Transverse momentum dependence of η meson suppression in Au+Au collisions at √sNN=200 GeV
New measurements by the PHENIX experiment at the Relativistic Heavy Ion Collider for η production at midrapidity as a function of transverse momentum (pT) and collision centrality in √sNN=200 GeV Au+Au and p+p collisions are presented. They indicate nuclear modification factors (RAA) which are simil...
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| Veröffentlicht in: | Physical review. C 2010-07, Vol.82 (1) |
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| creator | Adare, A. Afanasiev, S. Aidala, C. Ajitanand, N.N. Akiba, Y. Al-Bataineh, H. Alexander, J. Aoki, K. Aphecetche, Laurent Aramaki, Y. Asai, J. Atomssa, E. T. Averbeck, R. C. Awes, T. Azmoun, B. Babintsev, V. Bai, M. Baksay, G. Baksay, L. Baldisseri, A. N. Barish, K. D. Barnes, P. Bassalleck, B. T. Basye, A. Bathe, S. Batsouli, S. Baublis, V. Baumann, Cédric Bazilevsky, A. Belikov, S. Belmont, R. Bennett, R. Berdnikov, A. Berdnikov, Y. A. Bickley, A. G. Boissevain, J. S. Bok, J. Borel, H. Boyle, K. L. Brooks, M. Buesching, H. Bumazhnov, V. Bunce, G. Butsyk, S. Muñoz Camacho, C. Campbell, S. S. Chang, B. C. Chang, W. Charvet, J.-L. Chen, C.-H. Chernichenko, S. Y. Chi, C. Chiu, M. J. Choi, I. K. Choudhury, R. Christiansen, P. Chujo, T. Chung, P. Churyn, A. Chvala, O. Cianciolo, V. Citron, Z. A. Cole, B. Connors, M. Constantin, P. Csanád, M. Csörgő, T. Dahms, T. Dairaku, S. Danchev, I. Das, K. Datta, A. David, G. Denisov, A. d'Enterria, D. Deshpande, A. J. Desmond, E. Dietzsch, O. Dion, A. Donadelli, M. Drapier, O. Drees, A. A. Drees, K. K. Dubey, A. M. Durham, J. Durum, A. Dutta, D. Dzhordzhadze, V. Edwards, S. V. Efremenko, Y. Ellinghaus, F. Engelmore, T. Enokizono, A. En'Yo, H. Esumi, S. O. Eyser, K. Fadem, B. E. Fields, D. Finger, M. Fleuret, F. |
| description | New measurements by the PHENIX experiment at the Relativistic Heavy Ion Collider for η production at midrapidity as a function of transverse momentum (pT) and collision centrality in √sNN=200 GeV Au+Au and p+p collisions are presented. They indicate nuclear modification factors (RAA) which are similar in both magnitude and trend to those found in earlier π0 measurements. Linear fits to RAA as a function of pT in 5-20 GeV/c show that the slope is consistent with zero within two standard deviations at all centralities, although a slow rise cannot be excluded. Having different statistical and systematic uncertainties, the π0 and η measurements are complementary at high pT; thus, along with the extended pT range of these data they can provide additional constraints for theoretical modeling and the extraction of transport properties. |
| doi_str_mv | 10.1103/PhysRevC.82.011902 |
| format | Article |
