Measurement of the pseudorapidity and centrality dependence of the transverse energy density in Pb-Pb collisions at root s(NN)=2.76 TeV

Name: Measurement of the pseudorapidity and centrality dependence of the transverse energy density in Pb-Pb collisions at root s(NN)=2.76 TeV
Author: Chatrchyan, S., Işıldak, Bora

İsim	Measurement of the pseudorapidity and centrality dependence of the transverse energy density in Pb-Pb collisions at root s(NN)=2.76 TeV
Yazar	Chatrchyan, S., Işıldak, Bora
Basım Tarihi:	2012-10-12
Basım Yeri	- American Physical Society
Konu	Nucleus-nucleus collisions, Color glass condensate, quark-gluon plasma, Au plus au, Pion-production, Collaboration, Model, Perspective, Particle
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	1079-7114
Kayıt Numarası	484e54b4-57fc-4a15-bb76-e712c39572a1
Lokasyon	Natural and Mathematical Sciences
Tarih	2012-10-12
Notlar	FMSR ; FNRS and FWO ; CNPq, CAPES, FAPERJ, and FAPESP ; MES ; CERN; CAS, MoST, and NSFC ; COLCIENCIAS ; MSES ; RPF ; MoER, SF0690030s09 and ERDF ; Academy of Finland, MEC, and HIP ; CEA and CNRS/IN2P3 ; BMBF, DFG, and HGF ; GSRT ; OTKA and NKTH ; DAE and DST ; IPM ; SFI ; INFN ; NRF and WCU ; LAS ; CINVESTAV, CONACYT, SEP, and UASLP-FAI ; MSI ; PAEC ; MSHE and NSC ; FCT ; JINR ; MON, RosAtom, RAS and RFBR ; MSTD
Örnek Metin	The transverse energy (E-T) in Pb-Pb collisions at 2.76 TeV nucleon-nucleon center-of-mass energy (root s(NN)) has been measured over a broad range of pseudorapidity (eta) and collision centrality by using the CMS detector at the LHC. The transverse energy density per unit pseudorapidity (dE(T)/d eta) increases faster with collision energy than the charged particle multiplicity. This implies that the mean energy per particle is increasing with collision energy. At all pseudorapidities, the transverse energy per participating nucleon increases with the centrality of the collision. The ratio of transverse energy per unit pseudorapidity in peripheral to central collisions varies significantly as the pseudorapidity increases from eta = 0 to vertical bar eta vertical bar = 5.0. For the 5% most central collisions, the energy density per unit volume is estimated to be about 14 GeV/fm(3) at a time of 1 fm/c after the collision. This is about 100 times larger than normal nuclear matter density and a factor of 2.6 times higher than the energy density reported at root s(NN) = 200 GeV at the Relativistic Heavy Ion Collider.
DOI	10.1103/PhysRevLett.109.152303
Cilt	109

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Measurement of the pseudorapidity and centrality dependence of the transverse energy density in Pb-Pb collisions at root s(NN)=2.76 TeV

Yazar Chatrchyan, S., Işıldak, Bora

Basım Tarihi 2012-10-12

Basım Yeri - American Physical Society

Konu Nucleus-nucleus collisions, Color glass condensate, quark-gluon plasma, Au plus au, Pion-production, Collaboration, Model, Perspective, Particle

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 1079-7114

Kayıt Numarası 484e54b4-57fc-4a15-bb76-e712c39572a1

Lokasyon Natural and Mathematical Sciences

Tarih 2012-10-12

Notlar FMSR ; FNRS and FWO ; CNPq, CAPES, FAPERJ, and FAPESP ; MES ; CERN; CAS, MoST, and NSFC ; COLCIENCIAS ; MSES ; RPF ; MoER, SF0690030s09 and ERDF ; Academy of Finland, MEC, and HIP ; CEA and CNRS/IN2P3 ; BMBF, DFG, and HGF ; GSRT ; OTKA and NKTH ; DAE and DST ; IPM ; SFI ; INFN ; NRF and WCU ; LAS ; CINVESTAV, CONACYT, SEP, and UASLP-FAI ; MSI ; PAEC ; MSHE and NSC ; FCT ; JINR ; MON, RosAtom, RAS and RFBR ; MSTD

Örnek Metin The transverse energy (E-T) in Pb-Pb collisions at 2.76 TeV nucleon-nucleon center-of-mass energy (root s(NN)) has been measured over a broad range of pseudorapidity (eta) and collision centrality by using the CMS detector at the LHC. The transverse energy density per unit pseudorapidity (dE(T)/d eta) increases faster with collision energy than the charged particle multiplicity. This implies that the mean energy per particle is increasing with collision energy. At all pseudorapidities, the transverse energy per participating nucleon increases with the centrality of the collision. The ratio of transverse energy per unit pseudorapidity in peripheral to central collisions varies significantly as the pseudorapidity increases from eta = 0 to vertical bar eta vertical bar = 5.0. For the 5% most central collisions, the energy density per unit volume is estimated to be about 14 GeV/fm(3) at a time of 1 fm/c after the collision. This is about 100 times larger than normal nuclear matter density and a factor of 2.6 times higher than the energy density reported at root s(NN) = 200 GeV at the Relativistic Heavy Ion Collider.

DOI 10.1103/PhysRevLett.109.152303

Cilt 109