利用 CLAS 通过旁观者标记测量中子 F2 结构函数
核实验
2012-05-15 v3 高能物理 - 实验
摘要
我们报告了首次测量电子-氘核半非弹性散射中的中子 F2 结构函数，其中在后半球探测到了低动量质子。将旁观质子的动量限制在 MeV 且其相对于动量转移的角度限制在 度，允许将该过程解释为从近在壳中子上的散射。收集的 数据覆盖了核子共振区和深度非弹性区，Bjorken 跨越很宽的范围， GeV，其中核修正带来的不确定性估计小于百分之几。这些测量在 范围内首次确定了中子与质子结构函数之比 ，且由核效应引起的不确定性很小。
关键词
引用
@article{arxiv.1110.2770,
title = {Measurement of the neutron F2 structure function via spectator tagging with CLAS},
author = {N. Baillie and S. Tkachenko and J. Zhang and P. Bosted and S. Bultmann and M. E. Christy and H. Fenker and K. A. Griffioen and C. E. Keppel and S. E. Kuhn and W. Melnitchouk and V. Tvaskis and K. P. Adhikari and D. Adikaram and M. Aghasyan and M. J. Amaryan and M. Anghinolfini and J. Arrington and H. Avakian and H. Baghdasaryan and M. Battaglieri and A. S. Biselli and 5 D. Branford and W. J. Briscoe and W. K. Brooks and V. D. Burkert and D. S. Carman and A. Celentano and S. Chandavar and G. Charles and P. L. Cole and M. Contalbrigo and V. Crede and A. D'Angelo and A. Daniel and N. Dashyan and R. De Vita and E. De Sanctis and A. Deur and B. Dey and C. Djalali and G. Dodge and J. Domingo and D. Doughty and R. Dupre and D. Dutta and R. Ent and H. Egiyan and A. El Alaoui and L. El Fassi and L. Elouadrhiri and P. Eugenio and G. Fedotov and S. Fegan and A. Fradi and M. Y. Gabrielyan and N. Gevorgyan and G. P. Gilfoyle and K. L. Giovanetti and F. X. Girod and W. Gohn and E. Golovatch and R. W. Gothe and L. Graham and B. Guegan and M. Guidal and N. Guler and L. Guo and K. Hafidi and D. Heddle and K. Hicks and M. Holtrop and E. Hungerford and C. E. Hyde and Y. Ilieva and D. G. Ireland and M. Ispiryan and E. L. Isupov and S. S. Jawalkar and H. S. Jo and N. Kalantarians and M. Khandaker and P. Khetarpal and A. Kim and W. Kim and P. M. King and A. Klein and F. J. Klein and A. Klimenko and V. Kubarovsky and S. V. Kuleshov and N. D. Kvaltine and K. Livingston and H. Y. Lu and I . J . D. MacGregor and Y. Mao and N. Markov and B. McKinnon and T. Mineeva and B. Morrison and H. Moutarde and E. Munevar and P. Nadel-Turonski and A. Ni and S. Niccolai and I. Niculescu and G. Niculescu and M. Osipenko and A. I. Ostrovidov and L. Pappalardo and K. Park and S. Park and E. Pasyuk and S. Anefalos Pereira and S. Pisano and S. Pozdniakov and J. W. Price and S. Procureur and Y. Prok and D. Protopopescu and B. A. Raue and G. Ricco and D. Rimal and M. Ripani and G. Rosner and P. Rossi and F. Sabatie and M. S. Saini and C. Salgado and D. Schott and R. A. Schumacher and E. Seder and Y. G. Sharabian and D. I. Sober and D. Sokhan and S. Stepanyan and S. S. Stepanyan and P. Stoler and S. Strauch and M. Taiuti and W. Tang and M. Ungaro and M. F. Vineyard and E. Voutier and D. P. Watts and L. B. Weinstein and D. P. Weygand and M. H. Wood and L. Zana and B. Zhao},
journal= {arXiv preprint arXiv:1110.2770},
year = {2012}
}
备注
6 pages, 3 pages