Single-spin azimuthal asymmetry in exclusive electroproduction of π+ mesons on transversely polarized protons

A. Airapetian; N. Akopov; Z. Akopov; E. C. Aschenauer; W. Augustyniak; A. Avetissian; E. Avetisyan; B. Ball; S. Belostotski; N. Bianchi; H. P. Blok; H. Böttcher; C. Bonomo; A. Borissov; V. Bryzgalov; J. Burns; M. Capiluppi; G. P. Capitani; E. Cisbani; G. Ciullo; M. Contalbrigo; P. F. Dalpiaz; W. Deconinck; R. De Leo; L. De Nardo; E. De Sanctis; M. Diefenthaler; P. Di Nezza; J. Dreschler; M. Düren; M. Ehrenfried; G. Elbakian; F. Ellinghaus; R. Fabbri; A. Fantoni; L. Felawka; S. Frullani; D. Gabbert; V. Gapienko; F. Garibaldi; V. Gharibyan; F. Giordano; S. Gliske; C. Hadjidakis; M. Hartig; D. Hasch; G. Hill; A. Hillenbrand; M. Hoek; Y. Holler; I. Hristova; Y. Imazu; A. Ivanilov; H. E. Jackson; H. S. Jo; S. Joosten; R. Kaiser; T. Keri; E. Kinney; A. Kisselev; N. Kobayashi; V. Korotkov; P. Kravchenko; L. Lagamba; R. Lamb; L. Lapikás; I. Lehmann; P. Lenisa; L. A. Linden-Levy; A. López Ruiz; W. Lorenzon; X. G. Lu; X. R. Lu; B. Q. Ma; D. Mahon; N. C.R. Makins; S. I. Manaenkov; L. Manfré; Y. Mao; B. Marianski; B. Martinez de la Ossa; H. Marukyan; C. A. Miller; Y. Miyachi; A. Movsisyan; V. Muccifora; M. Murray; A. Mussgiller; E. Nappi; Y. Naryshkin; A. Nass; W. D. Nowak; L. L. Pappalardo; R. Perez-Benito; P. E. Reimer; A. R. Reolon; C. Riedl; K. Rith; G. Rosner; A. Rostomyan; J. Rubin; D. Ryckbosch; Y. Salomatin; F. Sanftl; A. Schäfer; G. Schnell; K. P. Schüler; B. Seitz; T. A. Shibata; V. Shutov; M. Stancari; M. Statera; J. J.M. Steijger; H. Stenzel; J. Stewart; S. Taroian; A. Terkulov; A. Trzcinski; M. Tytgat; A. Vandenbroucke; P. B. van der Nat; Y. Van Haarlem; C. Van Hulse; M. Varanda; D. Veretennikov; V. Vikhrov; I. Vilardi; C. Vogel; S. Wang; S. Yaschenko; H. Ye; Z. Ye; S. Yen; W. Yu; D. Zeiler; B. Zihlmann; P. Zupranski

doi:10.1016/j.physletb.2009.11.039

Single-spin azimuthal asymmetry in exclusive electroproduction of π⁺ mesons on transversely polarized protons

