Precise determination of the deuteron spin structure at low to moderate Q2 with CLAS and extraction of the neutron contribution

N. Guler R. G. Fersch S. E. Kuhn P. Bosted K. A. Griffioen C. Keith R. Minehart Y. Prok K. P. Adhikari D. Adikaram M. J. Amaryan M. D. Anderson S. Anefalos Pereira H. Avakian J. Ball 1 M. Battaglieri V. Batourine I. Bedlinskiy A. Biselli W. J. Briscoe W. K. Brooks S. Bültmann V. D. Burkert D. S. Carman A. Celentano S. Chandavar G. Charles 2 L. Colaneri P. L. Cole M. Contalbrigo D. Crabb V. Crede A. d'Angelo N. Dashyan A. Deur C. Djalali G. E. Dodge R. Dupre 2 A. El Alaoui L. El Fassi L. Elouadrhiri P. Eugenio G. Fedotov S. Fegan A. Filippi J. A. Fleming T. A. Forest B. Garillon 2 M. Garçon 1 N. Gevorgyan G. P. Gilfoyle K. L. Giovanetti F. X. Girod 1 J. T. Goetz E. Golovatch R. W. Gothe M. Guidal 2 L. Guo K. Hafidi H. Hakobyan N. Harrison M. Hattawy 2 K. Hicks D. Ho M. Holtrop S. M. Hughes C. E. Hyde D. G. Ireland B. S. Ishkhanov E. L. Isupov H. S. Jo 2 K. Joo S. Joosten D. Keller M. Khandaker A. Kim W. Kim A. Klein F. J. Klein V. Kubarovsky S. V. Kuleshov K. Livingston H. Y. Lu M. Mayer I. J. D. Macgregor B. Mckinnon M. Mirazita V. Mokeev R. A. Montgomery A. Movsisyan C. Munoz Camacho 2 P. Nadel-Turonski L. A. Net I. Niculescu M. Osipenko A. I. Ostrovidov K. Park E. Pasyuk S. Pisano O. Pogorelko J. W. Price S. Procureur 1 M. Ripani A. Rizzo G. Rosner P. Rossi P. Roy F. Sabatié 1 C. Salgado D. Schott R. A. Schumacher E. Seder A. Simonyan Iu. Skorodumina D. Sokhan N. Sparveris I. I. Strakovsky S. Strauch V. Sytnik Ye Tian S. Tkachenko M. Ungaro E. Voutier 2 N. K. Walford X. Wei L. B. Weinstein M. H. Wood N. Zachariou L. Zana J. Zhang Z. W. Zhao I. Zonta
Abstract : We present the final results for the deuteron spin structure functions obtained from the full data set collected in 2000–2001 with Jefferson Lab's continuous electron beam accelerator facility (CEBAF) using the CEBAF large acceptance spectrometer (CLAS). Polarized electrons with energies of 1.6, 2.5, 4.2, and 5.8 GeV were scattered from deuteron (15ND3) targets, dynamically polarized along the beam direction, and detected with CLAS. From the measured double-spin asymmetry, the virtual photon absorption asymmetry Ad1 and the polarized structure function gd1 were extracted over a wide kinematic range (0.05GeV2
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N. Guler, R. G. Fersch, S. E. Kuhn, P. Bosted, K. A. Griffioen, et al.. Precise determination of the deuteron spin structure at low to moderate Q2 with CLAS and extraction of the neutron contribution. Physical Review C, American Physical Society, 2015, 92 (5), pp.055201 ⟨10.1103/PhysRevC.92.055201⟩. ⟨in2p3-01258171⟩

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