gamma cross section in p plus p collisions at root s=200 GeV

@inproceedings{Abelev2010gammaCS,
  title={gamma cross section in p plus p collisions at root s=200 GeV},
  author={Star Collaboration B.I. Abelev and Madan Mohan Aggarwal and Zubayer Ahammed and A. V. Alakhverdyants and B. D. Anderson and D. A. Arkhipkin and G. S. Averichev and Jan T. Balewski and Lee Stuart Barnby and S. Baumgart and D. R. Beavis and Rene Bellwied and Mar{\'i}a Julia Ferrer Betancourt and Russell Betts and Anju Bhasin and Ashok Kumar Bhati and Hans Bichsel and Jaroslav Bielcik and Jana Biel{\vc}{\'i}kov{\'a} and Bertrand Biritz and Layla Bland and B. E. Bonner and Jonathan Bouchet and Ermes Braidot and A. V. Brandin and A. Bridgeman and Emilio M. Bruna and Stefan B{\"u}ltmann and I. Zh. Bunzarov and Tanya Burton and Xinlun Cai and Helen Louise Caines and Mcdlb Sanchez and Oana Catu and D. Cebra and Ramon Cendejas and Matthew Clare Cervantes and Zbigniew Chajȩcki and P. Chaloupka and Sukalyan Chattopadhyay and Hong Fang Chen and Jeffrey H. Chen and Jun Yu Chen and Jianping Cheng and Michael G. Cherney and Alexei Chikanian and K. E. Choi and William Christie and Paul Chung and R. F. Clarke and M. J. M. Codrington and Ross Cameron Corliss and Jeffrey Cramer and H. J. Crawford and Debasish Das and Smruti Rekha Dash and A. Davila Leyva and L. C. De Silva and Ramiro Debbe and T. G. Dedovich and M Dephillips and A. A. Derevschikov and R. Derradi de Souza and L. Didenko and P. Djawotho and S. M. Dogra and Xin Dong and James Drachenberg and James E. Draper and Janet C. Dunlop and M. R. Dutta Mazumdar and L. G. Efimov and E. Elhalhuli and Muhammad Elnimr and J. Engelage and Geary W. Eppley and B. Erazmus and M. Estienne and Lee Eun and Olga Evdokimov and Patr{\'i}cia Fachini and R. Fatemi and J{\'a}n Fedori{\vs}in and R. G. Fersch and Peter Filip and E. E. Finch and Valeri Fine and Yuri V. Fisyak and Carl A. Gagliardi and Dhevan Raja Gangadharan and Murthy S. Ganti and Edmundo Javier Garcia-solis and A. Geromitsos and F. J. M. Geurts and V. Ghazikhanian and Paramita Ghosh and Yu. N. Gorbunov and Amit Gordon and O. G. Grebenyuk and David Grosnick and Boris Grube and S. M. Guertin and Anoop Gupta and Neha Gupta and Włodek Guryn and B. Haag and Timothy J. Hallman and Ahmed M. Hamed and L-X. Han and J. W. Harris and J. P. Hays-Wehle and M. Heinz and Steve F. Heppelmann and A. S. Hirsch and E. L. Hjort and Andrew M. Hoffman and G. W. Hoffmann and D. J. Hofman and R. S. Hollis and H. Z. Huang and Thomas Humanic and Lei Huo and G. J. Igo and Aneta Iordanova and Peter H. M. Jacobs and Wayne Jacobs and Petr J{\'a}kl and Chitrasen Jena and F. Jin and C. L. Jones and P. G. Jones and Jennifer Joseph and Eleanor Judd and Sonia Kabana and K. Kajimoto and Kyunghun Kang and Jan Kapit{\'a}n and Kolja Kauder and D. Keane and A. O. Kechechyan and D. I. Kettler and Daniel Kikola and Joanna Kiryluk and Adam Kisiel and Anders Garritt Knospe and Adam Philip Kocoloski and D. D. Koetke and Thorsten Kollegger and Joshua Robert Konzer and Mikhail L. Kopytine and Ivan Koralt and Wolfgang Korsch and L. M. Kotchenda and V. Kouchpil and P. Kravtsov and K. Krueger and Miroslav Krus and Lokesh Kumar and Priscilla Kurnadi and M. A. C. Lamont and Jeffery Landgraf and S. Lapointe and Jorge Lauret and Alexei Lebedev and Richard Lednicky and C-H. Lee and Jongseok Lee and William Axel Leight and M. J. Levine and Chuanliang Li and Lei-Bo Li and N. Li and Wen-hui Li and Xiaoguang Li and Yiping Li and Z. M. Li and G. Lin and S. J. Lindenbaum and Michael Annan Lisa and F. H. Liu and Hui Liu and Jiang Hong Liu and Tomislav Ljubi{\vc}i{\'c} and William Llope and Ron S. Longacre and W. A. Love and Yuerui Lu and G. L. Ma and Y. G. Ma and Durga Prasad Mahapatra and Richard Daniel Majka and O. I. Mall and L. K. Mangotra and Rebekah Manweiler and Spyridon Margetis and Christina Markert and Hiroaki Masui and H. S. Matis and Yu. A. Matulenko and Donald M. McDonald and T. S. McShane and A. P. Meschanin and