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T. ; Averbeck, R. ; C. Awes, T. ; Azmoun, B. ; Babintsev, V. ; Bai, M. ; Baksay, G. ; Baksay, L. ; Baldisseri, A. ; N. Barish, K. ; D. Barnes, P. ; Bassalleck, B. ; T. Basye, A. ; Bathe, S. ; Batsouli, S. ; Baublis, V. ; Baumann, Cédric ; Bazilevsky, A. ; Belikov, S. ; Belmont, R. ; Bennett, R. ; Berdnikov, A. ; Berdnikov, Y. ; A. Bickley, A. ; G. Boissevain, J. ; S. Bok, J. ; Borel, H. ; Boyle, K. ; L. Brooks, M. ; Buesching, H. ; Bumazhnov, V. ; Bunce, G. ; Butsyk, S. ; Muñoz Camacho, C. ; Campbell, S. ; S. Chang, B. ; C. Chang, W. ; Charvet, J.-L. ; Chen, C.-H. ; Chernichenko, S. ; Y. Chi, C. ; Chiu, M. ; J. Choi, I. ; K. Choudhury, R. ; Christiansen, P. ; Chujo, T. ; Chung, P. ; Churyn, A. ; Chvala, O. ; Cianciolo, V. ; Citron, Z. ; A. Cole, B. ; Connors, M. ; Constantin, P. ; Csanád, M. ; Csörgő, T. ; Dahms, T. ; Dairaku, S. ; Danchev, I. ; Das, K. ; Datta, A. ; David, G. ; Denisov, A. ; d'Enterria, D. ; Deshpande, A. ; J. Desmond, E. ; Dietzsch, O. ; Dion, A. ; Donadelli, M. ; Drapier, O. ; Drees, A. ; A. Drees, K. ; K. Dubey, A. ; M. Durham, J. ; Durum, A. ; Dutta, D. ; Dzhordzhadze, V. ; Edwards, S. ; V. Efremenko, Y. ; Ellinghaus, F. ; Engelmore, T. ; Enokizono, A. ; En'Yo, H. ; Esumi, S. ; O. Eyser, K. ; Fadem, B. ; E. Fields, D. ; Finger, M. ; Fleuret, F.</creator><creatorcontrib>Adare, A. ; Afanasiev, S. ; Aidala, C. ; Ajitanand, N.N. ; Akiba, Y. ; Al-Bataineh, H. ; Alexander, J. ; Aoki, K. ; Aphecetche, Laurent ; Aramaki, Y. ; Asai, J. ; Atomssa, E. T. ; Averbeck, R. ; C. Awes, T. ; Azmoun, B. ; Babintsev, V. ; Bai, M. ; Baksay, G. ; Baksay, L. ; Baldisseri, A. ; N. Barish, K. ; D. Barnes, P. ; Bassalleck, B. ; T. Basye, A. ; Bathe, S. ; Batsouli, S. ; Baublis, V. ; Baumann, Cédric ; Bazilevsky, A. ; Belikov, S. ; Belmont, R. ; Bennett, R. ; Berdnikov, A. ; Berdnikov, Y. ; A. Bickley, A. ; G. Boissevain, J. ; S. Bok, J. ; Borel, H. ; Boyle, K. ; L. Brooks, M. ; Buesching, H. ; Bumazhnov, V. ; Bunce, G. ; Butsyk, S. ; Muñoz Camacho, C. ; Campbell, S. ; S. Chang, B. ; C. Chang, W. ; Charvet, J.-L. ; Chen, C.-H. ; Chernichenko, S. ; Y. Chi, C. ; Chiu, M. ; J. Choi, I. ; K. Choudhury, R. ; Christiansen, P. ; Chujo, T. ; Chung, P. ; Churyn, A. ; Chvala, O. ; Cianciolo, V. ; Citron, Z. ; A. Cole, B. ; Connors, M. ; Constantin, P. ; Csanád, M. ; Csörgő, T. ; Dahms, T. ; Dairaku, S. ; Danchev, I. ; Das, K. ; Datta, A. ; David, G. ; Denisov, A. ; d'Enterria, D. ; Deshpande, A. ; J. Desmond, E. ; Dietzsch, O. ; Dion, A. ; Donadelli, M. ; Drapier, O. ; Drees, A. ; A. Drees, K. ; K. Dubey, A. ; M. Durham, J. ; Durum, A. ; Dutta, D. ; Dzhordzhadze, V. ; Edwards, S. ; V. Efremenko, Y. ; Ellinghaus, F. ; Engelmore, T. ; Enokizono, A. ; En'Yo, H. ; Esumi, S. ; O. Eyser, K. ; Fadem, B. ; E. Fields, D. ; Finger, M. ; Fleuret, F. ; Brookhaven National Laboratory (BNL) Relativistic Heavy Ion Collider</creatorcontrib><description>New measurements by the PHENIX experiment at the Relativistic Heavy Ion Collider for η production at midrapidity as a function of transverse momentum (pT) and collision centrality in √sNN=200 GeV Au+Au and p+p collisions are presented. They indicate nuclear modification factors (RAA) which are similar in both magnitude and trend to