Underlying event characteristics and their dependence on jet size of charged-particle jet events in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
Distributions sensitive to the underlying event are studied in events containing one or more charged-particle jets produced in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector at the Large Hadron Collider (LHC). These measurements reflect 800 inverse microbarns of data taken during 2010. Jet...
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creator | Aad, G. Albrand, S. Buat, Q. Clement, B. Collot, J. Crépé-Renaudin, S. Dechenaux, B. Delemontex, T. Delsart, P.A. Genest, M.H. Hostachy, J.Y. Laisne, E. Ledroit-Guillon, F. Lleres, A. Lucotte, A. Malek, F. Polci, F. Stark, J. Sun, X. Trocmé, B. Wang, J. Weydert, C. Biscarat, C. Cogneras, E. Rahal, G. Abdel Khalek, S. Abreu, H. Andari, N. Arnault, C. Augé, E. Barrillon, P. Benoit, M. Binet, S. Bourdarios, C. de La Taille, C. de Vivie de Regie, J.B. Duflot, L. Escalier, M. Fayard, L. Fournier, D. Grivaz, J.-F. Henrot-Versillé, S. Hrivnac, J. Iconomidou-Fayard, L. Idarraga, J. Kado, M. Lorenzo Martinez, N. Lounis, A. Makovec, N. Matricon, P. Niedercorn, F. Poggioli, L. Puzo, P. Renaud, A. Rousseau, D. Rybkin, G. Sauvan, J.B. Schaarschmidt, J. Schaffer, A.C. Serin, L. Simion, S. Tanaka, R. Teinturier, M. Veillet, J.J. Vukotic, I. Wicek, F. Zerwas, D. Zhang, Zhiqing Vannucci, F. Aoun, S. Bee, C. P. Bertella, C. Bousson, N. Clémens, J. C. Coadou, Y. Djama, F. Etienne, F. Feligioni, L. Henry-Couannier, F. Hoffmann, D. Hubaut, F. Knoops, E. B. F. G. Le Guirriec, E. Li, B. Maurer, J. Monnier, E. Odier, J. Pralavorio, P. Qian, Z. Rozanov, A. Talby, M. Tannoury, N. Tisserant, S. Toth, J. Touchard, F. Vacavant, L. Aperio Bella, L. Aubert, B. Berger, N. Colas, J. |
description | Distributions sensitive to the underlying event are studied in events containing one or more charged-particle jets produced in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector at the Large Hadron Collider (LHC). These measurements reflect 800 inverse microbarns of data taken during 2010. Jets are reconstructed using the antikt algorithm with radius parameter R varying between 0.2 and 1.0. Distributions of the charged-particle multiplicity, the scalar sum of the transverse momentum of charged particles, and the average charged-particle pT are measured as functions of pT^JET in regions transverse to and opposite the leading jet for 4 GeV < pT^JET < 100 GeV. In addition, the R-dependence of the mean values of these observables is studied. In the transverse region, both the multiplicity and the scalar sum of the transverse momentum at fixed pT^JET vary significantly with R, while the average charged-particle transverse momentum has a minimal dependence on R. Predictions from several Monte Carlo tunes have been compared to the data; the predictions from Pythia 6, based on tunes that have been determined using LHC data, show reasonable agreement with the data, including the dependence on R. Comparisons with other generators indicate that additional tuning of soft-QCD parameters is necessary for these generators. The measurements presented here provide a testing ground for further development of the Monte Carlo models. |
doi_str_mv | 10.1103/PhysRevD.86.072004 |
format | Article |
