Conveners
Parallel session A2
- Christoph Hanhart (IAS-4, Forschungszentrum Juelich)
Prompt production of $\Upsilon$(1S,2S,3S) mesons in proton-proton collisions at the LHC within NRQCD $k_t$-factorization approach [1] will be discussed. Different unintegrated gluon distribution functions are used.We include both direct color-singlet production $gg \to \Upsilon(1S) g$ as well as feed-down from $\chi_{b} \to \Upsilon(1S) \gamma$ and $ \ Upsilon(2S) \to \Upsilon (1S) X$. We...
In this work we provide predictions for bottom-strange molecular states within the Hidden Gauge Formalism. We study the coupled-channel scattering of $B^{(*)}\bar{K}^{(*)}$ states and, by fixing only one free parameter to obtain the mass of a new excited $B_s^0$ state seen by the LHCb, we predict the pole parameters of six states in this sector. Concretely, we get that the masses of the flavor...
Based on 334 pb−1 of photoproduction data collected with the GlueX detector at Jefferson Lab, we have measured for the first time the cross section of the exclusive reaction γ+ p → φ(1020)π+π−p by reconstructing the final state K+K−π+π−p produced with a photon beam of energies between 8.0 and 11.6 GeV. Based on the measured differential cross section, we have performed a search for the...