Ruth Milner and N. G. Minaev and S. Mioduszewski and Andre Mischke and Michael Mitrovski and Bedangadas Mohanty and Mitali Mondal and D. A. Morozov and Marcelo Gameiro Munhoz and Basanta Kumar Nandi and Christine Nattrass and Tapan K. Nayak and J. M. Nelson and Pawan Kumar Netrakanti and Mor Jack Ng and L. V. Nogach and Sandibek B. Nurushev and Grazyna Odyniec and Akio Ogawa and Hiroshi Okada and V. A. Okorokov and Dean L. Olson and M. Pachr and Breeanna S. Page and Srikumar Pal and Yadav Pandit and Yu. Panebratsev and Tomasz Pawlak and Thomas Peitzmann and V. Perevoztchikov and C. Perkins and Wiktor Stanislaw Peryt and S. C. Phatak and Philip H. Pile and Mirko Planini{\'c} and Mateusz Andrzej Ploskon and Jerzy Pluta and Donika Plyku and Nika Poljak and Arthur m. Poskanzer and B. V. K. S. Potukuchi and Christopher Beresford Powell and D. J. Prindle and C. A. Pruneau and N. K. Pruthi and Prabhat Ranjan Pujahari and Jorn Henning Putschke and Rashmi Raniwala and Sudhir Raniwala and R. L. Ray and Robert P. Redwine and Rosi Jan Reed and Joachim Rehberg and Hans Georg Ritter and J. B. Roberts and O. V. Rogachevskiy and Julio Romero and Anthony Rose and Christian Roy and Lijuan Ruan and Raghunath Sahoo and Shoko Sakai and Iwona Sakrejda and Tai Sakuma and Sevil Salur and Jack Sandweiss and Evan W. Sangaline and Joachim Schambach and Rolf Paul Scharenberg and Nick Schmitz and Tadeusz Schuster and Joseph Seele and Janet Elizabeth Seger and Ilya Selyuzhenkov and Peter Seyboth and E. I. Shahaliev and M. Shao and Manoj Sharma and Song Song Shi and E. P. Sichtermann and Ferenc Simon and Rama Narayana Singaraju and M. J. Skoby and Nikita Smirnov and Paul D. S{\o}rensen and J. Sowiński and Harold Spinka and Brijesh Kumar Srivastava and T. D. S. Stanislaus and Dariusz Staszak and Justin R. Stevens and Ren{\'e} Stock and M. Strikhanov and B. C. Stringfellow and A. A. P. Suaide and Miguel Su{\'a}rez and N. L. Subba and Michal Sumbera and Xiangming Sun and Y. J. Sun and Zhimei Sun and Bernd Surrow and T. J. M. Symons and A. Szanto de Toledo and Jun. A. Takahashi and A. H. Tang and Zebo Tang and Laurence Tarini and T. Tarnowsky and David Thein and Jamael Thomas and Jifa Tian and Anthony Robert Timmins and Sergey Timoshenko and David Tlust{\'y} and Mikhail Tokarev and T. A. Trainor and Vo Ngoc Quynh Tram and S. Trentalange and Robert E. Tribble and O. D. Tsai and J. Ulery and Thomas Ullrich and D. G. Underwood and Gene Edward van Buren and Marco van Leeuwen and G. van Nieuwenhuizen and J. A. Vanfossen and Raghava Varma and G. M. S. Vasconcelos and Andrey Vasiliev and Flemming Videbaek and Yogendra Viyogi and S. Vok'al and Sergei A. Voloshin and Michiharu Wada and M. Walker and Fuqiang Wang and Guiding Wang and Hulin Wang and Jing Si Wang and Qing Wang and X. L. Wang and Y. Wang and Gautam Webb and Jane C. Webb and G. D. Westfall and Charles A. Whitten and Howard Wieman and E. Wingfield and S. W. Wissink and Robert Witt and Yuanfang Wu and W. Xie and Naiwen Xu and Qing-nian Xu and Weiguo Xu and Yaowu Xu and Zz Xu and Li Xue and Ying Yang and Pablo Yepes and Kin Yip and I-K. Yoo and Q. Yue and Marcin Zawisza and Hanna Paulina Zbroszczyk and Weicheng Zhan and Songshan Zhang and Wei Min Zhang and Xiang Zhang and Yao Xuan Zhang and Zhong-chao Zhang and Jiawei Zhao and C. Zhong and J. Zhou and Weihang Zhou and X. L. Zhu and Y. H. Zhu and R. Zoulkarneev and Y. Zoulkarneeva},
  year={2010}
}
We report on a measurement of the Upsilon(1S+2S+3S) -> e+e- cross section at midrapidity in p+p collisions at sqrt(s)=200 GeV. We find the cross section to be 114 +/- 38 (stat.) +23,-24 (syst.) pb. Perturbative QCD calculations at next-to-leading order in the Color Evaporation Model are in agreement with our measurement, while calculations in the Color Singlet Model underestimate it by 2 sigma. Our result is consistent with the trend seen in world data as a function of the center-of-mass energy… CONTINUE READING

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