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Investigations on the charmless decays of Y(4260)
Li, G; An, CS; Li, PY; Liu, D; Zhang, X; Zhou, Z; Li, G (reprint author), Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China.
2015
发表期刊CHINESE PHYSICS C
卷号39期号:6页码:63102
文章类型Article
摘要Apart from the charmful decay channels of Y(4260), the charmless decay channels of Y(4260) also provide us a good platform to study the nature and the decay mechanism of Y(4260). In this paper, we propose to probe the structure of Y(4260) through the charmless decays Y(4260) -> VP via intermediate D-1(D) over bar +c.c. meson loops, where V and P stand for light vector and pseudoscalar mesons, respectively. Under the molecule ansatz of Y(4260), the predicted total branching ratio BRVP for all Y(4260) -> VP processes are about (0.34(-0.23)(+0.32t)% to (0.75-(+0.72)(0.52))% with the cutoff parameter alpha=2-3. Numerical results show that the intermediate D-1<(D)$over bar>+c.c. meson loops may be a possible transition mechanism in the Y(4260) -> VP decays. These predicted branching ratios are the same order to that of Y(4260) -> Z(c)(+) (3900)pi(-), which may be an evidence of D1D molecule and can be examined by the forthcoming BESIII data in the near future.
关键词Intermediate Meson Loop Exotic States
学科领域Physics
资助者National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164]
DOIhttp://dx.doi.org/10.1088/1674-1137/39/6/063102
关键词[WOS]HEAVY QUARKONIA ; OZI RULE ; CHARMONIUM DECAYS ; RADIATIVE DECAYS ; MESONS ; STATE ; EXPLANATION ; TRANSITIONS ; RESONANCES ; VIOLATION
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164] ; National Natural Science Foundation of China [11275113, 11205164]
WOS类目Physics, Nuclear ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20983
专题理论物理所SCI论文
通讯作者Li, G (reprint author), Qufu Normal Univ, Dept Phys, Qufu 273165, Peoples R China.
推荐引用方式
GB/T 7714
Li, G,An, CS,Li, PY,et al. Investigations on the charmless decays of Y(4260)[J]. CHINESE PHYSICS C,2015,39(6):63102.
APA Li, G.,An, CS.,Li, PY.,Liu, D.,Zhang, X.,...&Li, G .(2015).Investigations on the charmless decays of Y(4260).CHINESE PHYSICS C,39(6),63102.
MLA Li, G,et al."Investigations on the charmless decays of Y(4260)".CHINESE PHYSICS C 39.6(2015):63102.
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