Measurement of Differential Z/γ* + jet + X Cross Sections in pp Collisions at √s = 1.96 TeV

Victor Mukhamedovich Abazov,Brad Abbott,M. Abolins,B. S. Acharya,M. R. Adams,Todd Adams,Ernest Aguilo,M Ahsan,G. D. Alexeev,Georgy Alkhazov,A. Alton,G. Alverson,G.A. Alves,M. Anastasoaie,L. S. Ancu,Timothy Andeen,B. Andrieu,M. S. Anzelc,Masato Aoki,Y. Arnoud,M. Arov,M. Arthaud,Andrew Askew,B. Åsman,A. C. S. Assis Jesus,O. Atramentov,C. Avila,F. Badaud,L. Bagby,B. Baldin,D. V. Bandurin,P. Banerjee,Sunanda Banerjee,E. Barberis,A. F. Barfuss,Pedrame Bargassa,P. Baringer,J. Barreto,J. F. Bartlett,U. Bässler,D. Bauer,S. Beale,A. Bean,Marcia Begalli,Michael Begel,C. Belanger-Champagne,L. Bellantoni,A. Bellavance,J. A. Benitez,S. B. Beri,G. Bernardi,R. Bernhard,Iain Alexander Bertram,M. Besançon,R. Beuselinck,V.A. Bezzubov,P. C. Bhat,V. Bhatnagar,C. Biscarat,G. Blazey,Freya Blekman,S. Blessing,Kenneth Bloom,A. Boehnlein,D. Boline,T. A. Bolton,E. E. Boos,Guennadi Borissov,T. Bose,Andrew Brandt,Raymond Brock,Gustaaf Brooijmans,A. Bross,D. Brown,X. B. Bu,N. J. Buchanan,D. Buchholz,M. Buehler,V. Buescher,V. Bunichev,S. Burdin,T.H. Burnett,C. P. Buszello,John Butler,Philippe Calfayan,Samuel Calvet,J. Cammin,E. Carrera,W. Carvalho,B. C. K. Casey,Heriberto Castilla-Valdez,S. Chakrabarti,D. Chakraborty,K. M. Chan,A. Chandra,Elliott Cheu,F. Chevallier,D. K. Cho,Suyong Choi,B. C. Choudhary,L. Christofek,T. Christoudias,Selcuk Cihangir,Daniel R Claes,J. Clutter,M. Cooke,W. E. Cooper,M.D. Corcoran,Fabrice Couderc,M. C. Cousinou,Sabine Crépé-Renaudin,V. Cuplov,D. Cutts,M. Ćwiok,H. da Motta,A. Das,Gavin Davies,Kaushik De,S. J. de Jong,E. De La Cruz Burelo,C. De Oliveira Martins,K. DeVaughan,J. D. Degenhardt,Frédéric Déliot,M. Demarteau,Regina Demina,D. Denisov,S. P. Denisov,S. Desai,H. T. Diehl,M. Diesburg,A. Dominguez,H. Dong,Tyler Dorland,A. Dubey,L. V. Dudko,Laurent Duflot,S. R. Dugad,D. Duggan,Arnaud Duperrin,J. Dyer,A. Dyshkant,M. Eads,D. Edmunds,J. Ellison,V. D. Elvira,Y. Enari,S Eno,P.F. Ermolov,Hal Evans,A. Evdokimov,V N Evdokimov,A. V. Ferapontov,Thomas Ferbel,Frank Fiedler,Frank Filthaut,William H. Fisher,H. E. Fisk,M. Fortner,Harald Fox,S. Fu,S. Fuess,T. Gadfort,Cristina Galea,C. Garcia,A. Garcia-Bellido,V. Gavrilov,W. M. Geist,W. Geng,C.E. Gerber,Y. Gershtein,D. Gillberg,G. Ginther,N. Gollub,B. Gómez,Anna Goussiou,Paul D Grannis,H. Greenlee,Z. D. Greenwood,E. M. Gregores,G. Grenier,Ph. Gris,J.