CERN Accelerating science

Article
Report number hep-ex/0609038 ; DAPNIA-06-234 ; CERN-PH-EP-2006-029 ; CERN-PH-EP-2006-029
Title The Deuteron Spin-dependent Structure Function $g^{d}_1$ and its First Moment
Related titleSPIN DEPENDENT
Author(s)

Alexakhin, V.Yu. (Dubna, JINR) ; Alexandrov, Yu. (Lebedev Inst.) ; Alexeev, G.D. (Dubna, JINR) ; Alexeev, M. (INFN, Turin) ; Amoroso, A. (INFN, Turin) ; Balestra, F. (INFN, Turin) ; Ball, J. (SPhN, DAPNIA, Saclay) ; Barth, J. (Bonn U.) ; Baum, G. (Bielefeld U.) ; Becker, M. (Munich, Tech. U.) ; Bedfer, Y. (SPhN, DAPNIA, Saclay) ; Bernet, C. (SPhN, DAPNIA, Saclay) ; Bertini, R. (INFN, Turin) ; Bettinelli, M. (Munich U.) ; Birsa, R. (INFN, Trieste) ; Bisplinghoff, J. (Bonn U.) ; Bordalo, P. (LIP, Lisbon ; Lisbon, Tech. U.) ; Bradamante, F. (INFN, Trieste) ; Bressan, A. (INFN, Trieste) ; Brona, G. (Warsaw, Inst. Nucl. Studies) ; Burtin, E. (SPhN, DAPNIA, Saclay) ; Bussa, M.P. (INFN, Turin) ; Bytchkov, V.N. (Dubna, JINR) ; Chapiro, A. (INFN, Trieste) ; Cicuttin, A. (INFN, Trieste) ; Colantoni, M. (INFN, Turin ; Piemonte Orientale U., Alessandria) ; Colavita, A.A. (INFN, Trieste) ; Costa, S. (INFN, Turin) ; Crespo, M.L. (INFN, Trieste) ; d'Hose, N. (SPhN, DAPNIA, Saclay) ; Dalla Torre, S. (INFN, Trieste) ; Das, S. (Matrivani Inst., Calcutta) ; Dasgupta, S.S. (Burdwan U.) ; De Masi, R. (Munich, Tech. U.) ; Dedek, N. (Munich U.) ; Demchenko, D. (Mainz U., Inst. Kernphys.) ; Denisov, O.Yu. (INFN, Turin ; Dubna, JINR) ; Dhara, L. (Matrivani Inst., Calcutta) ; Diaz, V. (INFN, Trieste) ; Dinkelbach, A.M. (Munich, Tech. U.) ; Donskov, S.V. (Serpukhov, IHEP) ; Dorofeev, V.A. (Serpukhov, IHEP) ; Doshita, N. (Ruhr U., Bochum ; Nagoya U.) ; Duic, V. (INFN, Trieste) ; Dunnweber, W. (Munich U.) ; Efremov, A. (Dubna, JINR) ; Eversheim, P.D. (Bonn U.) ; Eyrich, W. (Erlangen - Nuremberg U.) ; Faessler, M. (Munich U.) ; Fauland, P. (Bielefeld U.) ; Ferrero, A. (INFN, Turin) ; Ferrero, L. (INFN, Turin) ; Finger, M. (Charles U.) ; Finger, M., jr. (Dubna, JINR) ; Fischer, H. (Freiburg U.) ; Franz, J. (Freiburg U.) ; Friedrich, J.M. (Munich, Tech. U.) ; Frolov, V. (INFN, Turin ; Dubna, JINR) ; Garfagnini, R. (INFN, Turin) ; Gautheron, F. (Bielefeld U.) ; Gavrichtchouk, O.P. (Dubna, JINR) ; Gerassimov, S. (Lebedev Inst. ; Munich, Tech. U.) ; Geyer, R. (Munich U.) ; Giorgi, M. (INFN, Trieste) ; Gobbo, B. (INFN, Trieste) ; Goertz, S. (Ruhr U., Bochum ; Bonn U.) ; Gorin, A.M. (Serpukhov, IHEP) ; Grajek, O.A. (Warsaw, Inst. Nucl. Studies) ; Grasso, A. (INFN, Turin) ; Grube, B. (Munich, Tech. U.) ; Guskov, A. (Dubna, JINR) ; Haas, F. (Munich, Tech. U.) ; Hannappel, J. (Bonn U. ; Mainz U., Inst. Kernphys.) ; von Harrach, D. (Mainz U., Inst. Kernphys.) ; Hasegawa, T. (Miyazaki U.) ; Hedicke, S. (Freiburg U.) ; Heinsius, F.H. (Freiburg U.) ; Hermann, R. (Mainz U., Inst. Kernphys.) ; Hess, C. (Ruhr U., Bochum) ; Hinterberger, F. (Bonn U.) ; von Hodenberg, M. (Freiburg U.) ; Horikawa, N. (Nagoya U. ; Chubu U.) ; Horikawa, S. (Nagoya U.) ; Horn, I. (Bonn U.) ; Ilgner, C. (CERN ; Munich