Long-range pseudorapidity dihadron correlations in d+ Au collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msqrt><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">NN</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>200</mml:mn><mml:mtext> </mml:mtext><mml:mtext>GeV</mml:mtext></mml:math>
L. AdamczykAGH University of Science and Technology, Cracow 30-059, PolandJ. K. AdkinsUniversity of Kentucky, Lexington, KY 40506-0055, USAG. AgakishievJoint Institute for Nuclear Research, Dubna, 141 980, RussiaM. M. AggarwalPanjab University, Chandigarh 160014, IndiaZ. AhammedVariable Energy Cyclotron Centre, Kolkata 700064, IndiaI. AlekseevAlikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, RussiaJ. AlfordKent State University, Kent, OH 44242, USAA. AparinJoint Institute for Nuclear Research, Dubna, 141 980, RussiaD. ArkhipkinBrookhaven National Laboratory, Upton, NY 11973, USAE. C. AschenauerBrookhaven National Laboratory, Upton, NY 11973, USAG. S. AverichevJoint Institute for Nuclear Research, Dubna, 141 980, RussiaA. BanerjeeVariable Energy Cyclotron Centre, Kolkata 700064, IndiaR. BellwiedUniversity of Houston, Houston, TX 77204, USAA. BhasinUniversity of Jammu, Jammu 180001, IndiaA. K. BhatiPanjab University, Chandigarh 160014, IndiaP. BhattaraiUniversity of Texas, Austin, TX 78712, USAJ. BielčíkCzech Technical University in Prague, FNSPE, Prague, 115 19, Czech RepublicJ. BielčíkováNuclear Physics Institute AS CR, 250 68 e/Prague, Czech RepublicL. C. BlandBrookhaven National Laboratory, Upton, NY 11973, USAI. G. BordyuzhinAlikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, RussiaJ. BouchetKent State University, Kent, OH 44242, USAA. V. BrandinaAGH University of Science and Technology, Cracow 30-059, PolandI. BunzarovJoint Institute for Nuclear Research, Dubna, 141 980, RussiaT. P. BurtonBrookhaven National Laboratory, Upton, NY 11973, USAJ. M. ButterworthaAGH University of Science and Technology, Cracow 30-059, PolandH. CainesaAGH University of Science and Technology, Cracow 30-059, PolandM. Calderon De La Barca SanchezaAGH University of Science and Technology, Cracow 30-059, PolandJ. M. CampbellOhio State University, Columbus, OH 43210, USAD. CebraUniversity of California, Davis, CA 95616, USAM. C. CervantesaAGH University of Science and Technology, Cracow 30-059, PolandI. ChakaberiaBrookhaven National Laboratory, Upton, NY 11973, USAP. ChaloupkaCzech Technical University in Prague, FNSPE, Prague, 115 19, Czech RepublicZ. ChangaAGH University of Science and Technology, Cracow 30-059, PolandS. ChattopadhyayaAGH University of Science and Technology, Cracow 30-059, PolandJ.H. ChenaAGH University of Science and Technology, Cracow 30-059, PolandX. ChenInstitute of Modern Physics, Lanzhou 730000, ChinaJ. ChengaAGH University of Science and Technology, Cracow 30-059, PolandM. CherneyCreighton University, Omaha, NE 68178, USAW. ChristieBrookhaven National Laboratory, Upton, NY 11973, USAM. J. M. CodringtonaAGH University of Science and Technology, Cracow 30-059, PolandG. ContinLawrence Berkeley National Laboratory, Berkeley, CA 94720, USAH. J. CrawfordUniversity of California, Berkeley, CA 94720, USAS. DasInstitute of Physics, Bhubaneswar 751005, IndiaL. C. de SilvaCreighton University, Omaha, NE 68178, USAR. R. DebbeBrookhaven National Laboratory, Upton, NY 11973, USAТ. Г. ДедовичJoint Institute for Nuclear Research, Dubna, 141 980, RussiaJ. DengaAGH University of Science and Technology, Cracow 30-059, PolandA. A. DerevschikovaAGH University of Science and Technology, Cracow 30-059, PolandB. Di RuzzaBrookhaven National Laboratory, Upton, NY 11973, USAL. DidenkoBrookhaven National Laboratory, Upton, NY 11973, USAC. DilksaAGH University of Science and Technology, Cracow 30-059, PolandX. DongLawrence Berkeley National Laboratory, Berkeley, CA 94720, USAJ. L. DrachenbergaAGH University of Science and Technology, Cracow 30-059, PolandJ. E. DraperUniversity of California, Davis, CA 95616, USAC. M. DuInstitute