横向极化质子和氘核上的独占 $\rho^0$ 介子光生过程
高能物理 - 实验
2015-06-05 v2
摘要
COMPASS 实验通过用 160 GeV/c 的缪子束流散射横向极化的质子和氘核靶，测量了硬独占 介子产生过程中的横向靶自旋方位角不对称度 。所测得的不对称度对核子螺旋度翻转的广义部分子分布 (GPDs) 敏感，而 与核子内夸克的轨道角动量相关。本文在宽运动学范围内给出了 对 、 和 的依赖关系。首次获得了氘核的结果。在整個运动学范围内，质子和氘核的测量不对称度均很小，这与理论解释一致，即来自 和 的贡献近似相互抵消。
引用
@article{arxiv.1207.4301,
title = {Exclusive rho^0 muoproduction on transversely polarised protons and deuterons},
author = {C. Adolph and M. G. Alekseev and V. Yu. Alexakhin and Yu. Alexandrov and G. D. Alexeev and A. Amoroso and A. A. Antonov and A. Austregesilo and B. Badełek and F. Balestra and J. Barth and G. Baum and Y. Bedfer and J. Bernhard and R. Bertini and M. Bettinelli and K. Bicker and J. Bieling and R. Birsa and J. Bisplinghoff and P. Bordalo and F. Bradamante and C. Braun and A. Bravar and A. Bressan and M. Büchele and E. Burtin and L. Capozza and M. Chiosso and S. U. Chung and A. Cicuttin and M. L. Crespo and S. Dalla Torre and S. Das and S. S. Dasgupta and S. Dasgupta and O. Yu. Denisov and L. Dhara and S. V. Donskov and N. Doshita and V. Duic and W. Dünnweber and M. Dziewiecki and A. Efremov and C. Elia and P. D. Eversheim and W. Eyrich and M. Faessler and A. Ferrero and A. Filin and M. Finger and M. Finger and H. Fischer and C. Franco and N. du Fresne von Hohenesche and J. M. Friedrich and V. Frolov and R. Garfagnini and F. Gautheron and O. P. Gavrichtchouk and S. Gerassimov and R. Geyer and M. Giorgi and I. Gnesi and B. Gobbo and S. Goertz and S. Grabmüller and A. Grasso and B. Grube and R. Gushterski and A. Guskov and T. Guthörl and F. Haas and D. von Harrach and F. H. Heinsius and F. Herrmann and C. Heß and F. Hinterberger and N. Horikawa and Ch. Höppner and N. d'Hose and S. Ishimoto and O. Ivanov and Yu. Ivanshin and T. Iwata and R. Jahn and V. Jary and P. Jasinski and G. Jegou and R. Joosten and E. Kabuß and D. Kang and B. Ketzer and G. V. Khaustov and Yu. A. Khokhlov and Yu. Kisselev and F. Klein and K. Klimaszewski and S. Koblitz and J. H. Koivuniemi and V. N. Kolosov and K. Kondo and K. Königsmann and I. Konorov and V. F. Konstantinov and A. Korzenev and A. M. Kotzinian and O. Kouznetsov and M. Krämer and Z. V. Kroumchtein and F. Kunne and K. Kurek and L. Lauser and A. A. Lednev and A. Lehmann and S. Levorato and J. Lichtenstadt and T. Liska and A. Maggiora and A. Magnon and N. Makke and G. K. Mallot and A. Mann and C. Marchand and A. Martin and J. Marzec and T. Matsuda and G. Meshcheryakov and W. Meyer and T. Michigami and Yu. V. Mikhailov and M. A. Moinester and A. Morreale and A. Mutter and A. Nagaytsev and T. Nagel and T. Negrini and F. Nerling and S. Neubert and D. Neyret and V. I. Nikolaenko and W. -D. Nowak and A. S. Nunes and A. G. Olshevsky and M. Ostrick and A. Padee and R. Panknin and D. Panzieri and B. Parsamyan and S. Paul and E. Perevalova and G. Pesaro and D. V. Peshekhonov and G. Piragino and S. Platchkov and J. Pochodzalla and J. Polak and V. A. Polyakov and J. Pretz and M. Quaresma and C. Quintans and J. -F. Rajotte and S. Ramos and V. Rapatsky and G. Reicherz and A. Richter and E. Rocco and E. Rondio and N. S. Rossiyskaya and D. I. Ryabchikov and V. D. Samoylenko and A. Sandacz and M. G. Sapozhnikov and S. Sarkar and I. A. Savin and G. Sbrizzai and P. Schiavon and C. Schill and T. Schlüter and K. Schmidt and L. Schmitt and K. Schönning and S. Schopferer and M. Schott and W. Schröder and O. Yu. Shevchenko and L. Silva and L. Sinha and A. N. Sissakian and M. Slunecka and G. I. Smirnov and S. Sosio and F. Sozzi and A. Srnka and L. Steiger and M. Stolarski and M. Sulc and R. Sulej and H. Suzuki and P. Sznajder and S. Takekawa and J. Ter Wolbeek and S. Tessaro and F. Tessarotto and L. G. Tkatchev and S. Uhl and I. Uman and M. Vandenbroucke and M. Virius and N. V. Vlassov and L. Wang and M. Wilfert and R. Windmolders and W. Wiślicki and H. Wollny and K. Zaremba and M. Zavertyaev and E. Zemlyanichkina and M. Ziembicki and N. Zhuravlev and A. Zvyagin},
journal= {arXiv preprint arXiv:1207.4301},
year = {2015}
}
备注
20 pages, 9 figures and 4 tables, updated author list