HERA上利用电子衰变道测量深度非弹性散射中beauty夸克产生
高能物理 - 实验
2015-03-17 v3
摘要
利用HERA上的ZEUS探测器，在交换四动量平方Q^2 > 10 GeV^2的条件下，基于363 pb^{-1}的积分亮度，研究了ep相互作用中beauty夸克的产生。通过半轻子b衰变产生的电子来识别beauty事件，其横动量满足0.9 < p_T^e < 8 GeV，赝快度满足|eta^e| < 1.5。测量了beauty产生的截面，并与次领头阶QCD计算进行了比较。从作为Bjorken-x和Q^2函数的双微分截面中，提取了beauty对质子结构函数F_2的贡献。
引用
@article{arxiv.1101.3692,
title = {Measurement of beauty production in deep inelastic scattering at HERA using decays into electrons},
author = {ZEUS collaboration and H. Abramowicz and I. Abt and L. Adamczyk and M. Adamus and R. Aggarwal and S. Antonelli and P. Antonioli and A. Antonov and M. Arneodo and V. Aushev and Y. Aushev and O. Bachynska and A. Bamberger and A. N. Barakbaev and G. Barbagli and G. Bari and F. Barreiro and N. Bartosik and D. Bartsch and M. Basile and O. Behnke and J. Behr and U. Behrens and L. Bellagamba and A. Bertolin and S. Bhadra and M. Bindi and C. Blohm and V. Bokhonov and T. Bołd and O. Bolilyi and E. G. Boos and K. Borras and D. Boscherini and D. Bot and S. K. Boutle and I. Brock and E. Brownson and R. Brugnera and N. Brümmer and A. Bruni and G. Bruni and B. Brzozowska and P. J. Bussey and J. M. Butterworth and B. Bylsma and A. Caldwell and M. Capua and R. Carlin and C. D. Catterall and S. Chekanov and J. Chwastowski and J. Ciborowski and R. Ciesielski and L. Cifarelli and F. Cindolo and A. Contin and A. M. Cooper-Sarkar and N. Coppola and M. Corradi and F. Corriveau and M. Costa and G. D'Agostini and F. Dal Corso and J. del Peso and R. K. Dementiev and S. De Pasquale and M. Derrick and R. C. E. Devenish and D. Dobur and B. A. Dolgoshein and G. Dolinska and A. T. Doyle and V. Drugakov and L. S. Durkin and S. Dusini and Y. Eisenberg and P. F. Ermolov and A. Eskreys and S. Fang and S. Fazio and J. Ferrando and M. I. Ferrero and J. Figiel and M. Forrest and B. Foster and S. Fourletov and G. Gach and A. Galas and E. Gallo and A. Garfagnini and A. Geiser and I. Gialas and L. K. Gladilin and D. Gladkov and C. Glasman and O. Gogota and Yu. A. Golubkov and P. Göttlicher and I. Grabowska-Bołd and J. Grebenyuk and I. Gregor and G. Grigorescu and G. Grzelak and O. Gueta and C. Gwenlan and T. Haas and W. Hain and R. Hamatsu and J. C. Hart and H. Hartmann and G. Hartner and E. Hilger and D. Hochman and R. Hori and K. Horton and A. Hüttmann and G. Iacobucci and Z. A. Ibrahim and Y. Iga and R. Ingbir and M. Ishitsuka and H. -P. Jakob and F. Januschek and M. Jimenez and T. W. Jones and M. Jüngst and I. Kadenko and B. Kahle and B. Kamaluddin and S. Kananov and T. Kanno and U. Karshon and F. Karstens and I. I. Katkov and M. Kaur and P. Kaur and A. Keramidas and L. A. Khein and J. Y. Kim and D. Kisielewska and S. Kitamura and R. Klanner and U. Klein and E. Koffeman and P. Kooijman and Ie. Korol and I. A. Korzhavina and A. Kotański and U. Kötz and H. Kowalski and P. Kulinski and O. Kuprash and M. Kuze and A. Lee and B. B. Levchenko and A. Levy and V. Libov and S. Limentani and T. Y. Ling and M. Lisovyi and E. Lobodzinska and W. Lohmann and B. Löhr and E. Lohrmann and J. H. Loizides and K. R. Long and A. Longhin and D. Lontkovskyi and O. Yu. Lukina and P. Łużniak and J. Maeda and S. Magill and I. Makarenko and J. Malka and R. Mankel and A. Margotti and G. Marini and J. F. Martin and A. Mastroberardino and M. C. K. Mattingly and I. -A. Melzer-Pellmann and S. Mergelmeyer and S. Miglioranzi and F. Mohamad Idris and V. Monaco and A. Montanari and J. D. Morris and K. Mujkic and B. Musgrave and K. Nagano and T. Namsoo and R. Nania and D. Nicholass and A. Nigro and Y. Ning and U. Noor and D. Notz and R. J. Nowak and A. E. Nuncio-Quiroz and B. Y. Oh and N. Okazaki and K. Oliver and K. Olkiewicz and Yu. Onishchuk and K. Papageorgiu and A. Parenti and E. Paul and J. M. Pawlak and B. Pawlik and P. G. Pelfer and A. Pellegrino and W. Perlanski and H. Perrey and K. Piotrzkowski and P. Plucinski and N. S. Pokrovskiy and A. Polini and A. S. Proskuryakov and M. Przybycień and A. Raval and D. D. Reeder and B. Reisert and Z. Ren and J. Repond and Y. D. Ri and A. Robertson and P. Roloff and E. Ron and I. Rubinsky and M. Ruspa and R. Sacchi and A. Salii and U. Samson and G. Sartorelli and A. A. Savin and D. H. Saxon and M. Schioppa and S. Schlenstedt and P. Schleper and W. B. Schmidke and U. Schneekloth and V. Schönberg and T. Schörner-Sadenius and J. Schwartz and F. Sciulli and L. M. Shcheglova and R. Shehzadi and S. Shimizu and I. Singh and I. O. Skillicorn and W. Słomiński and W. H. Smith and V. Sola and A. Solano and D. Son and V. Sosnovtsev and A. Spiridonov and H. Stadie and L. Stanco and A. Stern and T. P. Stewart and A. Stifutkin and P. Stopa and S. Suchkov and G. Susinno and L. Suszycki and J. Sztuk-Dambietz and D. Szuba and J. Szuba and A. D. Tapper and E. Tassi and J. Terrón and T. Theedt and H. Tiecke and K. Tokushuku and O. Tomalak and J. Tomaszewska and T. Tsurugai and M. Turcato and T. Tymieniecka and C. Uribe-Estrada and M. Vázquez and A. Verbytskyi and O. Viazlo and N. N. Vlasov and O. Volynets and R. Walczak and W. A. T. Wan Abdullah and J. J. Whitmore and J. Whyte and L. Wiggers and M. Wing and M. Wlasenko and G. Wolf and H. Wolfe and K. Wrona and A. G. Yagües-Molina and S. Yamada and Y. Yamazaki and R. Yoshida and C. Youngman and A. F. Żarnecki and L. Zawiejski and O. Zenaiev and W. Zeuner and B. O. Zhautykov and N. Zhmak and C. Zhou and A. Zichichi and M. Zolko and D. S. Zotkin and Z. Zulkapli},
journal= {arXiv preprint arXiv:1101.3692},
year = {2015}
}
备注
34 pages, 8 figures, 4 tables. Version published in EPJ C