来自极化中子-质子散射的新共振证据
核实验
2015-06-18 v2
摘要
在窄共振结构 的能区进行了独占且运动学完备的高统计量准自由极化 散射测量，该共振结构具有 、 2380 MeV/ 和 70 MeV，近期在双介子融合道 和 中被观测到。该实验是在 COSY 上利用 WASA 探测器装置完成的，使用极化氘束流轰击氢丸靶，并利用准自由过程 。由此在大角度范围内测量了 分析本领 。所得的 角分布系统性地偏离了当前的 SAID SP07 NN 分波解。将新的 数据纳入 SAID 分析后，在 波中产生了一个极点，这与 共振假设的预期一致。
引用
@article{arxiv.1402.6844,
title = {Evidence for a New Resonance from Polarized Neutron-Proton Scattering},
author = {P. Adlarson and W. Augustyniak and W. Bardan and M. Bashkanov and F. S. Bergmann and M. Berlowski and H. Bhatt and M. Buescher and H. Calen. I. Ciepa and H. Clement and D. Coderre and E. Czerwinski and K. Demmich and E. Doroshkevich and R. Engels and A. Erven and W. Erven and W. Eyrich and P. Fedorets and K. Foehl and K. Fransson and F. Goldenbaum and P. Goslawski and A. Goswami and K. Grigoyev and C. -O. Gullstroem and F. Hauenstein and L. Heijkenskjoeld and V. Hejny and M. Hodana and B. Hoistad and N. Huesken and A. Jany and B. R. Jany and L. Jarczyk and T. Johansson and B. Kamys and G. Kemmerling and F. A. Khan and A. Khoukaz and D. A. Kirrilov and S. Kistryn and H. Kleines and B. Klos and M. Krapp and W. Krzemien and P. Kulessa and A. Kupsc and K. Lalwani and D. Lersch and B. Lorentz and A. Magiera and R. Maier and P. Marciniewski and B. Marianski and M. Mikirtychiants and H. -P. Morsch and P. Moskal and H. Ohm and I. Ozerianska and E. Perez del Rio and N. M. Piskunov and P. Podkopal and D. Prasuhn and A. Pricking and D. Pszczel and K. Pysz and A. Pysniak and C. F. Redmer and J. Ritman and A. Roy and Z. Rudy and S. Sawant and S. Schadmand and T. Sefzick and V. Serdyuk and R. Siudak and T. Skorodko and M. Skurzok and J. Smyrski and V. Sopov and R. Stassen and J. Stepaniak and E. Stephan and G. Sterzenbach and H. Stockhorst and H. Stroeher and A. Szczurek and A. Taeschner and A. Trzcinski and R. Varma and G. J. Wagner and M. Wolke and A. Wronska and P. Wuestner and P. Wurm and A. Yamamoto and L. Yurev and J. Zabierowski and M. J. Zielinski and A. Zink and J. Zlomanczuk and P. Zupranski and M. Zurek and R. L. Workman and W. J. Briscoe and I. I. Strakovsky},
journal= {arXiv preprint arXiv:1402.6844},
year = {2015}
}