منابع مشابه
Parity mixed doublets in A=36 nuclei.
The γ-circular polarizations (Pγ) and asymmetries (Aγ) of the parity forbidden M1 + E2 γ-decays: 36Cl∗(Jπ = 2;T = 1;Ex = 1.95 MeV) → 36Cl(Jπ = 2+;T = 1; g.s.) and 36Ar∗(Jπ = 2;T = 0;Ex = 4.97 MeV) → 36Ar∗(Jπ = 2+;T = 0;Ex = 1.97 MeV) are investigated theoretically. We use the recently proposed Warburton-Becker-Brown shell-model interaction. For the weak forces we discuss comparatively different...
متن کاملParity Doublets in the Baryon Spectrum
Physics of the low-lying and high-lying hadrons in the light flavors sector is reviewed. While the low-lying hadrons are strongly affected by both U(1) A and spontaneous SU(2) L × SU(2) R breakings, in the high-lying hadrons these symmetries are restored. A manifestation is a persistence of the chiral multiplet structure in both baryon and meson spectra. A fundamental origin of this phenomenon ...
متن کاملPossible Interference Phenomena between Parity Doublets
Possible interference phenomena between parity doublets are discussed. In particular, the decay particle distributions of Z+ and A' produced in E +p capture and in x +p collision are analyzed. These distributions may have interference terms with odd parity. Experimental detection of such terms would constitute an unambiguous proof of the existence of parity doublets. It is further pointed out t...
متن کاملParity Violation and the Nucleon-nucleon System *
Theoretical and experimental work seeking to understand the phenomenon of parity violation within the nucleon-nucleon system is reviewed. Research supported in part by the National Science Foundation.
متن کاملParity doublets and chiral symmetry restoration in baryon spectrum
It is argued that an appearance of the near parity doublets in the upper part of the light baryon spectrum is an evidence for the chiral symmetry restoration in the regime where a typical momentum of quarks is around the chiral symmetry breaking scale. Thus one observes a phase transition in the upper part of the light baryon spectrum. The average kinetic energy of the constituent quarks in thi...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2019
ISSN: 2470-0010,2470-0029
DOI: 10.1103/physrevd.99.054010