Elliptic Flow of Charm and Strange Hadrons in High-Multiplicity p+Pb Collisions at sNN=8.16 TeV
The elliptic azimuthal anisotropy coefficient (v2) is measured for charm (D0) and strange (KS0, Λ, Ξ−, and Ω−) hadrons, using a data sample of p+Pb collisions collected by the CMS experiment, at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. A significant positive v2 signal from long-range...
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| Veröffentlicht in: | Physical review letters 2018-08, Vol.121 (8), p.082301 |
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| creator | Sirunyan, A M |
| description | The elliptic azimuthal anisotropy coefficient (v2) is measured for charm (D0) and strange (KS0, Λ, Ξ−, and Ω−) hadrons, using a data sample of p+Pb collisions collected by the CMS experiment, at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. A significant positive v2 signal from long-range azimuthal correlations is observed for all particle species in high-multiplicity p+Pb collisions. The measurement represents the first observation of possible long-range collectivity for open heavy flavor hadrons in small systems. The results suggest that charm quarks have a smaller v2 than the lighter quarks, probably reflecting a weaker collective behavior. This effect is not seen in the larger PbPb collision system at sNN=5.02 TeV, also presented. |
| doi_str_mv | 10.1103/PhysRevLett.121.082301 |
| format | Article |
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A significant positive v2 signal from long-range azimuthal correlations is observed for all particle species in high-multiplicity p+Pb collisions. The measurement represents the first observation of possible long-range collectivity for open heavy flavor hadrons in small systems. The results suggest that charm quarks have a smaller v2 than the lighter quarks, probably reflecting a weaker collective behavior. This effect is not seen in the larger PbPb collision system at sNN=5.02 TeV, also presented.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.121.082301</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Anisotropy ; Charm (particle physics) ; Collective flow ; Collisions ; Flavor (particle physics) ; Hadrons ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; Particle & resonance production ; Particle correlations & fluctuations ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; Quarks ; Relativistic heavy-ion collisions</subject><ispartof>Physical review letters, 2018-08, Vol.121 (8), p.082301</ispartof><rights>Copyright American Physical Society Aug 24, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,27924,27925</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1465877$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Sirunyan, A M</creatorcontrib><creatorcontrib>Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)</creatorcontrib><creatorcontrib>Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)</creatorcontrib><creatorcontrib>University of Illinois, Chicago, IL (United States)</creatorcontrib><title>Elliptic Flow of Charm and Strange Hadrons in High-Multiplicity p+Pb Collisions at sNN=8.16 TeV</title><title>Physical review letters</title><description>The elliptic azimuthal anisotropy coefficient (v2) is measured for charm (D0) and strange (KS0, Λ, Ξ−, and Ω−) hadrons, using a data sample of p+Pb collisions collected by the CMS experiment, at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. A significant positive v2 signal from long-range azimuthal correlations is observed for all particle species in high-multiplicity p+Pb collisions. The measurement represents the first observation of possible long-range collectivity for open heavy flavor hadrons in small systems. The results suggest that charm quarks have a smaller v2 than the lighter quarks, probably reflecting a weaker collective behavior. This effect is not seen in the larger PbPb collision system at sNN=5.02 TeV, also presented.</description><subject>Anisotropy</subject><subject>Charm (particle physics)</subject><subject>Collective flow</subject><subject>Collisions</subject><subject>Flavor (particle physics)</subject><subject>Hadrons</subject><subject>NUCLEAR PHYSICS AND RADIATION PHYSICS</subject><subject>Particle & resonance production</subject><subject>Particle correlations & fluctuations</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>Quarks</subject><subject>Relativistic heavy-ion collisions</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNotjkFLwzAYhoMoOKd_QYIepTVfsjXpwYOUzQlzDp1eS5qka0ZtapMpu3n1b_pLrEx44b08PDwInQOJAQi7XlY7_2Q-5iaEGCjERFBG4AANgPA04gCjQzQghEGUEsKP0Yn3G0II0EQMkJ7UtW2DVXhau0_sSpxVsnvDstH4OXSyWRs8k7pzjce2wTO7rqKHbR1sW1tlww63V8sCZ663ePsHyYD9YnEjYkh-vr77rczrKToqZe3N2f8P0ct0sspm0fzx7j67nUcO6DhEIIw2WgNjxOiEFdRoXkgpmDGKqhJSCpSnVCpeUlVIwsZKjYoiFTKRQgvOhuhi73U-2Nz3fUZVyjWNUSGHUTIW_A-63ENt5963xod847Zd03flvZ8A54Qy9gsZ-mf_</recordid><startdate>20180821</startdate><enddate>20180821</enddate><creator>Sirunyan, A M</creator><general>American Physical Society</general><general>American Physical Society (APS)</general><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20180821</creationdate><title>Elliptic Flow of Charm and Strange Hadrons in High-Multiplicity p+Pb Collisions at sNN=8.16 TeV</title><author>Sirunyan, A M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-o125t-18ededd1330ed63b2ed7baa83eec2cf19212792ac7f2cba035cc4bb98a6a8d873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Anisotropy</topic><topic>Charm (particle physics)</topic><topic>Collective flow</topic><topic>Collisions</topic><topic>Flavor (particle physics)</topic><topic>Hadrons</topic><topic>NUCLEAR PHYSICS AND RADIATION PHYSICS</topic><topic>Particle & resonance production</topic><topic>Particle correlations & fluctuations</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>Quarks</topic><topic>Relativistic heavy-ion collisions</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sirunyan, A M</creatorcontrib><creatorcontrib>Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)</creatorcontrib><creatorcontrib>Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)</creatorcontrib><creatorcontrib>University of Illinois, Chicago, IL (United States)</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sirunyan, A M</au><aucorp>Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)</aucorp><aucorp>Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)</aucorp><aucorp>University of Illinois, Chicago, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Elliptic Flow of Charm and Strange Hadrons in High-Multiplicity p+Pb Collisions at sNN=8.16 TeV</atitle><jtitle>Physical review letters</jtitle><date>2018-08-21</date><risdate>2018</risdate><volume>121</volume><issue>8</issue><spage>082301</spage><pages>082301-</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>The elliptic azimuthal anisotropy coefficient (v2) is measured for charm (D0) and strange (KS0, Λ, Ξ−, and Ω−) hadrons, using a data sample of p+Pb collisions collected by the CMS experiment, at a nucleon-nucleon center-of-mass energy of sNN=8.16 TeV. A significant positive v2 signal from long-range azimuthal correlations is observed for all particle species in high-multiplicity p+Pb collisions. The measurement represents the first observation of possible long-range collectivity for open heavy flavor hadrons in small systems. The results suggest that charm quarks have a smaller v2 than the lighter quarks, probably reflecting a weaker collective behavior. This effect is not seen in the larger PbPb collision system at sNN=5.02 TeV, also presented.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevLett.121.082301</doi></addata></record> |
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| ispartof | Physical review letters, 2018-08, Vol.121 (8), p.082301 |
| issn | 0031-9007 1079-7114 |
| language | eng |
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| source | American Physical Society Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Anisotropy Charm (particle physics) Collective flow Collisions Flavor (particle physics) Hadrons NUCLEAR PHYSICS AND RADIATION PHYSICS Particle & resonance production Particle correlations & fluctuations PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Quarks Relativistic heavy-ion collisions |
| title | Elliptic Flow of Charm and Strange Hadrons in High-Multiplicity p+Pb Collisions at sNN=8.16 TeV |
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