Pseudoscalar form factors of the Delta(1232) in Baryon Chiral Perturbation Theory

ÜNAL ŞAHİN Y.

TURKISH JOURNAL OF PHYSICS, cilt.44, sa.3, ss.280-287, 2020 (ESCI) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 44 Sayı: 3
  • Basım Tarihi: 2020
  • Doi Numarası: 10.3906/fiz-2002-22
  • Dergi Adı: TURKISH JOURNAL OF PHYSICS
  • Derginin Tarandığı İndeksler: Emerging Sources Citation Index (ESCI), Scopus, Academic Search Premier, Compendex, INSPEC, TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.280-287
  • Çanakkale Onsekiz Mart Üniversitesi Adresli: Evet

Özet

The pseudoscalar current-delta transition form factors are calculated in the framework of relativistic baryon chiral perturbation theory including order O(q(4)). The complex-mass scheme, which is suitable and well-defined for unstable particles, is taken into account as a renormalization scheme. We discuss the low energy behavior of the pseudoscalar (g) over tilde (Q(2)) and (h) over tilde (Q(2)) form factors and note that the momentum dependence of the form factors is dominated by the pion pole contributions.