原子核准实光生过程中 $\Lambda$ 超子的横向极化
高能物理 - 实验
2014-10-22 v2 核实验
摘要
在从氢到氙的各种靶核的包容性准实光生过程中测量了 超子的横向极化。数据由 HERA 上的 HERMES 实验获得，使用了 27.6 GeV 的轻子束流和储存在轻子储存环内部的核气体靶。观察到的极化对于轻靶核为正，而对于氪和氙则与零相容。
引用
@article{arxiv.1406.3236,
title = {Transverse polarization of $\Lambda$ hyperons from quasireal photoproduction on nuclei},
author = {The HERMES Collaboration and A. Airapetian and N. Akopov and Z. Akopov and E. C. Aschenauer and W. Augustyniak and R. Avakian and A. Avetissian and E. Avetisyan and S. Belostotski and N. Bianchi and H. P. Blok and A. Borissov and J. Bowles and I. Brodski and V. Bryzgalov and J. Burns and M. Capiluppi and G. P. Capitani and E. Cisbani and G. Ciullo and M. Contalbrigo and P. F. Dalpiaz and W. Deconinck and R. De Leo and L. De Nardo and E. De Sanctis and M. Diefenthaler and P. Di Nezza and M. Düren and M. Ehrenfried and G. Elbakian and F. Ellinghaus and R. Fabbri and A. Fantoni and L. Felawka and S. Frullani and D. Gabbert and G. Gapienko and V. Gapienko and F. Garibaldi and G. Gavrilov and V. Gharibyan and F. Giordano and S. Gliske and M. Golembiovskaya and C. Hadjidakis and M. Hartig and D. Hasch and A. Hillenbrand and M. Hoek and Y. Holler and I. Hristova and Y. Imazu and A. Ivanilov and H. E. Jackson and H. S. Jo and S. Joosten and R. Kaiser and G. Karyan and T. Keri and E. Kinney and A. Kisselev and N. Kobayashi and V. Korotkov and V. Kozlov and P. Kravchenko and V. G. Krivokhijine and L. Lagamba and L. Lapikás and I. Lehmann and P. Lenisa and A. López Ruiz and W. Lorenzon and X. -G. Lu and B. -Q. Ma and D. Mahon and N. C. R. Makins and S. I. Manaenkov and Y. Mao and B. Marianski and A. Martinez de la Ossa and H. Marukyan and C. A. Miller and Y. Miyachi and A. Movsisyan and V. Muccifora and M. Murray and A. Mussgiller and E. Nappi and Y. Naryshkin and A. Nass and M. Negodaev and W. -D. Nowak and L. L. Pappalardo and R. Perez-Benito and P. E. Reimer and A. R. Reolon and C. Riedl and K. Rith and G. Rosner and A. Rostomyan and J. Rubin and D. Ryckbosch and Y. Salomatin and F. Sanftl and A. Schäfer and G. Schnell and K. P. Schüler and B. Seitz and T. -A. Shibata and V. Shutov and M. Stancari and M. Statera and E. Steffens and J. J. M. Steijger and J. Stewart and F. Stinzing and S. Taroian and A. Terkulov and R. Truty and A. Trzcinski and M. Tytgat and A. Vandenbroucke and Y. Van Haarlem and C. Van Hulse and D. Veretennikov and V. Vikhrov and I. Vilardi and S. Wang and S. Yaschenko and Z. Ye and W. Yu and V. Zagrebelnyy and D. Zeiler and B. Zihlmann and P. Zupranski},
journal= {arXiv preprint arXiv:1406.3236},
year = {2014}
}
备注
final version to be published in Phys. Rev. D (in press)