Underlying event measurements in p + p collisions at s = 200 GeV at RHIC
Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum ( pT) jet in proton + proton collisions at √s = 200 GeV is studied with the STAR detector. Each event is divided into three regions based...
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| Veröffentlicht in: | Physical review. D 2020-03, Vol.101 (5), p.1, Article 052004 |
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| creator | Adam, J. Adamczyk, L. Adams, J. R. Adkins, J. K. Agakishiev, G. Aggarwal, M. M. Ahammed, Z. Alekseev, I. Anderson, D. M. Aparin, A. Aschenauer, E. C. Ashraf, M. U. Atetalla, F. G. Attri, A. Averichev, G. S. Bairathi, V. Barish, K. Behera, A. Bellwied, R. Bhasin, A. Bielcik, J. Bielcikova, J. Bland, L. C. Bordyuzhin, I. G. Brandenburg, J. D. Brandin, A. V. Butterworth, J. Caines, H. Calderón de la Barca Sánchez, M. Cebra, D. Chakaberia, I. Chaloupka, P. Chan, B. K. Chang, F-H. Chang, Z. Chankova-Bunzarova, N. Chatterjee, A. Chen, D. Chen, J. H. Chen, X. Chen, Z. Cheng, J. Cherney, M. Chevalier, M. Choudhury, S. Christie, W. Crawford, H. J. Csanád, M. Daugherity, M. Dedovich, T. G. Deppner, I. M. Derevschikov, A. A. Didenko, L. Dong, X. Drachenberg, J. L. Dunlop, J. C. Edmonds, T. Elsey, N. Engelage, J. Eppley, G. Esha, R. Esumi, S. Evdokimov, O. Ewigleben, A. Eyser, O. Fatemi, R. Fazio, S. Federic, P. Fedorisin, J. Feng, C. J. Feng, Y. Filip, P. Finch, E. Fisyak, Y. Francisco, A. Fulek, L. Gagliardi, C. A. Galatyuk, T. Geurts, F. Gibson, A. Gopal, K. Grosnick, D. Guryn, W. Hamad, A. I. Hamed, A. Harris, J. W. He, S. He, W. He, X. Heppelmann, S. Herrmann, N. Hoffman, E. Holub, L. Hong, Y. Horvat, S. Hu, Y. Huang, H. Z. Huang, S. L. Huang, T. Huang, X. |
| description | Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum ( pT) jet in proton + proton collisions at √s = 200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest- p T jet direction: in the leading jet direction ("Toward"), opposite to the leading jet ("Away"), and perpendicular to the leading jet ("Transverse"). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6 and the mean transverse momentum, ⟨pT⟩, between 0.5 and 0.7 GeV/c for particles with pT > 0.2 GeV/c at mid-pseudorapidity (|η| < 1) and jet pT > 15 GeV / c . Both average particle density and ⟨pT⟩depend weakly on the leading jet pT. Closer inspection of the Transverse region hints that contributions to the underlying event from initial- and final-state radiation are significantly smaller in these collisions than at the higher energies, up to 13 TeV, recorded at the LHC. Underlying event measurements associated with a high-pT jet will contribute to our understanding of QCD processes at hard and soft scales at RHIC energies, as well as provide constraints to modeling of underlying event dynamics. |
| doi_str_mv | 10.1103/PhysRevD.101.052004 |
| format | Article |
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R. ; Adkins, J. K. ; Agakishiev, G. ; Aggarwal, M. M. ; Ahammed, Z. ; Alekseev, I. ; Anderson, D. M. ; Aparin, A. ; Aschenauer, E. C. ; Ashraf, M. U. ; Atetalla, F. G. ; Attri, A. ; Averichev, G. S. ; Bairathi, V. ; Barish, K. ; Behera, A. ; Bellwied, R. ; Bhasin, A. ; Bielcik, J. ; Bielcikova, J. ; Bland, L. C. ; Bordyuzhin, I. G. ; Brandenburg, J. D. ; Brandin, A. V. ; Butterworth, J. ; Caines, H. ; Calderón de la Barca