(D)over-bar0D0* (D0(D)over-bar0*) system in QCD-improved many body potential

被引：1
作者：
Jamil, M. Imran [1 ]
Masud, Bilal [2 ]
Akram, Faisal [2 ]
Gilani, S. M. Sohail [2 ]
机构：
[1] Univ Management & Technol, Lahore, Pakistan
[2] Univ Punjab, Ctr High Energy Phys, Lahore 54590, Pakistan
来源：
CHINESE PHYSICS C | 2017年 / 41卷 / 01期
关键词：
meson-meson interaction; resonating group method; quark potential model; X(3872); QUARK-MODEL; SCATTERING; DECAYS; X(3872); TETRAQUARKS; ENERGIES; MESONS; STATES;
D O I：
10.1088/1674-1137/41/1/013103
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
For a system of current interest (composed of charm, anticharm and a pair of light quarks), we show trends in phenomenological implications of QCD-based improvements to a simple quark model treatment. We employ a resonating group method to render this difficult four-body problem manageable. We use a quadratic confinement so as to be able to improve beyond the Born approximation. We report the position of the pole corresponding to the (D) over bar D-0(0)* molecule for the best fit of a model parameter to the relevant QCD simulations. We point out the interesting possibility that the pole can be shifted to 3872 MeV by introducing another parameter I-0 that changes the strength of the interaction in this one component of X(3872). The revised value of this second parameter can guide future trends in modeling of the full exotic meson X(3872). We also report the changes with I-0 in the S-wave spin averaged cross sections for (D) over bar D-0(0)* ->omega J/psi and (D) over bar D-0(0)*->rho J/psi. These cross sections are important regarding the study of QGP (quark gluon plasma).
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页数：12
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