Journal article

Measurement of the polarized structure function σLT for p((e)over-right-arrow,eπ+)n in the Δ(1232) resonance region -: art. no. 042201


Authors listJoo, K; Smith, LC; Aznauryan, IG; Burkert, VD; Minehart, R; Adams, G; Ambrozewicz, P; Anciant, E; Anghinolfi, M; Asavapibhop, B; Asryan, G; Audit, G; Auger, T; Avakian, H; Bagdasaryan, H; Ball, JP; Barrow, S; Batourine, V; Battaglieri, M; Beard, K; Bektasoglu, M; Benmouna, N; Bianchi, N; Biselli, AS; Boiarinov, S; Bonner, BE; Bouchigny, S; Bradford, R; Branford, D; Briscoe, WJ; Brooks, WK; Bültmann, S; Butuceanu, C; Calarco, JR; Carman, DS; Carnahan, B; Cetina, C; Chen, S; Ciciani, L; Cole, PL; Cords, D; Corvisiero, P; Crabb, D; Crannell, H; Cummings, JP; De Sanctis, E; DeVita, R; Degtyarenko, PV; Dennis, L; Deur, A; Dharmawardane, KV; Dhuga, KS; Djalali, C; Dodge, GE; Doughty, D; Dragovitsch, P; Dugger, M; Dytman, S; Dzyubak, OP; Egiyan, H; Egiyan, KS; Elouadrhiri, L; Empl, A; Eugenio, P; Fersch, R; Feuerbach, RJ; Forest, TA; Funsten, H; Gaff, SJ; Garçon, M; Gavalian, G; Gilad, S; Gilfoyle, GP; Giovanetti, KL; Gothe, RW; Griffioen, KA; Guidal, M; Guillo, M; Guler, N; Guo, L; Gyurjyan, V; Hadjidakis, C; Hakobyan, RS; Hardie, J; Heddle, D; Hersman, FW; Hicks, K; Hleiqawi, I; Holtrop, M; Hu, J; Hyde-Wright, CE; Ilieva, Y; Ireland, D; Ito, MM; Jenkins, D; Juengst, HG; Kellie, JD; Kelley, JH; Khandaker, M; Kim, KY; Kim, K; Kim, W; Klein, A; Klein, FJ; Klimenko, AV; Klusman, M; Kossov, M; Koubarovski, V; Kramer, LH; Kuhn, SE; Kuhn, J; Lachniet, J; Laget, JM; Langheinrich, J; Lawrence, D; Lee, T; Livingston, K; Lukashin, K; Manak, JJ; Marchand, C; McAleer, S; McNabb, JWC; Mecking, BA; Mestayer, MD; Meyer, CA; Mikhailov, K; Mirazita, M; Miskimen, R; Mokeev, V; Morand, L; Morrow, SA; Muccifora, V; Mueller, J; Mutchler, GS; Napolitano, J; Nasseripour, R; Nelson, SO; Niccolai, S; Niculescu, G; Niculescu, I; Niczyporuk, BB; Niyazov, RA; Nozar, M; O'Rielly, GV; Osipenko, M; Ostrovidov, AI; Park, K; Pasyuk, E; Peterson, G; Philips, SA; Pivnyuk, N; Pocanic, D; Pogorelko, O; Polli, E; Pozdniakov, S; Preedom, BM; Price, JW; Prok, Y; Protopopescu, D; Qin, LM; Raue, BA; Riccardi, G; Ricco, G; Ripani, M; Ritchie, BG; Ronchetti, F; Rosner, G; Rossi, P; Rowntree, D; Rubin, PD; Sabatié, F; Sabourov, K; Salgado, C; Santoro, JP; Sapunenko, V; Schumacher, RA; Serov, VS; Sharabian, YG; Shaw, J; Simionatto, S; Skabelin, AV; Smith, ES; Sober, DI; Spraker, M; Stavinsky, A; Stepanyan, S; Stepanyan, SS; Stokes, BE; Stoler, P; Strakovsky, II; Strauch, S; Taiuti, M; Taylor, S; Tedeschi, DJ; Thoma, U; Thompson, R; Tkabladze, A; Todor, L; Tur, C; Ungaro, M; Vineyard, MF; Vlassov, AV; Wang, K; Weinstein, LB; Weller, H; Weygand, DP; Williams, M; Wolin, E; Wood, MH; Yegneswaran, A; Yun, J; Zana, L

Publication year2004

JournalPhysical Review C

Volume number70

Issue number4

ISSN0556-2813

eISSN1089-490X

DOI Linkhttps://doi.org/10.1103/PhysRevC.70.042201

PublisherAmerican Physical Society


Abstract
The polarized longitudinal-transverse structure function sigma(LT') has been measured using the p((e) over right arrow ,e'pi(+))n reaction in the Delta(1232) resonance region at Q(2)=0.40 and 0.65 GeV2. No previous sigma(LT') data exist for this reaction channel. The kinematically complete experiment was performed at the Jefferson Lab with the CEBAF large acceptance spectrometer using longitudinally polarized electrons at an energy of 1.515 GeV. A partial-wave analysis of the data shows generally better agreement with recent phenomenological models of pion electroproduction compared to the previously measured pi(0)p channel. A fit to both pi(0)p and pi(+)n channels using a unitary isobar model suggests the unitarized Born terms provide a consistent description of the nonresonant background. The t-channel pion pole term is important in the pi(0)p channel through a rescattering correction, which could be model dependent.



Citation Styles

Harvard Citation styleJoo, K., Smith, L., Aznauryan, I., Burkert, V., Minehart, R., Adams, G., et al. (2004) Measurement of the polarized structure function σLT for p((e)over-right-arrow,eπ+)n in the Δ(1232) resonance region -: art. no. 042201, PHYSICAL REVIEW C, 70(4), Article 042201. https://doi.org/10.1103/PhysRevC.70.042201

APA Citation styleJoo, K., Smith, L., Aznauryan, I., Burkert, V., Minehart, R., Adams, G., Ambrozewicz, P., Anciant, E., Anghinolfi, M., Asavapibhop, B., Asryan, G., Audit, G., Auger, T., Avakian, H., Bagdasaryan, H., Ball, J., Barrow, S., Batourine, V., Battaglieri, M., ...Zana, L. (2004). Measurement of the polarized structure function σLT for p((e)over-right-arrow,eπ+)n in the Δ(1232) resonance region -: art. no. 042201. PHYSICAL REVIEW C. 70(4), Article 042201. https://doi.org/10.1103/PhysRevC.70.042201



Keywords


ELECTROPRODUCTIONPROTON

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