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Double parton interactions in $γ + 3$ jet and $γ + b / c jet + 2$ jet events in $p \bar{p}$ collisions at $\sqrt{s} = 1.96 TeV$

V. M. Abazov³¹, B. Abbott⁶⁷, B. S. Acharya²⁵, M. Adams⁴⁶, T. Adams⁴⁴, J. P. Agnew⁴¹, G. D. Alexeev³¹, G. Alkhazov³⁵, A. Alton^56,a et al. (D0 Collaboration)

A. Alton^56,a, A. Askew⁴⁴, S. Atkins⁵⁴, K. Augsten⁷, C. Avila⁵, F. Badaud¹⁰, L. Bagby⁴⁵, B. Baldin⁴⁵, D. V. Bandurin⁷³, S. Banerjee²⁵, E. Barberis⁵⁵, P. Baringer⁵³, J. F. Bartlett⁴⁵, U. Bassler¹⁵, V. Bazterra⁴⁶, A. Bean⁵³, M. Begalli², L. Bellantoni⁴⁵, S. B. Beri²³, G. Bernardi¹⁴, R. Bernhard¹⁹, I. Bertram³⁹, M. Besançon¹⁵, R. Beuselinck⁴⁰, P. C. Bhat⁴⁵, S. Bhatia⁵⁸, V. Bhatnagar²³, G. Blazey⁴⁷, S. Blessing⁴⁴, K. Bloom⁵⁹, A. Boehnlein⁴⁵, D. Boline⁶⁴, E. E. Boos³³, G. Borissov³⁹, M. Borysova^38,l, A. Brandt⁷⁰, O. Brandt²⁰, R. Brock⁵⁷, A. Bross⁴⁵, D. Brown¹⁴, X. B. Bu⁴⁵, M. Buehler⁴⁵, V. Buescher²¹, V. Bunichev³³, S. Burdin^39,b, C. P. Buszello³⁷, E. Camacho-Pérez²⁸, B. C. K. Casey⁴⁵, H. Castilla-Valdez²⁸, S. Caughron⁵⁷, S. Chakrabarti⁶⁴, K. M. Chan⁵¹, A. Chandra⁷², E. Chapon¹⁵, G. Chen⁵³, S. W. Cho²⁷, S. Choi²⁷, B. Choudhary²⁴, S. Cihangir⁴⁵, D. Claes⁵⁹, J. Clutter⁵³, M. Cooke^45,k, W. E. Cooper⁴⁵, M. Corcoran⁷², F. Couderc¹⁵, M.-C. Cousinou¹², D. Cutts⁶⁹, A. Das⁴², G. Davies⁴⁰, S. J. de Jong^29,30, E. De La Cruz-Burelo²⁸, F. Déliot¹⁵, R. Demina⁶³, D. Denisov⁴⁵, S. P. Denisov³⁴, S. Desai⁴⁵, C. Deterre^20,c, K. DeVaughan⁵⁹, H. T. Diehl⁴⁵, M. Diesburg⁴⁵, P. F. Ding⁴¹, A. Dominguez⁵⁹, A. Dubey²⁴, L. V. Dudko³³, A. Duperrin¹², S. Dutt²³, M. Eads⁴⁷, D. Edmunds⁵⁷, J. Ellison⁴³, V. D. Elvira⁴⁵, Y. Enari¹⁴, H. Evans⁴⁹, V. N. Evdokimov³⁴, L. Feng⁴⁷, T. Ferbel⁶³, F. Fiedler²¹, F. Filthaut^29,30, W. Fisher⁵⁷, H. E. Fisk⁴⁵, M. Fortner⁴⁷, H. Fox³⁹, S. Fuess⁴⁵, P. H. Garbincius⁴⁵, A. Garcia-Bellido⁶³, J. A. García-González²⁸, V. Gavrilov³², W. Geng^12,57, C. E. Gerber⁴⁶, Y. Gershtein⁶⁰, G. Ginther^45,63, G. Golovanov³¹, P. D. Grannis⁶⁴, S. Greder¹⁶, H. Greenlee⁴⁵, G. Grenier¹⁷, Ph. Gris¹⁰, J.