U.) ; Ioukaev, A.I. (Dubna, JINR) ; Ivanchin, I. (Dubna, JINR) ; Ivanov, O. (Dubna, JINR) ; Iwata, T. (Nagoya U. ; Yamagata U.) ; Jahn, R. (Bonn U.) ; Janata, A. (Dubna, JINR) ; Joosten, R. (Bonn U.) ; Jouravlev, N.I. (Dubna, JINR) ; Kabuss, E. (Mainz U., Inst. Kernphys.) ; Kang, D. (Freiburg U.) ; Ketzer, B. (Munich, Tech. U.) ; Khaustov, G.V. (Serpukhov, IHEP) ; Khokhlov, Yu. A. (Serpukhov, IHEP) ; Kisselev, Yu. (Bielefeld U. ; Ruhr U., Bochum) ; Klein, F. (Bonn U.) ; Klimaszewski, K. (Warsaw, Inst. Nucl. Studies) ; Koblitz, S. (Mainz U., Inst. Kernphys.) ; Koivuniemi, J.H. (Ruhr U., Bochum ; Helsinki U. of Tech. ; Helsinki Inst. of Phys.) ; Kolosov, V.N. (Serpukhov, IHEP) ; Komissarov, E.V. (Dubna, JINR) ; Kondo, K. (Ruhr U., Bochum ; Nagoya U.) ; Konigsmann, K. (Freiburg U.) ; Konorov, I. (Lebedev Inst. ; Munich, Tech. U.) ; Konstantinov, V.F. (Serpukhov, IHEP) ; Korentchenko, A.S. (Dubna, JINR) ; Korzenev, A. (Mainz U., Inst. Kernphys. ; Dubna, JINR) ; Kotzinian, A.M. (Dubna, JINR ; INFN, Turin) ; Koutchinski, N.A. (Dubna, JINR) ; Kouznetsov, O. (Dubna, JINR) ; Kowalik, K. (Warsaw, Inst. Nucl. Studies) ; Kramer, D. (Liberec Tech. U.) ; Kravchuk, N.P. (Dubna, JINR) ; Krivokhizhin, G.V. (Dubna, JINR) ; Kroumchtein, Z.V. (Dubna, JINR) ; Kubart, J. (Liberec Tech. U.) ; Kuhn, R. (Munich, Tech. U.) ; Kukhtin, V. (Dubna, JINR) ; Kunne, F. (SPhN, DAPNIA, Saclay) ; Kurek, K. (Warsaw, Inst. Nucl. Studies) ; Ladygin, M.E. (Serpukhov, IHEP) ; Lamanna, M. (CERN ; INFN, Trieste) ; Le Goff, J.M. (SPhN, DAPNIA, Saclay) ; Leberig, M. (CERN ; Mainz U., Inst. Kernphys.) ; Lednev, A.A. (Serpukhov, IHEP) ; Lehmann, A. (Erlangen - Nuremberg U.) ; Lichtenstadt, J. (Tel Aviv U.) ; Liska, T. (Prague, Tech. U.) ; Ludwig, I. (Freiburg U.) ; Maggiora, A. (INFN, Turin) ; Maggiora, M. (INFN, Turin) ; Magnon, A. (SPhN, DAPNIA, Saclay) ; Mallot, G.K. (CERN) ; Marchand, C. (SPhN, DAPNIA, Saclay) ; Marroncle, J. (SPhN, DAPNIA, Saclay) ; Martin, A. (INFN, Trieste) ; Marzec, J. (Warsaw U. of Tech.) ; Masek, L. (Liberec Tech. U.) ; Massmann, F. (Bonn U.) ; Matsuda, T. (Miyazaki U.) ; Matthia, D. (Freiburg U.) ; Maximov, A.N. (Dubna, JINR) ; Meyer, W. (Ruhr U., Bochum) ; Mielech, A. (INFN, Trieste ; Warsaw, Inst. Nucl. Studies) ; Mikhailov, Yu. V. (Serpukhov, IHEP) ; Moinester, M.A. (Tel Aviv U.) ; Nagel, T. (Munich, Tech. U.) ; Nahle, O. (Bonn U.) ; Nassalski, J. (Warsaw, Inst. Nucl. Studies) ; Neliba, S. (Prague, Tech. U.) ; Neyret, D.P. (SPhN, DAPNIA, Saclay) ; Nikolaenko, V.I. (Serpukhov, IHEP) ; Nikolaev, K. (Dubna, JINR) ; Nozdrin, A.A. (Dubna, JINR) ; Obraztsov, V.F. (Serpukhov, IHEP) ; Olshevsky, A.G. (Dubna, JINR) ; Ostrick, M. (Bonn U. ; Mainz U., Inst. Kernphys.) ; Padee, A. (Warsaw U. of Tech.) ; Pagano, P. (INFN, Trieste) ; Panebianco, S. (SPhN, DAPNIA, Saclay) ; Panzieri, D. (INFN, Turin ; Piemonte Orientale U., Alessandria) ; Paul, S. (Munich, Tech. U.) ; Peshekhonov, D.V. (Dubna, JINR) ; Peshekhonov, V.D. (Dubna, JINR) ; Piragino, G. (INFN, Turin) ; Platchkov, S. (CERN ; SPhN, DAPNIA, Saclay) ; Pochodzalla, J. (Mainz