Charmed baryon strong decays in a chiral quark model

Details Charmed baryon strong decays in a chiral quark model Charmed baryon strong decays in a chiral quark model

2007-11-29

arxiv.org/abs/0711.4645v2

Phys.Rev.D77:074008,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 16 tables; typos corrected;version to appear in PRD

Scientific paper

10.1103/PhysRevD.77.074008

Charmed baryon strong decays are studied in a chiral quark model. The data for the decays of $\Lambda^+_c(2593)$, $\Lambda^+_c(2625)$, $\Sigma^{++,+,0}_c$ and $\Sigma^{+,0}_c(2520)$, are accounted for successfully, which allows to fix the pseudoscalar-meson-quark couplings in an effective chiral Lagrangian. Extending this framework to analyze the strong decays of the newly observed charmed baryons, we classify that both $\Lambda_c(2880)$ and $\Lambda_c(2940)$ are $D$-wave states in the N=2 shell; $\Lambda_c(2880)$ could be $|\Lambda_c ^2 D_{\lambda\lambda}{3/2}^+>$ and $\Lambda_c(2940)$ could be $|\Lambda_c ^2 D_{\lambda\lambda}{5/2}^+>$. Our calculation also suggests that $\Lambda_c(2765)$ is very likely a $\rho$-mode $P$-wave excited state in the N=1 shell, and favors a $|\Lambda_c ^4P_\rho 1/2^->$ configuration. The $\Sigma_c(2800)$ favors being a $|\Sigma_c ^2P_\lambda{1/2}^->$ state. But its being $|\Sigma^{++}_c ^4 P_\lambda{5/2}^->$ cannot be ruled out.

Affiliated with

Also associated with

No associations

Rating

Charmed baryon strong decays in a chiral quark model does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Charmed baryon strong decays in a chiral quark model, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Charmed baryon strong decays in a chiral quark model will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-45607