$\bar{d}-\bar{u}$ asymmetry in the proton in chiral effective theory

Yusupujiang Salamu, Chueng-Ryong Ji, W. Melnitchouk +1

We compute the $\bar{d}-\bar{u}$ asymmetry in the proton in chiral effective theory, including both nucleon and $\Delta$ degrees of freedom, within both the relativistic and heavy baryo…