those found in earlier π0 measurements. Linear fits to RAA as a function of pT in 5-20 GeV/c show that the slope is consistent with zero within two standard deviations at all centralities, although a slow rise cannot be excluded. Having different statistical and systematic uncertainties, the π0 and η measurements are complementary at high pT; thus, along with the extended pT range of these data they can provide additional constraints for theoretical modeling and the extraction of transport properties.</description><identifier>ISSN: 2469-9985</identifier><identifier>ISSN: 0556-2813</identifier><identifier>EISSN: 2469-9993</identifier><identifier>EISSN: 1089-490X</identifier><identifier>DOI: 10.1103/PhysRevC.82.011902</identifier><language>eng</language><publisher>United States: American Physical Society</publisher><subject>GOLD IONS ; High Energy Physics - Experiment ; ION COLLISIONS ; MESONS ; MODIFICATIONS ; PARTICLE PRODUCTION ; Physics ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; PIONS NEUTRAL ; PROTON-PROTON INTERACTIONS ; relativistic heavy ion collider ; TRANSVERSE MOMENTUM</subject><ispartof>Physical review. 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Fields, D.</creatorcontrib><creatorcontrib>Finger, M.</creatorcontrib><creatorcontrib>Fleuret, F.</creatorcontrib><creatorcontrib>Brookhaven National Laboratory (BNL) Relativistic Heavy Ion Collider</creatorcontrib><title>Transverse momentum dependence of η meson suppression in Au+Au collisions at √sNN=200 GeV</title><title>Physical review. C</title><description>New measurements by the PHENIX experiment at the Relativistic Heavy Ion Collider for η production at midrapidity as a function of transverse momentum (pT) and collision centrality in √sNN=200 GeV Au+Au and p+p collisions are presented. They indicate nuclear modification factors (RAA) which are similar in both magnitude and trend to those found in earlier π0 measurements. Linear fits to RAA as a function of pT in 5-20 GeV/c show that the slope is consistent with zero within two standard deviations at all centralities, although a slow rise cannot be excluded. Having different statistical and systematic uncertainties, the π0 and η measurements are complementary at high pT; thus, along with the extended pT range of these data they can provide additional constraints for theoretical modeling and the extraction of transport properties.</description><subject>GOLD IONS</subject><subject>High Energy Physics - Experiment</subject><subject>ION COLLISIONS</subject><subject>MESONS</subject><subject>MODIFICATIONS</subject><subject>PARTICLE PRODUCTION</subject><subject>Physics</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>PIONS NEUTRAL</subject><subject>PROTON-PROTON INTERACTIONS</subject><subject>relativistic heavy ion collider</subject><subject>TRANSVERSE