Measurement of χc1(3872) production in proton-proton collisions at $$ \sqrt{s} $$ = 8 and 13 TeV
Measurement of χc1(3872) production in proton-proton collisions at $$ \sqrt{s} $$ = 8 and 13 TeV
A bstract The production cross-section of the χ c 1 (3872) state relative to the ψ (2 S ) meson is measured using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of $$ \sqrt{s} $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt></mml:math> = 8 and 13 TeV, corresponding to integrated luminosities of …