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Transverse-momentum-ordered showers and interleaved multiple interactions

  • theoretical physics
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Abstract.

We propose a sophisticated framework for high-energy hadronic collisions, wherein different QCD physics processes are interleaved in a common sequence of falling transverse-momentum values. Thereby phase-space competition is introduced between multiple parton-parton interactions and initial-state radiation. As a first step we develop new transverse-momentum-ordered showers for initial- and final-state radiation, which should be of use also beyond the scope of the current article. These showers are then applied in the context of multiple interactions, and a few tests of the new model are presented. The article concludes with an outlook on further aspects, such as the possibility of a shower branching giving partons participating in two different interactions.

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Authors and Affiliations

  1. Department of Theoretical Physics, Lund University, Sölvegatan 14A, 223 62 , Lund, Sweden

    T. Sjöstrand & P. Z. Skands

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  1. T. Sjöstrand
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  2. P. Z. Skands
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Correspondence to T. Sjöstrand.

Additional information

Received: 26 August 2004, Revised: 14 October 2004, Published online: 11 January 2005

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Sjöstrand, T., Skands, P.Z. Transverse-momentum-ordered showers and interleaved multiple interactions. Eur. Phys. J. C 39, 129–154 (2005). https://doi.org/10.1140/epjc/s2004-02084-y

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