psi(()*())p scattering length based on near-threshold charmonium photoproduction

doi:10.1103/PhysRevC.106.015202

CORC > 兰州理工大学 > 兰州理工大学 > 理学院

	*psi(()())p scattering length based on near-threshold charmonium photoproduction**
	Wang, Xiao-Yun 2,3; Zeng, Fancong 3; Strakovsky, Igor I.1
刊名	PHYSICAL REVIEW C
	2022-07-07
卷号	106 期号:1
ISSN号	2469-9985
DOI	10.1103/PhysRevC.106.015202
英文摘要	Under the framework of vector meson dominance model, the value of scattering length can be expressed as a function of the ratio between total cross section sigma(W) and R(W), where R(W) is the ratio between final momentum \|p(3)\| and initial momentum \|p(1)\| and positively correlated with the center-of-mass energy. Based on the theoretical study of charmonium's photoproduction within two gluon exchange model and effective Pomeron model, we research the scattering lengths of vector mesons and proton interaction in this work. Results show that the scattering length \|alpha(J/psi p)\| obtained from the two models are close and basically in agreement with the theoretical prediction of Strakovsky and co-workers. Additionally, we first calculate the scattering length of the psi(2S)-proton interaction in the two gluon exchange model and effective Pomeron model as 1.31 +/- 0.92 am (1 am = 10(-3) fm) and 3.24 +/- 0.63 am, respectively. This is a little bit different from the two models and requires precise measurements from subsequent experiments. In short, our results will provide a theoretical reference for future studies on characterizing the vector meson-proton scattering length.
WOS研究方向	Physics
语种	英语
出版者	AMER PHYSICAL SOC
WOS记录号	WOS:000832374100004
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/159467]
专题	理学院
作者单位	1.George Washington Univ, Dept Phys, Inst Nucl Studies, Washington, DC 20052 USA 2.Lanzhou Univ, Lanzhou Ctr Theoret Phys, Key Lab Theoret Phys Gansu Prov, Lanzhou 730000, Gansu, Peoples R China; 3.Lanzhou Univ Technol, Dept Phys, Lanzhou 730050, Peoples R China;
推荐引用方式 GB/T 7714	Wang, Xiao-Yun,Zeng, Fancong,Strakovsky, Igor I.. psi(()*())p scattering length based on near-threshold charmonium photoproduction[J]. PHYSICAL REVIEW C,2022,106(1).
APA	Wang, Xiao-Yun,Zeng, Fancong,&Strakovsky, Igor I..(2022).psi(()*())p scattering length based on near-threshold charmonium photoproduction.PHYSICAL REVIEW C,106(1).
MLA	Wang, Xiao-Yun,et al."psi(()*())p scattering length based on near-threshold charmonium photoproduction".PHYSICAL REVIEW C 106.1(2022).