Sánchez, M. ; Cebra, D. ; Chakaberia, I. ; Chaloupka, P. ; Chan, B. K. ; Chang, F-H. ; Chang, Z. ; Chankova-Bunzarova, N. ; Chatterjee, A. ; Chen, D. ; Chen, J. H. ; Chen, X. ; Chen, Z. ; Cheng, J. ; Cherney, M. ; Chevalier, M. ; Choudhury, S. ; Christie, W. ; Crawford, H. J. ; Csanád, M. ; Daugherity, M. ; Dedovich, T. G. ; Deppner, I. M. ; Derevschikov, A. A. ; Didenko, L. ; Dong, X. ; Drachenberg, J. L. ; Dunlop, J. C. ; Edmonds, T. ; Elsey, N. ; Engelage, J. ; Eppley, G. ; Esha, R. ; Esumi, S. ; Evdokimov, O. ; Ewigleben, A. ; Eyser, O. ; Fatemi, R. ; Fazio, S. ; Federic, P. ; Fedorisin, J. ; Feng, C. J. ; Feng, Y. ; Filip, P. ; Finch, E. ; Fisyak, Y. ; Francisco, A. ; Fulek, L. ; Gagliardi, C. A. ; Galatyuk, T. ; Geurts, F. ; Gibson, A. ; Gopal, K. ; Grosnick, D. ; Guryn, W. ; Hamad, A. I. ; Hamed, A. ; Harris, J. W. ; He, S. ; He, W. ; He, X. ; Heppelmann, S. ; Herrmann, N. ; Hoffman, E. ; Holub, L. ; Hong, Y. ; Horvat, S. ; Hu, Y. ; Huang, H. Z. ; Huang, S. L. ; Huang, T. ; Huang, X.</creator><creatorcontrib>Adam, J. ; Adamczyk, L. ; Adams, J. R. ; Adkins, J. K. ; Agakishiev, G. ; Aggarwal, M. M. ; Ahammed, Z. ; Alekseev, I. ; Anderson, D. M. ; Aparin, A. ; Aschenauer, E. C. ; Ashraf, M. U. ; Atetalla, F. G. ; Attri, A. ; Averichev, G. S. ; Bairathi, V. ; Barish, K. ; Behera, A. ; Bellwied, R. ; Bhasin, A. ; Bielcik, J. ; Bielcikova, J. ; Bland, L. C. ; Bordyuzhin, I. G. ; Brandenburg, J. D. ; Brandin, A. V. ; Butterworth, J. ; Caines, H. ; Calderón de la Barca Sánchez, M. ; Cebra, D. ; Chakaberia, I. ; Chaloupka, P. ; Chan, B. K. ; Chang, F-H. ; Chang, Z. ; Chankova-Bunzarova, N. ; Chatterjee, A. ; Chen, D. ; Chen, J. H. ; Chen, X. ; Chen, Z. ; Cheng, J. ; Cherney, M. ; Chevalier, M. ; Choudhury, S. ; Christie, W. ; Crawford, H. J. ; Csanád, M. ; Daugherity, M. ; Dedovich, T. G. ; Deppner, I. M. ; Derevschikov, A. A. ; Didenko, L. ; Dong, X. ; Drachenberg, J. L. ; Dunlop, J. C. ; Edmonds, T. ; Elsey, N. ; Engelage, J. ; Eppley, G. ; Esha, R. ; Esumi, S. ; Evdokimov, O. ; Ewigleben, A. ; Eyser, O. ; Fatemi, R. ; Fazio, S. ; Federic, P. ; Fedorisin, J. ; Feng, C. J. ; Feng, Y. ; Filip, P. ; Finch, E. ; Fisyak, Y. ; Francisco, A. ; Fulek, L. ; Gagliardi, C. A. ; Galatyuk, T. ; Geurts, F. ; Gibson, A. ; Gopal, K. ; Grosnick, D. ; Guryn, W. ; Hamad, A. I. ; Hamed, A. ; Harris, J. W. ; He, S. ; He, W. ; He, X. ; Heppelmann, S. ; Herrmann, N. ; Hoffman, E. ; Holub, L. ; Hong, Y. ; Horvat, S. ; Hu, Y. ; Huang, H. Z. ; Huang, S. L. ; Huang, T. ; Huang, X. ; STAR Collaboration ; Brookhaven National Lab. (BNL), Upton, NY (United States) ; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States) ; Texas A & M Univ., College Station, TX (United States)</creatorcontrib><description>Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum ( pT) jet in proton + proton collisions at √s = 200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest- p T jet direction: in the leading jet direction ("Toward"), opposite to the leading jet ("Away"), and perpendicular to the leading jet ("Transverse"). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6 and the mean transverse momentum, ⟨pT⟩, between 0.5 and 0.7 GeV/c for particles with pT > 0.2 GeV/c at mid-pseudorapidity (|η| < 1) and jet pT > 15 GeV / c . Both average particle density and ⟨pT⟩depend weakly on the leading jet pT. Closer inspection of the Transverse region hints that contributions to the underlying event from initial- and final-state radiation are significantly smaller in these collisions than at the higher energies, up to 13 TeV, recorded at the LHC. Underlying event measurements associated with a high-pT jet will contribute to our understanding of QCD processes at hard and soft scales at RHIC energies, as well as provide constraints to modeling of underlying event dynamics.