Centrality, rapidity and transverse momentum dependence of suppression in Pb-Pb collisions at
详细信息    查看全文
文摘
The inclusive mmlsi1" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si1.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=48db15ede796b96ee06ce2ca52efbc59" title="Click to view the MathML source">J/蠄mathContainer hidden">mathCode"><math altimg="si1.gif" overflow="scroll"><mi mathvariant="normal">Jmi><mo stretchy="false">/mo><mi>蠄mi>math> nuclear modification factor (mmlsi3" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si3.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=b07645b0d213443d1fec445e73852d62" title="Click to view the MathML source">RAAmathContainer hidden">mathCode"><math altimg="si3.gif" overflow="scroll"><msub><mrow><mi>Rmi>mrow><mrow><mi mathvariant="normal">AAmi>mrow>msub>math>) in Pb–Pb collisions at mmlsi2" class="mathmlsrc">mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si2.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=4f9cc1fc4cc05ff3657360bf3bfaf834">mg class="imgLazyJSB inlineImage" height="15" width="105" alt="View the MathML source" style="margin-top: -5px; vertical-align: middle" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0370269314003748-si2.gif">mathContainer hidden">mathCode"><math altimg="si2.gif" overflow="scroll"><msqrt><msub><mrow><mi>smi>mrow><mrow><mi mathvariant="normal">NNmi>mrow>msub>msqrt><mo>=mo><mn>2.76mn><mtext> mtext><mtext>TeVmtext>math> has been measured by ALICE as a function of centrality in the mmlsi4" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si4.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=7d25ac953bf502da77674dd31a6c0e81" title="Click to view the MathML source">e+e&minus;mathContainer hidden">mathCode"><math altimg="si4.gif" overflow="scroll"><msup><mrow><mi>emi>mrow><mrow><mo>+mo>mrow>msup><msup><mrow><mi>emi>mrow><mrow><mo>&minus;mo>mrow>msup>math> decay channel at mid-rapidity (mmlsi5" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si5.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=5a55d3bdf3e8025a2254183dabb9695e" title="Click to view the MathML source">|y|<0.8mathContainer hidden">mathCode"><math altimg="si5.gif" overflow="scroll"><mo stretchy="false">|mo><mi>ymi><mo stretchy="false">|mo><mo><mo><mn>0.8mn>math>) and as a function of centrality, transverse momentum and rapidity in the mmlsi6" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si6.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=f40ce584877ce9b837fddae1279201cf" title="Click to view the MathML source">渭+&minus;mathContainer hidden">mathCode"><math altimg="si6.gif" overflow="scroll"><msup><mrow><mi>渭mi>mrow><mrow><mo>+mo>mrow>msup><msup><mrow><mi>渭mi>mrow><mrow><mo>&minus;mo>mrow>msup>math> decay channel at forward-rapidity (mmlsi7" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si7.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=e1658f9ee713eabb850e55e4a1610696" title="Click to view the MathML source">2.5<y<4mathContainer hidden">mathCode"><math altimg="si7.gif" overflow="scroll"><mn>2.5mn><mo><mo><mi>ymi><mo><mo><mn>4mn>math>). The mmlsi1" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si1.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=48db15ede796b96ee06ce2ca52efbc59" title="Click to view the MathML source">J/蠄mathContainer hidden">mathCode"><math altimg="si1.gif" overflow="scroll"><mi mathvariant="normal">Jmi><mo stretchy="false">/mo><mi>蠄mi>math> yields measured in Pb–Pb are suppressed compared to those in pp collisions scaled by the number of binary collisions. The mmlsi3" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si3.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=b07645b0d213443d1fec445e73852d62" title="Click to view the MathML source">RAAmathContainer hidden">mathCode"><math altimg="si3.gif" overflow="scroll"><msub><mrow><mi>Rmi>mrow><mrow><mi mathvariant="normal">AAmi>mrow>msub>math> integrated over a centrality range corresponding to 90% of the inelastic Pb–Pb cross section is mmlsi8" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si8.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=ce6232a89b03a18b4f3f0ddad9a4372a" title="Click to view the MathML source">0.72&plusmn;0.06(stat.)&plusmn;0.10(syst.)mathContainer hidden">mathCode"><math altimg="si8.gif" overflow="scroll"><mn>0.72mn><mo>&plusmn;mo><mn>0.06mn><mo stretchy="false">(mo><mtext>stat.mtext><mo stretchy="false">)mo><mo>&plusmn;mo><mn>0.10mn><mo stretchy="false">(mo><mtext>syst.mtext><mo stretchy="false">)mo>math> at mid-rapidity and mmlsi9" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si9.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=a73c104d04d6dc4dda289a637d05780a" title="Click to view the MathML source">0.58&plusmn;0.01(stat.)&plusmn;0.09(syst.)mathContainer hidden">mathCode"><math altimg="si9.gif" overflow="scroll"><mn>0.58mn><mo>&plusmn;mo><mn>0.01mn><mo stretchy="false">(mo><mtext>stat.mtext><mo stretchy="false">)mo><mo>&plusmn;mo><mn>0.09mn><mo stretchy="false">(mo><mtext>syst.mtext><mo stretchy="false">)mo>math> at forward-rapidity. At low transverse momentum, significantly larger values of mmlsi3" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si3.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=b07645b0d213443d1fec445e73852d62" title="Click to view the MathML source">RAAmathContainer hidden">mathCode"><math altimg="si3.gif" overflow="scroll"><msub><mrow><mi>Rmi>mrow><mrow><mi mathvariant="normal">AAmi>mrow>msub>math> are measured at forward-rapidity compared to measurements at lower energy. These features suggest that a contribution to the mmlsi1" class="mathmlsrc">mulatext stixSupport mathImg" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S0370269314003748&_mathId=si1.gif&_user=111111111&_pii=S0370269314003748&_rdoc=1&_issn=03702693&md5=48db15ede796b96ee06ce2ca52efbc59" title="Click to view the MathML source">J/蠄mathContainer hidden">mathCode"><math altimg="si1.gif" overflow="scroll"><mi mathvariant="normal">Jmi><mo stretchy="false">/mo><mi>蠄mi>math> yield originates from charm quark (re)combination in the deconfined partonic medium.
NGLC 2004-2010.National Geological Library of China All Rights Reserved.
Add:29 Xueyuan Rd,Haidian District,Beijing,PRC. Mail Add: 8324 mailbox 100083
For exchange or info please contact us via email.