MOMENTUM</subject><issn>2469-9985</issn><issn>0556-2813</issn><issn>2469-9993</issn><issn>1089-490X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNo9jEFKw0AYRgdRsNRewNW4Lq3_zCSZ-RcuQtFWKFWkuhLCJJmQkWQSMkmhN_AMXsRbeAhPYqXi6ns8Hh8hlwzmjIG4fiz3_snsFnPF58AYAj8hIx5EOENEcfrPKjwnE-_fAIBFgJLBiLxuO-38znTe0LqpjeuHmuamNS43LjO0KejXJ62Nbxz1Q9t2xnt7YOtoPEzjgWZNVdlf5anu6ff7h99sbjgAXZqXC3JW6Mqbyd-OyfPd7Xaxmq0flveLeD0rmeD9LEqRRxAyiSCZ5DnmoAvFUiGDIC1ErkFIxCBFKSOTZkUoo0JgqkykD0ozMSZXx9_G9zbxme1NVmaNcybrE1RKKjw002NT6ippO1vrbp802iareJ1Yx1uRAISgVIA7Jn4AsfRl0A</recordid><startdate>20100729</startdate><enddate>20100729</enddate><creator>Adare, A.</creator><creator>Afanasiev, S.</creator><creator>Aidala, C.</creator><creator>Ajitanand, N.N.</creator><creator>Akiba, Y.</creator><creator>Al-Bataineh, H.</creator><creator>Alexander, J.</creator><creator>Aoki, K.</creator><creator>Aphecetche, Laurent</creator><creator>Aramaki, Y.</creator><creator>Asai, J.</creator><creator>Atomssa, E. 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Eyser, K.</creator><creator>Fadem, B.</creator><creator>E. Fields, D.</creator><creator>Finger, M.</creator><creator>Fleuret, F.</creator><general>American Physical Society</general><scope>1XC</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-4202-3740</orcidid><orcidid>https://orcid.org/0000-0003-3701-8119</orcidid><orcidid>https://orcid.org/0000-0001-7662-3878</orcidid><orcidid>https://orcid.org/0000-0002-1275-7292</orcidid><orcidid>https://orcid.org/0000-0003-0866-7523</orcidid></search><sort><creationdate>20100729</creationdate><title>Transverse momentum dependence of η meson suppression in Au+Au collisions at √sNN=200 GeV</title><author>Adare, A. ; Afanasiev, S. ; Aidala, C. ; Ajitanand, N.N. ; Akiba, Y. ; Al-Bataineh, H. ; Alexander, J. ; Aoki, K. ; Aphecetche, Laurent ; Aramaki, Y. ; Asai, J. ; Atomssa, E. T. ; Averbeck, R. ; C. Awes, T. ; Azmoun, B. ; Babintsev, V. ; Bai, M. ; Baksay, G. ; Baksay, L. ; Baldisseri, A. ; N. Barish, K. ; D. Barnes, P. ; Bassalleck, B. ; T. Basye, A. ; Bathe, S. ; Batsouli, S. ; Baublis, V. ; Baumann, Cédric ; Bazilevsky, A. ; Belikov, S. ; Belmont, R. ; Bennett, R. ; Berdnikov, A. ; Berdnikov, Y. ; A. Bickley, A. ; G. Boissevain, J. ; S. Bok, J. ; Borel, H. ; Boyle, K. ; L. Brooks, M. ; Buesching, H. ; Bumazhnov, V. ; Bunce, G. ; Butsyk, S. ; Muñoz Camacho, C. ; Campbell, S. ; S. Chang, B. ; C. Chang, W. ; Charvet, J.-L. ; Chen, C.-H. ; Chernichenko, S. ; Y. Chi, C. ; Chiu, M. ; J. Choi, I. ; K. Choudhury, R. ; Christiansen, P. ; Chujo, T. ; Chung, P. ; Churyn, A. ; Chvala, O. ; Cianciolo, V. ; Citron, Z. ; A. Cole, B. ; Connors, M. ; Constantin, P. ; Csanád, M. ; Csörgő, T. ; Dahms, T. ; Dairaku, S. ; Danchev, I. ; Das, K. ; Datta, A. ; David, G. ; Denisov, A. ; d'Enterria, D. ; Deshpande, A. ; J. Desmond, E. ; Dietzsch, O. ; Dion, A. ; Donadelli, M. ; Drapier, O. ; Drees, A. ; A. Drees, K. ; K. Dubey, A. ; M. Durham, J. ; Durum, A. ; Dutta, D. ; Dzhordzhadze, V. ; Edwards, S. ; V. Efremenko, Y. ; Ellinghaus, F. ; Engelmore, T. ; Enokizono, A. ; En'Yo, H. ; Esumi, S. ; O. Eyser, K. ; Fadem, B. ; E. Fields, D. ; Finger, M. ; Fleuret, F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-h132t-6b9260517907172d9d0af81b3744bf3da037994b9776ebcf576f39b8e6a977a13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>GOLD