchtein15, S. Giagu49b,49a, V. Giakoumopoulou3, P. Giannetti44a, K. Gibson45, C. M. Ginsburg15, N. Giokaris3, P. Giromini17, M. Giunta44a, G. Giurgiu23, V. Glagolev13, D. Glenzinski15, M. Gold35, D. Goldin51, N. Goldschmidt16, A. Golossanov15, G. Gomez9, G. Gomez-Ceballos30, M. Goncharov30, O. González29, I. Gorelov35, A. T. Goshaw14, K. Goulianos48, S. Grinstein4, C. Grosso-Pilcher11, R. C. Group55,15, J. Guimaraes da Costa20, Z. Gunay-Unalan33, C. Haber26, S. R. Hahn15, E. Halkiadakis50, A. Hamaguchi39, J. Y. Han47, F. Happacher17, K. Hara53, D. Hare50, M. Hare54, R. F. Harr57, K. Hatakeyama5, C. Hays40, M. Heck24, J. Heinrich43, M. Herndon58, S. Hewamanage5, D. Hidas50, A. Hocker15, W. Hopkins15,h, D. Horn24, S. Hou1, R. E. Hughes37, M. Hurwitz11, U. Husemann59, N. Hussain31, M. Hussein33, J. Huston33, G. Introzzi44a, M. Iori49b,49a, A. Ivanov7,p, E. James15, D. Jang10, B. Jayatilaka14, E. J. Jeon25, M. K. Jha6a, S. Jindariani15, W. Johnson7, M. Jones46, K. K. Joo25, S. Y. Jun10, T. R. Junk15, T. Kamon51, P. E. Karchin57, A. Kasmi5, Y. Kato39,o, W. Ketchum11, J. Keung43, V. Khotilovich51, B. Kilminster15, D. H. Kim25, H. S. Kim25, H. W. Kim25, J. E. Kim25, M. J. Kim17, S. B. Kim25, S. H. Kim53, Y. K. Kim11, N. Kimura56, M. Kirby15, S. Klimenko16, K. Kondo56, D. J. Kong25, J. Konigsberg16, A. V. Kotwal14, M. Kreps24,bb, J. Kroll43, D. Krop11, N. Krumnack5,m, M. Kruse14, V. Krutelyov51,e, T. Kuhr24, M. Kurata53, S. Kwang11, A. T. Laasanen46, S. Lami44a, S. Lammel15, M. Lancaster28, R. L. Lander7, K. Lannon37,w, A. Lath50, G. Latino44b,44a, T. LeCompte2, E. Lee51, H. S. Lee11, J. S. Lee25, S. W. Lee51,y, S. Leo44b,44a, S. Leone44a, J. D. Lewis15, A. Limosani14,s, C.-J. Lin26, J. Linacre40, M. Lindgren15, E. Lipeles43, A. Lister18, D. O. Litvintsev15, C. Liu45, Q. Liu46, T. Liu15, S. Lockwitz59, A. Loginov59, D. Lucchesi41b,41a, J. Lueck24, P. Lujan26, P. Lukens15, G. Lungu48, J. Lys26, R. Lysak12, R. Madrak15, K. Maeshima15, K. Makhoul30, S. Malik48, G. Manca27,c, A. Manousakis-Katsikakis3, F. Margaroli46, C. Marino24, M. Martínez4, R. Martínez-Ballarín29, P. Mastrandrea49a, M. E. Mattson57, P. Mazzanti6a, K. S. McFarland47, P. McIntyre51, R. McNulty27,j, A. Mehta27, P. Mehtala21, A. Menzione44a, C. Mesropian48, T. Miao15, D. Mietlicki32, A. Mitra1, H. Miyake53, S. Moed20, N. Moggi6a, M. N. Mondragon15,l, C. S. Moon25, R. Moore15, M. J. Morello15, J. Morlock24, P. Movilla Fernandez15, A. Mukherjee15, Th. Muller24, P. Murat15, M. Mussini6b,6a, J. Nachtman15,n, Y. Nagai53, J. Naganoma56, I. Nakano38, A. Napier54, J. Nett51, C. Neu60, M. S. Neubauer22, J. Nielsen26,f, L. Nodulman2, O. Norniella22, E. Nurse28, L. Oakes40, S. H. Oh14, Y. D. Oh25, I. Oksuzian60, T. Okusawa39, R. Orava21, L. Ortolan4, S. Pagan