Production of muons from heavy-flavour hadron decays in pp collisions at $$ \sqrt{s} $$ = 5.02 TeV
抄録
<jats:title>A<jats:sc>bstract</jats:sc> </jats:title> <jats:p>Production cross sections of muons from semi-leptonic decays of charm and beauty hadrons were measured at forward rapidity (2<jats:italic>.</jats:italic>5 <jats:italic>< y <</jats:italic> 4) in proton-proton (pp) collisions at a centre-of-mass energy <jats:inline-formula> <jats:alternatives> <jats:tex-math>$$ \sqrt{s} $$</jats:tex-math> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> </jats:alternatives> </jats:inline-formula> = 5<jats:italic>.</jats:italic>02 TeV with the ALICE detector at the CERN LHC. The results were obtained in an extended transverse momentum interval, 2 <jats:italic>< p</jats:italic> <jats:sub>T</jats:sub> <jats:italic><</jats:italic> 20 GeV/<jats:italic>c</jats:italic>, and with an improved precision compared to previous measurements performed in the same rapidity interval at centre-of-mass energies <jats:inline-formula> <jats:alternatives> <jats:tex-math>$$ \sqrt{s} $$</jats:tex-math> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> </jats:alternatives> </jats:inline-formula> = 2<jats:italic>.</jats:italic>76 and 7 TeV. The <jats:italic>p</jats:italic> <jats:sub>T</jats:sub>- and <jats:italic>y</jats:italic>-differential production cross sections as well as the <jats:italic>p</jats:italic> <jats:sub>T</jats:sub>-differential production cross section ratios between different centre-of-mass energies and different rapidity intervals are described, within experimental and theoretical uncertainties, by predictions based on perturbative QCD.</jats:p>
収録刊行物
-
- Journal of High Energy Physics
-
Journal of High Energy Physics 2019 (9), 2019-09
Springer Science and Business Media LLC