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.101.052004</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Charged particles ; Constraint modelling ; Hadron colliders ; Hard scattering ; Inspection ; Jets & heavy flavor physics ; Multi-purpose particle detectors ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; Particle collisions ; Particle density (concentration) ; Particle production ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; Protons ; Quantum chromodynamics ; Relativistic Heavy Ion Collider ; Relativistic heavy-ion collisions ; Transverse momentum</subject><ispartof>Physical review. D, 2020-03, Vol.101 (5), p.1, Article 052004</ispartof><rights>Copyright American Physical Society Mar 1, 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c219t-1beb956513f73df51224ab5192f77f8b384cb21e9c99de84e24ae8887e3148c33</citedby><cites>FETCH-LOGICAL-c219t-1beb956513f73df51224ab5192f77f8b384cb21e9c99de84e24ae8887e3148c33</cites><orcidid>0000-0002-1595-411X ; 000000021595411X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,2863,2864,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/servlets/purl/1580259$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Adam, J.</creatorcontrib><creatorcontrib>Adamczyk, L.</creatorcontrib><creatorcontrib>Adams, J. R.</creatorcontrib><creatorcontrib>Adkins, J. K.</creatorcontrib><creatorcontrib>Agakishiev, G.</creatorcontrib><creatorcontrib>Aggarwal, M. M.</creatorcontrib><creatorcontrib>Ahammed, Z.</creatorcontrib><creatorcontrib>Alekseev, I.</creatorcontrib><creatorcontrib>Anderson, D. M.</creatorcontrib><creatorcontrib>Aparin, A.</creatorcontrib><creatorcontrib>Aschenauer, E. C.</creatorcontrib><creatorcontrib>Ashraf, M. U.</creatorcontrib><creatorcontrib>Atetalla, F. G.</creatorcontrib><creatorcontrib>Attri, A.</creatorcontrib><creatorcontrib>Averichev, G. S.</creatorcontrib><creatorcontrib>Bairathi, V.</creatorcontrib><creatorcontrib>Barish, K.</creatorcontrib><creatorcontrib>Behera, A.</creatorcontrib><creatorcontrib>Bellwied, R.</creatorcontrib><creatorcontrib>Bhasin, A.</creatorcontrib><creatorcontrib>Bielcik, J.</creatorcontrib><creatorcontrib>Bielcikova, J.</creatorcontrib><creatorcontrib>Bland, L. C.</creatorcontrib><creatorcontrib>Bordyuzhin, I. G.</creatorcontrib><creatorcontrib>Brandenburg, J. D.</creatorcontrib><creatorcontrib>Brandin, A. V.</creatorcontrib><creatorcontrib>Butterworth, J.</creatorcontrib><creatorcontrib>Caines, H.</creatorcontrib><creatorcontrib>Calderón de la Barca Sánchez, M.</creatorcontrib><creatorcontrib>Cebra, D.</creatorcontrib><creatorcontrib>Chakaberia, I.</creatorcontrib><creatorcontrib>Chaloupka, P.</creatorcontrib><creatorcontrib>Chan, B. K.</creatorcontrib><creatorcontrib>Chang, F-H.</creatorcontrib><creatorcontrib>Chang, Z.</creatorcontrib><creatorcontrib>Chankova-Bunzarova, N.</creatorcontrib><creatorcontrib>Chatterjee, A.</creatorcontrib><creatorcontrib>Chen, D.</creatorcontrib><creatorcontrib>Chen, J. H.</creatorcontrib><creatorcontrib>Chen, X.</creatorcontrib><creatorcontrib>Chen, Z.</creatorcontrib><creatorcontrib>Cheng, J.</creatorcontrib><creatorcontrib>Cherney, M.</creatorcontrib><creatorcontrib>Chevalier, M.</creatorcontrib><creatorcontrib>Choudhury, S.</creatorcontrib><creatorcontrib>Christie, W.</creatorcontrib><creatorcontrib>Crawford, H. J.</creatorcontrib><creatorcontrib>Csanád, M.</creatorcontrib><creatorcontrib>Daugherity, M.</creatorcontrib><creatorcontrib>Dedovich, T. G.</creatorcontrib><creatorcontrib>Deppner, I. M.</creatorcontrib><creatorcontrib>Derevschikov, A. A.</creatorcontrib><creatorcontrib>Didenko, L.