A. Airapetian, N. Akopov, Z. Akopov, E. C. Aschenauer, W. Augustyniak, A. Avetissian, E. Avetisyan, B. Ball, S. Belostotski, N. Bianchi, H. P. Blok, H. Böttcher, C. Bonomo, A. Borissov, V. Bryzgalov, J. Burns, M. Capiluppi, G. P. Capitani, E. Cisbani, G. CiulloM. Contalbrigo, P. F. Dalpiaz, W. Deconinck, R. De Leo, L. De Nardo, E. De Sanctis, M. Diefenthaler, P. Di Nezza, J. Dreschler, M. Düren, M. Ehrenfried, G. Elbakian, F. Ellinghaus, R. Fabbri, A. Fantoni, L. Felawka, S. Frullani, D. Gabbert, V. Gapienko, F. Garibaldi, V. Gharibyan, F. Giordano, S. Gliske, C. Hadjidakis, M. Hartig, D. Hasch, G. Hill, A. Hillenbrand, M. Hoek, Y. Holler, I. Hristova, Y. Imazu, A. Ivanilov, H. E. Jackson, H. S. Jo, S. Joosten, R. Kaiser, T. Keri, E. Kinney, A. Kisselev, N. Kobayashi, V. Korotkov, P. Kravchenko, L. Lagamba, R. Lamb, L. Lapikás, I. Lehmann, P. Lenisa, L. A. Linden-Levy, A. López Ruiz, W. Lorenzon, X. G. Lu, X. R. Lu, B. Q. Ma, D. Mahon, N. C.R. Makins, S. I. Manaenkov, L. Manfré, Y. Mao, B. Marianski, B. Martinez de la Ossa, H. Marukyan, C. A. Miller, Y. Miyachi, A. Movsisyan, V. Muccifora, M. Murray, A. Mussgiller, E. Nappi, Y. Naryshkin, A. Nass, W. D. Nowak, L. L. Pappalardo, R. Perez-Benito, P. E. Reimer, A. R. Reolon, C. Riedl, K. Rith, G. Rosner, A. Rostomyan, J. Rubin, D. Ryckbosch, Y. Salomatin, F. Sanftl, A. Schäfer, G. Schnell, K. P. Schüler, B. Seitz, T. A. Shibata, V. Shutov, M. Stancari, M. Statera, J. J.M. Steijger, H. Stenzel, J. Stewart, S. Taroian, A. Terkulov, A. Trzcinski, M. Tytgat, A. Vandenbroucke, P. B. van der Nat, Y. Van Haarlem, C. Van Hulse, M. Varanda, D. Veretennikov, V. Vikhrov, I. Vilardi, C. Vogel, S. Wang, S. Yaschenko, H. Ye, Z. Ye, S. Yen, W. Yu, D. Zeiler, B. Zihlmann, P. Zupranski

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Abstract

Exclusive electroproduction of π⁺ mesons was studied by scattering 27.6 GeV positrons or electrons off a transversely polarized hydrogen target. The single-spin azimuthal asymmetry with respect to target polarization was measured as a function of the Mandelstam variable t, the Bjorken scaling variable x_B, and the virtuality Q² of the exchanged photon. The extracted Fourier components of the asymmetry were found to be consistent with zero, except one that was found to be large and that involves interference of contributions from longitudinal and transverse virtual photons.

Original language	English
Pages (from-to)	345-350
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	682
Issue number	4-5
DOIs	https://doi.org/10.1016/j.physletb.2009.11.039
State	Published - 4 Jan 2010

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10.1016/j.physletb.2009.11.039

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Airapetian, A., Akopov, N., Akopov, Z., Aschenauer, E. C., Augustyniak, W., Avetissian, A., Avetisyan, E., Ball, B., Belostotski, S., Bianchi, N., Blok, H. P., Böttcher, H., Bonomo, C., Borissov, A., Bryzgalov, V., Burns, J., Capiluppi, M., Capitani, G. P., Cisbani, E., ... Zupranski, P. (2010). Single-spin azimuthal asymmetry in exclusive electroproduction of π⁺ mesons on transversely polarized protons. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 682(4-5), 345-350. https://doi.org/10.1016/j.physletb.2009.11.039

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title = "Single-spin azimuthal asymmetry in exclusive electroproduction of π+ mesons on transversely polarized protons",

abstract = "Exclusive electroproduction of π+ mesons was studied by scattering 27.6 GeV positrons or electrons off a transversely polarized hydrogen target. The single-spin azimuthal asymmetry with respect to target polarization was measured as a function of the Mandelstam variable t, the Bjorken scaling variable xB, and the virtuality Q2 of the exchanged photon. The extracted Fourier components of the asymmetry were found to be consistent with zero, except one that was found to be large and that involves interference of contributions from longitudinal and transverse virtual photons.",