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G. ; Le Guirriec, E. ; Li, B. ; Maurer, J. ; Monnier, E. ; Odier, J. ; Pralavorio, P. ; Qian, Z. ; Rozanov, A. ; Talby, M. ; Tannoury, N. ; Tisserant, S. ; Toth, J. ; Touchard, F. ; Vacavant, L. ; Aperio Bella, L. ; Aubert, B. ; Berger, N. ; Colas, J.</creator><creatorcontrib>Aad, G. ; Albrand, S. ; Buat, Q. ; Clement, B. ; Collot, J. ; Crépé-Renaudin, S. ; Dechenaux, B. ; Delemontex, T. ; Delsart, P.A. ; Genest, M.H. ; Hostachy, J.Y. ; Laisne, E. ; Ledroit-Guillon, F. ; Lleres, A. ; Lucotte, A. ; Malek, F. ; Polci, F. ; Stark, J. ; Sun, X. ; Trocmé, B. ; Wang, J. ; Weydert, C. ; Biscarat, C. ; Cogneras, E. ; Rahal, G. ; Abdel Khalek, S. ; Abreu, H. ; Andari, N. ; Arnault, C. ; Augé, E. ; Barrillon, P. ; Benoit, M. ; Binet, S. ; Bourdarios, C. ; de La Taille, C. ; de Vivie de Regie, J.B. ; Duflot, L. ; Escalier, M. ; Fayard, L. ; Fournier, D. ; Grivaz, J.-F. ; Henrot-Versillé, S. ; Hrivnac, J. ; Iconomidou-Fayard, L. ; Idarraga, J. ; Kado, M. ; Lorenzo Martinez, N. ; Lounis, A. ; Makovec, N. ; Matricon, P. ; Niedercorn, F. ; Poggioli, L. ; Puzo, P. ; Renaud, A. ; Rousseau, D. ; Rybkin, G. ; Sauvan, J.B. ; Schaarschmidt, J. ; Schaffer, A.C. ; Serin, L. ; Simion, S. ; Tanaka, R. ; Teinturier, M. ; Veillet, J.J. ; Vukotic, I. ; Wicek, F. ; Zerwas, D. ; Zhang, Zhiqing ; Vannucci, F. ; Aoun, S. ; Bee, C. P. ; Bertella, C. ; Bousson, N. ; Clémens, J. C. ; Coadou, Y. ; Djama, F. ; Etienne, F. ; Feligioni, L. ; Henry-Couannier, F. ; Hoffmann, D. ; Hubaut, F. ; Knoops, E. B. F. G. ; Le Guirriec, E. ; Li, B. ; Maurer, J. ; Monnier, E. ; Odier, J. ; Pralavorio, P. ; Qian, Z. ; Rozanov, A. ; Talby, M. ; Tannoury, N. ; Tisserant, S. ; Toth, J. ; Touchard, F. ; Vacavant, L. ; Aperio Bella, L. ; Aubert, B. ; Berger, N. ; Colas, J.</creatorcontrib><description>Distributions sensitive to the underlying event are studied in events containing one or more charged-particle jets produced in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector at the Large Hadron Collider (LHC). These measurements reflect 800 inverse microbarns of data taken during 2010. Jets are reconstructed using the antikt algorithm with radius parameter R varying between 0.2 and 1.0. Distributions of the charged-particle multiplicity, the scalar sum of the transverse momentum of charged particles, and the average charged-particle pT are measured as functions of pT^JET in regions transverse to and opposite the leading jet for 4 GeV < pT^JET < 100 GeV. In addition, the R-dependence of the mean values of these observables is studied. In the transverse region, both the multiplicity and the scalar sum of the transverse momentum at fixed pT^JET vary significantly with R, while the average charged-particle transverse momentum has a minimal dependence on R. Predictions from several Monte Carlo tunes have been compared to the data; the predictions from Pythia 6, based on tunes that have been determined using LHC data, show reasonable agreement with the data, including the dependence on R. Comparisons with other generators indicate that additional tuning of soft-QCD parameters is necessary for these generators. The measurements presented here provide a testing ground for further development of the Monte Carlo models.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.86.072004</identifier><language>eng</language><publisher>American Physical Society</publisher><subject>High Energy Physics - Experiment ; Physics</subject><ispartof>Physical review. 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P.</creatorcontrib><creatorcontrib>Bertella, C.</creatorcontrib><creatorcontrib>Bousson, N.</creatorcontrib><creatorcontrib>Clémens, J. C.</creatorcontrib><creatorcontrib>Coadou, Y.</creatorcontrib><creatorcontrib>Djama, F.</creatorcontrib><creatorcontrib>Etienne, F.</creatorcontrib><creatorcontrib>Feligioni, L.</creatorcontrib><creatorcontrib>Henry-Couannier, F.</creatorcontrib><creatorcontrib>Hoffmann, D.</creatorcontrib><creatorcontrib>Hubaut, F.</creatorcontrib><creatorcontrib>Knoops, E. B. F. G.</creatorcontrib><creatorcontrib>Le Guirriec, E.