-F. Grivaz¹³, A. Grohsjean^15,c, S. Grünendahl⁴⁵, M. W. Grünewald²⁶, T. Guillemin¹³, G. Gutierrez⁴⁵, P. Gutierrez⁶⁷, J. Haley⁶⁸, L. Han⁴, K. Harder⁴¹, A. Harel⁶³, J. M. Hauptman⁵², J. Hays⁴⁰, T. Head⁴¹, T. Hebbeker¹⁸, D. Hedin⁴⁷, H. Hegab⁶⁸, A. P. Heinson⁴³, U. Heintz⁶⁹, C. Hensel¹, I. Heredia-De La Cruz^28,d, K. Herner⁴⁵, G. Hesketh^41,f, M. D. Hildreth⁵¹, R. Hirosky⁷³, T. Hoang⁴⁴, J. D. Hobbs⁶⁴, B. Hoeneisen⁹, J. Hogan⁷², M. Hohlfeld²¹, J. L. Holzbauer⁵⁸, I. Howley⁷⁰, Z. Hubacek^7,15, V. Hynek⁷, I. Iashvili⁶², Y. Ilchenko⁷¹, R. Illingworth⁴⁵, A. S. Ito⁴⁵, S. Jabeen⁶⁹, M. Jaffré¹³, A. Jayasinghe⁶⁷, M. S. Jeong²⁷, R. Jesik⁴⁰, P. Jiang⁴, K. Johns⁴², E. Johnson⁵⁷, M. Johnson⁴⁵, A. Jonckheere⁴⁵, P. Jonsson⁴⁰, J. Joshi⁴³, A. W. Jung⁴⁵, A. Juste³⁶, E. Kajfasz¹², D. Karmanov³³, I. Katsanos⁵⁹, R. Kehoe⁷¹, S. Kermiche¹², N. Khalatyan⁴⁵, A. Khanov⁶⁸, A. Kharchilava⁶², Y. N. Kharzheev³¹, I. Kiselevich³², J. M. Kohli²³, A. V. Kozelov³⁴, J. Kraus⁵⁸, A. Kumar⁶², A. Kupco⁸, T. Kurča¹⁷, V. A. Kuzmin³³, S. Lammers⁴⁹, P. Lebrun¹⁷, H. S. Lee²⁷, S. W. Lee⁵², W. M. Lee⁴⁵, X. Lei⁴², J. Lellouch¹⁴, D. Li¹⁴, H. Li⁷³, L. Li⁴³, Q. Z. Li⁴⁵, J. K. Lim²⁷, D. Lincoln⁴⁵, J. Linnemann⁵⁷, V. V. Lipaev³⁴, R. Lipton⁴⁵, H. Liu⁷¹, Y. Liu⁴, A. Lobodenko³⁵, M. Lokajicek⁸, R. Lopes de Sa⁶⁴, R. Luna-Garcia^28,g, A. L. Lyon⁴⁵, A. K. A. Maciel¹, R. Madar¹⁹, R. Magaña-Villalba²⁸, S. Malik⁵⁹, V. L. Malyshev³¹, J. Mansour²⁰, J. Martínez-Ortega²⁸, R. McCarthy⁶⁴, C. L. McGivern⁴¹, M. M. Meijer^29,30, A. Melnitchouk⁴⁵, D. Menezes⁴⁷, P. G. Mercadante³, M. Merkin³³, A. Meyer¹⁸, J. Meyer^20,i, F. Miconi¹⁶, N. K. Mondal²⁵, M. Mulhearn⁷³, E. Nagy¹², M. Narain⁶⁹, R