Light-cone distribution amplitudes of the ground state bottom baryons in HQET

  • A. Ali
  • C. Hambrock
  • A. Ya. Parkhomenko
  • Wei Wang
Regular Article - Theoretical Physics

Abstract

We provide the definition of the complete set of light-cone distribution amplitudes (LCDAs) for the ground state heavy bottom baryons with the spin-parities J P =1/2+ and J P =3/2+ in the heavy quark limit. We present the renormalization effects on the twist-2 light-cone distribution amplitudes and use the QCD sum rules to compute the moments of twist-2, twist-3, and twist-4 LCDAs. Simple models for the heavy baryon distribution amplitudes are analyzed with account of their scale dependence.

Keywords

Heavy Quark Wilson Line Light Quark Transition Form Factor Heavy Baryon 

Notes

Acknowledgements

We thank V. Braun, A. Bharucha and Y.M.Wang for fruitful discussions. The work of W. Wang is partly supported by the Alexander-von-Humboldt Foundation. A.Ya.P. thanks the Theory Group at DESY for their kind hospitality, where the major part of this paper was done. The work of A.Ya.P. was also performed within the research program approved by the Ministry of Higher Education of the Russian Federation for Yaroslavl State University and was supported in part by the Russian Foundation for Basic Research (project No. 11-02-00394-a) and by the Ministry of Education and Science of the Russian Federation in the framework of realization of the Federal Target Program “Scientific and Pedagogic Personnel of the Innovation Russia” for 2009–2012 (project No. P-795).

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Copyright information

© Springer-Verlag Berlin Heidelberg and Società Italiana di Fisica 2013

Authors and Affiliations

  • A. Ali
    • 1
  • C. Hambrock
    • 2
  • A. Ya. Parkhomenko
    • 3
  • Wei Wang
    • 1
  1. 1.Deutsches Elektronen-Synchrotron DESYHamburgGermany
  2. 2.Technische Universität DortmundDortmundGermany
  3. 3.P.G. Demidov Yaroslavl State UniversityYaroslavlRussia

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