CLAS 上质子处的双 $K_S^0$ 光生
核实验
2018-03-07 v1
摘要
(1500) 介子共振态是几个被认为与最轻胶球有显著混合的候选者之一。该共振态已由先前的若干实验充分确立。在此，我们给出首个利用 CLAS 探测器通过衰变到 道获取 (1500) 的光生数据。反应 -> -> （其中 J = 0, 2）在 2.7 至 5.1 GeV 的光子能量下被测量。在两个 kaon 的扣除本底不变质量谱中，在 1500 MeV 处可见一个清晰的峰。若限制测量到的向质子靶的 4-动量转移小于 1.0 GeV2，该峰会增强。通过将数据与模拟比较，可以得出结论：1500 MeV 处的峰主要产生于低 t，这与 t 道产生机制一致。
引用
@article{arxiv.1712.02184,
title = {Double $K_S^0$ Photoproduction off the Proton at CLAS},
author = {S. Chandavar and J. T. Goetz and K. Hicks and D. Keller and M. C. Kunkel and M. Paolone and D. P. Weygand and K. P. Adhikari and S. Adhikari and Z. Akbar and J. Ball and I. Balossino and L. Barion and M. Bashkanov and M. Battaglieri and I. Bedlinskiy and A. S. Biselli and W. J. Briscoe and W. K. Brooks and V. D. Burkert and F. Cao and D. S. Carman and A. Celentano and G. Charles and T. Chetry and G. Ciullo and L. Clark and P. L. Cole and M. Contalbrigo and V. Crede and A. D'Angelo and N. Dashyan and R. De Vita and E. De Sanctis and M. Defurne and A. Deur and C. Djalali and R. Dupre and H. Egiyan and A. El Alaoui and L. El Fassi and P. Eugenio and G. Fedotov and A. Filippi and A. Fradi and G. Gavalian and Y. Ghandilyan and G. P. Gilfoyle and F. X. Girod and D. I. Glazier and W. Gohn and E. Golovatch and R. W. Gothe and K. A. Griffioen and M. Guidal and L. Guo and K. Hafidi and H. Hakobyan and C. Hanretty and N. Harrison and M. Hattawy and D. Heddle and M. Holtrop and Y. Ilieva and D. G. Ireland and E. L. Isupov and D. Jenkins and S. Johnston and K. Joo and S. Joosten and M. L. Kabir and G. Khachatryan and M. Khachatryan and M. Khandaker and W. Kim and A. Klein and F. J. Klein and V. Kubarovsky and L. Lanza and P. Lenisa and K. Livingston and I. J. D. MacGregor and N. Markov and M. E. McCracken and B. McKinnon and C. A. Meyer and T. Mineeva and V. Mokeev and A Movsisyan and C. Munoz Camacho and P. Nadel-Turonski and S. Niccolai and G. Niculescu and M. Osipenko and A. I. Ostrovidov and R. Paremuzyan and K. Park and E. Pasyuk and W. Phelps and O. Pogorelko and J. W. Price and Y. Prok and D. Protopopescu and B. A. Raue and M. Ripani and D. Riser and B. G. Ritchie and A. Rizzo and G. Rosner and F. Sabatie and C. Salgado and R. A. Schumacher and Y. G. Sharabian and A. Simonyan and Iu. Skorodumina and D. Sokhan and G. D. Smith and N. Sparveris and S. Stepanyan and I. I. Strakovsky and S. Strauch and M. Ungaro and E. Voutier and X. Wei and N. Zachariou and J. Zhang and Z. W. Zhao},
journal= {arXiv preprint arXiv:1712.02184},
year = {2018}
}
备注
12 pages, 12 figures