Measurements of top quark pair relative differential cross-sections with ATLAS in pp collisions at [SQRT]s = 7 TeV

(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Measurements are presented of differential cross-sections for top quark pair production in pp collisions at ... relative to the total inclusive top quark pair production cross-section. A data sample of 2.05 fb^sup -1^ record...

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Published in:The European physical journal. C, Particles and fields Particles and fields, 2013-01, Vol.73 (1), p.1
Main Authors: Alexa, C, Alon, R, Antonov, A, Bailey, D C, Bellomo, M, Benoit, M, Bentvelsen, S, Berger, N, Bolnet, N M, Bratzler, U, Brau, J E, Cantrill, R, Cavasinni, V, Citterio, M, De Nooij, L, Del Papa, C, Dodd, J, Duflot, L, Duran Yildiz, H, Ebke, J, Edson, W, Febbraro, R, Ferrere, D, Fuster, J, Garberson, F, Gillman, A R, Glazov, A, Gratchev, V, Gregor, I M, Hamal, P, Hansen, P H, Hoffman, J, Ince, T, Johansson, P, Kalinovskaya, L V, Kataoka, Y, Klioutchnikova, T, Knoops, E B, F, G, Kondo, T, Kotov, V M, Krumnack, N, La Rotonda, L, Lacour, D, Ladygin, E, Laporte, J F, Lopes, L, Lucotte, A, March, L, Masetti, L, Matsunaga, H, Mattravers, C, Mchedlidze, G, Mehdiyev, R, Menke, S, Milstein, D, Minaenko, A A, Ming, Y, Mount, R, Nemethy, P, Nilsson, P, Nunnemann, T, O'neale, S W, Olchevski, A G, Olszewski, A, Ospanov, R, Paganis, E, Paredes Hernandez, D, Peshekhonov, V D, Reece, R, Ren, Z L, Roth, I, Rudolph, C, Ryabov, Y F, Sandhoff, M, Shiyakova, M, Simion, S, Sinev, N B, Skubic, P, Soukharev, A, Stamen, R, Staszewski, R, Sun, X, Tasevsky, M, Teixeira Dias Castanheira, M, Terada, S, Thomas, J P, Trefzger, T, Tsipolitis, G, Valladolid Gallego, E, Vaniachine, A, Verkerke, W, Vinek, E, Vranjes, N, Walsh, B, Wingerter-seez, I, Wollstadt, S J, Wolter, M W, Xie, S, Yamamoto, A, Zimmermann, S
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Language:eng
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Summary:(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Measurements are presented of differential cross-sections for top quark pair production in pp collisions at ... relative to the total inclusive top quark pair production cross-section. A data sample of 2.05 fb^sup -1^ recorded by the ATLAS detector at the Large Hadron Collider is used. Relative differential cross-sections are derived as a function of the invariant mass, the transverse momentum and the rapidity of the top quark pair system. Events are selected in the lepton (electron or muon) + jets channel. The background-subtracted differential distributions are corrected for detector effects, normalized to the total inclusive top quark pair production cross-section and compared to theoretical predictions. The measurement uncertainties range typically between 10 % and 20 % and are generally dominated by systematic effects. No significant deviations from the Standard Model expectations are observed.
ISSN:1434-6044
1434-6052