arXiv 1902.016742019-02-05hep-ph

用于高能粒子物理事件模拟的蒙特卡罗事件发生器

Monte Carlo event generators for high energy particle physics event simulation

Andy Buckley, Frank Krauss, Simon Plätzer, Michael Seymour, Simone Alioli, Jeppe Andersen, Johannes Bellm, Jon Butterworth, Mrinal Dasgupta, Claude Duhr, Stefan… 展开作者

Andy Buckley, Frank Krauss, Simon Plätzer, Michael Seymour, Simone Alioli, Jeppe Andersen, Johannes Bellm, Jon Butterworth, Mrinal Dasgupta, Claude Duhr, Stefano Frixione, Stefan Gieseke, Keith Hamilton, Gavin Hesketh, Stefan Hoeche, Hannes Jung, Wolfgang Kilian, Leif Lönnblad, Fabio Maltoni, Michelangelo Mangano, Stephen Mrenna, Zoltán Nagy, Paolo Nason, Emily Nurse, Thorsten Ohl, Carlo Oleari, Andreas Papaefstathiou, Tilman Plehn, Stefan Prestel, Emanuele Ré, Juergen Reuter, Peter Richardson, Gavin Salam, Marek Schoenherr, Steffen Schumann, Frank Siegert, Andrzej Siódmok, Malin Sjödahl, Torbjörn Sjöstrand, Peter Skands, Davison Soper, Gregory Soyez, Bryan Webber

备注：: Monte Carlo Community input to European Strategy Update

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摘要：

蒙特卡罗事件发生器（MCEG）是粒子物理学中不可或缺的工具，一方面弥合了理论思想和第一性原理计算之间的差距，另一方面也弥合了实验界复杂的探测器签名和数据之间的差距。所有对撞机物理实验都依赖于MCEG代码（如Herwig，Pythia，Sherpa，POWHEG和MG5_aMC@NLO）的模拟事件来设计和调整其探测器和分析策略。MCEG的发展主要是由欧洲大学充满活力的学术界推动的，他们还训练了下一代粒子现象学家。未来可能的基于对撞机的实验所带来的新挑战，以及LHC运行II的第一次分析现在经常受到理论不确定性的限制，这一事实促使社会投资于这些基本工具的进一步理论和技术改进。在这篇对欧洲战略更新的简短贡献中，我们简要回顾了最先进的技术，以及迎接下一代挑战所需的进一步发展。

英文摘要：

Monte Carlo event generators (MCEGs) are the indispensable workhorses of particle physics, bridging the gap between theoretical ideas and first-principles calculations on the one hand, and the complex detector signatures and data of the experimental community on the other hand. All collider physics experiments are dependent on simulated events by MCEG codes such as Herwig, Pythia, Sherpa, POWHEG, and MG5_aMC@NLO to design and tune their detectors and analysis strategies. The development of MCEGs is overwhelmingly driven by a vibrant community of academics at European Universities, who also train the next generations of particle phenomenologists. The new challenges posed by possible future collider-based experiments and the fact that the first analyses at Run II of the LHC are now frequently limited by theory uncertainties urge the community to invest into further theoretical and technical improvements of these essential tools. In this short contribution to the European Strategy Update, we briefly review the state of the art, and the further developments that will be needed to meet the challenges of the next generation.

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