Next-to-leading order QCD analysis of the spin structure function g₁

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B. Adeva¹⁸, T. Akdogan², E. Arik², B. Badelek^21,23, G. Bardin^17,*, G. Baum¹, P. Berglund⁸, L. Betev¹³, R. Birsa²⁰, N. de Botton¹⁷, F. Bradamante²⁰, A. Bravar¹¹, A. Bressan^20,†, S. Bültmann^1,‡, E. Burtin¹⁷, C. Cavata¹⁷, D. Crabb²², J. Cranshaw²⁰, T. Çuhadai^2,15, S. Dalla Torre²⁰, R. van Dantzig¹⁵, B. Derro⁴, A. Deshpande²⁴, S. Dhawan²⁴, C. Dulya^15,4,§, S. Eichblatt^**, D. Fasching^16,††, F. Feinstein¹⁷, C. Fernandez^18,9, S. Forthmann⁷, B. Frois¹⁷, A. Gallas¹⁸, J. A. Garzon^18,9, H. Gilly⁶, M. Giorgi²⁰, E. von Goeler^‡‡, S. Goertz³, G. Gracia^18,a, N. de Groot^15,b, M. Grosse Perdekamp^24,c, K. Haft¹³, D. von Harrach¹¹, T. Hasegawa^14,d, P. Hautle^5,e, N. Hayashi^14,f, C. A. Heusch^5,g, N. Horikawa¹⁴, V. W. Hughes²⁴, G. Igo⁴, S. Ishimoto^14,h, T. Iwata¹⁴, E. M. Kabuß¹¹, T. Kageya^14,i, A. Karev¹⁰, H. J. Kessler^6,j, T. J. Ketel¹⁵, J. Kiryluk²³, Yu. Kisselev¹⁰, D. Krämer¹, V. Krivokhijine¹⁰, W. Kröger^5,g, V. Kukhtin¹⁰, K. Kurek²³, J. Kyynäräinen^1,8, M. Lamanna²⁰, U. Landgraf⁶, J. M. Le Goff¹⁷, F. Lehar¹⁷, A. de Lesquen¹⁷, J. Lichtenstadt¹⁹, M. Litmaath^15,†, A. Magnon¹⁷, G. K. Mallot^11,†, F. Marie¹⁷, A. Martin²⁰, J. Martino¹⁷, T. Matsuda^14,d, B. Mayes⁹, J. S. McCarthy²², K. Medved¹⁰, W. Meyer³, G. van Middelkoop¹⁵, D. Miller¹⁶, Y. Miyachi¹⁴, K. Mori¹⁴, J. Moromisato^‡‡, J. Nassalski²³, L. Naumann^5,*, T. O. Niinikoski⁵, J. E. J. Oberski¹⁵, A. Ogawa^14,k, C. Ozben², H. Pereira¹⁷, F. Perrot-Kunne¹⁷, D. Peshekhonov¹⁰, R. Piegaia^5,l, L. Pinsky⁹, S. Platchkov¹⁷, M. Plo¹⁸, D. Pose¹⁰, H. Postma¹⁵, J. Pretz^11,m, R. Puntaferro²⁰, T. Pussieux¹⁷, G. Rädel⁵, A. Rijllart⁵, G. Reicherz³, J. Robertsⁿ, M. Rodriguez^21,l, E. Rondio^23,5, I. Sabo¹⁹, J. Saborido¹⁸, A. Sandacz²³, I. Savin¹⁰, P. Schiavon²⁰, A. Schiller⁷, E. P. Sichtermann¹⁵, F. Simeoni²⁰, G. I. Smirnov¹⁰, A. Staude¹³, A. Steinmetz^11,13, U. Stiegler⁵, H. Stuhrmann⁷, M. Szleper²³, F. Tessarotto²⁰, D. Thers¹⁷, W. Tlaczala^23,o, A. Tripet¹, G. Unel², M. Velasco^16,†, J. Vogt¹³, R. Voss⁵, C. Whitten⁴, R. Windmolders¹², R. Willumeit⁷, W. Wislicki²³, A. Witzmann^6,p, J. Ylöstalo⁸, A. M. Zanetti²⁰, K. Zaremba^23,o, and J. Zhao^7,q (Spin Muon Collaboration)
¹University of Bielefeld, Physics Department, D-33501 Bielefeld, Germany
²Bogaziçi University and Istanbul Technical University, Istanbul, Turkey
³University of Bochum, Physics Department, D-44780 Bochum, Germany
⁴University of California, Department of Physics, Los Angeles, California 90024
⁵CERN, 1211 Geneva 23, Switzerland
⁶University of Freiburg, Physics Department, D-79104 Freiburg, Germany
⁷GKSS, D-21494 Geesthacht, Germany
⁸Helsinki University of Technology, Low Temperature Laboratory and Institute of Particle Physics Technology, Espoo, Finland
⁹University of Houston, Department of Physics, Houston, Texas 77204-5506
¹⁰JINR, Dubna, RU-141980 Dubna, Russia
¹¹University of Mainz, Institute for Nuclear Physics, D-55099 Mainz, Germany
¹²University of Mons, Faculty of Science, 7000 Mons, Belgium
¹³University of Munich, Physics Department, D-80799 Munich, Germany
¹⁴Nagoya University, CIRSE and Department of Physics, Furo-Cho, Chikusa-Ku, 464 Nagoya, Japan
¹⁵NIKHEF, Delft University of Technology, FOM and Free University, 1009 AJ Amsterdam, The Netherlands
¹⁶Northwestern University, Department of Physics, Evanston, Illinois 60208
¹⁷CEA Saclay, DAPNIA, 91191 Gif-sur-Yvette, France
¹⁸University of Santiago, Department of Particle Physics, 15706 Santiago de Compostela, Spain
¹⁹Tel Aviv University, School of Physics, 69978 Tel Aviv, Israel
²⁰INFN Trieste and University of Trieste, Department of Physics, 34127 Trieste, Italy
²¹Uppsala University, Department of Radiation Sciences, 75121 Uppsala, Sweden
²²University of Virginia, Department of Physics, Charlottesville, Virginia 22901
²³Soltan Institute for Nuclear Studies and Warsaw University, 00681 Warsaw, Poland
²⁴Yale University, Department of Physics, New Haven, Connecticut 06511