-F. Grivaz,Alexander Grohsjean,S. Grünendahl,M. W. Grünewald,F. Guo,J. Guo,G. Gutierrez,Phillip Gutierrez,Andy Haas,N. J. Hadley,P. Haefner,S. Hagopian,J. Haley,I. Hall,R. E. Hall,Liang Han,K. Harder,Amnon Harel,J. M. Hauptman,Jonathan Michael Hays,Thomas Hebbeker,D. Hedin,J. G. Hegeman,A. P. Heinson,U. Heintz,C. Hensel,K. Herner,Geoffrey G. Hesketh,M D Hildreth,R. Hirosky,J.D. Hobbs,B. Hoeneisen,H. Hoeth,M. Hohlfeld,S. Hossain,P. Houben,Y. Hu,Zdenek Hubacek,V. Hynek,Ia Iashvili,R. Illingworth,A. S. Ito,S. Jabeen,M. Jaffré,Supriya Jain,Karl Jakobs,C. Jarvis,R. Jesik,K. A. Johns,C Johnson,M. Johnson,D. Johnston,A. Jonckheere,P. Jonsson,A. Juste,E. Kajfasz,J. M. Kalk,D. Karmanov,P. A. Kasper,I. Katsanos,D. Kau,V. Kaushik,Robert Kehoe,S. Kermiche,N. Khalatyan,Alexander Khanov,Avto Kharchilava,Y. M. Kharzheev,D. Khatidze,Tae Jeong Kim,M. H. Kirby,M. Kirsch,B. Klima,J. M. Kohli,J.-P. Konrath,A.V. Kozelov,Jana Kraus,T. Kuhl,A. Kumar,Alexander Kupco,T Kurca,V. A. Kuzmin,Jiri Kvita,Frédéric Lacroix,D. Lam,Sabine Lammers,G. Landsberg,P. Lebrun,W. M. Lee,Alexander Leflat,J. Lellouch,J. Li,Liang Li,Q. Z. Li,S. M. Lietti,J. K. Lim,J.G.R. Lima,Don Lincoln,J. T. Linnemann,V. V. Lipaev,R. Lipton,Y.L. Liu,Zhiyong Liu,A. Lobodenko,Milos Lokajicek,P. A. Love,H. J. Lubatti,R. Luna,A. L. Lyon,A.K.A. Maciel,Dennis Stephen Mackin,R. J. Madaras,Peter Mättig,C. Magass,A. Magerkurth,P. K. Mal,H. B. Malbouisson,S. Malik,V. L. Malyshev,Yurii Maravin,B. Martin,Robert McCarthy,A. Melnitchouk,L. Mendoza,P. G. Mercadante,M. Merkin,K. W. Merritt,Andreas Bernhard Meyer,Jochen Meyer,J. Mitrevski,R. K. Mommsen,N. K. Mondal,R. W. Moore,T. Moulik,G. S. Muanza,M. Mulhearn,O. Mundal,L. Mundim,Elemer Nagy,Md. Naimuddin,M. Narain,N. A. Naumann,H. A. Neal,J. P. Negret,P. Neustroev,H. Nilsen,Helio Nogima,Sf Novaes,T. Nunnemann,V. O’Dell,D. C. O'Neil,G. Obrant,C. Ochando,D. Onoprienko,N. Oshima,N. Osman,J. Osta,R. Otec,G. J. Otero Y Garzón,Mark Owen,P. Padley,M. Pangilinan,N Parashar,S.J Park,S. K. Park,John Parsons,R. Partridge,N. Parua,A. Patwa,G Pawloski,B. Penning,Maxim Perfilov,K. Peters,Yvonne Peters,P. Pétroff,M. Petteni,Ricardo Piegaia,J. Piper,M.-A. Pleier,P. L.M. Podesta-Lerma,V. M. Podstavkov,Y. Pogorelov,M.-E. Pol,P Polozov,B. G. Pope,A. V. Popov,C. T. Potter,W. L. Prado Da Silva,H. B. Prosper,Serban Protopopescu,Jianming Qian,Arnulf Quadt,B. Quinn,A. Rakitine,Murilo Rangel,Kirti Ranjan,P. N. Ratoff,P. Renkel,P. Rich,J. Rieger,M. Rijssenbeek,I. Ripp-Baudot,Flera Rizatdinova,S Robinson,R. F. Rodrigues,M. Rominsky,C. R. Royon,P. Rubinov,R. Ruchti,G. Safronov,G. Sajot,A. Sánchez Hernández,M.P. Sanders,B. Sanghi,G. Savage,Lee Sawyer,T. Scanlon,Dorothee