Virtual Compton scattering and neutral pion electroproduction in the resonance region up to the deep inelastic region at backward angles

G. Laveissière; N. Degrande; S. Jaminion; C. Jutier; L. Todor; R. Di Salvo; L. Van Hoorebeke; L. C. Alexa; B. D. Anderson; K. A. Aniol; K. Arundell; G. Audit; L. Auerbach; F. T. Baker; M. Baylac; J. Berthot; P. Y. Bertin; W. Bertozzi; L. Bimbot; W. U. Boeglin; E. J. Brash; V. Breton; H. Breuer; E. Burtin; J. R. Calarco; L. S. Cardman; C. Cavata; C. C. Chang; J. P. Chen; E. Chudakov; E. Cisbani; D. S. Dale; C. W. De Jager; R. De Leo; A. Deur; N. D'Hose; G. E. Dodge; J. J. Domingo; L. Elouadrhiri; M. B. Epstein; L. A. Ewell; J. M. Finn; K. G. Fissum; H. Fonvieille; G. Fournier; B. Frois; S. Frullani; C. Furget; H. Gao; J. Gao; F. Garibaldi; A. Gasparian; S. Gilad; R. Gilman; A. Glamazdin; C. Glashausser; J. Gomez; V. Gorbenko; P. Grenier; P. A.M. Guichon; J. O. Hansen; R. Holmes; M. Holtrop; C. Howell; G. M. Huber; C. E. Hyde; S. Incerti; M. Iodice; J. Jardillier; M. K. Jones; W. Kahl; S. Kamalov; S. Kato; A. T. Katramatou; J. J. Kelly; S. Kerhoas; A. Ketikyan; M. Khayat; K. Kino; S. Kox; L. H. Kramer; K. S. Kumar; G. Kumbartzki; M. Kuss; A. Leone; J. J. LeRose; M. Liang; R. A. Lindgren; N. Liyanage; G. J. Lolos; R. W. Lourie; R. Madey; K. Maeda; S. Malov; D. M. Manley; C. Marchand; D. Marchand; D. J. Margaziotis; P. Markowitz; J. Marroncle; J. Martino; K. McCormick; J. McIntyre; S. Mehrabyan; F. Merchez; Z. E. Meziani; R. Michaels; G. W. Miller; J. Y. Mougey; S. K. Nanda; D. Neyret; E. A.J.M. Offermann; Z. Papandreou; C. F. Perdrisat; R. Perrino; G. G. Petratos; S. Platchkov; R. Pomatsalyuk; D. L. Prout; V. A. Punjabi; T. Pussieux; G. Quémenér; R. D. Ransome; O. Ravel; J. S. Real; F. Renard; Y. Roblin; D. Rowntree; G. Rutledge; P. M. Rutt; A. Saha; T. Saito; A. J. Sarty; A. Serdarevic; T. Smith; G. Smirnov; K. Soldi; P. Sorokin; P. A. Souder; R. Suleiman; J. A. Templon; T. Terasawa; L. Tiator; R. Tieulent; E. Tomasi-Gustaffson; H. Tsubota; H. Ueno; P. E. Ulmer; G. M. Urciuoli; R. Van De Vyver; R. L.J. Van Der Meer; P. Vernin; B. Vlahovic; H. Voskanyan; E. Voutier; J. W. Watson; L. B. Weinstein; K. Wijesooriya; R. Wilson; B. B. Wojtsekhowski; D. G. Zainea; W. M. Zhang; J. Zhao; Z. L. Zhou

doi:10.1103/PhysRevC.79.015201

Virtual Compton scattering and neutral pion electroproduction in the resonance region up to the deep inelastic region at backward angles