IONS</topic><topic>High Energy Physics - Experiment</topic><topic>ION COLLISIONS</topic><topic>MESONS</topic><topic>MODIFICATIONS</topic><topic>PARTICLE PRODUCTION</topic><topic>Physics</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>PIONS NEUTRAL</topic><topic>PROTON-PROTON INTERACTIONS</topic><topic>relativistic heavy ion collider</topic><topic>TRANSVERSE MOMENTUM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adare, A.</creatorcontrib><creatorcontrib>Afanasiev, S.</creatorcontrib><creatorcontrib>Aidala, C.</creatorcontrib><creatorcontrib>Ajitanand, N.N.</creatorcontrib><creatorcontrib>Akiba, Y.</creatorcontrib><creatorcontrib>Al-Bataineh, H.</creatorcontrib><creatorcontrib>Alexander, J.</creatorcontrib><creatorcontrib>Aoki, K.</creatorcontrib><creatorcontrib>Aphecetche, Laurent</creatorcontrib><creatorcontrib>Aramaki, Y.</creatorcontrib><creatorcontrib>Asai, J.</creatorcontrib><creatorcontrib>Atomssa, E. T.</creatorcontrib><creatorcontrib>Averbeck, R.</creatorcontrib><creatorcontrib>C. Awes, T.</creatorcontrib><creatorcontrib>Azmoun, B.</creatorcontrib><creatorcontrib>Babintsev, V.</creatorcontrib><creatorcontrib>Bai, M.</creatorcontrib><creatorcontrib>Baksay, G.</creatorcontrib><creatorcontrib>Baksay, L.</creatorcontrib><creatorcontrib>Baldisseri, A.</creatorcontrib><creatorcontrib>N. Barish, K.</creatorcontrib><creatorcontrib>D. Barnes, P.</creatorcontrib><creatorcontrib>Bassalleck, B.</creatorcontrib><creatorcontrib>T. 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Brooks, M.</creatorcontrib><creatorcontrib>Buesching, H.</creatorcontrib><creatorcontrib>Bumazhnov, V.</creatorcontrib><creatorcontrib>Bunce, G.</creatorcontrib><creatorcontrib>Butsyk, S.</creatorcontrib><creatorcontrib>Muñoz Camacho, C.</creatorcontrib><creatorcontrib>Campbell, S.</creatorcontrib><creatorcontrib>S. Chang, B.</creatorcontrib><creatorcontrib>C. Chang, W.</creatorcontrib><creatorcontrib>Charvet, J.-L.</creatorcontrib><creatorcontrib>Chen, C.-H.</creatorcontrib><creatorcontrib>Chernichenko, S.</creatorcontrib><creatorcontrib>Y. Chi, C.</creatorcontrib><creatorcontrib>Chiu, M.</creatorcontrib><creatorcontrib>J. Choi, I.</creatorcontrib><creatorcontrib>K. Choudhury, R.</creatorcontrib><creatorcontrib>Christiansen, P.</creatorcontrib><creatorcontrib>Chujo, T.</creatorcontrib><creatorcontrib>Chung, P.</creatorcontrib><creatorcontrib>Churyn, A.</creatorcontrib><creatorcontrib>Chvala, O.</creatorcontrib><creatorcontrib>Cianciolo, V.</creatorcontrib><creatorcontrib>Citron, Z.</creatorcontrib><creatorcontrib>A. Cole, B.</creatorcontrib><creatorcontrib>Connors, M.</creatorcontrib><creatorcontrib>Constantin, P.</creatorcontrib><creatorcontrib>Csanád, M.</creatorcontrib><creatorcontrib>Csörgő, T.</creatorcontrib><creatorcontrib>Dahms, T.</creatorcontrib><creatorcontrib>Dairaku, S.</creatorcontrib><creatorcontrib>Danchev, I.