. Nayyar⁴², H. A. Neal⁵⁶, J. P. Negret⁵, P. Neustroev³⁵, H. T. Nguyen⁷³, T. Nunnemann²², J. Orduna⁷², N. Osman¹², J. Osta⁵¹, A. Pal⁷⁰, N. Parashar⁵⁰, V. Parihar⁶⁹, S. K. Park²⁷, R. Partridge^69,e, N. Parua⁴⁹, A. Patwa^65,j, B. Penning⁴⁵, M. Perfilov³³, Y. Peters⁴¹, K. Petridis⁴¹, G. Petrillo⁶³, P. Pétroff¹³, M.-A. Pleier⁶⁵, V. M. Podstavkov⁴⁵, A. V. Popov³⁴, M. Prewitt⁷², D. Price⁴¹, N. Prokopenko³⁴, J. Qian⁵⁶, A. Quadt²⁰, B. Quinn⁵⁸, P. N. Ratoff³⁹, I. Razumov³⁴, I. Ripp-Baudot¹⁶, F. Rizatdinova⁶⁸, M. Rominsky⁴⁵, A. Ross³⁹, C. Royon¹⁵, P. Rubinov⁴⁵, R. Ruchti⁵¹, G. Sajot¹¹, A. Sánchez-Hernández²⁸, M. P. Sanders²², A. S. Santos^1,h, G. Savage⁴⁵, L. Sawyer⁵⁴, T. Scanlon⁴⁰, R. D. Schamberger⁶⁴, Y. Scheglov³⁵, H. Schellman⁴⁸, C. Schwanenberger⁴¹, R. Schwienhorst⁵⁷, J. Sekaric⁵³, H. Severini⁶⁷, E. Shabalina²⁰, V. Shary¹⁵, S. Shaw⁵⁷, A. A. Shchukin³⁴, V. Simak⁷, N. B. Skachkov³¹, P. Skubic⁶⁷, P. Slattery⁶³, D. Smirnov⁵¹, G. R. Snow⁵⁹, J. Snow⁶⁶, S. Snyder⁶⁵, S. Söldner-Rembold⁴¹, L. Sonnenschein¹⁸, K. Soustruznik⁶, J. Stark¹¹, D. A. Stoyanova³⁴, M. Strauss⁶⁷, L. Suter⁴¹, P. Svoisky⁶⁷, M. Titov¹⁵, V. V. Tokmenin³¹, Y.-T. Tsai⁶³, D. Tsybychev⁶⁴, B. Tuchming¹⁵, C. Tully⁶¹, L. Uvarov³⁵, S. Uvarov³⁵, S. Uzunyan⁴⁷, R. Van Kooten⁴⁹, W. M. van Leeuwen²⁹, N. Varelas⁴⁶, E. W. Varnes⁴², I. A. Vasilyev³⁴, A. Y. Verkheev³¹, L. S. Vertogradov³¹, M. Verzocchi⁴⁵, M. Vesterinen⁴¹, D. Vilanova¹⁵, P. Vokac⁷, H. D. Wahl⁴⁴, M. H. L. S. Wang⁴⁵, J. Warchol⁵¹, G. Watts⁷⁴, M. Wayne⁵¹, J. Weichert²¹, L. Welty-Rieger⁴⁸, M. R. J. Williams⁴⁹, G. W. Wilson⁵³, M. Wobisch⁵⁴, D. R. Wood⁵⁵, T. R. Wyatt⁴¹, Y. Xie⁴⁵, R. Yamada⁴⁵, S. Yang⁴, T. Yasuda⁴⁵, Y. A. Yatsunenko³¹, W. Ye⁶⁴, Z. Ye⁴⁵, H. Yin⁴⁵, K. Yip⁶⁵, S. W. Youn⁴⁵, J. M. Yu⁵⁶, J. Zennamo⁶², T. G. Zhao⁴¹, B. Zhou⁵⁶, J. Zhu⁵⁶, M. Zielinski⁶³, D. Zieminska⁴⁹, and L. Zivkovic¹⁴ (D0 Collaboration)

