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Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC

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Veröffentlicht in: The European physical journal / C 77(2017,10) Artikel-Nummer 658, 20 Seiten
Personen und Körperschaften: Acharya, Shreyasi (VerfasserIn), Angelov, Venelin (VerfasserIn), Arslandok, Mesut (VerfasserIn), Danisch, Meike (VerfasserIn), Deisting, Alexander (VerfasserIn), Glässel, Peter (VerfasserIn), Kim, Jiyoung (VerfasserIn), Klewin, Sebastian (VerfasserIn), Leardini, Lucia (VerfasserIn), Mercado Pérez, Jorge (VerfasserIn), Oeschler, Helmut (VerfasserIn), Ohlson, Alice (VerfasserIn), Pachmayer, Yvonne C. (VerfasserIn), Reygers, Klaus (VerfasserIn), Schicker, Rainer (VerfasserIn), Schmidt, Marten Ole (VerfasserIn), Schuchmann, Simone (VerfasserIn), Stachel, Johanna (VerfasserIn), Weiser, Dennis (VerfasserIn), Wilkinson, Jeremy (VerfasserIn), Windelband, Bernd (VerfasserIn), Zimmermann, Alice (VerfasserIn), ALICE Körperschaft (VerfasserIn)
Titel: Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC/ ALICE Collaboration*
Format: E-Book-Kapitel
Sprache: Englisch
veröffentlicht:
4 October 2017
Gesamtaufnahme: : The European physical journal / C, 77(2017,10) Artikel-Nummer 658, 20 Seiten
, volume:77
Quelle: Verbunddaten SWB
Lizenzfreie Online-Ressourcen
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author Acharya, Shreyasi, Angelov, Venelin, Arslandok, Mesut, Danisch, Meike, Deisting, Alexander, Glässel, Peter, Kim, Jiyoung, Klewin, Sebastian, Leardini, Lucia, Mercado Pérez, Jorge, Oeschler, Helmut, Ohlson, Alice, Pachmayer, Yvonne C., Reygers, Klaus, Schicker, Rainer, Schmidt, Marten Ole, Schuchmann, Simone, Stachel, Johanna, Weiser, Dennis, Wilkinson, Jeremy, Windelband, Bernd, Zimmermann, Alice
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contents The transverse momentum (pTpTp_\mathrm{T} ) spectra and elliptic flow coefficient (v2v2v_{2}) of deuterons and anti-deuterons at mid-rapidity (|y|<0.5|y|<0.5|y|<0.5) are measured with the ALICE detector at the LHC in Pb-Pb collisions at sNN−−−√sNN\sqrt{s_{\mathrm {NN}}} = 2.76 TeV. The measurement of the pTpTp_\mathrm{T} spectra of (anti-)deuterons is done up to 8 GeV/c/c/c in 0-10% centrality class and up to 6 GeV/c/c/c in 10-20% and 20-40% centrality classes. The v2v2v_{2} is measured in the 0.8 < pTpTp_\mathrm{T} < < <~5 GeV/c/c/c interval and in six different centrality intervals (0-5, 5-10, 10-20, 20-30, 30-40 and 40-50%) using the scalar product technique. Measured ππ\pi ±±^{\pm }, K±±^{\pm } and p+p¯¯¯p¯\overline{\mathrm {p}} transverse-momentum spectra and v2v2v_{2} are used to predict the deuteron pTpTp_\mathrm{T} spectra and v2v2v_{2} within the Blast-Wave model. The predictions are able to reproduce the v2v2v_{2} coefficient in the measured pTpTp_\mathrm{T} range and the transverse-momentum spectra for pTpTp_\mathrm{T} > 1.8 GeV/c/c/c within the experimental uncertainties. The measurement of the coalescence parameter B2B2B_2 is performed, showing a pTpTp_\mathrm{T} dependence in contrast with the simplest coalescence model, which fails to reproduce also the measured v2v2v_{2} coefficient. In addition, the coalescence parameter B2B2B_2 and the elliptic flow coefficient in the 20-40% centrality interval are compared with the AMPT model which is able, in its version without string melting, to reproduce the measured v2v2v_{2}(pTpTp_\mathrm{T} ) and the B2B2B_2(pTpTp_\mathrm{T} ) trend.
