Evidence for the Decay B_s⁰→D_s^(*)D_s^(*) and a Measurement of ΔΓ_s^CP/Γ_s

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V. M. Abazov³⁶, B. Abbott⁷⁵, M. Abolins⁶⁵, B. S. Acharya²⁹, M. Adams⁵¹, T. Adams⁴⁹, E. Aguilo⁶, M. Ahsan⁵⁹, G. D. Alexeev³⁶, G. Alkhazov⁴⁰, A. Alton^64,*, G. Alverson⁶³, G. A. Alves², M. Anastasoaie³⁵, L. S. Ancu³⁵, T. Andeen⁵³, B. Andrieu¹⁷, M. S. Anzelc⁵³, M. Aoki⁵⁰, Y. Arnoud¹⁴, M. Arov⁶⁰, M. Arthaud¹⁸, A. Askew^49,†, B. Åsman⁴¹, A. C. S. Assis Jesus³, O. Atramentov⁴⁹, C. Avila⁸, F. Badaud¹³, L. Bagby⁵⁰, B. Baldin⁵⁰, D. V. Bandurin⁵⁹, P. Banerjee²⁹, S. Banerjee²⁹, E. Barberis⁶³, A.-F. Barfuss¹⁵, P. Bargassa⁸⁰, P. Baringer⁵⁸, J. Barreto², J. F. Bartlett⁵⁰, U. Bassler¹⁸, D. Bauer⁴³, S. Beale⁶, A. Bean⁵⁸, M. Begalli³, M. Begel⁷³, C. Belanger-Champagne⁴¹, L. Bellantoni⁵⁰, A. Bellavance⁵⁰, J. A. Benitez⁶⁵, S. B. Beri²⁷, G. Bernardi¹⁷, R. Bernhard²³, I. Bertram⁴², M. Besançon¹⁸, R. Beuselinck⁴³, V. A. Bezzubov³⁹, P. C. Bhat⁵⁰, V. Bhatnagar²⁷, G. Blazey⁵², F. Blekman⁴³, S. Blessing⁴⁹, K. Bloom⁶⁷, A. Boehnlein⁵⁰, D. Boline⁶², T. A. Bolton⁵⁹, E. E. Boos³⁸, G. Borissov⁴², T. Bose⁷⁷, A. Brandt⁷⁸, R. Brock⁶⁵, G. Brooijmans⁷⁰, A. Bross⁵⁰, D. Brown⁸¹, X. B. Bu⁷, N. J. Buchanan⁴⁹, D. Buchholz⁵³, M. Buehler⁸¹, V. Buescher²², V. Bunichev³⁸, S. Burdin^42,‡, T. H. Burnett⁸², C. P. Buszello⁴³, P. Calfayan²⁵, S. Calvet¹⁶, J. Cammin⁷¹, M. A. Carrasco-Lizarraga³³, E. Carrera⁴⁹, W. Carvalho³, B. C. K. Casey⁵⁰, H. Castilla-Valdez³³, S. Chakrabarti⁷², D. Chakraborty⁵², K. M. Chan⁵⁵, A. Chandra⁴⁸, E. Cheu⁴⁵, D. K. Cho⁶², S. Choi³², B. Choudhary²⁸, L. Christofek⁷⁷, T. Christoudias⁴³, S. Cihangir⁵⁰, D. Claes⁶⁷, J. Clutter⁵⁸, M. Cooke⁵⁰, W. E. Cooper⁵⁰, M. Corcoran⁸⁰, F. Couderc¹⁸, M.-C. Cousinou¹⁵, S. Crépé-Renaudin¹⁴, V. Cuplov⁵⁹, D. Cutts⁷⁷, M. Ćwiok³⁰, H. da Motta², A. Das⁴⁵, G. Davies⁴³, K. De⁷⁸, S. J. de Jong³⁵, E. De La Cruz-Burelo³³, C. De Oliveira Martins³, K. DeVaughan⁶⁷, F. Déliot¹⁸, M. Demarteau⁵⁰, R. Demina⁷¹, D. Denisov⁵⁰, S. P. Denisov³⁹, S. Desai⁵⁰, H. T. Diehl⁵⁰, M. Diesburg⁵⁰, A. Dominguez⁶⁷, T. Dorland⁸², A. Dubey²⁸, L. V. Dudko³⁸, L. Duflot¹⁶, S. R. Dugad²⁹, D. Duggan⁴⁹, A. Duperrin¹⁵, S. Dutt²⁷, J. Dyer⁶⁵, A. Dyshkant⁵², M. Eads⁶⁷, D. Edmunds⁶⁵, J. Ellison⁴⁸, V. D. Elvira⁵⁰, Y. Enari⁷⁷, S. Eno⁶¹, P. Ermolov^38,c, H. Evans⁵⁴, A. Evdokimov⁷³, V. N. Evdokimov³⁹, A. V. Ferapontov⁵⁹, T. Ferbel^61,71, F. Fiedler²⁴, F. Filthaut³⁵, W. Fisher⁵⁰, H. E. Fisk⁵⁰, M. Fortner⁵², H. Fox⁴², S. Fu⁵⁰, S. Fuess⁵⁰, T. Gadfort⁷⁰, C. F. Galea³⁵, C. Garcia⁷¹, A. Garcia-Bellido⁷¹, V. Gavrilov³⁷, P. Gay¹³, W. Geist¹⁹, W. Geng^15,65, C. E. Gerber⁵¹, Y. Gershtein^49,†, D. Gillberg⁶, G. Ginther⁷¹, B. Gómez⁸, A. Goussiou⁸², P. D. Grannis⁷², H. Greenlee⁵⁰, Z. D. Greenwood⁶⁰, E. M. Gregores⁴, G. Grenier²⁰, Ph. Gris¹³, J.