首测奇异氦-4 的 M 系跃迁
核实验
2023-11-01 v1
摘要
本文报道了 SIDDHARTA-2 实验在 DA{\Phi}NE 对撞机上使用 1.37 g/l 气态靶对奇异氦-4 的新测量结果。我们首次测量了属于 M 系的三个跃迁的能量与产额。此外，我们将强相互作用引起的 2p 能级能量移动与宽度的统计精度提高了约三倍，获得了气态奇异氦最精确的测量，并在所用密度下测量了 L{\alpha} 跃迁的产额，为研究奇异原子跃迁产额的密度依赖性提供了新的实验输入。
引用
@article{arxiv.2310.20584,
title = {First measurement of kaonic helium-4 M-series transitions},
author = {F Sgaramella and D Sirghi and L Abbene and F Artibani and M Bazzi and D Bosnar and M Bragadireanu and A Buttacavoli and M Cargnelli and M Carminati and A Clozza and F Clozza and G Deda and R Del Grande and L De Paolis and K Dulski and L Fabbietti and C Fiorini and I Friscic and C Guaraldo and M Iliescu and M Iwasaki and A Khreptak and S Manti and J Marton and M Miliucci and P Moskal and F Napolitano and S Niedzwiecki and H Ohnishi and K Piscicchia and F Principato and A Scordo and M Silarski and F Sirghi and M Skurzok and A Spallone and K Toho and M Tuchler and O Vazquez Doce and C Yoshida and J Zmeskal and C Curceanu},
journal= {arXiv preprint arXiv:2310.20584},
year = {2023}
}
备注
12 pages, 5 figures, 3 tables