论文标题
j/$ψ$生产是$ \ sqrt {\ textIt {s} _ {\ rm nn}}〜= 〜8.16 $ tev的p-pb碰撞中带电的粒子多重性的函数
J/$ψ$ production as a function of charged-particle multiplicity in p-Pb collisions at $\sqrt{\textit{s}_{\rm NN}}~=~8.16$ TeV
论文作者
论文摘要
P-PB碰撞中的包含J/$ψ$的收益率和平均横向动量，每核对$ \ sqrt {s _ {\ rm nn}} $ = 8.16 TEV的质量均为带电的 - particle-Pseudorapity litage cation conter中心。 The J/$ψ$ mesons are reconstructed at forward $(2.03 < y_{\rm cms} < 3.53)$ and backward ($-4.46 < y_{\rm cms} < -2.96$) center-of-mass rapidity in their dimuon decay channel while the charged-particle pseudorapidity density is measured around midrapidity.随着标准化的带电颗粒假性密度，j/$ψ$的向前和向后速度归一化为其平均值的增加，前者显示出比后者弱的增加。向前和向后速度的归一化平均横向动量表现出从低电荷粒子假性密度的稳定增加，饱和度超出了平均值。
Inclusive J/$ψ$ yields and average transverse momenta in p-Pb collisions at a center-of-mass energy per nucleon pair $\sqrt{s_{\rm NN}}$ = 8.16 TeV are measured as a function of the charged-particle pseudorapidity density with ALICE. The J/$ψ$ mesons are reconstructed at forward $(2.03 < y_{\rm cms} < 3.53)$ and backward ($-4.46 < y_{\rm cms} < -2.96$) center-of-mass rapidity in their dimuon decay channel while the charged-particle pseudorapidity density is measured around midrapidity. The J/$ψ$ yields at forward and backward rapidity normalized to their respective average values increase with the normalized charged-particle pseudorapidity density, the former showing a weaker increase than the latter. The normalized average transverse momenta at forward and backward rapidity manifest a steady increase from low to high charged-particle pseudorapidity density with a saturation beyond the average value.
