Pseudoscalar form factors of the ?(1232) in Baryon Chiral Perturbation Theory
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Tarih
2020
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Tubitak Scientific & Technological Research Council Turkey
Erişim Hakkı
info:eu-repo/semantics/openAccess
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.
Açıklama
Anahtar Kelimeler
Delta resonance, baryon chiral perturbation theory, complex-mass scheme
Kaynak
Turkish Journal of Physics
WoS Q Değeri
N/A
Scopus Q Değeri
Cilt
44
Sayı
3