of Modern Physics, Lanzhou 730000, ChinaL. E. DunkelbergerUniversity of California, Los Angeles, CA 90095, USAJ. C. DunlopBrookhaven National Laboratory, Upton, NY 11973, USAL. G. EfimovJoint Institute for Nuclear Research, Dubna, 141 980, RussiaJ. EngelagePennsylvania State University, University Park, PA 16802, USAG. EppleyaAGH University of Science and Technology, Cracow 30-059, PolandR. EshaUniversity of California, Los Angeles, CA 90095, USAO. EvdokimovUniversity of Illinois at Chicago, Chicago, IL 60607, USAO. EyserBrookhaven National Laboratory, Upton, NY 11973, USAR. FatemiUniversity of Kentucky, Lexington, KY 40506-0055, USAS. FazioBrookhaven National Laboratory, Upton, NY 11973, USAP. FedericNuclear Physics Institute AS CR, 250 68 e/Prague, Czech RepublicJ. FedorišinJoint Institute for Nuclear Research, Dubna, 141 980, RussiaFengCentral China Normal University (HZNU), Wuhan 430079, ChinaP. FilipJoint Institute for Nuclear Research, Dubna, 141 980, RussiaY. FisyakBrookhaven National Laboratory, Upton, NY 11973, USAC. E. FloresUniversity of California, Davis, CA 95616, USAŁ. FulekAGH University of Science and Technology, Cracow 30-059, PolandC. A. GagliardiaAGH University of Science and Technology, Cracow 30-059, PolandD. GarandaAGH University of Science and Technology, Cracow 30-059, PolandF. J. M. GeurtsaAGH University of Science and Technology, Cracow 30-059, PolandS. M. GibsonaAGH University of Science and Technology, Cracow 30-059, PolandM. Fusco GirardWarsaw University of Technology, Warsaw 00-661, PolandL. GreinerLawrence Berkeley National Laboratory, Berkeley, CA 94720, USAD. GrosnickaAGH University of Science and Technology, Cracow 30-059, PolandD. S. GunarathneaAGH University of Science and Technology, Cracow 30-059, PolandYi GuoaAGH University of Science and Technology, Cracow 30-059, PolandS. GuptaUniversity of Jammu, Jammu 180001, IndiaA. GuptaaAGH University of Science and Technology, Cracow 30-059, PolandW. GurynBrookhaven National Laboratory, Upton, NY 11973, USAA. I. HamadKent State University, Kent, OH 44242, USAA. HamedaAGH University of Science and Technology, Cracow 30-059, PolandM. R. HaqueaAGH University of Science and Technology, Cracow 30-059, PolandJ. W. HarrisaAGH University of Science and Technology, Cracow 30-059, PolandL. HeaAGH University of Science and Technology, Cracow 30-059, PolandS. HeppelmannPennsylvania State University, University Park, PA 16802, USAA. HirschaAGH University of Science and Technology, Cracow 30-059, PolandG. W. HoffmannaAGH University of Science and Technology, Cracow 30-059, PolandDavid Jonathan HofmanUniversity of Illinois at Chicago, Chicago, IL 60607, USAS. HorvataAGH University of Science and Technology, Cracow 30-059, PolandH. Z. HuangUniversity of California, Los Angeles, CA 90095, USAX. HuangaAGH University of Science and Technology, Cracow 30-059, PolandB. HuangUniversity of Illinois at Chicago, Chicago, IL 60607, USAPatrick HuckCentral China Normal University (HZNU), Wuhan 430079, ChinaT. J. HumanicOhio State University, Columbus, OH 43210, USAG. IgoUniversity of California, Los Angeles, CA 90095, USA
ABI
Аннотация
Dihadron angular correlations in d+Au collisions at sNN=200 GeV are reported as a function of the measured zero-degree calorimeter neutral energy and the forward charged hadron multiplicity in the Au-beam direction. A finite correlated yield is observed at large relative pseudorapidity (Δη) on the near side (i.e. relative azimuth Δϕ∼0). This correlated yield as a function of Δη appears to scale with the dominant, primarily jet-related, away-side (Δϕ∼π) yield. The Fourier coefficients of the Δϕ correlation, Vn=〈cosnΔϕ〉, have a strong Δη dependence. In addition, it is found that V1 is approximately inversely proportional to the mid-rapidity event multiplicity, while V2 is independent of it with similar magnitude in the forward (d-going) and backward (Au-going) directions.
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