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Probing Balitsky-Fadin-Kuraev-Lipatov dynamics in the dijet cross section at large rapidity intervals in $p\overline{p}$ collisions at $\sqrt{s}$ = 1800 and 630 GeV

B. Abbott M. Abolins V. Abramov B.S. Acharya D.L. Adams M. Adams S. Ahn V. Akimov G.A. Alves N. Amos E.W. Anderson M.M. Baarmand V.V. Babintsev L. Babukhadia A. Baden B. Baldin S. Banerjee J. Bantly E. Barberis P. Baringer J.F. Bartlett U. Bassler 1 A. Belyaev S.B. Beri G. Bernardi 1 I. Bertram V.A. Bezzubov P.C. Bhat V. Bhatnagar M. Bhattacharjee G. Blazey S. Blessing A. Boehnlein N.I. Bozhko F. Borcherding A. Brandt R. Breedon G. Briskin R. Brock G. Brooijmans A. Bross D. Buchholz V. Buescher V.S. Burtovoi J.M. Butler W. Carvalho D. Casey Z. Casilum H. Castilla-Valdez D. Chakraborty K.M. Chan S.V. Chekulaev W. Chen D.K. Cho S. Choi S. Chopra B.C. Choudhary J.H. Christenson M. Chung D. Claes A.R. Clark W.G. Cobau J. Cochran L. Coney B. Connolly W.E. Cooper D. Coppage D. Cullen-Vidal M.A.C. Cummings D. Cutts O.I. Dahl K. Davis K. De K. del Signore M. Demarteau D. Denisov S.P. Denisov H.T. Diehl M. Diesburg G. Diloreto P. Draper Y. Ducros L.V. Dudko S.R. Dugad A. Dyshkant D. Edmunds J. Ellison V.D. Elvira R. Engelmann S. Eno G. Eppley P. Ermolov O.V. Eroshin J. Estrada H. Evans V.N. Evdokimov T. Fahland S. Feher D. Fein T. Ferbel H.E. Fisk Yu. Fisyak E. Flattum F. Fleuret M. Fortner K.C. Frame S. Fuess E. Gallas A.N. Galyaev P. Gartung V. Gavrilov R.J. Genik K. Genser C.E. Gerber Y. Gershtein B. Gibbard R. Gilmartin G. Ginther B. Gobbi B. Gomez G. Gomez P.I. Goncharov J.L. Gonzalez Solis H. Gordon L.T. Goss K. Gounder A. Goussiou N. Graf P.D. Grannis D.R. Green J.A. Green H. Greenlee S. Grinstein P. Grudberg S. Grunendahl G. Guglielmo Anupam Gupta S.N. Gurzhev G. Gutierrez P. Gutierrez N.J. Hadley H. Haggerty S. Hagopian V. Hagopian K.S. Hahn R.E. Hall P. Hanlet Scott Hansen J.M. Hauptman C. Hays Christian Hebert D. Hedin A.P. Heinson U. Heintz T. Heuring R. Hirosky J.D. Hobbs B. Hoeneisen J.S. Hoftun F. Hsieh A.S. Ito S.A. Jerger R. Jesik T. Joffe-Minor K. Johns M. Johnson A. Jonckheere M. Jones H. Jostlein S.Y. Jun S. Kahn E. Kajfasz 2 D. Karmanov D. Karmgard R. Kehoe S.K. Kim B. Klima C. Klopfenstein B. Knuteson W. Ko J.M. Kohli D. Koltick A.V. Kostritsky J. Kotcher A.V. Kotwal A.V. Kozelov E.A. Kozlovsky J. Krane M.R. Krishnaswamy S. Krzywdzinski M. Kubantsev S. Kuleshov Y. Kulik S. Kunori G. Landsberg A. Leflat F. Lehner J. Li Q.Z. Li J.G.R. Lima D. Lincoln S.L. Linn J. Linnemann R. Lipton J.G. Lu A. Lucotte L. Lueking C. Lundstedt A.K.A. Maciel R.J. Madaras V. Manankov S. Mani H.S. Mao R. Markeloff T. Marshall M.I. Martin R.D. Martin K.M. Mauritz B. May A.A. Mayorov R. Mccarthy J. Mcdonald T. Mckibben T. Mcmahon H.L. Melanson M. Merkin K.W. Merritt C. Miao H. Miettinen A. Mincer C.S. Mishra N. Mokhov N.K. Mondal H.E. Montgomery M. Mostafa H. da Motta E. Nagy 2 F. Nang M. Narain V.S. Narasimham H.A. Neal J.P. Negret S. Negroni 2 D. Norman L. Oesch V. Oguri B. Olivier 1 N. Oshima D. Owen P. Padley A. Para N. Parashar R. Partridge N. Parua 3 M. Paterno A. Patwa B. Pawlik J. Perkins M. Peters R. Piegaia H. Piekarz Yu. Pishchalnikov B.G. Pope E. Popkov H.B. Prosper S. Protopopescu J. Qian P.Z. Quintas R. Raja S. Rajagopalan N.W. Reay S. Reucroft M. Rijssenbeek T. Rockwell M. Roco P. Rubinov R. Ruchti J. Rutherfoord A. Santoro L. Sawyer R.D. Schamberger H. Schellman A. Schwartzman J. Sculli N. Sen E. Shabalina H.C. Shankar R.K. Shivpuri D. Shpakov M. Shupe R.A. Sidwell H. Singh J.B. Singh V. Sirotenko P. Slattery E. Smith R.P. Smith R. Snihur G.R. Snow J. Snow S. Snyder J. Solomon X.F. Song V. Sorin M. Sosebee N. Sotnikova M. Souza N.R. Stanton G. Steinbruck R.W. Stephens M.L. Stevenson F. Stichelbaut D. Stoker V. Stolin D.A. Stoyanova M. Strauss K. Streets M. Strovink L. Stutte A. Sznajder J. Tarazi M. Tartaglia T.L.T. Thomas J. Thompson D. Toback T.G. Trippe A.S. Turcot P.M. Tuts P. van Gemmeren V. Vanev N. Varelas A.A. Volkov A.P. Vorobev H.D. Wahl J. Warchol G. Watts M. Wayne H. Weerts A. White J.T. White J.A. Wightman S. Willis S.J. Wimpenny J.V.D. Wirjawan J. Womersley D.R. Wood R. Yamada P. Yamin T. Yasuda K. Yip S. Youssef J. Yu Y. Yu M. Zanabria H. Zheng Z. Zhou Z.H. Zhu M. Zielinski D. Zieminska A. Zieminski V. Zutshi E.G. Zverev A. Zylberstejn
Abstract : Inclusive dijet production at large pseudorapidity intervals (delta_eta) between the two jets has been suggested as a regime for observing BFKL dynamics. We have measured the dijet cross section for large delta_eta in ppbar collisions at sqrt{s}=1800 and 630 GeV using the DO detector. The partonic cross section increases strongly with the size of delta_eta. The observed growth is even stronger than expected on the basis of BFKL resummation in the leading logarithmic approximation. The growth of the partonic cross section can be accommodated with an effective BFKL intercept of a_{BFKL}(20GeV)=1.65+/-0.07.
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B. Abbott, M. Abolins, V. Abramov, B.S. Acharya, D.L. Adams, et al.. Probing Balitsky-Fadin-Kuraev-Lipatov dynamics in the dijet cross section at large rapidity intervals in $p\overline{p}$ collisions at $\sqrt{s}$ = 1800 and 630 GeV. Physical Review Letters, American Physical Society, 2000, 84, pp.5722-5727. ⟨in2p3-00004992⟩

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