-F. Grivaz¹⁶, A. Grohsjean²⁵, S. Grünendahl⁵⁰, M. W. Grünewald³⁰, F. Guo⁷², J. Guo⁷², G. Gutierrez⁵⁰, P. Gutierrez⁷⁵, A. Haas⁷⁰, N. J. Hadley⁶¹, P. Haefner²⁵, S. Hagopian⁴⁹, J. Haley⁶⁸, I. Hall⁶⁵, R. E. Hall⁴⁷, L. Han⁷, K. Harder⁴⁴, A. Harel⁷¹, J. M. Hauptman⁵⁷, J. Hays⁴³, T. Hebbeker²¹, D. Hedin⁵², J. G. Hegeman³⁴, A. P. Heinson⁴⁸, U. Heintz⁶², C. Hensel^22,§, K. Herner⁷², G. Hesketh⁶³, M. D. Hildreth⁵⁵, R. Hirosky⁸¹, T. Hoang⁴⁹, J. D. Hobbs⁷², B. Hoeneisen¹², M. Hohlfeld²², S. Hossain⁷⁵, P. Houben³⁴, Y. Hu⁷², Z. Hubacek¹⁰, V. Hynek⁹, I. Iashvili⁶⁹, R. Illingworth⁵⁰, A. S. Ito⁵⁰, S. Jabeen⁶², M. Jaffré¹⁶, S. Jain⁷⁵, K. Jakobs²³, C. Jarvis⁶¹, R. Jesik⁴³, K. Johns⁴⁵, C. Johnson⁷⁰, M. Johnson⁵⁰, D. Johnston⁶⁷, A. Jonckheere⁵⁰, P. Jonsson⁴³, A. Juste⁵⁰, E. Kajfasz¹⁵, D. Karmanov³⁸, P. A. Kasper⁵⁰, I. Katsanos⁷⁰, V. Kaushik⁷⁸, R. Kehoe⁷⁹, S. Kermiche¹⁵, N. Khalatyan⁵⁰, A. Khanov⁷⁶, A. Kharchilava⁶⁹, Y. N. Kharzheev³⁶, D. Khatidze⁷⁰, T. J. Kim³¹, M. H. Kirby⁵³, M. Kirsch²¹, B. Klima⁵⁰, J. M. Kohli²⁷, J.-P. Konrath²³, A. V. Kozelov³⁹, J. Kraus⁶⁵, T. Kuhl²⁴, A. Kumar⁶⁹, A. Kupco¹¹, T. Kurča²⁰, V. A. Kuzmin³⁸, J. Kvita⁹, F. Lacroix¹³, D. Lam⁵⁵, S. Lammers⁷⁰, G. Landsberg⁷⁷, P. Lebrun²⁰, W. M. Lee⁵⁰, A. Leflat³⁸, J. Lellouch¹⁷, J. Li^78,c, L. Li⁴⁸, Q. Z. Li⁵⁰, S. M. Lietti⁵, J. K. Lim³¹, J. G. R. Lima⁵², D. Lincoln⁵⁰, J. Linnemann⁶⁵, V. V. Lipaev³⁹, R. Lipton⁵⁰, Y. Liu⁷, Z. Liu⁶, A. Lobodenko⁴⁰, M. Lokajicek¹¹, P. Love⁴², H. J. Lubatti⁸², R. Luna-Garcia^33,**, A. L. Lyon⁵⁰, A. K. A. Maciel², D. Mackin⁸⁰, R. J. Madaras⁴⁶, P. Mättig²⁶, A. Magerkurth⁶⁴, P. K. Mal⁸², H. B. Malbouisson³, S. Malik⁶⁷, V. L. Malyshev³⁶, Y. Maravin⁵⁹, B. Martin¹⁴, R. McCarthy⁷², M. M. Meijer³⁵, A. Melnitchouk⁶⁶, L. Mendoza⁸, P. G. Mercadante⁵, M. Merkin³⁸, K. W. Merritt⁵⁰, A. Meyer²¹, J. Meyer^22,§, J. Mitrevski⁷⁰, R. K. Mommsen⁴⁴, N. K. Mondal²⁹, R. W. Moore⁶, T. Moulik⁵⁸, G. S. Muanza¹⁵, M. Mulhearn⁷⁰, O. Mundal²², L. Mundim³, E. Nagy¹⁵, M. Naimuddin⁵⁰, M. Narain⁷⁷, H. A. Neal⁶⁴, J. P. Negret⁸, P. Neustroev⁴⁰, H. Nilsen²³, H. Nogima³, S. F. Novaes⁵, T. Nunnemann²⁵, D. C. O’Neil⁶, G. Obrant⁴⁰, C. Ochando¹⁶, D. Onoprienko⁵⁹, N. Oshima⁵⁰, N. Osman⁴³, J. Osta⁵⁵, R. Otec¹⁰, G. J. Otero y Garzón⁵⁰, M. Owen⁴⁴, P. Padley⁸⁰, M. Pangilinan⁷⁷, N. Parashar⁵⁶, S.-J. Park^22,§, S. K. Park³¹, J. Parsons⁷⁰, R. Partridge⁷⁷, N. Parua⁵⁴, A. Patwa⁷³, G. Pawloski⁸⁰, B. Penning²³, M. Perfilov³⁸, K. Peters⁴⁴, Y. Peters²⁶, P. Pétroff¹⁶, M. Petteni⁴³, R. Piegaia¹, J. Piper⁶⁵, M.-A. Pleier²², P. L. M. Podesta-Lerma^33,††, V. M. Podstavkov⁵⁰, Y. Pogorelov⁵⁵, M.