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GENXICC2.0: An upgraded version of the generator for hadronic production of double heavy baryons Ξcc, Ξbc and Ξbb

机译:GENXICC2.0:发电机的升级版,可强子生产双重重子重子Ξcc,Ξbc和Ξbb

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摘要

An upgraded (second) version of the package GENXICC (A Generator for Hadronic Production of the Double Heavy Baryons Ξcc , Ξbc and Ξbb by C.H. Chang, J.X. Wang and X.G. Wu [its first version in: Comput. Phys. Comm. 177 (2007) 467]) is presented. Users, with this version being implemented in PYTHIA and a GNU C compiler, may simulate full events of these processes in various experimental environments conveniently. In comparison with the previous version, in order to implement it in PYTHIA properly, a subprogram for the fragmentation of the produced double heavy diquark to the relevant baryon is supplied and the interface of the generator to PYTHIA is changed accordingly. In the subprogram, with explanation, certain necessary assumptions (approximations) are made in order to conserve the momenta and the QCD ‘color’ flow for the fragmentation.
机译:CH Chang,JX Wang和XG Wu软件包GENXICC(双重子重子Ξcc,Ξbc和Ξbb的强子生产的发生器的升级(第二)版本[其第一版:计算机物理通讯177(2007 )467])。通过在PYTHIA和GNU C编译器中实现的版本,用户可以方便地在各种实验环境中模拟这些过程的完整事件。与以前的版本相比,为了正确地在PYTHIA中实现它,提供了一个子程序,用于将生成的双重Diquark破碎到相关的重子,并相应地更改了生成器与PYTHIA的接口。在子程序中,带有解释,做出了一些必要的假设(近似值),以节省碎片的矩量和QCD“颜色”流。

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