</creatorcontrib><creatorcontrib>Li, B.</creatorcontrib><creatorcontrib>Maurer, J.</creatorcontrib><creatorcontrib>Monnier, E.</creatorcontrib><creatorcontrib>Odier, J.</creatorcontrib><creatorcontrib>Pralavorio, P.</creatorcontrib><creatorcontrib>Qian, Z.</creatorcontrib><creatorcontrib>Rozanov, A.</creatorcontrib><creatorcontrib>Talby, M.</creatorcontrib><creatorcontrib>Tannoury, N.</creatorcontrib><creatorcontrib>Tisserant, S.</creatorcontrib><creatorcontrib>Toth, J.</creatorcontrib><creatorcontrib>Touchard, F.</creatorcontrib><creatorcontrib>Vacavant, L.</creatorcontrib><creatorcontrib>Aperio Bella, L.</creatorcontrib><creatorcontrib>Aubert, B.</creatorcontrib><creatorcontrib>Berger, N.</creatorcontrib><creatorcontrib>Colas, J.</creatorcontrib><title>Underlying event characteristics and their dependence on jet size of charged-particle jet events in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector</title><title>Physical review. D</title><description>Distributions sensitive to the underlying event are studied in events containing one or more charged-particle jets produced in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector at the Large Hadron Collider (LHC). These measurements reflect 800 inverse microbarns of data taken during 2010. Jets are reconstructed using the antikt algorithm with radius parameter R varying between 0.2 and 1.0. Distributions of the charged-particle multiplicity, the scalar sum of the transverse momentum of charged particles, and the average charged-particle pT are measured as functions of pT^JET in regions transverse to and opposite the leading jet for 4 GeV < pT^JET < 100 GeV. In addition, the R-dependence of the mean values of these observables is studied. In the transverse region, both the multiplicity and the scalar sum of the transverse momentum at fixed pT^JET vary significantly with R, while the average charged-particle transverse momentum has a minimal dependence on R. Predictions from several Monte Carlo tunes have been compared to the data; the predictions from Pythia 6, based on tunes that have been determined using LHC data, show reasonable agreement with the data, including the dependence on R. Comparisons with other generators indicate that additional tuning of soft-QCD parameters is necessary for these generators. The measurements presented here provide a testing ground for further development of the Monte Carlo models.</description><subject>High Energy Physics - Experiment</subject><subject>Physics</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNo9jV1LwzAUhosoOOb-gFe5VKTzJGmb9cKLMT8mFBSt3pYsPV0zalqTMJm_xR9rnOLVeeA97_NG0SmFKaXALx_bnXvC7fV0lk1BMIDkIBqxREAMwPLDf6ZwHE2c20DADHJB6Sj6ejE12m6nzZrgFo0nqpVWKo9WO6-VI9LUxLeoLalxwPBtFJLekA164vRn4GbfWWMdD9KGTof7cK9zRBsyDET1Xaed7k0Qht679WfunFwRQUp8JR_atz8jZF4W8-cw5FH53p5ER43sHE7-7jgqb2_KxTIuHu7uF_MiVoLRuAYQUjYcZlwmjGWN5IIm-Qp5TXNKFdaQzrImVaIBCQpwlefAMghhCqkUfBxd_Gpb2VWD1W_S7qpe6mo5Lypt2MCrMBHMIt1S_g0cKW84</recordid><startdate>20120803</startdate><enddate>20120803</enddate><creator>Aad, G.</creator><creator>Albrand, S.</creator><creator>Buat, Q.</creator><creator>Clement, B.</creator><creator>Collot, J.</creator><creator>Crépé-Renaudin, S.</creator><creator>Dechenaux, B.</creator><creator>Delemontex, T.</creator><creator>Delsart, P.A.</creator><creator>Genest, M.H.</creator><creator>Hostachy, J.Y.</creator><creator>Laisne, E.</creator><creator>Ledroit-Guillon, F.</creator><creator>Lleres, A.</creator><creator>Lucotte, A.</creator><creator>Malek, F.</creator><creator>Polci, F.</creator><creator>Stark, J.</creator><creator>Sun, X.</creator><creator>Trocmé, B.</creator><creator>Wang, J.</creator><creator>Weydert, C.