Observation of e+e−→ωχbJ(1P) and Search for Xb→ωϒ(1S) at s near 10.75 GeV
                        
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            The production yields of the orbitally excited charm-strange mesons and were measured for the first time in proton-proton (pp) collisions at a center-of-mass energy of with the ALICE experiment at the LHC. The and mesons were measured at midrapidity ( ) in minimum-bias and high-multiplicity pp collisions in the transverse-momentum interval . Their production yields relative to the ground-state yield were found to be compatible between minimum-bias and high-multiplicity collisions, as well as with previous measurements in and collisions. The measured and yield ratios are described by statistical hadronization models and can be used to tune the parameters governing the production of excited charm-strange hadrons in Monte Carlo generators, such as 8.more » « less
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