Griso41b,41a, C. Pagliarone52a, E. Palencia9,g, V. Papadimitriou15, A. A. Paramonov2, J. Patrick15, G. Pauletta52b,52a, M. Paulini10, C. Paus30, D. E. Pellett7, A. Penzo52a, T. J. Phillips14, G. Piacentino44a, E. Pianori43, J. Pilot37, K. Pitts22, C. Plager8, L. Pondrom58, K. Potamianos46, O. Poukhov13,a, F. Prokoshin13,z, A. Pronko15, F. Ptohos17,i, E. Pueschel10, G. Punzi44b,44a, J. Pursley58, A. Rahaman45, V. Ramakrishnan58, N. Ranjan46, I. Redondo29, P. Renton40, M. Rescigno49a, T. Riddick28, F. Rimondi6b,6a, L. Ristori45,15, A. Robson19, T. Rodrigo9, T. Rodriguez43, E. Rogers22, S. Rolli54, R. Roser15, M. Rossi52a, F. Rubbo15, F. Ruffini44c,44a, A. Ruiz9, J. Russ10, V. Rusu15, A. Safonov51, W. K. Sakumoto47, Y. Sakurai56, L. Santi52b,52a, L. Sartori44a, K. Sato53, V. Saveliev42,v, A. Savoy-Navarro42, P. Schlabach15, A. Schmidt24, E. E. Schmidt15, M. P. Schmidt59,a, M. Schmitt36, T. Schwarz7, L. Scodellaro9, A. Scribano44c,44a, F. Scuri44a, A. Sedov46, S. Seidel35, Y. Seiya39, A. Semenov13, F. Sforza44b,44a, A. Sfyrla22, S. Z. Shalhout7, T. Shears27, P. F. Shepard45, M. Shimojima53,u, S. Shiraishi11, M. Shochet11, I. Shreyber34, A. Simonenko13, P. Sinervo31, A. Sissakian13,a, K. Sliwa54, J. R. Smith7, F. D. Snider15, A. Soha15, S. Somalwar50, V. Sorin4, P. Squillacioti15, M. Stancari15, M. Stanitzki59, R. St. Denis19, B. Stelzer31, O. Stelzer-Chilton31, D. Stentz36, J. Strologas35, G. L. Strycker32, Y. Sudo53, A. Sukhanov16, I. Suslov13, K. Takemasa53, Y. Takeuchi53, J. Tang11, M. Tecchio32, P. K. Teng1, J. Thom15,h, J. Thome10, G. A. Thompson22, E. Thomson43, P. Ttito-Guzmán29, S. Tkaczyk15, D. Toback51, S. Tokar12, K. Tollefson33, T. Tomura53, D. Tonelli15, S. Torre17, D. Torretta15, P. Totaro41a, M. Trovato44d,44a, Y. Tu43, F. Ukegawa53, S. Uozumi25, A. Varganov32, F. Vázquez16,l, G. Velev15, C. Vellidis3, M. Vidal29, I. Vila9, R. Vilar9, J. Vizán9, M. Vogel35, G. Volpi44b,44a, P. Wagner43, R. L. Wagner15, T. Wakisaka39, R. Wallny8, S. M. Wang1, A. Warburton31, D. Waters28, M. Weinberger51, W. C. Wester, III15, B. Whitehouse54, D. Whiteson43,d, A. B. Wicklund2, E. Wicklund15, S. Wilbur11, F. Wick24, H. H. Williams43, J. S. Wilson37, P. Wilson15, B. L. Winer37, P. Wittich15,h, S. Wolbers15, H. Wolfe37, T. Wright32, X. Wu18, Z. Wu5, K. Yamamoto39, J. Yamaoka14, T. Yang15, U. K. Yang11,q, Y. C. Yang25, W.-M. Yao26, G. P. Yeh15, K. Yi15,n, J. Yoh15, K. Yorita56, T. Yoshida39,k, G. B. Yu14, I. Yu25, S. S. Yu15, J. C. Yun15, A. Zanetti52a, Y. Zeng14, and S. Zucchelli6b,6a (CDF Collaboration)

