在DAΦNE对撞机上用SIDDHARTINO测量气体中的K介子氦
A new kaonic helium measurement in gas by SIDDHARTINO at the DAΦNE collider
摘要：
在INFN-LNF的DAΦNE对撞机上进行的SIDDHARTINO实验是SIDDHARTA-2实验的先导，该实验的目的是测量K介子氘跃迁到基本能级，该实验已成功完成。本文报告了这次运行的主要结果，包括优化的各种组件的设备，其中降能器需要最大限度地提高分数的K介子停止在目标内，通过测量的K介子氦跃迁到2 p水平。得到的位移和宽度值分别为ε_2p = E_exp-E_e.m = 0.2 { \pm } 2.5（stat）{ \pm } 2（syst）eV和Γ_2p = 8 { \pm } 10 eV（stat）。这种新的测量的位移，特别是，代表了最精确的一个气体目标，并预计将有助于更好地了解在低能量的K介子核相互作用。
英文摘要：
The SIDDHARTINO experiment at the DAΦNE Collider of INFN-LNF, the pilot run for the SIDDHARTA-2 experiment which aims to perform the measurement of kaonic deuterium transitions to the fundamental level, has successfully been concluded. The paper reports the main results of this run, including the optimization of various components of the apparatus, among which the degrader needed to maximize the fraction of kaons stopped inside the target, through measurements of kaonic helium transitions to the 2p level. The obtained shift and width values are ε_2p = E_exp-E_e.m = 0.2 {\pm} 2.5(stat) {\pm} 2(syst) eV and Γ_2p = 8 {\pm} 10 eV (stat), respectively. This new measurement of the shift, in particular, represents the most precise one for a gaseous target and is expected to contribute to a better understanding of the kaon-nuclei interaction at low energy.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