</creatorcontrib><creatorcontrib>Das, K.</creatorcontrib><creatorcontrib>Datta, A.</creatorcontrib><creatorcontrib>David, G.</creatorcontrib><creatorcontrib>Denisov, A.</creatorcontrib><creatorcontrib>d'Enterria, D.</creatorcontrib><creatorcontrib>Deshpande, A.</creatorcontrib><creatorcontrib>J. Desmond, E.</creatorcontrib><creatorcontrib>Dietzsch, O.</creatorcontrib><creatorcontrib>Dion, A.</creatorcontrib><creatorcontrib>Donadelli, M.</creatorcontrib><creatorcontrib>Drapier, O.</creatorcontrib><creatorcontrib>Drees, A.</creatorcontrib><creatorcontrib>A. Drees, K.</creatorcontrib><creatorcontrib>K. Dubey, A.</creatorcontrib><creatorcontrib>M. Durham, J.</creatorcontrib><creatorcontrib>Durum, A.</creatorcontrib><creatorcontrib>Dutta, D.</creatorcontrib><creatorcontrib>Dzhordzhadze, V.</creatorcontrib><creatorcontrib>Edwards, S.</creatorcontrib><creatorcontrib>V. Efremenko, Y.</creatorcontrib><creatorcontrib>Ellinghaus, F.</creatorcontrib><creatorcontrib>Engelmore, T.</creatorcontrib><creatorcontrib>Enokizono, A.</creatorcontrib><creatorcontrib>En'Yo, H.</creatorcontrib><creatorcontrib>Esumi, S.</creatorcontrib><creatorcontrib>O. Eyser, K.</creatorcontrib><creatorcontrib>Fadem, B.</creatorcontrib><creatorcontrib>E. Fields, D.</creatorcontrib><creatorcontrib>Finger, M.</creatorcontrib><creatorcontrib>Fleuret, F.</creatorcontrib><creatorcontrib>Brookhaven National Laboratory (BNL) Relativistic Heavy Ion Collider</creatorcontrib><collection>Hyper Article en Ligne (HAL)</collection><collection>OSTI.GOV</collection><jtitle>Physical review. C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adare, A.</au><au>Afanasiev, S.</au><au>Aidala, C.</au><au>Ajitanand, N.N.</au><au>Akiba, Y.</au><au>Al-Bataineh, H.</au><au>Alexander, J.</au><au>Aoki, K.</au><au>Aphecetche, Laurent</au><au>Aramaki, Y.</au><au>Asai, J.</au><au>Atomssa, E. T.</au><au>Averbeck, R.</au><au>C. Awes, T.</au><au>Azmoun, B.</au><au>Babintsev, V.</au><au>Bai, M.</au><au>Baksay, G.</au><au>Baksay, L.</au><au>Baldisseri, A.</au><au>N. Barish, K.</au><au>D. Barnes, P.</au><au>Bassalleck, B.</au><au>T. Basye, A.</au><au>Bathe, S.</au><au>Batsouli, S.</au><au>Baublis, V.</au><au>Baumann, Cédric</au><au>Bazilevsky, A.</au><au>Belikov, S.</au><au>Belmont, R.</au><au>Bennett, R.</au><au>Berdnikov, A.</au><au>Berdnikov, Y.</au><au>A. Bickley, A.</au><au>G. Boissevain, J.</au><au>S. Bok, J.</au><au>Borel, H.</au><au>Boyle, K.</au><au>L. Brooks, M.</au><au>Buesching, H.</au><au>Bumazhnov, V.</au><au>Bunce, G.</au><au>Butsyk, S.</au><au>Muñoz Camacho, C.</au><au>Campbell, S.</au><au>S. Chang, B.</au><au>C. Chang, W.</au><au>Charvet, J.-L.</au><au>Chen, C.-H.</au><au>Chernichenko, S.</au><au>Y. Chi, C.</au><au>Chiu, M.</au><au>J. Choi, I.</au><au>K. Choudhury, R.</au><au>Christiansen, P.</au><au>Chujo, T.</au><au>Chung, P.</au><au>Churyn, A.</au><au>Chvala, O.</au><au>Cianciolo, V.</au><au>Citron, Z.</au><au>A. Cole, B.</au><au>Connors, M.</au><au>Constantin, P.</au><au>Csanád, M.</au><au>Csörgő, T.</au><au>Dahms, T.</au><au>Dairaku, S.