This title appears in the Scientific Report : 2015

##### Production of the spin partner of the $X\left(3872\right)$ in ${e}^{+}{e}^{-}$ collisions
Personal Name(s): Guo, Feng-Kun (Corresponding author) / Theorie der Starken Wechselwirkung; IAS-4 Theorie der starken Wechselwirkung; IKP-3 Physics letters / B, 740 (2015) S. 42 - 45 Amsterdam North-Holland Publ. 2015 10.1016/j.physletb.2014.11.030 Journal Article Symmetries and the Emergence of Structure in QCD Computational Science and Mathematical Methods OpenAccess OpenAccess Publikationsportal JuSER
Please use the identifier: http://dx.doi.org/10.1016/j.physletb.2014.11.030 in citations.
Please use the identifier: http://hdl.handle.net/2128/9793 in citations.
 We study the production of the spin partner of the X(3872), which is a D^{*}\bar D^{*} bound state with quantum numbers J^{PC}=2^{++} and named X_2(4012) here, with the associated emission of a photon in electron--positron collisions. The results show that the ideal energy region to observe the X_2(4012) in e^+e^- annihilations is from 4.4~GeV to 4.5~GeV, due to the presence of the S-wave \bar D^{*} D_1(2420) and \bar D^{*} D_2(2460) thresholds, respectively. We also point out that it will be difficult to observe the \gamma X(4012) at the e^+e^- center-of-mass energy around 4.26~GeV.