Suppression of Υ(1S)at forward rapidity in Pb–Pb collisions at √sNN=2.76TeV
We report on the measurement of the inclusive Υ (1S) production in Pb–Pb collisions at √ s NN = 2.76 TeV carried out at forward rapidity (2.5 < y < 4) and down to zero transverse momentum using its μ + μ − decay channel with the ALICE detector at the Large Hadron Collider. A strong suppression...
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| Veröffentlicht in: | Physics letters. B 2014, Vol.738, p.361-372 |
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| creator | Borel, H. Castillo Castellanos, J. Baldisseri, A. Charvet, J. -L. Rakotozafindrabe, A. Abelev, B. Aphecetche, Laurent Belikov, I. Cheshkov, C. Batigne, Guillaume Cheynis, B. Delagrange, H. Ducroux, L. Erazmus, B. Estienne, Magali Grossiord, J.-Y. Guilbaud, Maxime Lardeux, A. Maire, A. Martinez Garcia, Gines Martin Blanco, J. Mas, A. Massacrier, L. Molnar, L. Morreale, A. Pillot, Philippe Ronflette, L. Roy, C. Schutz, Y. Shabetai, Alexandre Stocco, Diego Tieulent, R. Uras, A. Vernet, R. Wang, M. Zoccarato, Y. Conesa Balbastre, G. Faivre, J. Furget, C. Guernane, R. Kox, S. Real, J.S. Silvestre, C. Baek, Y.W. Barret, V. Bastid, N. Crochet, P. Dupieux, P. Li, S. Lopez, X. Manso, F. Marchisone, M. Porteboeuf-Houssais, S. Rosnet, P. Vulpescu, B. Conesa del Valle, Z. Das, I. Espagnon, B. Hadjidakis, C. Lakomov, I. Suire, C. Tapia Takaki J., D. Valencia Palomo, L. Collaboration, For The Alice |
| description | We report on the measurement of the inclusive Υ (1S) production in Pb–Pb collisions at √ s NN = 2.76 TeV carried out at forward rapidity (2.5 < y < 4) and down to zero transverse momentum using its μ + μ − decay channel with the ALICE detector at the Large Hadron Collider. A strong suppression of the inclusive Υ (1S) yield is observed with respect to pp collisions scaled by the number of independent nucleon– nucleon collisions. The nuclear modification factor, for events in the 0–90% centrality range, amounts to 0.30 ± 0.05(stat) ± 0.04(syst). The observed Υ (1S) suppression tends to increase with the centrality of the collision and seems more pronounced than in corresponding mid-rapidity measurements. Our results are compared with model calculations, which are found to underestimate the measured suppression and fail to reproduce its rapidity dependence. (creativecommons.org/licenses/by/3.0/). Funded by SCOAP 3 . |
| doi_str_mv | 10.1016/j.physletb.2014.10.001 |
| format | Article |
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B</title><description>We report on the measurement of the inclusive Υ (1S) production in Pb–Pb collisions at √ s NN = 2.76 TeV carried out at forward rapidity (2.5 < y < 4) and down to zero transverse momentum using its μ + μ − decay channel with the ALICE detector at the Large Hadron Collider. A strong suppression of the inclusive Υ (1S) yield is observed with respect to pp collisions scaled by the number of independent nucleon– nucleon collisions. The nuclear modification factor, for events in the 0–90% centrality range, amounts to 0.30 ± 0.05(stat) ± 0.04(syst). The observed Υ (1S) suppression tends to increase with the centrality of the collision and seems more pronounced than in corresponding mid-rapidity measurements. Our results are compared with model calculations, which are found to underestimate the measured suppression and fail to reproduce its rapidity dependence. (creativecommons.org/licenses/by/3.0/). 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Castillo Castellanos, J. ; Baldisseri, A. ; Charvet, J. -L. ; Rakotozafindrabe, A. ; Abelev, B. ; Aphecetche, Laurent ; Belikov, I. ; Cheshkov, C. ; Batigne, Guillaume ; Cheynis, B. ; Delagrange, H. ; Ducroux, L. ; Erazmus, B. ; Estienne, Magali ; Grossiord, J.