</creatorcontrib><creatorcontrib>Dong, X.</creatorcontrib><creatorcontrib>Drachenberg, J. L.</creatorcontrib><creatorcontrib>Dunlop, J. C.</creatorcontrib><creatorcontrib>Edmonds, T.</creatorcontrib><creatorcontrib>Elsey, N.</creatorcontrib><creatorcontrib>Engelage, J.</creatorcontrib><creatorcontrib>Eppley, G.</creatorcontrib><creatorcontrib>Esha, R.</creatorcontrib><creatorcontrib>Esumi, S.</creatorcontrib><creatorcontrib>Evdokimov, O.</creatorcontrib><creatorcontrib>Ewigleben, A.</creatorcontrib><creatorcontrib>Eyser, O.</creatorcontrib><creatorcontrib>Fatemi, R.</creatorcontrib><creatorcontrib>Fazio, S.</creatorcontrib><creatorcontrib>Federic, P.</creatorcontrib><creatorcontrib>Fedorisin, J.</creatorcontrib><creatorcontrib>Feng, C. J.</creatorcontrib><creatorcontrib>Feng, Y.</creatorcontrib><creatorcontrib>Filip, P.</creatorcontrib><creatorcontrib>Finch, E.</creatorcontrib><creatorcontrib>Fisyak, Y.</creatorcontrib><creatorcontrib>Francisco, A.</creatorcontrib><creatorcontrib>Fulek, L.</creatorcontrib><creatorcontrib>Gagliardi, C. A.</creatorcontrib><creatorcontrib>Galatyuk, T.</creatorcontrib><creatorcontrib>Geurts, F.</creatorcontrib><creatorcontrib>Gibson, A.</creatorcontrib><creatorcontrib>Gopal, K.</creatorcontrib><creatorcontrib>Grosnick, D.</creatorcontrib><creatorcontrib>Guryn, W.</creatorcontrib><creatorcontrib>Hamad, A. I.</creatorcontrib><creatorcontrib>Hamed, A.</creatorcontrib><creatorcontrib>Harris, J. W.</creatorcontrib><creatorcontrib>He, S.</creatorcontrib><creatorcontrib>He, W.</creatorcontrib><creatorcontrib>He, X.</creatorcontrib><creatorcontrib>Heppelmann, S.</creatorcontrib><creatorcontrib>Herrmann, N.</creatorcontrib><creatorcontrib>Hoffman, E.</creatorcontrib><creatorcontrib>Holub, L.</creatorcontrib><creatorcontrib>Hong, Y.</creatorcontrib><creatorcontrib>Horvat, S.</creatorcontrib><creatorcontrib>Hu, Y.</creatorcontrib><creatorcontrib>Huang, H. Z.</creatorcontrib><creatorcontrib>Huang, S. L.</creatorcontrib><creatorcontrib>Huang, T.</creatorcontrib><creatorcontrib>Huang, X.</creatorcontrib><creatorcontrib>STAR Collaboration</creatorcontrib><creatorcontrib>Brookhaven National Lab. (BNL), Upton, NY (United States)</creatorcontrib><creatorcontrib>Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)</creatorcontrib><creatorcontrib>Texas A & M Univ., College Station, TX (United States)</creatorcontrib><title>Underlying event measurements in p + p collisions at s = 200 GeV at RHIC</title><title>Physical review. D</title><description>Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum ( pT) jet in proton + proton collisions at √s = 200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest- p T jet direction: in the leading jet direction ("Toward"), opposite to the leading jet ("Away"), and perpendicular to the leading jet ("Transverse"). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6 and the mean transverse momentum, ⟨pT⟩, between 0.5 and 0.7 GeV/c for particles with pT > 0.2 GeV/c at mid-pseudorapidity (|η| < 1) and jet pT > 15 GeV / c . Both average particle density and ⟨pT⟩depend weakly on the leading jet pT. Closer inspection of the Transverse region hints that contributions to the underlying event from initial- and final-state radiation are significantly smaller in these collisions than at the higher energies, up to 13 TeV, recorded at the LHC. Underlying event measurements associated with a high-pT jet will contribute to our understanding of QCD processes at hard and soft scales at RHIC energies, as well as provide constraints to modeling of underlying event dynamics.