    • 1Institute of Physics, Academia Sinica, Taipei, Taiwan 11529, Republic of China
    • 2Argonne National Laboratory, Argonne, Illinois 60439, USA
    • 3University of Athens, 157 71 Athens, Greece
    • 4Institut de Fisica d’Altes Energies, ICREA, Universitat Autonoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain
    • 5Baylor University, Waco, Texas 76798, USA
    • 6aIstituto Nazionale di Fisica Nucleare Bologna, I-40127 Bologna, Italy
    • 6bUniversity of Bologna, I-40127 Bologna, Italy
    • 7University of California, Davis, Davis, California 95616, USA
    • 8University of California, Los Angeles, Los Angeles, California 90024, USA
    • 9Instituto de Fisica de Cantabria, CSIC-University of Cantabria, 39005 Santander, Spain
    • 10Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
    • 11Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA
    • 12Comenius University, 842 48 Bratislava, Slovakia; Institute of Experimental Physics, 040 01 Kosice, Slovakia
    • 13Joint Institute for Nuclear Research, RU-141980 Dubna, Russia
    • 14Duke University, Durham, North Carolina 27708, USA
    • 15Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
    • 16University of Florida, Gainesville, Florida 32611, USA
    • 17Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati, Italy
    • 18University of Geneva, CH-1211 Geneva 4, Switzerland
    • 19Glasgow University, Glasgow G12 8QQ, United Kingdom
    • 20Harvard University, Cambridge, Massachusetts 02138, USA
    • 21Division of High Energy Physics, Department of Physics, University of Helsinki and Helsinki Institute of Physics, FIN-00014, Helsinki, Finland
    • 22University of Illinois, Urbana, Illinois 61801, USA
    • 23The Johns Hopkins University, Baltimore, Maryland 21218, USA
    • 24Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, D-76131 Karlsruhe, Germany
    • 25Center for High Energy Physics: Kyungpook National University, Daegu 702-701, Korea; Seoul National University, Seoul 151-742, Korea; Sungkyunkwan University, Suwon 440-746, Korea; Korea Institute of Science and Technology Information, Daejeon 305-806, Korea; Chonnam National University, Gwangju 500-757, Korea; Chonbuk National University, Jeonju 561-756, Korea
    • 26Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
    • 27University of Liverpool, Liverpool L69 7ZE, United Kingdom
    • 28University College London, London WC1E 6BT, United Kingdom
    • 29Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, E-28040 Madrid, Spain
    • 30Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    • 31Institute of Particle Physics: McGill University, Montréal, Québec, Canada H3A 2T8; Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6; University of Toronto, Toronto, Ontario, Canada M5S 1A7; and TRIUMF, Vancouver, British Columbia, Canada V6T 2A3
    • 32University of Michigan, Ann Arbor, Michigan 48109, USA
    • 33Michigan State University, East Lansing, Michigan 48824, USA
    • 34Institution for Theoretical and Experimental Physics, ITEP, Moscow 117259, Russia
    • 35University of New Mexico, Albuquerque, New Mexico 87131, USA
    • 36Northwestern University, Evanston, Illinois 60208, USA
    • 37The Ohio State University, Columbus, Ohio 43210, USA
    • 38Okayama University, Okayama 700-8530, Japan
    • 39Osaka City University, Osaka 588, Japan
    • 40University of Oxford, Oxford OX1 3RH, United Kingdom
    • 41aIstituto Nazionale di Fisica Nucleare, Sezione di Padova-Trento, I-35131 Padova, Italy
    • 41bUniversity of Padova, I-35131 Padova, Italy
    • 42LPNHE, Universite Pierre et Marie Curie/IN2P3-CNRS, UMR7585, Paris, F-75252 France
    • 43University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    • 44aIstituto Nazionale di Fisica Nucleare Pisa, I-56127 Pisa, Italy
    • 44bUniversity of Pisa, I-56127 Pisa, Italy
    • 44cUniversity of Siena, I-56127 Pisa, Italy
    • 44dScuola Normale Superiore, I-56127 Pisa, Italy
    • 45University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
    • 46Purdue University, West Lafayette, Indiana 47907, USA
    • 47University of Rochester, Rochester, New York 14627, USA
    • 48The Rockefeller University, New York, New York 10065, USA
    • 49aIstituto Nazionale di Fisica Nucleare, Sezione di Roma 1, I-00185 Roma, Italy
    • 49bSapienza Università di Roma, I-00185 Roma, Italy
    • 50Rutgers University, Piscataway, New Jersey 08855, USA
    • 51Texas A&M University, College Station, Texas 77843, USA
    • 52aIstituto Nazionale di Fisica Nucleare Trieste/Udine, I-34100 Trieste, Italy
    • 52bUniversity of Udine, I-33100 Udine, Italy
    • 53University of Tsukuba, Tsukuba, Ibaraki 305, Japan
    • 54Tufts University, Medford, Massachusetts 02155, USA
    • 55University of Virginia, Charlottesville, Virginia 22906, USA
    • 56Waseda University, Tokyo 169, Japan
    • 57Wayne State University, Detroit, Michigan 48201, USA
    • 58University of Wisconsin, Madison, Wisconsin 53706, USA
    • 59Yale University, New Haven, Connecticut 06520, USA
    • 60University of Virginia, Charlottesville, Virginia 22906, USA