-E. Pol², P. Polozov³⁷, B. G. Pope⁶⁵, A. V. Popov³⁹, C. Potter⁶, W. L. Prado da Silva³, H. B. Prosper⁴⁹, S. Protopopescu⁷³, J. Qian⁶⁴, A. Quadt^22,§, B. Quinn⁶⁶, A. Rakitine⁴², M. S. Rangel², K. Ranjan²⁸, P. N. Ratoff⁴², P. Renkel⁷⁹, P. Rich⁴⁴, M. Rijssenbeek⁷², I. Ripp-Baudot¹⁹, F. Rizatdinova⁷⁶, S. Robinson⁴³, R. F. Rodrigues³, M. Rominsky⁷⁵, C. Royon¹⁸, P. Rubinov⁵⁰, R. Ruchti⁵⁵, G. Safronov³⁷, G. Sajot¹⁴, A. Sánchez-Hernández³³, M. P. Sanders¹⁷, B. Sanghi⁵⁰, G. Savage⁵⁰, L. Sawyer⁶⁰, T. Scanlon⁴³, D. Schaile²⁵, R. D. Schamberger⁷², Y. Scheglov⁴⁰, H. Schellman⁵³, T. Schliephake²⁶, S. Schlobohm⁸², C. Schwanenberger⁴⁴, A. Schwartzman⁶⁸, R. Schwienhorst⁶⁵, J. Sekaric⁴⁹, H. Severini⁷⁵, E. Shabalina⁵¹, M. Shamim⁵⁹, V. Shary¹⁸, A. A. Shchukin³⁹, R. K. Shivpuri²⁸, V. Siccardi¹⁹, V. Simak¹⁰, V. Sirotenko⁵⁰, P. Skubic⁷⁵, P. Slattery⁷¹, D. Smirnov⁵⁵, G. R. Snow⁶⁷, J. Snow⁷⁴, S. Snyder⁷³, S. Söldner-Rembold⁴⁴, L. Sonnenschein¹⁷, A. Sopczak⁴², M. Sosebee⁷⁸, K. Soustruznik⁹, B. Spurlock⁷⁸, J. Stark¹⁴, V. Stolin³⁷, D. A. Stoyanova³⁹, J. Strandberg⁶⁴, S. Strandberg⁴¹, M. A. Strang⁶⁹, E. Strauss⁷², M. Strauss⁷⁵, R. Ströhmer²⁵, D. Strom⁵³, L. Stutte⁵⁰, S. Sumowidagdo⁴⁹, P. Svoisky³⁵, A. Sznajder³, A. Tanasijczuk¹, W. Taylor⁶, B. Tiller²⁵, F. Tissandier¹³, M. Titov¹⁸, V. V. Tokmenin³⁶, I. Torchiani²³, D. Tsybychev⁷², B. Tuchming¹⁸, C. Tully⁶⁸, P. M. Tuts⁷⁰, R. Unalan⁶⁵, L. Uvarov⁴⁰, S. Uvarov⁴⁰, S. Uzunyan⁵², B. Vachon⁶, P. J. van den Berg³⁴, R. Van Kooten⁵⁴, W. M. van Leeuwen³⁴, N. Varelas⁵¹, E. W. Varnes⁴⁵, I. A. Vasilyev³⁹, P. Verdier²⁰, L. S. Vertogradov³⁶, M. Verzocchi⁵⁰, D. Vilanova¹⁸, F. Villeneuve-Seguier⁴³, P. Vint⁴³, P. Vokac¹⁰, M. Voutilainen^67,‡‡, R. Wagner⁶⁸, H. D. Wahl⁴⁹, M. H. L. S. Wang⁵⁰, J. Warchol⁵⁵, G. Watts⁸², M. Wayne⁵⁵, G. Weber²⁴, M. Weber^50,a, L. Welty-Rieger⁵⁴, A. Wenger^23,b, N. Wermes²², M. Wetstein⁶¹, A. White⁷⁸, D. Wicke²⁶, M. R. J. Williams⁴², G. W. Wilson⁵⁸, S. J. Wimpenny⁴⁸, M. Wobisch⁶⁰, D. R. Wood⁶³, T. R. Wyatt⁴⁴, Y. Xie⁷⁷, C. Xu⁶⁴, S. Yacoob⁵³, R. Yamada⁵⁰, W.-C. Yang⁴⁴, T. Yasuda⁵⁰, Y. A. Yatsunenko³⁶, H. Yin⁷, K. Yip⁷³, H. D. Yoo⁷⁷, S. W. Youn⁵³, J. Yu⁷⁸, C. Zeitnitz²⁶, S. Zelitch⁸¹, T. Zhao⁸², B. Zhou⁶⁴, J. Zhu⁷², M. Zielinski⁷¹, D. Zieminska⁵⁴, A. Zieminski^54,c, L. Zivkovic⁷⁰, V. Zutshi⁵², and E. G. Zverev³⁸ (D0 Collaboration)
¹Universidad de Buenos Aires, Buenos Aires, Argentina
²LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Brazil
³Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
⁴Universidade Federal do ABC, Santo André, Brazil
⁵Instituto de Física Teórica, Universidade Estadual Paulista, São Paulo, Brazil