Schaile,R.D. Schamberger,Y. Scheglov,H. Schellman,T. Schliephake,S. Schlobohm,C. Schwanenberger,A. Schwartzman,Reinhard Schwienhorst,J. Sekaric,Horst Severini,E. Shabalina,M. Shamim,V. Shary,A. A. Shchukin,R. K. Shivpuri,V. Siccardi,Vladislav Simak,V. Sirotenko,Patrick Skubic,P. Slattery,D. Smirnov,G. R. Snow,J. Snow,Solomon H. Snyder,S. Söldner-Rembold,L. Sonnenschein,Andre Sopczak,M. Sosebee,K. Soustruznik,B. Spurlock,Jan Stark,J. Steele,Viatcheslav Stolin,D.A. Stoyanova,Jonas Strandberg,S. Strandberg,M.A. Strang,E. Strauss,Michael Strauss,R. Ströhmer,D. M. Strom,L. Stutte,S. Sumowidagdo,P. Svoisky,A Sznajder,P. Tamburello,A. Tanasijczuk,W Taylor,B. Tiller,F. Tissandier,M. Titov,V. V. Tokmenin,I. Torchiani,D. Tsybychev,B. Tuchming,Christopher Tully,P. M. Tuts,R. Unalan,Lev Uvarov,S. Uvarov,S. Uzunyan,B. Vachon,P. J. van den Berg,R. van Kooten,W. M. van Leeuwen,N. Varelas,Erich Varnes,I A Vasilyev,Patrice Verdier,L. S. Vertogradov,M. Verzocchi,D. Vilanova,F. Villeneuve-Seguier,P. Vint,Petr Vokac,Mikko Voutilainen,R. G. Wagner,H. D. Wahl,M. H. L. S. Wang,J. Warchol,Gordon Watts,M. Wayne,G. Weber,M. Weber,L Welty-Rieger,A. Wenger,Norbert Wermes,M. Wetstein,A.E. White,D. Wicke,Mi Williams,G. W. Wilson,S.J. Wimpenny,Markus Wobisch,D.R. Wood,T. R. Wyatt,Y. Xie,Sahal Yacoob,R. Yamada,W. C. Yang,T. Yasuda,Y. A. Yatsunenko,Hua-Lei Yin,K. Yip,H. D. Yoo,S. W. Youn,Jaehoon Yu,C. Zeitnitz,S. Zelitch,T. Zhao,B. Zhou,J. Zhu,M. Zielinski,Daria Zieminska,A Zieminski,L. Zivković,V. Zutshi,E. G. Zverev

Measurement of Differential Z/γ* + jet + X Cross Sections in pp Collisions at √s = 1.96 TeV

2008

Abstract We present new measurements of differential cross sections for Z / γ ∗ ( → μ μ ) + jet + X production in a 1 fb −1 data sample collected with the DO detector in p p ¯ collisions at s = 1.96 TeV . Results include the first measurements differential in the Z / γ ∗ transverse momentum and rapidity, as well as new measurements differential in the leading jet transverse momentum and rapidity. Next-to-leading order perturbative QCDpredictions are compared to the measurements, and reasonable agreement is observed, except in the region of low Z / γ ∗ transverse momentum. Predictions from two event generatorsbased on matrix elements and parton showers, and one pure parton shower event generatorare also compared to the measurements. These show significant overall normalization differences to the data and have varied success in describing the shapeof the distributions.

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