Radiative decays of the doubly charmed baryons in chiral perturbation theory

Abstract

We have systematically investigated the spin-$\frac{3}{2}$ to spin-$\frac{1}{2}$ doubly charmed baryon transition magnetic moments to the next-to-next-to-leading order in the heavy baryon chiral perturbation theory (HBChPT). Numerical results of transition magnetic moments and decay widths are presented to the next-to-leading order: ${\mu }_{{\Xi }_{cc}^{\ast ++}\to {\Xi }_{cc}^{++}}=-2.35{\mu }_N$, ${\mu }_{{\Xi }_{cc}^{\ast +}\to {\Xi }_{cc}^{+}}=1.55{\mu }_N$, ${\mu }_{{\Omega }_{cc}^{\ast +}\to {\Omega }_{cc}^{+}}=1.54{\mu }_N$, ${\Gamma }_{{\Xi }_{cc}^{\ast ++}\to {\Xi }_{cc}^{++}}=22.0$ keV, ${\Gamma }_{{\Xi }_{cc}^{\ast +}\to {\Xi }_{cc}^{+}}=9.57$ keV, ${\Gamma }_{{\Omega }_{cc}^{\ast +}\to {\Omega }_{cc}^{+}}=9.45$ keV.

arXiv admin note: text overlap with arXiv:1707.02765, arXiv:1706.06458

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• Analysis of the semileptonic and nonleptonic two-body decays of the double heavy charm baryon states ${\Xi }_{cc}^{++},{\Xi }_{cc}^{+}$ and ${\Omega }_{cc}^{+}$
• Sum rules for $CP$ asymmetries of charmed baryon decays in the $SU(3{)}_F$ limit
• Radiative M1 transitions of heavy baryons: Effective Quark Mass Scheme
• Light-Cone Sum Rules Analysis of ${\Xi }_{Q{Q}^{\prime }}\to {\Sigma }_{Q^{\prime }}$ Weak Decays
• Spectroscopic survey of higher-lying states of $B_c$ meson family
• Radiative decays and magnetic moments of the predicted $B_c$-like molecules
• Lattice QCD study of the elastic and transition form factors of charmed baryons
• Spin-$\frac{3}{2}$ doubly charmed baryon contribution to the magnetic moments of the spin-$\frac{1}{2}$ doubly charmed baryons
• Strong interaction of doubly heavy spin-3/2 baryons with light vector mesons
• Chiral effective Lagrangian for doubly charmed baryons up to $\mathcal{O}(q^4)$
• Spectroscopic Study of ${\Omega }_{cc}$, ${\Omega }_{cb}$ and ${\Omega }_{bb}$ Baryons
• Investigating the M1 radiative decay behaviors and the magnetic moments of the predicted triple-charm molecular-type pentaquarks