Azimuthal distributions of charged hadrons, pions, and kaons produced in deep-inelastic scattering off unpolarized protons and deuterons

被引:59
作者
Airapetian, A. [15 ,18 ]
Akopov, N. [30 ]
Akopov, Z. [7 ]
Aschenauer, E. C. [8 ]
Augustyniak, W. [29 ]
Avakian, R. [30 ]
Avetissian, A. [30 ]
Avetisyan, E. [7 ]
Belostotski, S. [21 ]
Blok, H. P. [20 ,28 ]
Borissov, A. [7 ]
Bowles, J. [16 ]
Bryzgalov, V. [22 ]
Burns, J. [16 ]
Capiluppi, M. [11 ,12 ]
Cisbani, E. [24 ,25 ]
Ciullo, G. [11 ,12 ]
Contalbrigo, M. [11 ,12 ]
Dalpiaz, P. F. [11 ,12 ]
Deconinck, W. [7 ]
De Leo, R. [2 ]
De Nardo, L. [7 ,14 ]
De Sanctis, E. [13 ]
Diefenthaler, M. [10 ,17 ]
Di Nezza, P. [13 ]
Dueren, M. [15 ]
Elbakian, G. [30 ]
Ellinghaus, F. [6 ]
Fantoni, A. [13 ]
Felawka, L. [26 ]
Frullani, S. [24 ,25 ]
Gapienko, G. [22 ]
Gapienko, V. [22 ]
Garibaldi, F. [24 ,25 ]
Gavrilov, G. [7 ,21 ,26 ]
Gharibyan, V. [30 ]
Giordano, F. [11 ,12 ,17 ]
Gliske, S. [18 ]
Golembiovskaya, M. [8 ]
Hadjidakis, C. [13 ]
Hartig, M. [7 ]
Hasch, D. [13 ]
Hillenbrand, A. [8 ]
Hoek, M. [16 ]
Holler, Y. [7 ]
Hristova, I. [8 ]
Imazu, Y. [27 ]
Ivanilov, A. [22 ]
Jackson, H. E. [1 ]
Jo, H. S. [14 ]
机构
[1] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA
[2] Ist Nazl Fis Nucl, I-70124 Bari, Italy
[3] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[4] Univ Basque Country UPV EHU, Dept Theoret Phys, Bilbao 48080, Spain
[5] Basque Fdn Sci, IKERBASQUE, Bilbao 48011, Spain
[6] Univ Colorado, Nucl Phys Lab, Boulder, CO 80309 USA
[7] DESY, D-22603 Hamburg, Germany
[8] DESY, D-15738 Zeuthen, Germany
[9] Joint Inst Nucl Res, Dubna 141980, Russia
[10] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany
[11] Ist Nazl Fis Nucl, Sez Ferrara, I-44100 Ferrara, Italy
[12] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy
[13] Ist Nazl Fis Nucl, Nazl Frascati Lab, I-00044 Frascati, Italy
[14] Univ Ghent, Dept Phys & Astron, B-9000 Ghent, Belgium
[15] Univ Giessen, Inst Phys 2, D-35392 Giessen, Germany
[16] Univ Glasgow, Sch Phys & Astron, SUPA, Glasgow G12 8QQ, Lanark, Scotland
[17] Univ Illinois, Dept Phys, Urbana, IL 61801 USA
[18] Univ Michigan, Randall Lab Phys, Ann Arbor, MI 48109 USA
[19] PN Lebedev Phys Inst, Moscow 117924, Russia
[20] Natl Inst Subat Phys Nikhef, NL-1009 DB Amsterdam, Netherlands
[21] BP Konstantinov Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Regio, Russia
[22] Inst High Energy Phys, Protvino 142281, Moscow Region, Russia
[23] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany
[24] Ist Nazl Fis Nucl, Sez Roma, Grp Collegato Sanita, I-00161 Rome, Italy
[25] Ist Super Sanita, I-00161 Rome, Italy
[26] TRIUMF, Vancouver, BC V6T 2A3, Canada
[27] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan
[28] Vrije Univ Amsterdam, Dept Phys & Astron, NL-1081 HV Amsterdam, Netherlands
[29] Natl Ctr Nucl Res, PL-00689 Warsaw, Poland
[30] Yerevan Phys Inst, Yerevan 375036, Armenia
来源
PHYSICAL REVIEW D | 2013年 / 87卷 / 01期
基金
英国工程与自然科学研究理事会; 加拿大自然科学与工程研究理事会; 美国国家科学基金会; 中国国家自然科学基金; 英国科学技术设施理事会;
关键词
PHYSICS EVENT GENERATION; FINAL-STATE INTERACTIONS; DUAL RADIATOR RICH; DRELL-YAN; ANGULAR-DISTRIBUTIONS; PARTON DISTRIBUTIONS; SPIN ASYMMETRIES; HARD-SCATTERING; DEPENDENCE; ELECTROPRODUCTION;
D O I
10.1103/PhysRevD.87.012010
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The azimuthal cos phi and cos2 phi modulations of the distribution of hadrons produced in unpolarized semi-inclusive deep-inelastic scattering of electrons and positrons off hydrogen and deuterium targets have been measured in the HERMES experiment. For the first time these modulations were determined in a four-dimensional kinematic space for positively and negatively charged pions and kaons separately, as well as for unidentified hadrons. These azimuthal dependences are sensitive to the transverse motion and polarization of the quarks within the nucleon via, e.g., the Cahn, Boer-Mulders and Collins effects. DOI: 10.1103/PhysRevD.87.012010
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页数:22
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