Cross sections for meson-meson nonresonant reactions
| dc.creator | Li, Yu-Qi | |
| dc.creator | Xu, Xiao-Ming | |
| dc.date | 2007-10-10 | |
| dc.date.accessioned | 2026-07-07T11:37:57Z | |
| dc.date.available | 2026-07-07T11:37:57Z | |
| dc.description | Meson-meson nonresonant reactions governed by the quark-interchange mechanism are studied in a potential that is derived from QCD. S-wave elastic phase shifts for I=2 ππand I=3/2 K πscattering are obtained with wave functions determined by the central spin-independent term of the potential. The reactions include inelastic scatterings of two mesons in the ground-state pseudoscalar octet and the ground-state vector nonet. Cross sections for reactions involving pion, rho, K and K^* indicate that mesonic interactions in matter consisting of only K and K^* can be stronger than mesonic interactions in matter consisting of only pions and rhos and the reaction of I=3/2 πK^* \to ρK is most important among the endothermic nonresonant reactions. By the quark-interchange mechanism we can offer \sqrt s-dependences of phi absorption cross sections in collisions with pion and rho and relevant average cross sections what are very small for the reaction of I=1 πϕ\to K^* K^* and remarkably large for the reaction of I=1 ρϕ\to K^* K^*. It is found from the \sqrt s-dependences of cross sections that rho and K^* creation cross sections can be larger than their absorption cross sections, respectively. | |
| dc.description | 26 pages, 15 figures | |
| dc.identifier | https://arxiv.org/abs/0710.1907 | |
| dc.identifier | http://arxiv.org/abs/0710.1907 | |
| dc.identifier | Nucl.Phys.A794:210-230,2007 | |
| dc.identifier | doi:10.1016/j.nuclphysa.2007.08.009 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/199391 | |
| dc.subject | Nuclear Theory | |
| dc.title | Cross sections for meson-meson nonresonant reactions | |
| dc.type | text |