</description><subject>Charged particles</subject><subject>Constraint modelling</subject><subject>Hadron colliders</subject><subject>Hard scattering</subject><subject>Inspection</subject><subject>Jets & heavy flavor physics</subject><subject>Multi-purpose particle detectors</subject><subject>NUCLEAR PHYSICS AND RADIATION PHYSICS</subject><subject>Particle collisions</subject><subject>Particle density (concentration)</subject><subject>Particle production</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>Protons</subject><subject>Quantum chromodynamics</subject><subject>Relativistic Heavy Ion Collider</subject><subject>Relativistic heavy-ion collisions</subject><subject>Transverse momentum</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNo9UMFKAzEUDKJgqf0CL0GPsjUv2XSTgwep2hYKlmK9ht30rd2yzdbNttCbV3_TLzF11cPwhnnDvMcQcgmsD8DE7Wx18HPcP_SBQZ9Jzlh8Qjo8TljEGNen_xzYOel5v2aBDphOADpktnBLrMtD4d4o7tE1dIOp39W4CdzTwtEtvQmwVVkWvqicp2lDPb2j4Q79-vj8wQhfj_J8PBlekLM8LT32fmeXLJ4eX4bjaPo8mgzvp5HloJsIMsy0HEgQeSKWuQTO4zSToHmeJLnKhIptxgG11XqJKsawRqVUggJiZYXokqs2t_JNYbwtGrQrWzmHtjEgFeNSB9N1a9rW1fsOfWPW1a524S_DxTFNJgKCS7QuW1fe15ibbV1s0vpggJljxeav4iCAaSsW34Gobf4</recordid><startdate>20200301</startdate><enddate>20200301</enddate><creator>Adam, J.</creator><creator>Adamczyk, L.</creator><creator>Adams, J. 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W.</creator><creator>He, S.</creator><creator>He, W.</creator><creator>He, X.</creator><creator>Heppelmann, S.</creator><creator>Herrmann, N.</creator><creator>Hoffman, E.</creator><creator>Holub, L.</creator><creator>Hong, Y.</creator><creator>Horvat, S.</creator><creator>Hu, Y.</creator><creator>Huang, H. Z.</creator><creator>Huang, S. L.</creator><creator>Huang, T.</creator><creator>Huang, X.</creator><general>American Physical Society</general><general>American Physical Society (APS)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-1595-411X</orcidid><orcidid>https://orcid.org/000000021595411X</orcidid></search><sort><creationdate>20200301</creationdate><title>Underlying event measurements in p + p collisions at s = 200 GeV at RHIC</title><author>Adam, J. ; Adamczyk, L. ; Adams, J. R. ; Adkins, J. K. ; Agakishiev, G. ; Aggarwal, M. M. ; Ahammed, Z. ; Alekseev, I. ; Anderson, D. M. ; Aparin, A. ; Aschenauer, E. C. ; Ashraf, M. U. ; Atetalla, F. G. ; Attri, A. ; Averichev, G. S. ; Bairathi, V. ; Barish, K. ; Behera, A. ; Bellwied, R. ; Bhasin, A. ; Bielcik, J. ; Bielcikova, J. ; Bland, L. C. ; Bordyuzhin, I. G. ; Brandenburg, J. D. ; Brandin, A. V. ; Butterworth, J. ; Caines, H. ; Calderón de la Barca Sánchez, M. ; Cebra, D. ; Chakaberia, I. ; Chaloupka, P. ; Chan, B. K. ; Chang, F-H. ; Chang, Z. ; Chankova-Bunzarova, N. ; Chatterjee, A. ; Chen, D. ; Chen, J. H. ; Chen, X. ; Chen, Z. ; Cheng, J. ; Cherney, M. ; Chevalier, M. ; Choudhury, S. ; Christie, W. ; Crawford, H. J. ; Csanád, M. ; Daugherity, M. ; Dedovich, T. G. ; Deppner, I. M. ; Derevschikov, A. A. ; Didenko, L. ; Dong, X. ; Drachenberg, J. L. ; Dunlop, J. C. ; Edmonds, T. ; Elsey, N. ; Engelage, J. ; Eppley, G. ; Esha, R. ; Esumi, S. ; Evdokimov, O. ; Ewigleben, A. ; Eyser, O. ; Fatemi, R. ; Fazio, S. ; Federic, P. ; Fedorisin, J. ; Feng, C. J. ; Feng, Y. ; Filip, P. ; Finch, E. ; Fisyak, Y. ; Francisco, A. ; Fulek, L. ; Gagliardi, C. A. ; Galatyuk, T. ; Geurts, F. ; Gibson, A. ; Gopal, K. ; Grosnick, D. ; Guryn, W. ; Hamad, A. I. ; Hamed, A. ; Harris, J. W. ; He, S. ; He, W. ; He, X. ; Heppelmann, S. ; Herrmann, N. ; Hoffman, E. ; Holub, L. ; Hong, Y. ; Horvat, S. ; Hu, Y. ; Huang, H. Z. ; Huang, S. L. ; Huang, T. ; Huang, X.