⁶University of Alberta, Edmonton, Alberta, Canada, Simon Fraser University, Burnaby, British Columbia, Canada, York University, Toronto, Ontario, Canada, and McGill University, Montreal, Quebec, Canada
⁷University of Science and Technology of China, Hefei, People’s Republic of China
⁸Universidad de los Andes, Bogotá, Colombia
⁹Center for Particle Physics, Charles University, Prague, Czech Republic
¹⁰Czech Technical University, Prague, Czech Republic
¹¹Center for Particle Physics, Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
¹²Universidad San Francisco de Quito, Quito, Ecuador
¹³LPC, Université Blaise Pascal, CNRS/IN2P3, Clermont, France
¹⁴LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, Grenoble, France
¹⁵CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France
¹⁶LAL, Université Paris-Sud, IN2P3/CNRS, Orsay, France
¹⁷LPNHE, IN2P3/CNRS, Universités Paris VI and VII, Paris, France
¹⁸CEA, Irfu, SPP, Saclay, France
¹⁹IPHC, Université Louis Pasteur, CNRS/IN2P3, Strasbourg, France
²⁰IPNL, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France and Université de Lyon, Lyon, France
²¹III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
²²Physikalisches Institut, Universität Bonn, Bonn, Germany
²³Physikalisches Institut, Universität Freiburg, Freiburg, Germany
²⁴Institut für Physik, Universität Mainz, Mainz, Germany
²⁵Ludwig-Maximilians-Universität München, München, Germany
²⁶Fachbereich Physik, University of Wuppertal, Wuppertal, Germany
²⁷Panjab University, Chandigarh, India
²⁸Delhi University, Delhi, India
²⁹Tata Institute of Fundamental Research, Mumbai, India
³⁰University College Dublin, Dublin, Ireland
³¹Korea Detector Laboratory, Korea University, Seoul, Korea
³²SungKyunKwan University, Suwon, Korea
³³CINVESTAV, Mexico City, Mexico
³⁴FOM-Institute NIKHEF and University of Amsterdam/NIKHEF, Amsterdam, The Netherlands
³⁵Radboud University Nijmegen/NIKHEF, Nijmegen, The Netherlands
³⁶Joint Institute for Nuclear Research, Dubna, Russia
³⁷Institute for Theoretical and Experimental Physics, Moscow, Russia
³⁸Moscow State University, Moscow, Russia
³⁹Institute for High Energy Physics, Protvino, Russia
⁴⁰Petersburg Nuclear Physics Institute, St. Petersburg, Russia
⁴¹Lund University, Lund, Sweden, Royal Institute of Technology and Stockholm University, Stockholm, Sweden, and Uppsala University, Uppsala, Sweden
⁴²Lancaster University, Lancaster, United Kingdom
⁴³Imperial College, London, United Kingdom
⁴⁴University of Manchester, Manchester, United Kingdom
⁴⁵University of Arizona, Tucson, Arizona 85721, USA
⁴⁶Lawrence Berkeley National Laboratory and University of California, Berkeley, California 94720, USA
⁴⁷California State University, Fresno, California 93740, USA
