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arXiv 2108.07809hep-phhep-exnucl-th
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电子-核碰撞中重味喷流的产生和亚结构

Heavy flavor jet production and substructure in electron-nucleus collisions

Hai Tao Li, Ze Long Liu, Ivan Vitev

摘要:

电子-离子对撞机上原子核的深度非弹性散射将为研究物质结构提供新的机会。重味标记的射流是大核的部分子组成和输运系数的补充探针,但引入了一个新的质量尺度,修改了部分子簇射的结构,必须在微扰计算中仔细考虑。在考虑Glauber胶子相互作用的软共线有效理论框架下,首次计算了次领先级电子-核碰撞中包含的粲喷注和底喷注截面,并与参考电子-质子情形进行了比较.我们还预测了重味标记的射流动量共享分布,以进一步澄清相关的介质中修改的射流子结构。

英文摘要:

Deep inelastic scattering on nuclei at the Electron-Ion Collider will open new opportunities to investigate the structure of matter. Heavy flavor-tagged jets are complementary probes of the partonic composition and transport coefficients of large nuclei, but introduce a new mass scale that modifies the structure of parton showers and must be carefully accounted for in perturbative calculations. In the framework of soft-collinear effective theory with Glauber gluon interactions, we present the first calculation of inclusive charm-jet and bottom-jet cross sections in electron-nucleus collisions at next-to-leading order and compare them to the reference electron-proton case. We also show predictions for the heavy flavor-tagged jet momentum sharing distributions to further clarify the correlated in-medium modification of jet substructure.

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。

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