author = "A. Airapetian and N. Akopov and Z. Akopov and Aschenauer, {E. C.} and W. Augustyniak and A. Avetissian and E. Avetisyan and B. Ball and S. Belostotski and N. Bianchi and Blok, {H. P.} and H. B{\"o}ttcher and C. Bonomo and A. Borissov and V. Bryzgalov and J. Burns and M. Capiluppi and Capitani, {G. P.} and E. Cisbani and G. Ciullo and M. Contalbrigo and Dalpiaz, {P. F.} and W. Deconinck and {De Leo}, R. and {De Nardo}, L. and {De Sanctis}, E. and M. Diefenthaler and {Di Nezza}, P. and J. Dreschler and M. D{\"u}ren and M. Ehrenfried and G. Elbakian and F. Ellinghaus and R. Fabbri and A. Fantoni and L. Felawka and S. Frullani and D. Gabbert and V. Gapienko and F. Garibaldi and V. Gharibyan and F. Giordano and S. Gliske and C. Hadjidakis and M. Hartig and D. Hasch and G. Hill and A. Hillenbrand and M. Hoek and Y. Holler and I. Hristova and Y. Imazu and A. Ivanilov and Jackson, {H. E.} and Jo, {H. S.} and S. Joosten and R. Kaiser and T. Keri and E. Kinney and A. Kisselev and N. Kobayashi and V. Korotkov and P. Kravchenko and L. Lagamba and R. Lamb and L. Lapik{\'a}s and I. Lehmann and P. Lenisa and Linden-Levy, {L. A.} and {L{\'o}pez Ruiz}, A. and W. Lorenzon and Lu, {X. G.} and Lu, {X. R.} and Ma, {B. Q.} and D. Mahon and Makins, {N. C.R.} and Manaenkov, {S. I.} and L. Manfr{\'e} and Y. Mao and B. Marianski and {Martinez de la Ossa}, B. and H. Marukyan and Miller, {C. A.} and Y. Miyachi and A. Movsisyan and V. Muccifora and M. Murray and A. Mussgiller and E. Nappi and Y. Naryshkin and A. Nass and Nowak, {W. D.} and Pappalardo, {L. L.} and R. Perez-Benito and Reimer, {P. E.} and Reolon, {A. R.} and C. Riedl and K. Rith and G. Rosner and A. Rostomyan and J. Rubin and D. Ryckbosch and Y. Salomatin and F. Sanftl and A. Sch{\"a}fer and G. Schnell and Sch{\"u}ler, {K. P.} and B. Seitz and Shibata, {T. A.} and V. Shutov and M. Stancari and M. Statera and Steijger, {J. J.M.} and H. Stenzel and J. Stewart and S. Taroian and A. Terkulov and A. Trzcinski and M. Tytgat and A. Vandenbroucke and {van der Nat}, {P. B.} and {Van Haarlem}, Y. and {Van Hulse}, C. and M. Varanda and D. Veretennikov and V. Vikhrov and I. Vilardi and C. Vogel and S. Wang and S. Yaschenko and H. Ye and Z. Ye and S. Yen and W. Yu and D. Zeiler and B. Zihlmann and P. Zupranski",

year = "2010",

month = jan,

day = "4",

doi = "10.1016/j.physletb.2009.11.039",

language = "English",

volume = "682",

pages = "345--350",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier B.V.",

