/ Experiment-HEP arXiv:1001.1900


Dependence of the $t\bar{t}$ production cross section on the transverse momentum of the top quark


Abazov, V.M. (Dubna, JINR) ; Abbott, B. (Oklahoma U.) ; Abolins, M. (Michigan State U.) ; Acharya, Bannanje Sripath (Tata Inst.) ; Adams, M. (Illinois U., Chicago) ; Adams, T. (Florida State U.) ; Aguilo, E. (York U., Canada) ; Alexeev, G.D. (Dubna, JINR) ; Alkhazov, G. (St. Petersburg, INP) ; Alton, A. (Michigan State U.) ; Alverson, G. (Northeastern U.) ; Alves, G.A. (Rio de Janeiro, CBPF) ; Ancu, L.S. (NIKHEF, Amsterdam) ; Aoki, M. (Fermilab) ; Arnoud, Y. (LPSC, Grenoble) ; Arov, M. (Louisiana Tech. U.) ; Askew, A. (Florida State U.) ; Asman, B. (Uppsala U.) ; Atramentov, O. (Rutgers U., Piscataway) ; Avila, C. (Andes U., Bogota) ; BackusMayes, J. (Washington U., Seattle) ; Badaud, F. (Clermont-Ferrand U.) ; Bagby, L. (Fermilab) ; Baldin, B. (Fermilab) ; Bandurin, D.V. (Kansas State U.) ; Banerjee, S. (Tata Inst.) ; Barberis, E. (Northeastern U.) ; Barfuss, A.F. (Marseille, CPPM) ; Baringer, Philip S. (Kansas U.) ; Barreto, J. (Rio de Janeiro, CBPF) ; Bartlett, J.F. (Fermilab) ; Bassler, U. (DAPNIA, Saclay) ; Bauer, D. (Imperial Coll., London) ; Beale, S. (York U., Canada) ; Bean, A. (Kansas U.) ; Begalli, M. (Rio de Janeiro State U.) ; Begel, M. (Brookhaven) ; Belanger-Champagne, C. (Uppsala U.) ; Bellantoni, L. (Fermilab) ; Benitez, J.A. (Michigan State U.) ; Beri, S.B. (Panjab U.) ; Bernardi, G. (Paris U., VI-VII) ; Bernhard, R. (Freiburg U.) ; Bertram, I. (Lancaster U.) ; Besancon, M. (DAPNIA, Saclay) ; Beuselinck, R. (Imperial Coll., London) ; Bezzubov, V.A. (Serpukhov, IHEP) ; Bhat, P.C. (Fermilab) ; Bhatnagar, V. (Panjab U.) ; Blazey, G. (Northern Illinois U.) ; Blessing, S. (Florida State U.) ; Bloom, K. (Nebraska U.) ; Boehnlein, A. (Fermilab) ; Boline, D. (Boston U.) ; Bolton, T.A. (Kansas State U.) ; Boos, E.E. (Moscow State U.) ; Borissov, G. (Lancaster U.) ; Bose, T. (Boston U.) ; Brandt, A. (Texas U., Arlington) ; Brock, R. (Michigan State U.) ; Brooijmans, G. (Columbia U.) ; Bross, A. (Fermilab) ; Brown, D. (Louis Pasteur U., Strasbourg I) ; Bu, X.B. (Hefei, CUST) ; Buchholz, D. (Northwestern U.) ; Buehler, M. (Virginia U.) ; Buescher, Volker (Mainz U., Inst. Phys.) ; Bunichev, V. (Moscow State U.) ; Burdin, S. (Lancaster U.) ; Burnett, T.H. (Washington U., Seattle) ; Buszello, C.P. (Imperial Coll., London) ; Calfayan, P. (Munich U.) ; Calpas, B. (Marseille, CPPM) ; Calvet, S. (Orsay, LAL) ; Camacho-Perez, E. (CINVESTAV, IPN) ; Cammin, J. (Rochester U.) ; Carrasco-Lizarraga, M.A. (CINVESTAV, IPN) ; Carrera, E. (Florida State U.) ; Casey, B.C.K. (Fermilab) ; Castilla-Valdez, H. (CINVESTAV, IPN) ; Chakrabarti, S. (SUNY, Stony Brook) ; Chakraborty, D. (Northern Illinois U.) ; Chan, K.M. (Notre Dame U.) ; Chandra, A. (Indiana U.) ; Cheu, E. (Arizona U.) ; Chevalier-Thery, S. (DAPNIA, Saclay) ; Cho, D.K. (Boston U.) ; Cho, S.W. (Korea U., KODEL) ; Choi, S. (Sungkyunkwan U.) ; Choudhary, B. (Delhi U.) ; Christoudias, T. (Imperial Coll., London) ; Cihangir, S. (Fermilab) ; Claes, D. (Nebraska U.) ; Clutter, J. (Kansas U.) ; Cooke, M. (Fermilab) ; Cooper, W.E. (Fermilab) ; Corcoran, M. (Rice U.) ; Couderc, F. (DAPNIA, Saclay) ; Cousinou, M.C. (Marseille, CPPM) ; Cutts, D. (Brown U.) ; Cwiok, M. (University Coll., Dublin) ; Das, A. (Arizona