Eur. Phys. J. C (2011) 71: 1816
https://doi.org/10.1140/epjc/s10052-011-1816-x

Regular Article - Theoretical Physics

Analysis of the Λ _Q baryons in the nuclear matter with the QCD sum rules

Department of Physics, North China Electric Power University, Baoding, 071003, P.R. China

^* e-mail: wangzgyiti@yahoo.com.cn

Received: 1 September 2011
Revised: 3 November 2011
Published online: 1 December 2011

Abstract

In this article, we study the Λ _c and Λ _b baryons in the nuclear matter using the QCD sum rules, and obtain the in-medium masses , , the in-medium vector self-energies , , and the in-medium pole residues , . The mass-shifts are and , respectively.