</creator><creator>Biscarat, C.</creator><creator>Cogneras, E.</creator><creator>Rahal, G.</creator><creator>Abdel Khalek, S.</creator><creator>Abreu, H.</creator><creator>Andari, N.</creator><creator>Arnault, C.</creator><creator>Augé, E.</creator><creator>Barrillon, P.</creator><creator>Benoit, M.</creator><creator>Binet, S.</creator><creator>Bourdarios, C.</creator><creator>de La Taille, C.</creator><creator>de Vivie de Regie, J.B.</creator><creator>Duflot, L.</creator><creator>Escalier, M.</creator><creator>Fayard, L.</creator><creator>Fournier, D.</creator><creator>Grivaz, J.-F.</creator><creator>Henrot-Versillé, S.</creator><creator>Hrivnac, J.</creator><creator>Iconomidou-Fayard, L.</creator><creator>Idarraga, J.</creator><creator>Kado, M.</creator><creator>Lorenzo Martinez, N.</creator><creator>Lounis, A.</creator><creator>Makovec, N.</creator><creator>Matricon, P.</creator><creator>Niedercorn, F.</creator><creator>Poggioli, L.</creator><creator>Puzo, P.</creator><creator>Renaud, A.</creator><creator>Rousseau, D.</creator><creator>Rybkin, G.</creator><creator>Sauvan, J.B.</creator><creator>Schaarschmidt, J.</creator><creator>Schaffer, A.C.</creator><creator>Serin, L.</creator><creator>Simion, S.</creator><creator>Tanaka, R.</creator><creator>Teinturier, M.</creator><creator>Veillet, J.J.</creator><creator>Vukotic, I.</creator><creator>Wicek, F.</creator><creator>Zerwas, D.</creator><creator>Zhang, Zhiqing</creator><creator>Vannucci, F.</creator><creator>Aoun, S.</creator><creator>Bee, C. 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P. ; Bertella, C. ; Bousson, N. ; Clémens, J. C. ; Coadou, Y. ; Djama, F. ; Etienne, F. ; Feligioni, L. ; Henry-Couannier, F. ; Hoffmann, D. ; Hubaut, F. ; Knoops, E. B. F. G. ; Le Guirriec, E. ; Li, B. ; Maurer, J. ; Monnier, E. ; Odier, J. ; Pralavorio, P. ; Qian, Z. ; Rozanov, A. ; Talby, M. ; Tannoury, N. ; Tisserant, S. ; Toth, J. ; Touchard, F. ; Vacavant, L. ; Aperio Bella, L. ; Aubert, B. ; Berger, N. ; Colas, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c721-d007aaf3083a4226fa37149be3d1911ced0586f5c7f0a0c0eb990260191505a73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>High Energy Physics - Experiment</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aad, G.</creatorcontrib><creatorcontrib>Albrand, S.</creatorcontrib><creatorcontrib>Buat, Q.</creatorcontrib><creatorcontrib>Clement, B.</creatorcontrib><creatorcontrib>Collot, J.</creatorcontrib><creatorcontrib>Crépé-Renaudin, S.</creatorcontrib><creatorcontrib>Dechenaux, B.</creatorcontrib><creatorcontrib>Delemontex, T.</creatorcontrib><creatorcontrib>Delsart, P.A.</creatorcontrib><creatorcontrib>Genest, M.H.</creatorcontrib><creatorcontrib>Hostachy, J.Y.</creatorcontrib><creatorcontrib>Laisne, E.</creatorcontrib><creatorcontrib>Ledroit-Guillon, F.</creatorcontrib><creatorcontrib>Lleres, A.</creatorcontrib><creatorcontrib>Lucotte, A.</creatorcontrib><creatorcontrib>Malek, F.</creatorcontrib><creatorcontrib>Polci, F.</creatorcontrib><creatorcontrib>Stark, J.</creatorcontrib><creatorcontrib>Sun, X.</creatorcontrib><creatorcontrib>Trocmé, B.</creatorcontrib><creatorcontrib>Wang, J.</creatorcontrib><creatorcontrib>Weydert, C.</creatorcontrib><creatorcontrib>Biscarat, C.</creatorcontrib><creatorcontrib>Cogneras, E.</creatorcontrib><creatorcontrib>Rahal, G.</creatorcontrib><creatorcontrib>Abdel Khalek, S.</creatorcontrib><creatorcontrib>Abreu, H.</creatorcontrib><creatorcontrib>Andari, N.</creatorcontrib><creatorcontrib>Arnault, C.</creatorcontrib><creatorcontrib>Augé, E.</creatorcontrib><creatorcontrib>Barrillon, P.</creatorcontrib><creatorcontrib>Benoit, M.</creatorcontrib><creatorcontrib>Binet, S.</creatorcontrib><creatorcontrib>Bourdarios, C.