number = "4-5",

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Airapetian, A, Akopov, N, Akopov, Z, Aschenauer, EC, Augustyniak, W, Avetissian, A, Avetisyan, E, Ball, B, Belostotski, S, Bianchi, N, Blok, HP, Böttcher, H, Bonomo, C, Borissov, A, Bryzgalov, V, Burns, J, Capiluppi, M, Capitani, GP, Cisbani, E, Ciullo, G, Contalbrigo, M, Dalpiaz, PF, Deconinck, W, De Leo, R, De Nardo, L, De Sanctis, E, Diefenthaler, M, Di Nezza, P, Dreschler, J, Düren, M, Ehrenfried, M, Elbakian, G, Ellinghaus, F, Fabbri, R, Fantoni, A, Felawka, L, Frullani, S, Gabbert, D, Gapienko, V, Garibaldi, F, Gharibyan, V, Giordano, F, Gliske, S, Hadjidakis, C, Hartig, M, Hasch, D, Hill, G, Hillenbrand, A, Hoek, M, Holler, Y, Hristova, I, Imazu, Y, Ivanilov, A, Jackson, HE, Jo, HS, Joosten, S, Kaiser, R, Keri, T, Kinney, E, Kisselev, A, Kobayashi, N, Korotkov, V, Kravchenko, P, Lagamba, L, Lamb, R, Lapikás, L, Lehmann, I, Lenisa, P, Linden-Levy, LA, López Ruiz, A, Lorenzon, W, Lu, XG, Lu, XR, Ma, BQ, Mahon, D, Makins, NCR, Manaenkov, SI, Manfré, L, Mao, Y, Marianski, B, Martinez de la Ossa, B, Marukyan, H, Miller, CA, Miyachi, Y, Movsisyan, A, Muccifora, V, Murray, M, Mussgiller, A, Nappi, E, Naryshkin, Y, Nass, A, Nowak, WD, Pappalardo, LL, Perez-Benito, R, Reimer, PE, Reolon, AR, Riedl, C, Rith, K, Rosner, G, Rostomyan, A, Rubin, J, Ryckbosch, D, Salomatin, Y, Sanftl, F, Schäfer, A, Schnell, G, Schüler, KP, Seitz, B, Shibata, TA, Shutov, V, Stancari, M, Statera, M, Steijger, JJM, Stenzel, H, Stewart, J, Taroian, S, Terkulov, A, Trzcinski, A, Tytgat, M, Vandenbroucke, A, van der Nat, PB, Van Haarlem, Y, Van Hulse, C, Varanda, M, Veretennikov, D, Vikhrov, V, Vilardi, I, Vogel, C, Wang, S, Yaschenko, S, Ye, H, Ye, Z, Yen, S, Yu, W, Zeiler, D, Zihlmann, B & Zupranski, P 2010, 'Single-spin azimuthal asymmetry in exclusive electroproduction of π⁺ mesons on transversely polarized protons', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 682, no. 4-5, pp. 345-350. https://doi.org/10.1016/j.physletb.2009.11.039

TY - JOUR

T1 - Single-spin azimuthal asymmetry in exclusive electroproduction of π+ mesons on transversely polarized protons

AU - Airapetian, A.

AU - Akopov, N.

AU - Akopov, Z.

AU - Aschenauer, E. C.

AU - Augustyniak, W.

AU - Avetissian, A.

AU - Avetisyan, E.

AU - Ball, B.

AU - Belostotski, S.

AU - Bianchi, N.

AU - Blok, H. P.

AU - Böttcher, H.

AU - Bonomo, C.

AU - Borissov, A.

AU - Bryzgalov, V.

AU - Burns, J.

AU - Capiluppi, M.

AU - Capitani, G. P.

AU - Cisbani, E.

AU - Ciullo, G.

AU - Contalbrigo, M.

AU - Dalpiaz, P. F.

AU - Deconinck, W.

AU - De Leo, R.

AU - De Nardo, L.

AU - De Sanctis, E.

AU - Diefenthaler, M.

AU - Di Nezza, P.

AU - Dreschler, J.

AU - Düren, M.

AU - Ehrenfried, M.

AU - Elbakian, G.

AU - Ellinghaus, F.

AU - Fabbri, R.

AU - Fantoni, A.

AU - Felawka, L.

AU - Frullani, S.

AU - Gabbert, D.

AU - Gapienko, V.

AU - Garibaldi, F.

AU - Gharibyan, V.

AU - Giordano, F.

AU - Gliske, S.

AU - Hadjidakis, C.

AU - Hartig, M.

AU - Hasch, D.

AU - Hill, G.

AU - Hillenbrand, A.

AU - Hoek, M.

AU - Holler, Y.

AU - Hristova, I.

AU - Imazu, Y.

AU - Ivanilov, A.

