Abstract
Measurement of bottomonium states in pp, pPb and PbPb collisions at 2.76 TeV from CMS
Highlights
A medium consist of deconfined quarks and gluons at high density and high temperature, the Quark-Gluon Plasma (QGP) is predicted to be formed at the early stage of high energy heavy ion collisions.Measurement of quarkonium states is a promising way to study the characteristics of the Quark-Gluon Plasma (QGP)
The double ratio of the excited states to the ground states is calculated by dividing the single ratios in pp & PbPb collisions as in Eq 1
It quantifies how much more the excited states are suppressed compared to the ground state and has an advantage in the cancellation of the acceptance and efficiency while it eliminates the fraction of the systematic uncertainties
Summary
A medium consist of deconfined quarks and gluons at high density and high temperature, the Quark-. Measurement of quarkonium states is a promising way to study the characteristics of the QGP. Suppression of those quarkonium states is one of the most important signatures in understanding the property of the medium, which was expected to be in the order of the binding energy due to the debye screening of the neighboring color charges [1]. The suppression of the various states is expected to be denoted in a sequential pattern and can provide information of the dissociation temperature in the medium which is dependent on the binding energy of each quarkonia. The CNM effect includes the modification of the parton distribution function, abnodtto√msoNnNiu=m2p.7ro6dTuecVtioinn was measured with the data pp and PbPb collisions. The collisions results of the Υ measurement will be described for the three different collision system
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