Liu, Xiang and Zhang, Bo and Li, Xue-Qian (2009) The puzzle of excessive non-D(D)over-bar component of the inclusive psi(3770) decay and the long-distant contribution. PHYSICS LETTERS B, 675 (5). pp. 441-445. ISSN 0370-2693, 1873-2445
Full text not available from this repository. (Request a copy)Abstract
In this Letter we suggest that the obvious discrepancy between theoretical prediction on the non-D (D) over bar decays of psi(3770) and data is to be alleviated by taking final state interaction (FSI) into account. By assuming that psi(3770) overwhelmingly dissociates into D (D) over bar, then the final state interaction induces a secondary process, we calculate the branching ratios of psi(3770) -> D (D) over bar -> J/psi eta, rho pi, omega eta, K*K. Our results show that the branching ratio of psi( 3770) -> non-D (D) over bar can reach up to B-non-D (D) over bar(FSI) = (0.2-1.1)% while typical parameters I = 0.4 GeV-2 and alpha = 0.8-1.3 are adopted. This indicates that the FSI is obviously non-negligible. (C) 2009 Elsevier B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | BRANCHING FRACTION; HEAVY QUARKONIA; CROSS-SECTIONS; OZI RULE; TRANSITIONS; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 15 Sep 2020 11:00 |
| Last Modified: | 15 Sep 2020 11:00 |
| URI: | https://pred.uni-regensburg.de/id/eprint/28959 |
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