^*Deceased.

^†Now at CERN, 1211 Geneva 23, Switzerland.

^‡Now at University of Virginia, Department of Physics, Charlottesville, VA 22901.

^§Now at CIEMAT, Avda Complutense 22, 28040, Madrid, Spain.

^**Now at Fermi National Accelerator Laboratory, Batavia, IL 60510.

^††Now at University of Wisconsin.

^‡‡Permanent address: Northeastern University, Department of Physics, Boston, MA 02115.

^aNow at NIKHEF P.O.B. 41882, 1009 DB Amsterdam, The Netherlands.

^bNow at SLAC, Stanford, CA 94309.

^cNow at University of Mainz, Institute of Nuclear Physics, 55099, Germany.

^dPermanent address: Miyazaki University, Faculty of Engineering, 889-21 Miyazaki-Shi, Japan.

^ePermanent address: Paul Scherrer Institut, 5232 Villigen, Switzerland.

^fPermanent address: The Institute of Physical and Chemical Research (RIKEN), Wako 351-01, Japan.

^gPermanent address: University of California, Institute of Particle Physics, Santa Cruz, CA 95064.

^hPermanent address: KEK, Tsukuba-Shi, 305 Ibaraki-Ken, Japan.

ⁱNow at University of Michigan, Ann Arbor MI 48109.

^jNow at SBC Warburg Dillon Read, CH-4002 Basel, Switzerland.

^kNow at Penn. State University, 303 Osmond Lab, University Park, PA 16802.

^lPermanent address: University of Buenos Aires, Physics Department, 1428 Buenos Aires, Argentina.

^mNow at Physics Department, Yale University, New Haven CT 06520.

ⁿPermanent address: Rice University, Bonner Laboratory, Houston, TX 77251-1892.

^oPermanent address: Warsaw University of Technology, Warsaw, Poland.

^pNow at F. Hoffmann-La Roche Ltd., CH-4070 Basel, Switzerland.

^qNow at Los Alamos National Laboratory, Los Alamos, NM 87545.