</creatorcontrib><creatorcontrib>de La Taille, C.</creatorcontrib><creatorcontrib>de Vivie de Regie, J.B.</creatorcontrib><creatorcontrib>Duflot, L.</creatorcontrib><creatorcontrib>Escalier, M.</creatorcontrib><creatorcontrib>Fayard, L.</creatorcontrib><creatorcontrib>Fournier, D.</creatorcontrib><creatorcontrib>Grivaz, J.-F.</creatorcontrib><creatorcontrib>Henrot-Versillé, S.</creatorcontrib><creatorcontrib>Hrivnac, J.</creatorcontrib><creatorcontrib>Iconomidou-Fayard, L.</creatorcontrib><creatorcontrib>Idarraga, J.</creatorcontrib><creatorcontrib>Kado, M.</creatorcontrib><creatorcontrib>Lorenzo Martinez, N.</creatorcontrib><creatorcontrib>Lounis, A.</creatorcontrib><creatorcontrib>Makovec, N.</creatorcontrib><creatorcontrib>Matricon, P.</creatorcontrib><creatorcontrib>Niedercorn, F.</creatorcontrib><creatorcontrib>Poggioli, L.</creatorcontrib><creatorcontrib>Puzo, P.</creatorcontrib><creatorcontrib>Renaud, A.</creatorcontrib><creatorcontrib>Rousseau, D.</creatorcontrib><creatorcontrib>Rybkin, G.</creatorcontrib><creatorcontrib>Sauvan, J.B.</creatorcontrib><creatorcontrib>Schaarschmidt, J.</creatorcontrib><creatorcontrib>Schaffer, A.C.</creatorcontrib><creatorcontrib>Serin, L.</creatorcontrib><creatorcontrib>Simion, S.</creatorcontrib><creatorcontrib>Tanaka, R.</creatorcontrib><creatorcontrib>Teinturier, M.</creatorcontrib><creatorcontrib>Veillet, J.J.</creatorcontrib><creatorcontrib>Vukotic, I.</creatorcontrib><creatorcontrib>Wicek, F.</creatorcontrib><creatorcontrib>Zerwas, D.</creatorcontrib><creatorcontrib>Zhang, Zhiqing</creatorcontrib><creatorcontrib>Vannucci, F.</creatorcontrib><creatorcontrib>Aoun, S.</creatorcontrib><creatorcontrib>Bee, C. 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D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aad, G.</au><au>Albrand, S.</au><au>Buat, Q.</au><au>Clement, B.</au><au>Collot, J.</au><au>Crépé-Renaudin, S.</au><au>Dechenaux, B.</au><au>Delemontex, T.</au><au>Delsart, P.A.</au><au>Genest, M.H.</au><au>Hostachy, J.Y.</au><au>Laisne, E.</au><au>Ledroit-Guillon, F.</au><au>Lleres, A.</au><au>Lucotte, A.</au><au>Malek, F.</au><au>Polci, F.</au><au>Stark, J.</au><au>Sun, X.</au><au>Trocmé, B.</au><au>Wang, J.</au><au>Weydert, C.</au><au>Biscarat, C.</au><au>Cogneras, E.</au><au>Rahal, G.</au><au>Abdel Khalek, S.</au><au>Abreu, H.</au><au>Andari, N.</au><au>Arnault, C.</au><au>Augé, E.</au><au>Barrillon, P.</au><au>Benoit, M.</au><au>Binet, S.</au><au>Bourdarios, C.</au><au>de La Taille, C.</au><au>de Vivie de Regie, J.B.</au><au>Duflot, L.</au><au>Escalier, M.</au><au>Fayard, L.</au><au>Fournier, D.</au><au>Grivaz, J.-F.</au><au>Henrot-Versillé, S.</au><au>Hrivnac, J.</au><au>Iconomidou-Fayard, L.</au><au>Idarraga, J.</au><au>Kado, M.</au><au>Lorenzo Martinez, N.</au><au>Lounis, A.</au><au>Makovec, N.</au><au>Matricon, P.</au><au>Niedercorn, F.</au><au>Poggioli, L.</au><au>Puzo, P.</au><au>Renaud, A.</au><au>Rousseau, D.</au><au>Rybkin, G.</au><au>Sauvan, J.B.</au><au>Schaarschmidt, J.</au><au>Schaffer, A.C.</au><au>Serin, L.</au><au>Simion, S.</au><au>Tanaka, R.</au><au>Teinturier, M.</au><au>Veillet, J.J.</au><au>Vukotic, I.</au><au>Wicek, F.</au><au>Zerwas, D.</au><au>Zhang, Zhiqing</au><au>Vannucci, F.</au><au>Aoun, S.</au><au>Bee, C. P.</au><au>Bertella, C.</au><au>Bousson, N.</au><au>Clémens, J. C.</au><au>Coadou, Y.</au><au>Djama, F.</au><au>Etienne, F.</au><au>Feligioni, L.</au><au>Henry-Couannier, F.</au><au>Hoffmann, D.</au><au>Hubaut, F.</au><au>Knoops, E. B. F. G.</au><au>Le Guirriec, E.</au><au>Li, B.</au><au>Maurer, J.</au><au>Monnier, E.</au><au>Odier, J.</au><au>Pralavorio, P.</au><au>Qian, Z.</au><au>Rozanov, A.</au><au>Talby, M.</au><au>Tannoury, N.</au><au>Tisserant, S.