⁴⁸University of California, Riverside, California 92521, USA
⁴⁹Florida State University, Tallahassee, Florida 32306, USA
⁵⁰Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
⁵¹University of Illinois at Chicago, Chicago, Illinois 60607, USA
⁵²Northern Illinois University, DeKalb, Illinois 60115, USA
⁵³Northwestern University, Evanston, Illinois 60208, USA
⁵⁴Indiana University, Bloomington, Indiana 47405, USA
⁵⁵University of Notre Dame, Notre Dame, Indiana 46556, USA
⁵⁶Purdue University Calumet, Hammond, Indiana 46323, USA
⁵⁷Iowa State University, Ames, Iowa 50011, USA
⁵⁸University of Kansas, Lawrence, Kansas 66045, USA
⁵⁹Kansas State University, Manhattan, Kansas 66506, USA
⁶⁰Louisiana Tech University, Ruston, Louisiana 71272, USA
⁶¹University of Maryland, College Park, Maryland 20742, USA
⁶²Boston University, Boston, Massachusetts 02215, USA
⁶³Northeastern University, Boston, Massachusetts 02115, USA
⁶⁴University of Michigan, Ann Arbor, Michigan 48109, USA
⁶⁵Michigan State University, East Lansing, Michigan 48824, USA
⁶⁶University of Mississippi, University, Mississippi 38677, USA
⁶⁷University of Nebraska, Lincoln, Nebraska 68588, USA
⁶⁸Princeton University, Princeton, New Jersey 08544, USA
⁶⁹State University of New York, Buffalo, New York 14260, USA
⁷⁰Columbia University, New York, New York 10027, USA
⁷¹University of Rochester, Rochester, New York 14627, USA
⁷²State University of New York, Stony Brook, New York 11794, USA
⁷³Brookhaven National Laboratory, Upton, New York 11973, USA
⁷⁴Langston University, Langston, Oklahoma 73050, USA
⁷⁵University of Oklahoma, Norman, Oklahoma 73019, USA
⁷⁶Oklahoma State University, Stillwater, Oklahoma 74078, USA
⁷⁷Brown University, Providence, Rhode Island 02912, USA
⁷⁸University of Texas, Arlington, Texas 76019, USA
⁷⁹Southern Methodist University, Dallas, Texas 75275, USA
⁸⁰Rice University, Houston, Texas 77005, USA
⁸¹University of Virginia, Charlottesville, Virginia 22901, USA
⁸²University of Washington, Seattle, Washington 98195, USA

^*Visitor from Augustana College, Sioux Falls, SD, USA.

^†Visitor from Rutgers University, Piscataway, NJ, USA.

^‡Visitor from The University of Liverpool, Liverpool, United Kingdom.

^§Visitor from II. Physikalisches Institut, Georg-August-University, Göttingen, Germany.

^**Visitor from Centro de Investigacion en Computacion - IPN, Mexico City, Mexico.

^††Visitor from ECFM, Universidad Autonoma de Sinaloa, Culiacán, Mexico.

^‡‡Visitor from Helsinki Institute of Physics, Helsinki, Finland.

^aVisitor from Universität Bern, Bern, Switzerland.

^bVisitor from Universität Zürich, Zürich, Switzerland.

^cDeceased.