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<p>We calculate the away-side hadron-triggered modification factor <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4270_Article_IEq1.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="29" /> </InlineMediaObject> <EquationSource Format="TEX">\({{I}_{{AA}}}\)</EquationSource> <!--JETPLet2560817Zakharov-m1--> </InlineEquation> in <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4270_Article_IEq2.gif" Format="GIF" Height="14" Rendition="HTML" Resolution="72" Type="Linedraw" Width="30" /> </InlineMediaObject> <EquationSource Format="TEX">\(AA\)</EquationSource> <!--JETPLet2560817Zakharov-m2--> </InlineEquation> collisions at RHIC and LHC energies for scenarios with and without quark–gluon plasma formation in <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4270_Article_IEq3.gif" Format="GIF" Height="12" Rendition="HTML" Resolution="72" Type="Linedraw" Width="22" /> </InlineMediaObject> <EquationSource Format="TEX">\(pp\)</EquationSource> <!--JETPLet2560817Zakharov-m3--> </InlineEquation> collision. We find that for both scenarios theoretical results for <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4270_Article_IEq1.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="29" /> </InlineMediaObject> <EquationSource Format="TEX">\({{I}_{{AA}}}\)</EquationSource> <!--JETPLet2560817Zakharov-m4--> </InlineEquation> agree well with the available data for 2.76 TeV Pb + Pb and 0.2 TeV Au + Au collisions. We make predictions for <InlineEquation ID="IEq5"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4270_Article_IEq1.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="29" /> </InlineMediaObject> <EquationSource Format="TEX">\({{I}_{{AA}}}\)</EquationSource> <!--JETPLet2560817Zakharov-m5--> </InlineEquation> in 7 TeV O + O collisions that are planned at the LHC. Our results show that measuring <InlineEquation ID="IEq6"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4270_Article_IEq6.gif" Format="GIF" Height="16" Rendition="HTML" Resolution="72" Type="Linedraw" Width="29" /> </InlineMediaObject> <EquationSource Format="TEX">\({{I}_{{OO}}}\)</EquationSource> <!--JETPLet2560817Zakharov-m6--> </InlineEquation> in the whole centrality interval and at small centrality (<InlineEquation ID="IEq7"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4270_Article_IEq7.gif" Format="GIF" Height="18" Rendition="HTML" Resolution="72" Type="Linedraw" Width="28" /> </InlineMediaObject> <EquationSource Format="TEX">\( \lesssim 5\)</EquationSource> <!--JETPLet2560817Zakharov-m7--> </InlineEquation>%) may give information on the presence of jet quenching in <InlineEquation ID="IEq8"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="11448_2025_4270_Article_IEq3.gif" Format="GIF" Height="12" Rendition="HTML" Resolution="72" Type="Linedraw" Width="22" /> </InlineMediaObject> <EquationSource Format="TEX">\(pp\)</EquationSource> <!--JETPLet2560817Zakharov-m8--> </InlineEquation> collisions.</p>

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Nuclear Modification Factor IAA in AA Collisions at RHIC and LHC Energies in Scenarios with and without Quark–Gluon Plasma Formation in pp Collisions

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  • 发表日期：

    2025年8月25日

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  • B. G. Zakharov

摘要

We calculate the away-side hadron-triggered modification factor \({{I}_{{AA}}}\) in \(AA\) collisions at RHIC and LHC energies for scenarios with and without quark–gluon plasma formation in \(pp\) collision. We find that for both scenarios theoretical results for \({{I}_{{AA}}}\) agree well with the available data for 2.76 TeV Pb + Pb and 0.2 TeV Au + Au collisions. We make predictions for \({{I}_{{AA}}}\) in 7 TeV O + O collisions that are planned at the LHC. Our results show that measuring \({{I}_{{OO}}}\) in the whole centrality interval and at small centrality ( \( \lesssim 5\) %) may give information on the presence of jet quenching in \(pp\) collisions.