U.) ; Davies, G. (Imperial Coll., London) ; De, K. (Texas U., Arlington) ; de Jong, S.J. (NIKHEF, Amsterdam) ; De La Cruz-Burelo, E. (CINVESTAV, IPN) ; DeVaughan, K. (Nebraska U.) ; Deliot, F. (DAPNIA, Saclay) ; Demarteau, M. (Fermilab) ; Demina, R. (Rochester U.) ; Denisov, D. (Fermilab) ; Denisov, S.P. (Serpukhov, IHEP) ; Desai, S. (Fermilab) ; Diehl, H.T. (Fermilab) ; Diesburg, M. (Fermilab) ; Dominguez, A. (Nebraska U.) ; Dorland, T. (Washington U., Seattle) ; Dubey, A. (Delhi U.) ; Dudko, L.V. (Moscow State U.) ; Duflot, L. (Orsay, LAL) ; Duggan, D. (Rutgers U., Piscataway) ; Duperrin, A. (Marseille, CPPM) ; Dutt, S. (Panjab U.) ; Dyshkant, A. (Northern Illinois U.) ; Eads, M. (Nebraska U.) ; Edmunds, D. (Michigan State U.) ; Ellison, J. (UC, Riverside) ; Elvira, V.D. (Fermilab) ; Enari, Y. (Paris U., VI-VII) ; Eno, S. (Maryland U.) ; Evans, H. (Indiana U.) ; Evdokimov, A. (Brookhaven) ; Evdokimov, V.N. (Serpukhov, IHEP) ; Facini, G. (Northeastern U.) ; Ferapontov, A.V. (Brown U.) ; Ferbel, T. (Rochester U.) ; Fiedler, F. (Mainz U., Inst. Phys.) ; Filthaut, F. (NIKHEF, Amsterdam) ; Fisher, W. (Michigan State U.) ; Fisk, H.E. (Fermilab) ; Fortner, M. (Northern Illinois U.) ; Fox, H. (Lancaster U.) ; Fuess, S. (Fermilab) ; Gadfort, T. (Brookhaven) ; Galea, C.F. (NIKHEF, Amsterdam) ; Garcia-Bellido, A. (Rochester U.) ; Gavrilov, V. (Moscow, ITEP) ; Gay, P. (Clermont-Ferrand U.) ; Geist, W. (Louis Pasteur U., Strasbourg I) ; Geng, W. (Michigan State U.) ; Gerbaudo, D. (Princeton U.) ; Gerber, C.E. (Illinois U., Chicago) ; Gershtein, Y. (Rutgers U., Piscataway) ; Gillberg, D. (York U., Canada) ; Ginther, G. (Rochester U.) ; Golovanov, G. (Dubna, JINR) ; Gomez, B. 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(FOM, Amsterdam) ; Heinson, Ann (UC, Riverside) ; Heintz, U. (Brown U.) ; Hensel, C. (Gottingen U., Zweites Phys. Inst.) ; La Cruz, I.Heredia-De (CINVESTAV, IPN) ; Herner, K. (Michigan U.) ; Hesketh, G. (Northeastern U.) ; Hildreth, M.D. (Notre Dame U.) ; Hirosky, R. (Virginia U.) ; Hoang, T. (Florida State U.) ; Hobbs, J.D. (SUNY, Stony Brook) ; Hoeneisen, B. (San Francisco de Quito U.) ; Hohlfeld, M. (Mainz U., Inst. Phys.) ; Hossain, S. (Oklahoma U.) ; Houben, P. (FOM, Amsterdam) ; Hu, Y. (SUNY, Stony Brook) ; Hubacek, Z. (Prague, Tech. U.) ; Huske, N. (Paris U., VI-VII) ; Hynek, V. (Prague, Tech. U.) ; Iashvili, I. (SUNY, Buffalo) ; Illingworth, R. (Fermilab) ; Ito, A.S. (Fermilab) ; Jabeen, S. (Boston U.) ; Jaffre, M. (Orsay, LAL) ; Jain, S. (SUNY, Buffalo) ; Jamin, D. (Marseille, CPPM) ; Jesik, R. (Imperial Coll., London) ; Johns, K. (Arizona U.) ; Johnson, C. (Columbia U.) ; Johnson, M. (Fermilab) ; Johnston, D. (Nebraska U.) ; Jonckheere, Alan M. (Fermilab) ; Jonsson, P. 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(Fermilab) ; Lietti, S.M. (Sao Paulo, IFT) ; Lim, J.K. (Korea U., KODEL) ; Lincoln, D. (Fermilab) ; Linnemann, J. (Michigan State U.) ; Lipaev, V.V. (Serpukhov, IHEP) ; Lipton, R. (Fermilab) ; Liu, Y. (Hefei, CUST) ; Liu, Z. (York U., Canada) ; Lobodenko, A. (St. Petersburg, INP) ; Lokajicek, M. (Prague, Inst. Phys.) ; Love, P. (Lancaster U.) ; Lubatti, H.J. (Washington U., Seattle) ; Luna-Garcia, R. (CINVESTAV, IPN) ; Lyon, A.L. (Fermilab) ; Maciel, A.K.A. (Rio de Janeiro, CBPF) ; Mackin, D. (Rice U.) ; Mattig, P. (Wuppertal U.) ; Magana-Villalba, R. (CINVESTAV, IPN) ; Mal, P.K. (Arizona U.) ; Malik, S. (Nebraska U.) ; Malyshev, V.L. (Dubna, JINR) ; Maravin, Y. (Kansas State U.) ; Martinez-Ortega, J. (CINVESTAV, IPN) ; McCarthy, R. (SUNY, Stony Brook) ; McGivern, C.L. (Kansas U.) ; Meijer, M.M. (NIKHEF, Amsterdam) ; Melnitchouk, A. (Mississippi U.) ; Mendoza, L. (Andes U., Bogota) ; Menezes, D. (Northern Illinois U.) ; Mercadante, P.G. (ABC Federal U.) ; Merkin, M. 