تقرير
New results on collectivity with CMS
العنوان: | New results on collectivity with CMS |
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المؤلفون: | Milosevic, Jovan |
سنة النشر: | 2017 |
المجموعة: | Nuclear Experiment |
مصطلحات موضوعية: | Nuclear Experiment |
الوصف: | Nonlinear response coefficients of higher-order anisotropy harmonics for charged particles are measured in PbPb collisions at 2.76 and 5.02 TeV as a function of transverse momentum and collision centrality. The nonlinear response coefficients are obtained from $v_{n}$ harmonics measured with respect to their own plane and the mixed harmonics. Additionally, at 5.02 TeV PbPb collisions, a significant negative skewness is observed by a fine splitting between $v_{2}\{4\}$ and $v_{2}\{6\}$ cumulants. The elliptic flow skewness is measured up to 60\% centrality. The results are compared with hydrodynamic models with different shear viscosity to entropy density ratios and initial conditions. Comment: 6 pages, 8 fugures, LHCP conference contribution |
نوع الوثيقة: | Working Paper |
URL الوصول: | http://arxiv.org/abs/1708.09717 |
رقم الأكسشن: | edsarx.1708.09717 |
قاعدة البيانات: | arXiv |
الوصف غير متاح. |