Measurement of exclusive $\mathrm {\Upsilon }$ - photoproduction from protons in $\mathrm {p}$ Pb collisions at $\sqrt{smash [b]{s_{_{\mathrm {NN}}}}} = 5.02\, \text {TeV}$ s NN = 5.02 TeV

G.A.Alves; Moraes, A; Carsten Hensel; CMS Collaboration

11/12/2019277