Electron-ion collider impact study on the tensor charge of the nucleon
Electron-ion collider impact study on the tensor charge of the nucleon
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DOI：
10.1016/j.physletb.2021.136255
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发表时间：
2021-01
影响因子：
4.4
通讯作者：
L. Gamberg;Z. Kang;D. Pitonyak;A. Prokudin;N. Sato;R. Seidl
中科院分区：
文献类型：
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作者：
L. Gamberg;Z. Kang;D. Pitonyak;A. Prokudin;N. Sato;R. Seidl
在这封信中，我们研究的影响，电子-离子对撞机（EIC）的唯象提取的张量电荷从QCD整体分析的单横自旋不对称性（SSA）。我们生成了质子和H3 e束在多个质心能量下的半包容深度非弹性散射中的柯林斯效应的EIC伪数据。我们发现一个显着减少的不确定性的上，下，和isovector张量收费，将使他们的提取从EIC数据的SSA作为精确的当前晶格QCD计算。我们还分析了杰斐逊实验室提出的SoLID实验的未来数据所带来的限制，讨论了其对EIC的重要补充作用，并提出了两个设施的综合影响。
In this letter we study the impact of the Electron-Ion Collider (EIC) on the phenomenological extraction of the tensor charge from a QCD global analysis of single transverse-spin asymmetries (SSAs). We generate EIC pseudo-data for the Collins effect in semi-inclusive deep-inelastic scattering for proton and H 3 e beams across multiple center-of-mass energies. We find a significant reduction in the uncertainties for the up, down, and isovector tensor charges that will make their extraction from EIC data on SSAs as precise as current lattice QCD calculations. We also analyze the constraints placed by future data from the proposed SoLID experiment at Jefferson Lab, discuss its important complementary role to the EIC, and present the combined impact from both facilities.