Abstract
We present measurements of direct photon pair production cross sections using 8.5 fb-1 of data collected with the D0 detector at the Fermilab Tevatron pp collider. The results are presented as differential distributions of the photon pair invariant mass dσ/dMγγ, pair transverse momentum dσ/dpTγγ, azimuthal angle between the photons dσ/dδφγγ, and polar scattering angle in the Collins-Soper frame dσ/d|cosθ*|. Measurements are performed for isolated photons with transverse momenta pTγ>18(17) GeV for the leading (next-to-leading) photon in pT, pseudorapidities |ηγ|<0.9, and a separation in η-φ space δRγγ>0.4. We present comparisons with the predictions from Monte Carlo event generators diphox and resbos implementing QCD calculations at next-to-leading order, 2γnnlo at next-to-next-to-leading order, and sherpa using matrix elements with higher-order real emissions matched to parton shower.
Original language | English (US) |
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Pages (from-to) | 6-14 |
Number of pages | 9 |
Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
Volume | 725 |
Issue number | 1-3 |
DOIs | |
State | Published - 2013 |
ASJC Scopus subject areas
- Nuclear and High Energy Physics
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Measurement of the differential cross sections for isolated direct photon pair production in $p \bar p$ collisions at $\sqrt{s} = 1.96$ TeV
Abazov, V. M. (Contributor), Abbott, B. (Contributor), Acharya, B. S. (Contributor), Adams, M. (Contributor), Adams, T. (Contributor), Alexeev, G. D. (Contributor), Alkhazov, G. (Contributor), Alton, A. (Contributor), Anikeev, V. B. (Contributor), Askew, A. (Contributor), Atkins, S. (Contributor), Augsten, K. (Contributor), Avila, C. (Contributor), Badaud, F. (Contributor), Bagby, L. (Contributor), Baldin, B. (Contributor), Bandurin, D. V. (Contributor), Banerjee, S. (Contributor), Barberis, E. (Contributor), Baringer, P. (Contributor), Bartlett, J. F. (Contributor), Bassler, U. (Contributor), Bazterra, V. (Contributor), Bean, A. (Contributor), Begalli, M. (Contributor), Bellantoni, L. (Contributor), Beri, S. B. (Contributor), Bernardi, G. (Contributor), Bernhard, R. (Contributor), Bertram, I. (Contributor), Besançon, M. (Contributor), Beuselinck, R. (Contributor), Bhat, P. C. (Contributor), Bhatia, S. (Contributor), Bhatnagar, V. (Contributor), Blazey, G. (Contributor), Blessing, S. (Contributor), Bloom, K. (Contributor), Boehnlein, A. (Contributor), Boline, D. (Contributor), Boos, E. E. (Contributor), Borissov, G. (Contributor), Brandt, A. (Contributor), Brandt, O. (Contributor), Brock, R. (Contributor), Bross, A. (Contributor), Brown, D. (Contributor), Bu, X. B. (Contributor), Buehler, M. (Contributor), Buescher, V. (Contributor), Bunichev, V. (Contributor), Burdin, S. (Contributor), Buszello, C. P. (Contributor), Camacho-Pérez, E. (Contributor), Casey, B. C. K. (Contributor), Castilla-Valdez, H. (Contributor), Caughron, S. (Contributor), Chakrabarti, S. (Contributor), Chakraborty, D. (Contributor), Chan, K. M. (Contributor), Chandra, A. (Contributor), Chapon, E. (Contributor), Chen, G. (Contributor), Cho, S. W. (Contributor), Choi, S. (Contributor), Choudhary, B. (Contributor), Cihangir, S. (Contributor), Claes, D. (Contributor), Clutter, J. (Contributor), Cooke, M. (Contributor), Cooper, W. E. (Contributor), Corcoran, M. (Contributor), Couderc, F. (Contributor), Cousinou, M. (Contributor), Cutts, D. (Contributor), Das, A. (Contributor), Davies, G. (Contributor), de Jong, J. S. J. (Contributor), De La