AU - Jackson, H. E.

AU - Jo, H. S.

AU - Joosten, S.

AU - Kaiser, R.

AU - Keri, T.

AU - Kinney, E.

AU - Kisselev, A.

AU - Kobayashi, N.

AU - Korotkov, V.

AU - Kravchenko, P.

AU - Lagamba, L.

AU - Lamb, R.

AU - Lapikás, L.

AU - Lehmann, I.

AU - Lenisa, P.

AU - Linden-Levy, L. A.

AU - López Ruiz, A.

AU - Lorenzon, W.

AU - Lu, X. G.

AU - Lu, X. R.

AU - Ma, B. Q.

AU - Mahon, D.

AU - Makins, N. C.R.

AU - Manaenkov, S. I.

AU - Manfré, L.

AU - Mao, Y.

AU - Marianski, B.

AU - Martinez de la Ossa, B.

AU - Marukyan, H.

AU - Miller, C. A.

AU - Miyachi, Y.

AU - Movsisyan, A.

AU - Muccifora, V.

AU - Murray, M.

AU - Mussgiller, A.

AU - Nappi, E.

AU - Naryshkin, Y.

AU - Nass, A.

AU - Nowak, W. D.

AU - Pappalardo, L. L.

AU - Perez-Benito, R.

AU - Reimer, P. E.

AU - Reolon, A. R.

AU - Riedl, C.

AU - Rith, K.

AU - Rosner, G.

AU - Rostomyan, A.

AU - Rubin, J.

AU - Ryckbosch, D.

AU - Salomatin, Y.

AU - Sanftl, F.

AU - Schäfer, A.

AU - Schnell, G.

AU - Schüler, K. P.

AU - Seitz, B.

AU - Shibata, T. A.

AU - Shutov, V.

AU - Stancari, M.

AU - Statera, M.

AU - Steijger, J. J.M.

AU - Stenzel, H.

AU - Stewart, J.

AU - Taroian, S.

AU - Terkulov, A.

AU - Trzcinski, A.

AU - Tytgat, M.

AU - Vandenbroucke, A.

AU - van der Nat, P. B.

AU - Van Haarlem, Y.

AU - Van Hulse, C.

AU - Varanda, M.

AU - Veretennikov, D.

AU - Vikhrov, V.

AU - Vilardi, I.

AU - Vogel, C.

AU - Wang, S.

AU - Yaschenko, S.

AU - Ye, H.

AU - Ye, Z.

AU - Yen, S.

AU - Yu, W.

AU - Zeiler, D.

AU - Zihlmann, B.

AU - Zupranski, P.

PY - 2010/1/4

Y1 - 2010/1/4

N2 - Exclusive electroproduction of π+ mesons was studied by scattering 27.6 GeV positrons or electrons off a transversely polarized hydrogen target. The single-spin azimuthal asymmetry with respect to target polarization was measured as a function of the Mandelstam variable t, the Bjorken scaling variable xB, and the virtuality Q2 of the exchanged photon. The extracted Fourier components of the asymmetry were found to be consistent with zero, except one that was found to be large and that involves interference of contributions from longitudinal and transverse virtual photons.

AB - Exclusive electroproduction of π+ mesons was studied by scattering 27.6 GeV positrons or electrons off a transversely polarized hydrogen target. The single-spin azimuthal asymmetry with respect to target polarization was measured as a function of the Mandelstam variable t, the Bjorken scaling variable xB, and the virtuality Q2 of the exchanged photon. The extracted Fourier components of the asymmetry were found to be consistent with zero, except one that was found to be large and that involves interference of contributions from longitudinal and transverse virtual photons.

UR - http://www.scopus.com/inward/record.url?scp=72149118480&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2009.11.039

DO - 10.1016/j.physletb.2009.11.039

M3 - Article

AN - SCOPUS:72149118480

SN - 0370-2693

VL - 682

SP - 345

EP - 350

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 4-5

ER -

Single-spin azimuthal asymmetry in exclusive electroproduction of π⁺ mesons on transversely polarized protons

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