Abstract
We report the measurements of nuclear modification factors of the Z bosons, isolated photons and charged particles in = 2.76 TeV Pb–Pb collisions with the Compact Muon Solenoid detector. The nuclear modification factors are constructed by dividing the Pb–Pb pT spectra, normalized to the number of binary collisions, by the pp references. No modifications are observed in the isolated photon and Z boson production with respect to the pp references, while a large suppression is observed in the charged particles.
Highlights
The hot and dense matter produced in heavy-ion collisions, often referred to as the quark-gluon plasma (QGP), can be studied in various ways
We report the measurements of nuclear modification factors of the Z √
No modifications are observed in isolated photon and Z boson production with respected to the pp references while large suppression is observed in the charged particles
Summary
The hot and dense matter produced in heavy-ion collisions, often referred to as the quark-gluon plasma (QGP), can be studied in various ways. Bosons, isolated photons and charged particles in sNN = 2.76 TeV PbPb collisions with the CMS detector. The nuclear modification factors are constructed by dividing the PbPb pT spectra, normalized to the number of binary collisions, by the pp references.
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