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c219t-1beb956513f73df51224ab5192f77f8b384cb21e9c99de84e24ae8887e3148c33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Charged particles</topic><topic>Constraint modelling</topic><topic>Hadron colliders</topic><topic>Hard scattering</topic><topic>Inspection</topic><topic>Jets & heavy flavor physics</topic><topic>Multi-purpose particle detectors</topic><topic>NUCLEAR PHYSICS AND RADIATION PHYSICS</topic><topic>Particle collisions</topic><topic>Particle density (concentration)</topic><topic>Particle production</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>Protons</topic><topic>Quantum chromodynamics</topic><topic>Relativistic Heavy Ion Collider</topic><topic>Relativistic heavy-ion collisions</topic><topic>Transverse momentum</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adam, J.</creatorcontrib><creatorcontrib>Adamczyk, L.</creatorcontrib><creatorcontrib>Adams, J. R.</creatorcontrib><creatorcontrib>Adkins, J. K.</creatorcontrib><creatorcontrib>Agakishiev, G.</creatorcontrib><creatorcontrib>Aggarwal, M. M.</creatorcontrib><creatorcontrib>Ahammed, Z.</creatorcontrib><creatorcontrib>Alekseev, I.</creatorcontrib><creatorcontrib>Anderson, D. M.</creatorcontrib><creatorcontrib>Aparin, A.</creatorcontrib><creatorcontrib>Aschenauer, E. C.</creatorcontrib><creatorcontrib>Ashraf, M. U.</creatorcontrib><creatorcontrib>Atetalla, F. G.</creatorcontrib><creatorcontrib>Attri, A.</creatorcontrib><creatorcontrib>Averichev, G. S.</creatorcontrib><creatorcontrib>Bairathi, V.</creatorcontrib><creatorcontrib>Barish, K.</creatorcontrib><creatorcontrib>Behera, A.</creatorcontrib><creatorcontrib>Bellwied, R.</creatorcontrib><creatorcontrib>Bhasin, A.</creatorcontrib><creatorcontrib>Bielcik, J.</creatorcontrib><creatorcontrib>Bielcikova, J.</creatorcontrib><creatorcontrib>Bland, L. C.</creatorcontrib><creatorcontrib>Bordyuzhin, I. G.</creatorcontrib><creatorcontrib>Brandenburg, J. D.</creatorcontrib><creatorcontrib>Brandin, A. V.</creatorcontrib><creatorcontrib>Butterworth, J.</creatorcontrib><creatorcontrib>Caines, H.</creatorcontrib><creatorcontrib>Calderón de la Barca Sánchez, M.</creatorcontrib><creatorcontrib>Cebra, D.</creatorcontrib><creatorcontrib>Chakaberia, I.</creatorcontrib><creatorcontrib>Chaloupka, P.</creatorcontrib><creatorcontrib>Chan, B. K.</creatorcontrib><creatorcontrib>Chang, F-H.</creatorcontrib><creatorcontrib>Chang, Z.</creatorcontrib><creatorcontrib>Chankova-Bunzarova, N.</creatorcontrib><creatorcontrib>Chatterjee, A.</creatorcontrib><creatorcontrib>Chen, D.</creatorcontrib><creatorcontrib>Chen, J. H.</creatorcontrib><creatorcontrib>Chen, X.</creatorcontrib><creatorcontrib>Chen, Z.</creatorcontrib><creatorcontrib>Cheng, J.</creatorcontrib><creatorcontrib>Cherney, M.</creatorcontrib><creatorcontrib>Chevalier, M.</creatorcontrib><creatorcontrib>Choudhury, S.</creatorcontrib><creatorcontrib>Christie, W.</creatorcontrib><creatorcontrib>Crawford, H. J.</creatorcontrib><creatorcontrib>Csanád, M.</creatorcontrib><creatorcontrib>Daugherity, M.</creatorcontrib><creatorcontrib>Dedovich, T. G.</creatorcontrib><creatorcontrib>Deppner, I. M.</creatorcontrib><creatorcontrib>Derevschikov, A. A.</creatorcontrib><creatorcontrib>Didenko, L.</creatorcontrib><creatorcontrib>Dong, X.</creatorcontrib><creatorcontrib>Drachenberg, J. L.</creatorcontrib><creatorcontrib>Dunlop, J. C.</creatorcontrib><creatorcontrib>Edmonds, T.</creatorcontrib><creatorcontrib>Elsey, N.</creatorcontrib><creatorcontrib>Engelage, J.</creatorcontrib><creatorcontrib>Eppley, G.</creatorcontrib><creatorcontrib>Esha, R.</creatorcontrib><creatorcontrib>Esumi, S.