Hard diffractive eta(c,b) hadroproduction at the LHC
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论文类型：期刊论文
发表时间：2020-03-26
发表刊物：PHYSICAL REVIEW D
收录刊物：SCIE
卷号：101
期号：5
ISSN号：2470-0010
摘要：In this paper, we investigate the inclusive diffractive hadroproduction for eta(c) and eta(b) at the Large Hadron Collider (LHC) energies. Based on the nonrelativistic QCD factorization formalism and the resolved-Pomeron model for the quarkonium production mechanism, we estimate the rapidity, the momentum fraction loss dependence of the cross section. We give prediction ratios for single and central diffractive processes with respect to the nondiffractive process. These inclusive processes are sensitive to the gluon content of Pomeron for small x and Reggeon for large x, which is useful to study small and largc-x physics and good to test different mechanisms for eta(c) and eta(b) production at the LHC. They also serve as the background to related exclusive processes; thus, they should be predicted. Our results demonstrate that the Reggeon contribution of diffractive processes can be sizable, even sometimes dominant over Pomeron, and that its study can be useful to better constrain the Reggeon parton content. The experimental study of Reggeon can be carried out in certain kinematic windows.
发表时间：2020-03-26