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arXiv 2311.08293hep-phhep-ex
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迈向低能$e^+e^-$数据到轻子和强子的全NNLO蒙特卡洛生成器

Towards a full NNLO Monte Carlo generator for low energy $e^+e^-$ data into leptons and hadrons

Graziano Venanzoni

AI总结:

本文报告Radio MonteCarLow工作组在低能$e^+e^-$数据到轻子和强子的全NNLO蒙特卡洛生成器方面的进展,旨在通过结合轻子扇区全NNLO修正与改进的π介子辐射修正,精确确定缪子g-2的主要强子贡献。

摘要:

在过去15年中,Radio MonteCarLow工作组一直为低能$e^+e^-$数据和$\ au$轻子衰变的辐射修正及蒙特卡洛事件生成器的发展提供宝贵支持。尽管该工作组已运行超过15年且没有正式的资金基础,我们计划的部分内容最近已被纳入欧洲强子物理社区STRONG2020向欧盟提交的团体申请中的联合研究计划,其更具体的目标是为$e^+e^-$碰撞中的低能强子截面创建一个带注释的数据库。与此同时,理论界正在继续努力实现改进的低能$e^+e^-$数据到强子的蒙特卡洛生成器。轻子扇区中的全NNLO修正将与涉及π介子的辐射修正的改进处理相结合。这对于精确确定缪子g-2的主要强子贡献具有重要意义。我们将报告这些举措。

英文摘要:

During the last 15 years the Radio MonteCarLow Working Group has been providing valuable support to the development of radiative corrections and Monte Carlo event generators for low energy $e^+e^-$ data and $τ$-lepton decays. While the working group has been operating for more than 15 years without a formal basis for funding, parts of our program have recently been included as a Joint Research Initiative in the group application of the European hadron physics community, STRONG2020, to the European Union, with a more specific goal of creating an annotated database for low-energy hadronic cross sections in $e^+e^-$ collisions. In parallel the theory community is continuing its effort towards the realization of improved Monte Carlo generators with for low energy $e^+e^-$ data into hadrons. Full NNLO corrections in the leptonic sector are to be combined with an improved treatment of radiative corrections involving pions. This is of relevance for the precise determination of the leading hadronic contribution to the muon g-2. We will report on these initiatives.

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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