Eta Prime Gluonic Contribution to the Nucleon Self-Energy in an Effective Theory | Zendy

Alka Upadhyay | Zendy; Janardan P. Singh | Zendy

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Eta Prime Gluonic Contribution to the Nucleon Self-Energy in an Effective Theory

Author(s) -

Alka Upadhyay,

Janardan P. Singh

Publication year - 2014

Publication title -

advances in high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.59

H-Index - 49

eISSN - 1687-7365

pISSN - 1687-7357

DOI - 10.1155/2014/841703

Subject(s) - physics , nucleon , chiral perturbation theory , quantum chromodynamics , perturbation theory (quantum mechanics) , particle physics , baryon , effective field theory , quantum electrodynamics , theoretical physics

Gluonic contributions to the self-energy of a nucleon have been investigatedin an effective theory. The couplings of the topological charge density tonucleons give rise to OZI violating nucleon interactions. The one-loopself-energy of a nucleon arising due to these interactions have been calculatedusing a heavy baryon chiral perturbation theory. The divergences have beenregularized using form factors. The nontrivial structure of the QCD vacuum hasalso been taken into account.Comment: 10 Pages, 2 figure

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