Production of the spin partner of the X(3872) in e^+e^- collisions

Abstract

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 γX(4012) at the e^+e^- center-of-mass energy around 4.26~GeV.

7 pages, 2 figures, version accepted for publication in PLB

References in corpus (7)

• Pion Interactions in the X(3872)
• The Heavy Quark Spin Symmetry Partners of the X(3872)
• Are Y(4260) and {\rm Z${}_2^{+}$(4250)} ${\mathrm{D}}_1\mathrm{D}$ or ${\mathrm{D}}_0{\mathrm{D}}^{\ast }$ Hadronic Molecules?
• Effect of charmed meson loops on charmonium transitions
• Hadronic Decays of the X(3872) to chi_{cJ} in Effective Field Theory
• Implications of heavy quark spin symmetry on heavy meson hadronic molecules
• Enhanced breaking of heavy quark spin symmetry

Cited by in corpus (3)

• Heavy-quark spin and flavour symmetry partners of the X(3872) revisited: what can we learn from the one boson exchange model?
• Is $Z_{cs}(3982)$ a molecular partner of $Z_c(3900)$ and $Z_c(4020)$ states?
• Two-body strong decays of the hidden-charm tetraquark molecular states via the QCD sum rules