论文标题
在$ \ text {p} _ \ text {beam} $ = 2.5、2.8和3.2 Gev/c时，将质子 - 蛋白质弹性散射到库仑区域的测量
Measurement of proton-proton elastic scattering into the Coulomb region at $\text{P}_\text{beam}$ = 2.5, 2.8 and 3.2 GeV/c
论文作者
论文摘要
通过以2.5至3.2 GeV/c的范围测量了非常小的四个动量转移平方的质子 - - 原弹性差异横截面，通过以接近$ 90^\ Circ $的极度检测到后坐力质子，在2.5至3.2 GeV/c的范围内测量了质子 - - 原始弹性差。测量在舒适时进行，覆盖库仑核干扰区域的考拉检测器。精确确定的总横截面$σ_\ text {tot} $与以前的测量相一致。在本实验中确定的斜率参数$ b $和相对实际幅度比$ρ$的值减轻了相关能源区域中缺乏数据。 $ρ$的精确数据可能是新的分散分析的重要检查。
The proton--proton elastic differential cross section at very small four momentum transfer squared has been measured at three different incident proton momenta in the range of 2.5 to 3.2 GeV/c by detecting the recoil proton at polar angles close to $90^\circ$. The measurement was performed at COSY with the KOALA detector covering the Coulomb-nuclear interference region. The total cross section $σ_\text{tot}$, which has been determined precisely, is consistent with previous measurements. The values of the slope parameter $B$ and the relative real amplitude ratio $ρ$ determined in this experiment alleviate the lack of data in the relevant energy region. This precise data on $ρ$ might be an important check for a new dispersion analysis.