-Y. ; Guilbaud, Maxime ; Lardeux, A. ; Maire, A. ; Martinez Garcia, Gines ; Martin Blanco, J. ; Mas, A. ; Massacrier, L. ; Molnar, L. ; Morreale, A. ; Pillot, Philippe ; Ronflette, L. ; Roy, C. ; Schutz, Y. ; Shabetai, Alexandre ; Stocco, Diego ; Tieulent, R. ; Uras, A. ; Vernet, R. ; Wang, M. ; Zoccarato, Y. ; Conesa Balbastre, G. ; Faivre, J. ; Furget, C. ; Guernane, R. ; Kox, S. ; Real, J.S. ; Silvestre, C. ; Baek, Y.W. ; Barret, V. ; Bastid, N. ; Crochet, P. ; Dupieux, P. ; Li, S. ; Lopez, X. ; Manso, F. ; Marchisone, M. ; Porteboeuf-Houssais, S. ; Rosnet, P. ; Vulpescu, B. ; Conesa del Valle, Z. ; Das, I. ; Espagnon, B. ; Hadjidakis, C. ; Lakomov, I. ; Suire, C. ; Tapia Takaki J., D. ; Valencia Palomo, L. ; Collaboration, For The Alice</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-hal_primary_oai_HAL_in2p3_00993274v23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Nuclear Experiment</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Borel, H.</creatorcontrib><creatorcontrib>Castillo Castellanos, J.</creatorcontrib><creatorcontrib>Baldisseri, A.</creatorcontrib><creatorcontrib>Charvet, J. -L.</creatorcontrib><creatorcontrib>Rakotozafindrabe, A.</creatorcontrib><creatorcontrib>Abelev, B.</creatorcontrib><creatorcontrib>Aphecetche, Laurent</creatorcontrib><creatorcontrib>Belikov, I.</creatorcontrib><creatorcontrib>Cheshkov, C.</creatorcontrib><creatorcontrib>Batigne, Guillaume</creatorcontrib><creatorcontrib>Cheynis, B.</creatorcontrib><creatorcontrib>Delagrange, H.</creatorcontrib><creatorcontrib>Ducroux, L.</creatorcontrib><creatorcontrib>Erazmus, B.</creatorcontrib><creatorcontrib>Estienne, Magali</creatorcontrib><creatorcontrib>Grossiord, J.-Y.</creatorcontrib><creatorcontrib>Guilbaud, Maxime</creatorcontrib><creatorcontrib>Lardeux, A.</creatorcontrib><creatorcontrib>Maire, A.</creatorcontrib><creatorcontrib>Martinez Garcia, Gines</creatorcontrib><creatorcontrib>Martin Blanco, J.</creatorcontrib><creatorcontrib>Mas, A.</creatorcontrib><creatorcontrib>Massacrier, L.</creatorcontrib><creatorcontrib>Molnar, L.</creatorcontrib><creatorcontrib>Morreale, A.</creatorcontrib><creatorcontrib>Pillot, Philippe</creatorcontrib><creatorcontrib>Ronflette, L.</creatorcontrib><creatorcontrib>Roy, C.</creatorcontrib><creatorcontrib>Schutz, Y.</creatorcontrib><creatorcontrib>Shabetai, Alexandre</creatorcontrib><creatorcontrib>Stocco, Diego</creatorcontrib><creatorcontrib>Tieulent, R.</creatorcontrib><creatorcontrib>Uras, A.</creatorcontrib><creatorcontrib>Vernet, R.</creatorcontrib><creatorcontrib>Wang, M.</creatorcontrib><creatorcontrib>Zoccarato, Y.</creatorcontrib><creatorcontrib>Conesa Balbastre, G.</creatorcontrib><creatorcontrib>Faivre, J.</creatorcontrib><creatorcontrib>Furget, C.</creatorcontrib><creatorcontrib>Guernane, R.</creatorcontrib><creatorcontrib>Kox, S.</creatorcontrib><creatorcontrib>Real, J.S.</creatorcontrib><creatorcontrib>Silvestre, C.</creatorcontrib><creatorcontrib>Baek, Y.W.</creatorcontrib><creatorcontrib>Barret, V.</creatorcontrib><creatorcontrib>Bastid, N.</creatorcontrib><creatorcontrib>Crochet, P.</creatorcontrib><creatorcontrib>Dupieux, P.</creatorcontrib><creatorcontrib>Li, S.</creatorcontrib><creatorcontrib>Lopez, X.</creatorcontrib><creatorcontrib>Manso, F.</creatorcontrib><creatorcontrib>Marchisone, M.</creatorcontrib><creatorcontrib>Porteboeuf-Houssais, S.</creatorcontrib><creatorcontrib>Rosnet, P.</creatorcontrib><creatorcontrib>Vulpescu, B.</creatorcontrib><creatorcontrib>Conesa del Valle, Z.</creatorcontrib><creatorcontrib>Das, I.</creatorcontrib><creatorcontrib>Espagnon, B.</creatorcontrib><creatorcontrib>Hadjidakis, C.</creatorcontrib><creatorcontrib>Lakomov, I.</creatorcontrib><creatorcontrib>Suire, C.</creatorcontrib><creatorcontrib>Tapia Takaki J., D.</creatorcontrib><creatorcontrib>Valencia Palomo, L.</creatorcontrib><creatorcontrib>Collaboration, For The Alice</creatorcontrib><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Physics letters. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Borel, H.</au><au>Castillo Castellanos, J.</au><au>Baldisseri, A.</au><au>Charvet, J. -L.</au><au>Rakotozafindrabe, A.</au><au>Abelev, B.</au><au>Aphecetche, Laurent</au><au>Belikov, I.</au><au>Cheshkov, C.</au><au>Batigne, Guillaume</au><au>Cheynis, B.</au><au>Delagrange, H.</au><au>Ducroux, L.</au><au>Erazmus, B.</au><au>Estienne, Magali</au><au>Grossiord, J.-Y.</au><au>Guilbaud, Maxime</au><au>Lardeux, A.</au><au>Maire, A.</au><au>Martinez Garcia, Gines</au><au>Martin Blanco, J.</au><au>Mas, A.