</creatorcontrib><creatorcontrib>Evdokimov, O.</creatorcontrib><creatorcontrib>Ewigleben, A.</creatorcontrib><creatorcontrib>Eyser, O.</creatorcontrib><creatorcontrib>Fatemi, R.</creatorcontrib><creatorcontrib>Fazio, S.</creatorcontrib><creatorcontrib>Federic, P.</creatorcontrib><creatorcontrib>Fedorisin, J.</creatorcontrib><creatorcontrib>Feng, C. J.</creatorcontrib><creatorcontrib>Feng, Y.</creatorcontrib><creatorcontrib>Filip, P.</creatorcontrib><creatorcontrib>Finch, E.</creatorcontrib><creatorcontrib>Fisyak, Y.</creatorcontrib><creatorcontrib>Francisco, A.</creatorcontrib><creatorcontrib>Fulek, L.</creatorcontrib><creatorcontrib>Gagliardi, C. A.</creatorcontrib><creatorcontrib>Galatyuk, T.</creatorcontrib><creatorcontrib>Geurts, F.</creatorcontrib><creatorcontrib>Gibson, A.</creatorcontrib><creatorcontrib>Gopal, K.</creatorcontrib><creatorcontrib>Grosnick, D.</creatorcontrib><creatorcontrib>Guryn, W.</creatorcontrib><creatorcontrib>Hamad, A. I.</creatorcontrib><creatorcontrib>Hamed, A.</creatorcontrib><creatorcontrib>Harris, J. W.</creatorcontrib><creatorcontrib>He, S.</creatorcontrib><creatorcontrib>He, W.</creatorcontrib><creatorcontrib>He, X.</creatorcontrib><creatorcontrib>Heppelmann, S.</creatorcontrib><creatorcontrib>Herrmann, N.</creatorcontrib><creatorcontrib>Hoffman, E.</creatorcontrib><creatorcontrib>Holub, L.</creatorcontrib><creatorcontrib>Hong, Y.</creatorcontrib><creatorcontrib>Horvat, S.</creatorcontrib><creatorcontrib>Hu, Y.</creatorcontrib><creatorcontrib>Huang, H. Z.</creatorcontrib><creatorcontrib>Huang, S. L.</creatorcontrib><creatorcontrib>Huang, T.</creatorcontrib><creatorcontrib>Huang, X.</creatorcontrib><creatorcontrib>STAR Collaboration</creatorcontrib><creatorcontrib>Brookhaven National Lab. (BNL), Upton, NY (United States)</creatorcontrib><creatorcontrib>Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)</creatorcontrib><creatorcontrib>Texas A & M Univ., College Station, TX (United States)</creatorcontrib><collection>CrossRef</collection><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 - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Physical review. D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adam, J.</au><au>Adamczyk, L.</au><au>Adams, J. R.</au><au>Adkins, J. K.</au><au>Agakishiev, G.</au><au>Aggarwal, M. M.</au><au>Ahammed, Z.</au><au>Alekseev, I.</au><au>Anderson, D. M.</au><au>Aparin, A.</au><au>Aschenauer, E. C.</au><au>Ashraf, M. U.</au><au>Atetalla, F. G.</au><au>Attri, A.</au><au>Averichev, G. S.</au><au>Bairathi, V.</au><au>Barish, K.</au><au>Behera, A.</au><au>Bellwied, R.</au><au>Bhasin, A.</au><au>Bielcik, J.</au><au>Bielcikova, J.</au><au>Bland, L. C.</au><au>Bordyuzhin, I. G.</au><au>Brandenburg, J. D.</au><au>Brandin, A. V.</au><au>Butterworth, J.</au><au>Caines, H.</au><au>Calderón de la Barca Sánchez, M.</au><au>Cebra, D.</au><au>Chakaberia, I.</au><au>Chaloupka, P.</au><au>Chan, B. K.</au><au>Chang, F-H.</au><au>Chang, Z.</au><au>Chankova-Bunzarova, N.</au><au>Chatterjee, A.</au><au>Chen, D.</au><au>Chen, J. H.</au><au>Chen, X.</au><au>Chen, Z.</au><au>Cheng, J.</au><au>Cherney, M.</au><au>Chevalier, M.</au><au>Choudhury, S.</au><au>Christie, W.</au><au>Crawford, H. J.</au><au>Csanád, M.</au><au>Daugherity, M.</au><au>Dedovich, T. G.</au><au>Deppner, I. M.</au><au>Derevschikov, A. A.</au><au>Didenko, L.</au><au>Dong, X.</au><au>Drachenberg, J. L.</au><au>Dunlop, J. C.</au><au>Edmonds, T.</au><au>Elsey, N.</au><au>Engelage, J.</au><au>Eppley, G.</au><au>Esha, R.</au><au>Esumi, S.</au><au>Evdokimov, O.</au><au>Ewigleben, A.</au><au>Eyser, O.