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(SUNY, Stony Brook) ; Ripp-Baudot, I. (Louis Pasteur U., Strasbourg I) ; Rizatdinova, F. (Oklahoma State U.) ; Robinson, S. (Imperial Coll., London) ; Rominsky, M. (Oklahoma U.) ; Royon, C. (DAPNIA, Saclay) ; Rubinov, P. (Fermilab) ; Ruchti, R. (Notre Dame U.) ; Safronov, G. (Moscow, ITEP) ; Sajot, G. (LPSC, Grenoble) ; Sanchez-Hernandez, A. (CINVESTAV, IPN) ; Sanders, M.P. (Munich U.) ; Sanghi, B. (Fermilab) ; Savage, G. (Fermilab) ; Sawyer, L. (Louisiana Tech. U.) ; Scanlon, T. (Imperial Coll., London) ; Schaile, D. (Munich U.) ; Schamberger, R.D. (SUNY, Stony Brook) ; Scheglov, Y. (St. Petersburg, INP) ; Schellman, H. (Northwestern U.) ; Schliephake, T. (Wuppertal U.) ; Schlobohm, S. (Washington U., Seattle) ; Schwanenberger, C. (Manchester U.) ; Schwienhorst, R. (Michigan State U.) ; Sekaric, J. (Kansas U.) ; Severini, H. (Oklahoma U.) ; Shabalina, E. (Gottingen U., Zweites Phys. Inst.) ; Shary, V. (DAPNIA, Saclay) ; Shchukin, A.A. (Serpukhov, IHEP) ; Shivpuri, R.K. (Delhi U.) ; Simak, V. (Prague, Tech. U.) ; Sirotenko, V. (Fermilab) ; Skubic, P. (Oklahoma U.) ; Slattery, P. (Rochester U.) ; Smirnov, D. (Notre Dame U.) ; Snow, G.R. (Nebraska U.) ; Snow, J. (Langston U.) ; Snyder, S. (Brookhaven) ; Soldner-Rembold, S. (Manchester U.) ; Sonnenschein, L. (Aachen, Tech. Hochsch.) ; Sopczak, A. (Lancaster U.) ; Sosebee, M. (Texas U., Arlington) ; Soustruznik, K. (Charles U.) ; Spurlock, B. (Texas U., Arlington) ; Stark, J. (LPSC, Grenoble) ; Stolin, V. (Moscow, ITEP) ; Stoyanova, D.A. (Serpukhov, IHEP) ; Strandberg, J. (Michigan U.) ; Strang, M.A. (SUNY, Buffalo) ; Strauss, E. (SUNY, Stony Brook) ; Strauss, M. (Oklahoma U.) ; Strohmer, R. (Munich U.) ; Strom, D. (Illinois U., Chicago) ; Stutte, L. (Fermilab) ; Svoisky, P. (NIKHEF, Amsterdam) ; Takahashi, M. (Manchester U.) ; Tanasijczuk, A. (Buenos Aires U.) ; Taylor, W. (York U., Canada) ; Tiller, B. (Munich U.) ; Titov, Maxim P. (DAPNIA, Saclay) ; Tokmenin, V.V. (Dubna, JINR) ; Tsybychev, D. 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Phys.) ; Williams, M.R.J. (Lancaster U.) ; Wilson, G.W. (Kansas U.) ; Wimpenny, S.J. (UC, Riverside) ; Wobisch, M. (Louisiana Tech. U.) ; Wood, D.R. (Northeastern U.) ; Wyatt, T.R. (Manchester U.) ; Xie, Y. (Fermilab) ; Xu, C. (Michigan U.) ; Yacoob, S. (Northwestern U.) ; Yamada, R. (Fermilab) ; Yang, W.C. (Manchester U.) ; Yasuda, T. (Fermilab) ; Yatsunenko, Y.A. (Dubna, JINR) ; Ye, Z. (Fermilab) ; Yin, H. (Hefei, CUST) ; Yip, K. (Brookhaven) ; Yoo, H.D. (Brown U.) ; Youn, S.W. (Fermilab) ; Yu, J. (Texas U., Arlington) ; Zeitnitz, C. (Wuppertal U.) ; Zelitch, S. (Virginia U.) ; Zhao, T. (Washington U., Seattle) ; Zhou, B. (Michigan U.) ; Zhu, J. (SUNY, Stony Brook) ; Zielinski, M. (Rochester U.) ; Zieminska, D. (Indiana U.) ; Zivkovic, L. (Columbia U.) ; Zutshi, V. (Northern Illinois U.) ; Zverev, E.G. (Moscow State U.)