Cruz-Burelo, L. C. E. (Contributor), Déliot, F. (Contributor), Demina, R. (Contributor), Denisov, D. (Contributor), Denisov, S. P. (Contributor), Desai, S. (Contributor), Deterre, C. (Contributor), DeVaughan, K. (Contributor), Diehl, H. T. (Contributor), Diesburg, M. (Contributor), Ding, P. F. (Contributor), Dominguez, A. (Contributor), Dubey, A. (Contributor), Dudko, L. V. (Contributor), Duperrin, A. (Contributor), Dutt, S. (Contributor), Dyshkant, A. (Contributor), Eads, M. (Contributor), Edmunds, D. (Contributor), Ellison, J. (Contributor), Elvira, V. D. (Contributor), Enari, Y. (Contributor), Evans, H. (Contributor), Evdokimov, V. N. (Contributor), Feng, L. (Contributor), Ferbel, T. (Contributor), Fiedler, F. (Contributor), Filthaut, F. (Contributor), Fisher, W. (Contributor), Fisk, H. E. (Contributor), Fortner, M. 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(Contributor), Heredia-De La Cruz, L. C. I. (Contributor), Herner, K. (Contributor), Hesketh, G. (Contributor), Hildreth, M. D. (Contributor), Hirosky, R. (Contributor), Hoang, T. (Contributor), Hobbs, J. D. (Contributor), Hoeneisen, B. (Contributor), Hogan, J. (Contributor), Hohlfeld, M. (Contributor), Howley, I. (Contributor), Hubacek, Z. (Contributor), Hynek, V. (Contributor), Iashvili, I. (Contributor), Ilchenko, Y. (Contributor), Illingworth, R. (Contributor), Ito, A. S. (Contributor), Jabeen, S. (Contributor), Jaffré, M. (Contributor), Jayasinghe, A. (Contributor), Jeong, M. S. (Contributor), Jesik, R. (Contributor), Jiang, P. (Contributor), Johns, K. A. (Contributor), Johnson, E. (Contributor), Johnson, M. (Contributor), Jonckheere, A. (Contributor), Jonsson, P. (Contributor), Joshi, J. (Contributor), Jung, A. W. (Contributor), Juste, A. (Contributor), Kajfasz, E. (Contributor), Karmanov, D. (Contributor), Katsanos, I. (Contributor), Kehoe, R. (Contributor), Kermiche, S. (Contributor), Khalatyan, N. (Contributor), Khanov, A. (Contributor), Kharchilava, A. (Contributor), Kharzheev, Y. N. (Contributor), Kiselevich, I. (Contributor), Kohli, J. M. (Contributor), Kozelov, A. V. (Contributor), Kraus, J. (Contributor), Kumar, A. (Contributor), Kupco, A. (Contributor), Kurča, T. (Contributor), Kuzmin, V. A. (Contributor), Lammers, S. (Contributor), Lebrun, P. (Contributor), Lee, H. S. (Contributor), Lee, S. W. (Contributor), Lee, W. M. (Contributor), Lei, X. (Contributor), Lellouch, J. (Contributor), Li, D. (Contributor), Li, H. (Contributor), Li, L. (Contributor), Li, Q. Z. (Contributor), Lim, J. K. (Contributor), Lincoln, D. (Contributor), Linnemann, J. (Contributor), Lipaev, V. V. (Contributor), Lipton, R. (Contributor), Liu, H. (Contributor), Liu, Y. (Contributor), Lobodenko, A. (Contributor), Lokajicek, M. (Contributor), Lopes de Sa, D. S. R. (Contributor), Luna-Garcia, R. (Contributor), Lyon, A. L. (Contributor), Maciel, A. K. A. 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(Contributor), Uvarov, L. (Contributor), Uvarov, S. (Contributor), Uzunyan, S. (Contributor), Van Kooten, K. R. (Contributor), van Leeuwen, L. W. M. (Contributor), Varelas, N. (Contributor), Varnes, E. W. (Contributor), Vasilyev, I. A. (Contributor), Verkheev, A. Y. (Contributor), Vertogradov, L. S. (Contributor), Verzocchi, M. (Contributor), Vesterinen, M. (Contributor), Vilanova, D. (Contributor), Vokac, P. (Contributor), Wahl, H. D. (Contributor), Wang, M. H. L. S. (Contributor), Warchol, J. (Contributor), Watts, G. (Contributor), Wayne, M. (Contributor), Weichert, J. (Contributor), Welty-Rieger, L. (Contributor), White, A. (Contributor), Wicke, D. (Contributor), Williams, M. R. J. (Contributor), Wilson, G. W. (Contributor), Wobisch, M. (Contributor), Wood, D. R. (Contributor), Wyatt, T. R. (Contributor), Xie, Y. (Contributor), Yamada, R. (Contributor), Yang, S. (Contributor), Yasuda, T. (Contributor), Yatsunenko, Y. A. (Contributor), Ye, W. (Contributor), Ye, Z. 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DOI: 10.17182/hepdata.60556.v1, https://www.hepdata.net/record/ins1215307?version=1
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