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| 題名: | Observation of a diffractive contribution to dijet production in proton-proton collisions at √s=7 TeV |
| 作者: | 張元翰;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. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Approximation;Collisions;Cosmology;Cross sections;Diffraction;Luminosity;Mathematical models;Solenoids |
| 日期: | 2013-01-08 |
| 上傳時間: | 2026-04-23 12:32:51 (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 |
| 顯示於類別: | [物理學系] 期刊論文
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