</au><au>Massacrier, L.</au><au>Molnar, L.</au><au>Morreale, A.</au><au>Pillot, Philippe</au><au>Ronflette, L.</au><au>Roy, C.</au><au>Schutz, Y.</au><au>Shabetai, Alexandre</au><au>Stocco, Diego</au><au>Tieulent, R.</au><au>Uras, A.</au><au>Vernet, R.</au><au>Wang, M.</au><au>Zoccarato, Y.</au><au>Conesa Balbastre, G.</au><au>Faivre, J.</au><au>Furget, C.</au><au>Guernane, R.</au><au>Kox, S.</au><au>Real, J.S.</au><au>Silvestre, C.</au><au>Baek, Y.W.</au><au>Barret, V.</au><au>Bastid, N.</au><au>Crochet, P.</au><au>Dupieux, P.</au><au>Li, S.</au><au>Lopez, X.</au><au>Manso, F.</au><au>Marchisone, M.</au><au>Porteboeuf-Houssais, S.</au><au>Rosnet, P.</au><au>Vulpescu, B.</au><au>Conesa del Valle, Z.</au><au>Das, I.</au><au>Espagnon, B.</au><au>Hadjidakis, C.</au><au>Lakomov, I.</au><au>Suire, C.</au><au>Tapia Takaki J., D.</au><au>Valencia Palomo, L.</au><au>Collaboration, For The Alice</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Suppression of Υ(1S)at forward rapidity in Pb–Pb collisions at √sNN=2.76TeV</atitle><jtitle>Physics letters. B</jtitle><date>2014</date><risdate>2014</risdate><volume>738</volume><spage>361</spage><epage>372</epage><pages>361-372</pages><issn>0370-2693</issn><abstract>We report on the measurement of the inclusive Υ (1S) production in Pb–Pb collisions at √ s NN = 2.76 TeV carried out at forward rapidity (2.5 < y < 4) and down to zero transverse momentum using its μ + μ − decay channel with the ALICE detector at the Large Hadron Collider. A strong suppression of the inclusive Υ (1S) yield is observed with respect to pp collisions scaled by the number of independent nucleon– nucleon collisions. The nuclear modification factor, for events in the 0–90% centrality range, amounts to 0.30 ± 0.05(stat) ± 0.04(syst). The observed Υ (1S) suppression tends to increase with the centrality of the collision and seems more pronounced than in corresponding mid-rapidity measurements. Our results are compared with model calculations, which are found to underestimate the measured suppression and fail to reproduce its rapidity dependence. (creativecommons.org/licenses/by/3.0/). Funded by SCOAP 3 .</abstract><pub>Elsevier</pub><doi>10.1016/j.physletb.2014.10.001</doi><orcidid>https://orcid.org/0000-0001-5283-3520</orcidid><orcidid>https://orcid.org/0000-0002-8657-6742</orcidid><orcidid>https://orcid.org/0000-0001-7662-3878</orcidid><orcidid>https://orcid.org/0000-0001-8638-6300</orcidid><orcidid>https://orcid.org/0000-0002-5377-5163</orcidid><orcidid>https://orcid.org/0009-0004-9666-7156</orcidid><orcidid>https://orcid.org/0000-0002-9067-0803</orcidid><orcidid>https://orcid.org/0000-0003-3069-726X</orcidid><orcidid>https://orcid.org/0000-0002-2646-6189</orcidid><orcidid>https://orcid.org/0000-0003-1584-783X</orcidid><orcidid>https://orcid.org/0000-0001-5920-6271</orcidid><orcidid>https://orcid.org/0000-0003-0687-5580</orcidid><orcidid>https://orcid.org/0000-0001-5990-482X</orcidid><orcidid>https://orcid.org/0000-0003-3069-726X</orcidid><orcidid>https://orcid.org/0000-0001-7662-3878</orcidid><orcidid>https://orcid.org/0000-0002-9067-0803</orcidid><orcidid>https://orcid.org/0000-0002-8657-6742</orcidid><orcidid>https://orcid.org/0000-0003-0687-5580</orcidid><orcidid>https://orcid.org/0000-0001-5283-3520</orcidid><orcidid>https://orcid.org/0000-0001-5920-6271</orcidid><orcidid>https://orcid.org/0000-0001-5990-482X</orcidid><orcidid>https://orcid.org/0000-0001-8638-6300</orcidid><orcidid>https://orcid.org/0000-0002-5377-5163</orcidid><orcidid>https://orcid.org/0000-0003-1584-783X</orcidid><orcidid>https://orcid.org/0000-0002-2646-6189</orcidid><orcidid>https://orcid.org/0009-0004-9666-7156</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0370-2693 |
| ispartof | Physics letters. B, 2014, Vol.738, p.361-372 |
| issn | 0370-2693 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_in2p3_00993274v2 |
| source | Elsevier ScienceDirect Journals Complete; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Nuclear Experiment Physics |
| title | Suppression of Υ(1S)at forward rapidity in Pb–Pb collisions at √sNN=2.76TeV |
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