“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 15347
School of Particles and Accelerator
  Title:   Heavy quark fragmentation function in the noncommutative Standard Model
  Author(s): 
1.  Seyed Mohammad Moosavi Nejad
2.  Effat Tajik
  Status:   Published
  Journal: Eur. Phys. J. A
  Vol.:  54, 174
  Year:  2018
  Supported by:  IPM
  Abstract:
The dominant mechanism to produce hadronic bound states with large transverse momentum is fragmentation. The hadronization processes are described by the fragmentation functions (FFs) which are universal and process-independent functions. In this paper, we study for the first time the noncommutative efects to the FF of a heavy quark to fragment into heavy mesons to leading order in the QCD coupling constant. As an example, we focus on the FF of a charm quark to split into the S-wave D-meson and compare our analytical results with both the experimental data and a well-known phenomenological model. Here, we compute the corrections of FFs induced by noncommutativity and find a bound on the energy scale where the noncommutative efects of the space-time will be relevant


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