</au><au>Danchev, I.</au><au>Das, K.</au><au>Datta, A.</au><au>David, G.</au><au>Denisov, A.</au><au>d'Enterria, D.</au><au>Deshpande, A.</au><au>J. Desmond, E.</au><au>Dietzsch, O.</au><au>Dion, A.</au><au>Donadelli, M.</au><au>Drapier, O.</au><au>Drees, A.</au><au>A. Drees, K.</au><au>K. Dubey, A.</au><au>M. Durham, J.</au><au>Durum, A.</au><au>Dutta, D.</au><au>Dzhordzhadze, V.</au><au>Edwards, S.</au><au>V. Efremenko, Y.</au><au>Ellinghaus, F.</au><au>Engelmore, T.</au><au>Enokizono, A.</au><au>En'Yo, H.</au><au>Esumi, S.</au><au>O. Eyser, K.</au><au>Fadem, B.</au><au>E. Fields, D.</au><au>Finger, M.</au><au>Fleuret, F.</au><aucorp>Brookhaven National Laboratory (BNL) Relativistic Heavy Ion Collider</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transverse momentum dependence of η meson suppression in Au+Au collisions at √sNN=200 GeV</atitle><jtitle>Physical review. C</jtitle><date>2010-07-29</date><risdate>2010</risdate><volume>82</volume><issue>1</issue><issn>2469-9985</issn><issn>0556-2813</issn><eissn>2469-9993</eissn><eissn>1089-490X</eissn><abstract>New measurements by the PHENIX experiment at the Relativistic Heavy Ion Collider for η production at midrapidity as a function of transverse momentum (pT) and collision centrality in √sNN=200 GeV Au+Au and p+p collisions are presented. They indicate nuclear modification factors (RAA) which are similar in both magnitude and trend to those found in earlier π0 measurements. Linear fits to RAA as a function of pT in 5-20 GeV/c show that the slope is consistent with zero within two standard deviations at all centralities, although a slow rise cannot be excluded. Having different statistical and systematic uncertainties, the π0 and η measurements are complementary at high pT; thus, along with the extended pT range of these data they can provide additional constraints for theoretical modeling and the extraction of transport properties.</abstract><cop>United States</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevC.82.011902</doi><orcidid>https://orcid.org/0000-0002-4202-3740</orcidid><orcidid>https://orcid.org/0000-0003-3701-8119</orcidid><orcidid>https://orcid.org/0000-0001-7662-3878</orcidid><orcidid>https://orcid.org/0000-0002-1275-7292</orcidid><orcidid>https://orcid.org/0000-0003-0866-7523</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2469-9985 |
| ispartof | Physical review. C, 2010-07, Vol.82 (1) |
| issn | 2469-9985 0556-2813 2469-9993 1089-490X |
| language | eng |
| recordid | cdi_osti_scitechconnect_988789 |
| source | American Physical Society Journals |
| subjects | GOLD IONS High Energy Physics - Experiment ION COLLISIONS MESONS MODIFICATIONS PARTICLE PRODUCTION Physics PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PIONS NEUTRAL PROTON-PROTON INTERACTIONS relativistic heavy ion collider TRANSVERSE MOMENTUM |
| title | Transverse momentum dependence of η meson suppression in Au+Au collisions at √sNN=200 GeV |
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