</au><au>Fatemi, R.</au><au>Fazio, S.</au><au>Federic, P.</au><au>Fedorisin, J.</au><au>Feng, C. J.</au><au>Feng, Y.</au><au>Filip, P.</au><au>Finch, E.</au><au>Fisyak, Y.</au><au>Francisco, A.</au><au>Fulek, L.</au><au>Gagliardi, C. A.</au><au>Galatyuk, T.</au><au>Geurts, F.</au><au>Gibson, A.</au><au>Gopal, K.</au><au>Grosnick, D.</au><au>Guryn, W.</au><au>Hamad, A. I.</au><au>Hamed, A.</au><au>Harris, J. W.</au><au>He, S.</au><au>He, W.</au><au>He, X.</au><au>Heppelmann, S.</au><au>Herrmann, N.</au><au>Hoffman, E.</au><au>Holub, L.</au><au>Hong, Y.</au><au>Horvat, S.</au><au>Hu, Y.</au><au>Huang, H. Z.</au><au>Huang, S. L.</au><au>Huang, T.</au><au>Huang, X.</au><aucorp>STAR Collaboration</aucorp><aucorp>Brookhaven National Lab. (BNL), Upton, NY (United States)</aucorp><aucorp>Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)</aucorp><aucorp>Texas A & M Univ., College Station, TX (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Underlying event measurements in p + p collisions at s = 200 GeV at RHIC</atitle><jtitle>Physical review. D</jtitle><date>2020-03-01</date><risdate>2020</risdate><volume>101</volume><issue>5</issue><spage>1</spage><pages>1-</pages><artnum>052004</artnum><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>Particle production sensitive to nonfactorizable and nonperturbative processes that contribute to the underlying event associated with a high transverse momentum ( pT) jet in proton + proton collisions at √s = 200 GeV is studied with the STAR detector. Each event is divided into three regions based on the azimuthal angle with respect to the highest- p T jet direction: in the leading jet direction ("Toward"), opposite to the leading jet ("Away"), and perpendicular to the leading jet ("Transverse"). In the Transverse region, the average charged particle density is found to be between 0.4 and 0.6 and the mean transverse momentum, ⟨pT⟩, between 0.5 and 0.7 GeV/c for particles with pT > 0.2 GeV/c at mid-pseudorapidity (|η| < 1) and jet pT > 15 GeV / c . Both average particle density and ⟨pT⟩depend weakly on the leading jet pT. Closer inspection of the Transverse region hints that contributions to the underlying event from initial- and final-state radiation are significantly smaller in these collisions than at the higher energies, up to 13 TeV, recorded at the LHC. Underlying event measurements associated with a high-pT jet will contribute to our understanding of QCD processes at hard and soft scales at RHIC energies, as well as provide constraints to modeling of underlying event dynamics.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevD.101.052004</doi><orcidid>https://orcid.org/0000-0002-1595-411X</orcidid><orcidid>https://orcid.org/000000021595411X</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2470-0010 |
| ispartof | Physical review. D, 2020-03, Vol.101 (5), p.1, Article 052004 |
| issn | 2470-0010 2470-0029 |
| language | eng |
| recordid | cdi_osti_scitechconnect_1580259 |
| source | American Physical Society Journals |
| subjects | Charged particles Constraint modelling Hadron colliders Hard scattering Inspection Jets & heavy flavor physics Multi-purpose particle detectors NUCLEAR PHYSICS AND RADIATION PHYSICS Particle collisions Particle density (concentration) Particle production PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Protons Quantum chromodynamics Relativistic Heavy Ion Collider Relativistic heavy-ion collisions Transverse momentum |
| title | Underlying event measurements in p + p collisions at s = 200 GeV at RHIC |
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