U., Inst. Kernphys.) ; Polak, J. (Liberec Tech. U.) ; Polyakov, V.A. (Serpukhov, IHEP) ; Pontecorvo, G. (Dubna, JINR) ; Popov, A.A. (Dubna, JINR) ; Pretz, J. (Bonn U.) ; Procureur, S. (SPhN, DAPNIA, Saclay) ; Quintans, C. (LIP, Lisbon) ; Ramos, S. (LIP, Lisbon ; Lisbon, Tech. U.) ; Reicherz, G. (Ruhr U., Bochum) ; Rondio, E. (Warsaw, Inst. Nucl. Studies) ; Rozhdestvensky, A.M. (Dubna, JINR) ; Ryabchikov, D. (Serpukhov, IHEP) ; Samoylenko, V.D. (Serpukhov, IHEP) ; Sandacz, A. (Warsaw, Inst. Nucl. Studies) ; Santos, H. (LIP, Lisbon) ; Sapozhnikov, M.G. (Dubna, JINR) ; Savin, I.A. (Dubna, JINR) ; Schiavon, P. (INFN, Trieste) ; Schill, C. (Freiburg U.) ; Schmitt, L. (Munich, Tech. U.) ; Schroeder, W. (Erlangen - Nuremberg U.) ; Seeharsch, D. (Munich, Tech. U.) ; Seimetz, M. (SPhN, DAPNIA, Saclay) ; Setter, D. (Freiburg U.) ; Shevchenko, O.Yu. (Dubna, JINR) ; Siebert, H.W. (Heidelberg U. ; Mainz U., Inst. Kernphys.) ; Silva, L. (LIP, Lisbon) ; Sinha, L. (Matrivani Inst., Calcutta) ; Sissakian, A.N. (Dubna, JINR) ; Slunecka, M. (Dubna, JINR) ; Smirnov, G.I. (Dubna, JINR) ; Sozzi, F. (INFN, Trieste) ; Srnka, A. (Inst. Sci. Instruments, Brno) ; Stinzing, F. (Erlangen - Nuremberg U.) ; Stolarski, M. (Warsaw, Inst. Nucl. Studies) ; Sugonyaev, V.P. (Serpukhov, IHEP) ; Sulc, M. (Liberec Tech. U.) ; Sulej, R. (Warsaw U. of Tech.) ; Tchalishev, V.V. (Dubna, JINR) ; Tessaro, S. (INFN, Trieste) ; Tessarotto, F. (INFN, Trieste) ; Teufel, A. (Erlangen - Nuremberg U.) ; Tkatchev, L.G. (Dubna, JINR) ; Trippel, S. (Freiburg U.) ; Venugopal, G. (Bonn U.) ; Virius, M. (Prague, Tech. U.) ; Vlassov, N.V. (Dubna, JINR) ; Webb, R. (Erlangen - Nuremberg U.) ; Weise, E. (Bonn U. ; Freiburg U.) ; Weitzel, Q. (Munich, Tech. U.) ; Windmolders, R. (Bonn U.) ; Wislicki, W. (Warsaw, Inst. Nucl. Studies) ; Zaremba, K. (Warsaw U. of Tech.) ; Zavertyaev, M. (Lebedev Inst.) ; Zemlyanichkina, E. (Dubna, JINR) ; Zhao, J. (Mainz U., Inst. Kernphys. ; SPhN, DAPNIA, Saclay) ; Zvyagin, A. (Munich U.)

Affiliation (CERN)
Publication 2007
Imprint 11 Sep 2006
Number of pages 16
In: Phys. Lett. B 647 (2007) 8-17
DOI 10.1016/j.physletb.2006.12.076
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN SPS ; COMPASS NA58
Abstract We present a measurement of the deuteron spin-dependent structure function g^d_1 based on the data collected by the COMPASS experiment at CERN during the years 2002-2004. The data provide an accurate evaluation for \Gamma^d_1, the first moment of g^d_1(x), and for the matrix element of the singlet axial current, a_0. The results of QCD fits in the next to leading order (NLO) on all g1 deep inelastic scattering data are also presented. They provide two solutions with the gluon spin distribution function \Delta_G positive or negative, which describe the data equally well. In both cases, at Q^2 = 3(GeV/c)^2 the first moment of \Delta G is found to be of the order of 0:2 - 0:3 in absolute value.
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 Element opprettet 2006-09-21, sist endret 2025-02-19


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