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footnote ALICE Collaboration: S. Acharya, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, P. Glässel, J. Kim, S. Klewin, L. Leardini, J. Mercado Pérez, H. Oeschler, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M.O. Schmidt, S. Schuchmann, J. Stachel, D.F. Weiser, J. Wilkinson, B. Windelband, A. Zimmermann [und weitere], Gesehen am 27.08.2018
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spelling ALICE Körperschaft VerfasserIn (DE-588)1082301221 (DE-627)847288862 (DE-576)455323844 aut, Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC ALICE Collaboration*, 4 October 2017, 20, Text txt rdacontent, Computermedien c rdamedia, Online-Ressource cr rdacarrier, ALICE Collaboration: S. Acharya, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, P. Glässel, J. Kim, S. Klewin, L. Leardini, J. Mercado Pérez, H. Oeschler, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M.O. Schmidt, S. Schuchmann, J. Stachel, D.F. Weiser, J. Wilkinson, B. Windelband, A. Zimmermann [und weitere], Gesehen am 27.08.2018, The transverse momentum (pTpTp_\mathrm{T} ) spectra and elliptic flow coefficient (v2v2v_{2}) of deuterons and anti-deuterons at mid-rapidity (|y|<0.5|y|<0.5|y|<0.5) are measured with the ALICE detector at the LHC in Pb-Pb collisions at sNN−−−√sNN\sqrt{s_{\mathrm {NN}}} = 2.76 TeV. The measurement of the pTpTp_\mathrm{T} spectra of (anti-)deuterons is done up to 8 GeV/c/c/c in 0-10% centrality class and up to 6 GeV/c/c/c in 10-20% and 20-40% centrality classes. The v2v2v_{2} is measured in the 0.8 < pTpTp_\mathrm{T} < < <~5 GeV/c/c/c interval and in six different centrality intervals (0-5, 5-10, 10-20, 20-30, 30-40 and 40-50%) using the scalar product technique. Measured ππ\pi ±±^{\pm }, K±±^{\pm } and p+p¯¯¯p¯\overline{\mathrm {p}} transverse-momentum spectra and v2v2v_{2} are used to predict the deuteron pTpTp_\mathrm{T} spectra and v2v2v_{2} within the Blast-Wave model. The predictions are able to reproduce the v2v2v_{2} coefficient in the measured pTpTp_\mathrm{T} range and the transverse-momentum spectra for pTpTp_\mathrm{T} > 1.8 GeV/c/c/c within the experimental uncertainties. The measurement of the coalescence parameter B2B2B_2 is performed, showing a pTpTp_\mathrm{T} dependence in contrast with the simplest coalescence model, which fails to reproduce also the measured v2v2v_{2} coefficient. In addition, the coalescence parameter B2B2B_2 and the elliptic flow coefficient in the 20-40% centrality interval are compared with the AMPT model which is able, in its version without string melting, to reproduce the measured v2v2v_{2}(pTpTp_\mathrm{T} ) and the B2B2B_2(pTpTp_\mathrm{T} ) trend., Acharya, Shreyasi VerfasserIn (DE-588)1187261750 (DE-627)1666379255 aut, Angelov, Venelin VerfasserIn (DE-588)1168033594 (DE-627)1031739378 (DE-576)511347898 aut, Arslandok, Mesut 1983- VerfasserIn (DE-588)1154897648 (DE-627)1016244266 (DE-576)501308075 aut, Danisch, Meike 1989- VerfasserIn (DE-588)116803518X (DE-627)1031740236 (DE-576)511347901 aut, Deisting, Alexander 1989- VerfasserIn (DE-588)1154513815 (DE-627)1015806686 (DE-576)501055851 aut, Glässel, Peter 1943- VerfasserIn (DE-588)1145396682 (DE-627)1006532641 (DE-576)161124941 aut, Kim, Jiyoung VerfasserIn (DE-588)1168036607 (DE-627)1031740996 (DE-576)511347944 aut, Klewin, Sebastian 1988- VerfasserIn (DE-588)1168038472 (DE-627)1031742395 (DE-576)511347960 aut, Leardini, Lucia VerfasserIn (DE-588)1147989826 (DE-627)100747873X (DE-576)496125990 aut, Mercado Pérez, Jorge VerfasserIn (DE-588)13685253X (DE-627)587814438 (DE-576)301310459 aut, Oeschler, Helmut 1945-2017 VerfasserIn (DE-588)1165251833 (DE-627)1029374686 (DE-576)510325203 aut, Ohlson, Alice VerfasserIn (DE-588)1161747443 (DE-627)1025198476 (DE-576)506841731 aut, Pachmayer, Yvonne C. 1978- VerfasserIn (DE-588)136314643 (DE-627)579320073 (DE-576)300957858 aut, Reygers, Klaus 1969- VerfasserIn (DE-588)121899594 (DE-627)705695018 (DE-576)292945892 aut, Schicker, Rainer 1954- VerfasserIn (DE-588)1049567250 (DE-627)782323898 (DE-576)403559995 aut, Schmidt, Marten Ole 1990- VerfasserIn (DE-588)1168048370 (DE-627)1031746315 (DE-576)511347987 aut, Schuchmann, Simone 1983- VerfasserIn (DE-588)1075382998 (DE-627)833245643 (DE-576)443444218 aut, Stachel, Johanna 1954- VerfasserIn (DE-588)1012800016 (DE-627)699791340 (DE-576)345952251 aut, Weiser, Dennis 1990- VerfasserIn (DE-588)1168049393 (DE-627)1031747117 (DE-576)511347995 aut, Wilkinson, Jeremy VerfasserIn (DE-588)1113604530 (DE-627)867653787 (DE-576)477012507 aut, Windelband, Bernd VerfasserIn (DE-588)1049522419 (DE-627)782236499 (DE-576)403526108 aut, Zimmermann, Alice VerfasserIn (DE-588)1049522427 (DE-627)782236502 (DE-576)403526094 aut, Enthalten in The European physical journal / C Berlin : Springer, 1998 77(2017,10) Artikel-Nummer 658, 20 Seiten Online-Ressource (DE-627)253722934 (DE-600)1459069-4 (DE-576)072372664 1434-6052 nnns, volume:77 year:2017 number:10 extent:20, http://dx.doi.org/10.1140/epjc/s10052-017-5222-x Verlag Resolving-System kostenfrei Volltext, https://doi.org/10.1140/epjc/s10052-017-5222-x Verlag kostenfrei Volltext, http://dx.doi.org/10.1140/epjc/s10052-017-5222-x LFER, LFER 2018-10-10T00:00:00Z
spellingShingle Acharya, Shreyasi, Angelov, Venelin, Arslandok, Mesut, Danisch, Meike, Deisting, Alexander, Glässel, Peter, Kim, Jiyoung, Klewin, Sebastian, Leardini, Lucia, Mercado Pérez, Jorge, Oeschler, Helmut, Ohlson, Alice, Pachmayer, Yvonne C., Reygers, Klaus, Schicker, Rainer, Schmidt, Marten Ole, Schuchmann, Simone, Stachel, Johanna, Weiser, Dennis, Wilkinson, Jeremy, Windelband, Bernd, Zimmermann, Alice, Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC, The transverse momentum (pTpTp_\mathrm{T} ) spectra and elliptic flow coefficient (v2v2v_{2}) of deuterons and anti-deuterons at mid-rapidity (|y|<0.5|y|<0.5|y|<0.5) are measured with the ALICE detector at the LHC in Pb-Pb collisions at sNN−−−√sNN\sqrt{s_{\mathrm {NN}}} = 2.76 TeV. The measurement of the pTpTp_\mathrm{T} spectra of (anti-)deuterons is done up to 8 GeV/c/c/c in 0-10% centrality class and up to 6 GeV/c/c/c in 10-20% and 20-40% centrality classes. The v2v2v_{2} is measured in the 0.8 < pTpTp_\mathrm{T} < < <~5 GeV/c/c/c interval and in six different centrality intervals (0-5, 5-10, 10-20, 20-30, 30-40 and 40-50%) using the scalar product technique. Measured ππ\pi ±±^{\pm }, K±±^{\pm } and p+p¯¯¯p¯\overline{\mathrm {p}} transverse-momentum spectra and v2v2v_{2} are used to predict the deuteron pTpTp_\mathrm{T} spectra and v2v2v_{2} within the Blast-Wave model. The predictions are able to reproduce the v2v2v_{2} coefficient in the measured pTpTp_\mathrm{T} range and the transverse-momentum spectra for pTpTp_\mathrm{T} > 1.8 GeV/c/c/c within the experimental uncertainties. The measurement of the coalescence parameter B2B2B_2 is performed, showing a pTpTp_\mathrm{T} dependence in contrast with the simplest coalescence model, which fails to reproduce also the measured v2v2v_{2} coefficient. In addition, the coalescence parameter B2B2B_2 and the elliptic flow coefficient in the 20-40% centrality interval are compared with the AMPT model which is able, in its version without string melting, to reproduce the measured v2v2v_{2}(pTpTp_\mathrm{T} ) and the B2B2B_2(pTpTp_\mathrm{T} ) trend.
swb_id_str 511351445
title Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC
title_auth Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC
title_full Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC ALICE Collaboration*
title_fullStr Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC ALICE Collaboration*
title_full_unstemmed Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC ALICE Collaboration*
title_in_hierarchy Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC / ALICE Collaboration*,
title_short Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN=2.76 TeV at the LHC
title_sort measurement of deuteron spectra and elliptic flow in pb pb collisions at √snn 2 76 tev at the lhc
url http://dx.doi.org/10.1140/epjc/s10052-017-5222-x, https://doi.org/10.1140/epjc/s10052-017-5222-x