¹LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Brazil
²Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
³Universidade Federal do ABC, Santo André, Brazil
⁴University of Science and Technology of China, Hefei, People’s Republic of China
⁵Universidad de los Andes, Bogotá, Colombia
⁶Charles University, Faculty of Mathematics and Physics, Center for Particle Physics, Prague, Czech Republic
⁷Czech Technical University in Prague, Prague, Czech Republic
⁸Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
⁹Universidad San Francisco de Quito, Quito, Ecuador
¹⁰LPC, Université Blaise Pascal, CNRS/IN2P3, Clermont, France
¹¹LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, Grenoble, France
¹²CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France
¹³LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France
¹⁴LPNHE, Universités Paris VI and VII, CNRS/IN2P3, Paris, France
¹⁵CEA, Irfu, SPP, Saclay, France
¹⁶IPHC, Université de Strasbourg, CNRS/IN2P3, Strasbourg, France
¹⁷IPNL, Université Lyon 1, CNRS/IN2P3, Villeurbanne, France and Université de Lyon, Lyon, France
¹⁸III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
¹⁹Physikalisches Institut, Universität Freiburg, Freiburg, Germany
²⁰II. Physikalisches Institut, Georg-August-Universität Göttingen, Göttingen, Germany
²¹Institut für Physik, Universität Mainz, Mainz, Germany
²²Ludwig-Maximilians-Universität München, München, Germany
²³Panjab University, Chandigarh, India
²⁴Delhi University, Delhi, India
²⁵Tata Institute of Fundamental Research, Mumbai, India
²⁶University College Dublin, Dublin, Ireland
²⁷Korea Detector Laboratory, Korea University, Seoul, Korea
²⁸CINVESTAV, Mexico City, Mexico
²⁹Nikhef, Science Park, Amsterdam, the Netherlands
³⁰Radboud University Nijmegen, Nijmegen, the Netherlands
³¹Joint Institute for Nuclear Research, Dubna, Russia
³²Institute for Theoretical and Experimental Physics, Moscow, Russia
³³Moscow State University, Moscow, Russia
³⁴Institute for High Energy Physics, Protvino, Russia
³⁵Petersburg Nuclear Physics Institute, St. Petersburg, Russia
³⁶Institució Catalana de Recerca i Estudis Avançats (ICREA) and Institut de Física d’Altes Energies (IFAE), Barcelona, Spain
³⁷Uppsala University, Uppsala, Sweden
³⁸Taras Shevchenko National University of Kyiv, Kiev, Ukraine
³⁹Lancaster University, Lancaster LA1 4YB, United Kingdom
⁴⁰Imperial College London, London SW7 2AZ, United Kingdom
⁴¹The University of Manchester, Manchester M13 9PL, United Kingdom
⁴²University of Arizona, Tucson, Arizona 85721, USA
⁴³University of California Riverside, Riverside, California 92521, USA
⁴⁴Florida State University, Tallahassee, Florida 32306, USA
⁴⁵Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA
⁴⁶University of Illinois at Chicago, Chicago, Illinois 60607, USA
⁴⁷Northern Illinois University, DeKalb, Illinois 60115, USA
⁴⁸Northwestern University, Evanston, Illinois 60208, USA
⁴⁹Indiana University, Bloomington, Indiana 47405, USA
⁵⁰Purdue University Calumet, Hammond, Indiana 46323, USA
⁵¹University of Notre Dame, Notre Dame, Indiana 46556, USA
⁵²Iowa State University, Ames, Iowa 50011, USA
⁵³University of Kansas, Lawrence, Kansas 66045, USA
⁵⁴Louisiana Tech University, Ruston, Louisiana 71272, USA
⁵⁵Northeastern University, Boston, Massachusetts 02115, USA
⁵⁶University of Michigan, Ann Arbor, Michigan 48109, USA
⁵⁷Michigan State University, East Lansing, Michigan 48824, USA
⁵⁸University of Mississippi, University, Mississippi 38677, USA
⁵⁹University of Nebraska, Lincoln, Nebraska 68588, USA
⁶⁰Rutgers University, Piscataway, New Jersey 08855, USA
⁶¹Princeton University, Princeton, New Jersey 08544, USA
⁶²State University of New York, Buffalo, New York 14260, USA
⁶³University of Rochester, Rochester, New York 14627, USA
⁶⁴State University of New York, Stony Brook, New York 11794, USA
⁶⁵Brookhaven National Laboratory, Upton, New York 11973, USA
⁶⁶Langston University, Langston, Oklahoma 73050, USA
⁶⁷University of Oklahoma, Norman, Oklahoma 73019, USA
⁶⁸Oklahoma State University, Stillwater, Oklahoma 74078, USA
⁶⁹Brown University, Providence, Rhode Island 02912, USA
⁷⁰University of Texas, Arlington, Texas 76019, USA
⁷¹Southern Methodist University, Dallas, Texas 75275, USA
⁷²Rice University, Houston, Texas 77005, USA
⁷³University of Virginia, Charlottesville, Virginia 22904, USA
⁷⁴University of Washington, Seattle, Washington 98195, USA

