Production of the Ds0(2317) and Ds1(2460) by kaon-induced reactions on a proton target

We investigate the possibility of studying the charmed-strange mesons Ds0(2317) and Ds1(2460) by kaon-induced reactions on a proton target in an effective Lagrangian approach. The production process is described by the t-channel D0 and D*0 exchanges, respectively. Our theoretical approach is based on the chiral unitary theory where the Ds0(2317) and Ds1(2460) resonances are dynamically generated. Within the coupling constants of the Ds0(2317) to KD and Ds1(2460) to KD* channels obtained from chiral unitary theory, the total and differential cross sections of the K−p→ΛcDs0(2317) and K−p→ΛcDs1(2460) are evaluated. The K¯p initial state interaction mediated by Pomeron and Reggeon exchanges, which reduces the production cross sections of the Ds0(2317) and Ds1(2460), is also included. If measured in future experiments, the predicted total cross sections and specific features of the angular distributions can be used to test the (molecular) nature of the Ds0(2317) and Ds1(2460).