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The HepMC C++ Monte Carlo event record for High Energy Physics

机译:HepMC C ++蒙特卡洛高能物理事件记录

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摘要

HepMC is an Object Oriented event record written in C++ for High Energy Physics Monte Carlo event generators. Many extensions from HEPEVT, the Fortran HEP standard, are supported: the number of entries is unlimited, spin density matrices can be stored with each vertex, flow patterns (such as colour) can be stored and traced, random number generator states can be stored, and an arbitrary number of event weights can be included. Particles and vertices are stored separately in a graphy structure, reflecting the evolution of a physics event. The added information supports the modularization of event generators. The event record has been kept as simple as possible with minimal internal/external dependencies. Even information is accessed by means of iterators supplied with HepMC.
机译:HepMC是用C ++编写的面向对象的事件记录,用于高能物理蒙特卡洛事件生成器。支持Fortran HEP​​标准HEPEVT的许多扩展:条目数不受限制,每个顶点可以存储旋转密度矩阵,可以存储和跟踪流模式(例如颜色),可以存储随机数生成器状态,并且可以包含任意数量的事件权重。粒子和顶点分别存储在图形结构中,反映了物理事件的演变。添加的信息支持事件生成器的模块化。事件记录已尽可能保持简单,并具有最小的内部/外部依赖性。甚至可以通过HepMC附带的迭代器访问信息。

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