^aVisitor from Augustana College, Sioux Falls, South Dakota, USA.
^bVisitor from The University of Liverpool, Liverpool, United Kingdom.
^cVisitor from DESY, Hamburg, Germany.
^dVisitor from Universidad Michoacana de San Nicolas de Hidalgo, Morelia, Mexico.
^eVisitor from SLAC, Menlo Park, CA, USA.
^fVisitor from University College London, London, UK.
^gVisitor from Centro de Investigacion en Computacion–IPN, Mexico City, Mexico.
^hVisitor from Universidade Estadual Paulista, São Paulo, Brazil.
ⁱVisitor from Karlsruher Institut für Technologie (KIT)–Steinbuch Centre for Computing (SCC), D-76128 Karlsrue, Germany.
^jVisitor from Office of Science, U.S. Department of Energy, Washington, DC 20585, USA.
^kVisitor from American Association for the Advancement of Science, Washington, DC 20005, USA.
^lVisitor from Kiev Institute for Nuclear Research, Kiev, Ukraine.

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Phys. Rev. D 89, 072006 – Published 8 April, 2014

DOI: https://doi.org/10.1103/PhysRevD.89.072006

Abstract

We determine the fraction of events with double parton (DP) scattering in a single $p \bar{p}$ collision at $\sqrt{s} = 1.96 TeV$ in samples of $γ + 3$ jet and $γ + b / c jet + 2$ jet events collected with the D0 detector and corresponding to an integrated luminosity of about $8.7 {fb}^{- 1}$ . The DP fractions and effective cross sections ( $σ_{eff}$ ) are measured for both event samples using the same kinematic selections. The measured DP fractions range from 0.21 to 0.17, with effective cross sections in the $γ + 3$ jet and $γ + b / c jet + 2$ jet samples of $σ_{eff}^{incl} = 12.7 \pm 0.2 (stat) \pm 1.3 (syst) mb$ and $σ_{eff}^{HF} = 14.6 \pm 0.6 (stat) \pm 3.2 (syst) mb$ , respectively.

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Double parton interactions in $γ + 3$ jet and $γ + b / c jet + 2$ jet events in $p \bar{p}$ collisions at $\sqrt{s} = 1.96 TeV$

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Double parton interactions in γ+3 jet and γ+b/cjet+2 jet events in pp¯ collisions at s=1.96 TeV

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Double parton interactions in $γ + 3$ jet and $γ + b / c jet + 2$ jet events in $p \bar{p}$ collisions at $\sqrt{s} = 1.96 TeV$