Published in: Phys.Lett.
Year: 2010
Vol.: B693
Page No: 515-521
Pages: 7

Abstract: We present a measurement of the differential cross section for $t\bar{t}$ events produced in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV as a function of the transverse momentum ($p_T$) of the top quark. The selected events contain a high-$p_T$ lepton ($\ell$), four or more jets, and a large imbalance in $p_T$, and correspond to 1 fb${}^{-1}$ of integrated luminosity recorded with the D0 detector. Each event must have at least one candidate for a $b$ jet. Objects in the event are associated through a constrained kinematic fit to the $t\bar{t}\to WbW\bar{b} \to \ell\nu b q\bar{q}'\bar{b}$ process. Results from next-to-leading-order perturbative QCD calculations agree with the measured differential cross section. Comparisons are also provided to predictions from Monte Carlo event generators using QCD calculations at different levels of precision.

Keyword(s): Top quark ; Differential cross sections ; Perturbative QCD

Web-Page: http://lss.fnal.gov/cgi-bin/find_paper.pl?pub-10-008; http://durpdg.dur.ac.uk/cgi-hepdata/hepreac/8521379; http://inspirebeta.net/record/842641/files/figure1.png; http://inspirebeta.net/record/842641/files/figure2.png; http://inspirebeta.net/record/842641/files/figure3.png; http://inspirebeta.net/record/842641/files/figure4.png; http://inspirebeta.net/record/842641/files/figure5.png; http://inspirebeta.net/record/842641/files/figure6.png

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