Observation of a diffractive contribution to dijet production in proton-proton collisions at √s=7 TeV

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题名:	Observation of a diffractive contribution to dijet production in proton-proton collisions at √s=7 TeV
作者:	余欣珊;Chatrchyan, S.;Blyweert, S.;Clerbaux, B.;Lellouch, J.;Schul, N.;Beliy, N.;Mundim, L.;Asawatangtrakuldee, C.;Zou, W.;Osorio Oliveros, A. F.;Tuominiemi, J.;Nayak, A.;Perieanu, A.;Papacz, P.;Reithler, H.;Haj Ahmad, W.;Dammann, D.;Eckstein, D.;Salfeld-Nebgen, J.;Kaussen, G.;Stadie, H.;Steinbrück, G.;Panagiotou, A.;Evangelou, I.;Kokkas, P.;Bhatnagar, V.;Kumar, Ashok;Mohammadi Najafabadi, M.;Venditti, R.;Castro, A.;Meneghelli, M.;Sguazzoni, G.;Buontempo, S.;Dogangun, O.;Giassi, A.;Monaco, V.;Vilela Pereira, A.;Cossutti, F.;Montanino, D.;Kim, J. Y.;Castilla-Valdez, H.;Butler, P. H.;Silverwood, H.;Kazana, M.;Nawrocki, K.;Bunin, P.;Murzin, V.;Semenov, S.;Kodolova, O.;Alcaraz Maestre, J.;Colino, N.;Piedra Gomez, J.;Matorras, F.;Ruiz-Jimeno, A.;Cerminara, G.;Casal, B.;De Visscher, S.;Otiougova, P.;Eskut, E.;Gülmez, E.;Heath, G. P.;Senkin, S.;Basso, L.;Hays, J.;Henderson, C.;Calderon De La Barca Sanchez, M.;Cline, D.;Kelley, R.;Lebourgeois, M.;Mangano, B.;Simon, S.;Kalavase, P.;Jang, D. W.;Sharma, S.;Fu, Y.;Bazterra, V. E.;Dragoiu, C.;Zhukova, V.;Chakaberia, I.;Makouski, M.;Boutemeur, M.;Lu, Y.;Stephans, G. S. F.;Sung, K.;Hildreth, M.;Puigh, D.;Halyo, V.;Stickland, D.;Benedetti, D.;Kress, M.;Roberts, J.;Bodek, A.;Vishnevskiy, D.;Halkiadakis, E.;Park, M.;Thomas, S.;Flanagan, W.;Tatarinov, A.;Snook, B.;Balazs, M.
贡献者:	理學院物理學系
关键词:	Approximation;Collisions;Cosmology;Cross sections;Diffraction;Luminosity;Mathematical models;Solenoids
日期:	2013-01-08
上传时间:	2026-04-23 12:32:34 (UTC+8)
出版者:	United States: American Physical Society
摘要:	摘要： The cross section for dijet production in proton-proton collisions at [radical]s = 7 TeV is presented as a function of [xi], a variable that approximates the fractional momentum loss of the scattered proton in single-diffractive events. The analysis is based on an integrated luminosity of 2.7 nb super(-1) collected with the CMS detector at the LHC at low instantaneous luminosities, and uses events with jet transverse momentum of at least 20 GeV. The dijet cross section results are compared to the predictions of diffractive and nondiffractive models. The low-[xi] data show a significant contribution from diffractive dijet production, observed for the first time at the LHC. The associated rapidity gap survival probability is estimated. 出版者： United States: American Physical Society 出版日期： 2013-01-08 出處： Physical review. D, Particles, fields, gravitation, and cosmology, 2013-01, Vol.87 (1), Article 012006 識別號： ISSN: 1550-7998 識別號： EISSN: 1550-2368 識別號： DOI: 10.1103/PhysRevD.87.012006
显示于类别:	[物理學系] 期刊論文

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