</au><au>Toth, J.</au><au>Touchard, F.</au><au>Vacavant, L.</au><au>Aperio Bella, L.</au><au>Aubert, B.</au><au>Berger, N.</au><au>Colas, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Underlying event characteristics and their dependence on jet size of charged-particle jet events in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector</atitle><jtitle>Physical review. D</jtitle><date>2012-08-03</date><risdate>2012</risdate><volume>86</volume><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>Distributions sensitive to the underlying event are studied in events containing one or more charged-particle jets produced in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector at the Large Hadron Collider (LHC). These measurements reflect 800 inverse microbarns of data taken during 2010. Jets are reconstructed using the antikt algorithm with radius parameter R varying between 0.2 and 1.0. Distributions of the charged-particle multiplicity, the scalar sum of the transverse momentum of charged particles, and the average charged-particle pT are measured as functions of pT^JET in regions transverse to and opposite the leading jet for 4 GeV < pT^JET < 100 GeV. In addition, the R-dependence of the mean values of these observables is studied. In the transverse region, both the multiplicity and the scalar sum of the transverse momentum at fixed pT^JET vary significantly with R, while the average charged-particle transverse momentum has a minimal dependence on R. Predictions from several Monte Carlo tunes have been compared to the data; the predictions from Pythia 6, based on tunes that have been determined using LHC data, show reasonable agreement with the data, including the dependence on R. Comparisons with other generators indicate that additional tuning of soft-QCD parameters is necessary for these generators. The measurements presented here provide a testing ground for further development of the Monte Carlo models.</abstract><pub>American Physical Society</pub><doi>10.1103/PhysRevD.86.072004</doi><orcidid>https://orcid.org/0000-0003-1218-2991</orcidid><orcidid>https://orcid.org/0000-0001-9500-2487</orcidid><orcidid>https://orcid.org/0000-0001-8195-7004</orcidid><orcidid>https://orcid.org/0000-0001-5980-5805</orcidid><orcidid>https://orcid.org/0000-0002-9192-8028</orcidid><orcidid>https://orcid.org/0000-0002-6665-4934</orcidid><orcidid>https://orcid.org/0000-0002-2531-3463</orcidid><orcidid>https://orcid.org/0000-0002-4098-2024</orcidid><orcidid>https://orcid.org/0000-0003-0944-8998</orcidid><orcidid>https://orcid.org/0000-0001-5914-8614</orcidid><orcidid>https://orcid.org/0000-0001-7936-2765</orcidid><orcidid>https://orcid.org/0000-0001-9163-2211</orcidid><orcidid>https://orcid.org/0000-0002-9953-5333</orcidid><orcidid>https://orcid.org/0000-0002-7328-7829</orcidid><orcidid>https://orcid.org/0000-0001-7613-8063</orcidid><orcidid>https://orcid.org/0000-0001-9398-1909</orcidid><orcidid>https://orcid.org/0000-0002-1297-8925</orcidid><orcidid>https://orcid.org/0000-0002-0948-5775</orcidid><orcidid>https://orcid.org/0000-0002-2551-5751</orcidid><orcidid>https://orcid.org/0000-0002-8933-9427</orcidid><orcidid>https://orcid.org/0000-0001-7369-6975</orcidid></addata></record> |
fulltext | fulltext |
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language | eng |
recordid | cdi_hal_primary_oai_HAL_in2p3_00722675v1 |
source | American Physical Society Journals |
subjects | High Energy Physics - Experiment Physics |
title | Underlying event characteristics and their dependence on jet size of charged-particle jet events in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector |
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