    • aDeceased
    • bWith visitor from University of Massachusetts Amherst, Amherst, MA 01003, USA
    • cWith visitor from Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari, 09042 Monserrato (Cagliari), Italy
    • dWith visitor from University of California, Irvine, Irvine, CA 92697, USA
    • eWith visitor from University of California, Santa Barbara, Santa Barbara, CA 93106, USA
    • fWith visitor from University of California, Santa Cruz, Santa Cruz, CA 95064, USA
    • gWith visitor from CERN,CH-1211 Geneva, Switzerland
    • hWith visitor from Cornell University, Ithaca, NY 14853, USA
    • iWith visitor from University of Cyprus, Nicosia CY-1678, Cyprus
    • jWith visitor from University College Dublin, Dublin 4, Ireland
    • kWith visitor from University of Fukui, Fukui City, Fukui Prefecture, Japan 910-0017
    • lWith visitor from Universidad Iberoamericana, Mexico D.F., Mexico
    • mWith visitor from Iowa State University, Ames, IA 50011, USA
    • nWith visitor from University of Iowa, Iowa City, IA 52242, USA
    • oWith visitor from Kinki University, Higashi-Osaka City, Japan 577-8502
    • pWith visitor from Kansas State University, Manhattan, KS 66506, USA
    • qWith visitor from University of Manchester, Manchester M13 9PL, United Kingdom
    • rWith visitor from Queen Mary, University of London, London, E1 4NS, United Kingdom
    • sWith visitor from University of Melbourne, Victoria 3010, Australia
    • tWith visitor from Muons, Inc., Batavia, IL 60510, USA
    • uWith visitor from Nagasaki Institute of Applied Science, Nagasaki, Japan
    • vWith visitor from National Research Nuclear University, Moscow, Russia
    • wWith visitor from University of Notre Dame, Notre Dame, IN 46556, USA
    • xWith visitor from Universidad de Oviedo, E-33007 Oviedo, Spain
    • yWith visitor from Texas Tech University, Lubbock, TX 79609, USA
    • zWith visitor from Universidad Tecnica Federico Santa Maria, 110v Valparaiso, Chile
    • aaWith visitor from Yarmouk University, Irbid 211-63, Jordan
    • bbWith visitor from University of Warwick, Coventry CV4 7AL, United Kingdom
    • ccOn leave from J. Stefan Institute, Ljubljana, Slovenia

    Phys. Rev. D 84, 012003 – Published 13 July, 2011

    DOI: https://doi.org/10.1103/PhysRevD.84.012003

    Abstract

    We report measurements of the resonance properties of Λc(2595)+ and Λc(2625)+ baryons in their decays to Λc+π+π as well as Σc(2455)++,0 and Σc(2520)++,0 baryons in their decays to Λc+π± final states. These measurements are performed using data corresponding to 5.2fb1 of integrated luminosity from pp¯ collisions at s=1.96TeV, collected with the CDF II detector at the Fermilab Tevatron. Exploiting the largest available charmed baryon sample, we measure masses and decay widths with uncertainties comparable to the world averages for Σc states, and significantly smaller uncertainties than the world averages for excited Λc+ states.

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