G. Laveissière, N. Degrande, S. Jaminion, C. Jutier, L. Todor, R. Di Salvo, L. Van Hoorebeke, L. C. Alexa, B. D. Anderson, K. A. Aniol, K. Arundell, G. Audit, L. Auerbach, F. T. Baker, M. Baylac, J. Berthot, P. Y. Bertin, W. Bertozzi, L. Bimbot, W. U. BoeglinE. J. Brash, V. Breton, H. Breuer, E. Burtin, J. R. Calarco, L. S. Cardman, C. Cavata, C. C. Chang, J. P. Chen, E. Chudakov, E. Cisbani, D. S. Dale, C. W. De Jager, R. De Leo, A. Deur, N. D'Hose, G. E. Dodge, J. J. Domingo, L. Elouadrhiri, M. B. Epstein, L. A. Ewell, J. M. Finn, K. G. Fissum, H. Fonvieille, G. Fournier, B. Frois, S. Frullani, C. Furget, H. Gao, J. Gao, F. Garibaldi, A. Gasparian, S. Gilad, R. Gilman, A. Glamazdin, C. Glashausser, J. Gomez, V. Gorbenko, P. Grenier, P. A.M. Guichon, J. O. Hansen, R. Holmes, M. Holtrop, C. Howell, G. M. Huber, C. E. Hyde, S. Incerti, M. Iodice, J. Jardillier, M. K. Jones, W. Kahl, S. Kamalov, S. Kato, A. T. Katramatou, J. J. Kelly, S. Kerhoas, A. Ketikyan, M. Khayat, K. Kino, S. Kox, L. H. Kramer, K. S. Kumar, G. Kumbartzki, M. Kuss, A. Leone, J. J. LeRose, M. Liang, R. A. Lindgren, N. Liyanage, G. J. Lolos, R. W. Lourie, R. Madey, K. Maeda, S. Malov, D. M. Manley, C. Marchand, D. Marchand, D. J. Margaziotis, P. Markowitz, J. Marroncle, J. Martino, K. McCormick, J. McIntyre, S. Mehrabyan, F. Merchez, Z. E. Meziani, R. Michaels, G. W. Miller, J. Y. Mougey, S. K. Nanda, D. Neyret, E. A.J.M. Offermann, Z. Papandreou, C. F. Perdrisat, R. Perrino, G. G. Petratos, S. Platchkov, R. Pomatsalyuk, D. L. Prout, V. A. Punjabi, T. Pussieux, G. Quémenér, R. D. Ransome, O. Ravel, J. S. Real, F. Renard, Y. Roblin, D. Rowntree, G. Rutledge, P. M. Rutt, A. Saha, T. Saito, A. J. Sarty, A. Serdarevic, T. Smith, G. Smirnov, K. Soldi, P. Sorokin, P. A. Souder, R. Suleiman, J. A. Templon, T. Terasawa, L. Tiator, R. Tieulent, E. Tomasi-Gustaffson, H. Tsubota, H. Ueno, P. E. Ulmer, G. M. Urciuoli, R. Van De Vyver, R. L.J. Van Der Meer, P. Vernin, B. Vlahovic, H. Voskanyan, E. Voutier, J. W. Watson, L. B. Weinstein, K. Wijesooriya, R. Wilson, B. B. Wojtsekhowski, D. G. Zainea, W. M. Zhang, J. Zhao, Z. L. Zhou

Department of Physics

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2 Scopus citations

Abstract

We have made the first measurements of the virtual Compton scattering (VCS) process via the H(e, e'p)γ exclusive reaction in the nucleon resonance region, at backward angles. Results are presented for the W-dependence at fixed Q2=1 GeV2 and for the Q2 dependence at fixed W near 1.5 GeV. The VCS data show resonant structures in the first and second resonance regions. The observed Q2 dependence is smooth. The measured ratio of H(e, e'p)γ to H(e, e'p)π0 cross sections emphasizes the different sensitivity of these two reactions to the various nucleon resonances. Finally, when compared to real Compton scattering (RCS) at high energy and large angles, our VCS data at the highest W (1.8-1.9 GeV) show a striking Q2 independence, which may suggest a transition to a perturbative scattering mechanism at the quark level.

Original language	English (US)
Article number	015201
Journal	Physical Review C - Nuclear Physics
Volume	79
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.79.015201
State	Published - Jan 5 2009

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.79.015201

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Laveissière, G., Degrande, N., Jaminion, S., Jutier, C., Todor, L., Di Salvo, R., Van Hoorebeke, L., Alexa, L. C., Anderson, B. D., Aniol, K. A., Arundell, K., Audit, G., Auerbach, L., Baker, F. T., Baylac, M., Berthot, J., Bertin, P. Y., Bertozzi, W., Bimbot, L., ... Zhou, Z. L. (2009). Virtual Compton scattering and neutral pion electroproduction in the resonance region up to the deep inelastic region at backward angles. Physical Review C - Nuclear Physics, 79(1), [015201]. https://doi.org/10.1103/PhysRevC.79.015201

Laveissière, G, Degrande, N, Jaminion, S, Jutier, C, Todor, L, Di Salvo, R, Van Hoorebeke, L, Alexa, LC, Anderson, BD, Aniol, KA, Arundell, K, Audit, G, Auerbach, L, Baker, FT, Baylac, M, Berthot, J, Bertin, PY, Bertozzi, W, Bimbot, L, Boeglin, WU, Brash, EJ, Breton, V, Breuer, H, Burtin, E, Calarco, JR, Cardman, LS, Cavata, C, Chang, CC, Chen, JP, Chudakov, E, Cisbani, E, Dale, DS, De Jager, CW, De Leo, R, Deur, A, D'Hose, N, Dodge, GE, Domingo, JJ, Elouadrhiri, L, Epstein, MB, Ewell, LA, Finn, JM, Fissum, KG, Fonvieille, H, Fournier, G, Frois, B, Frullani, S, Furget, C, Gao, H, Gao, J, Garibaldi, F, Gasparian, A, Gilad, S, Gilman, R, Glamazdin, A, Glashausser, C, Gomez, J, Gorbenko, V, Grenier, P, Guichon, PAM, Hansen, JO, Holmes, R, Holtrop, M, Howell, C, Huber, GM, Hyde, CE, Incerti, S, Iodice, M, Jardillier, J, Jones, MK, Kahl, W, Kamalov, S, Kato, S, Katramatou, AT, Kelly, JJ, Kerhoas, S, Ketikyan, A, Khayat, M, Kino, K, Kox, S, Kramer, LH, Kumar, KS, Kumbartzki, G, Kuss, M, Leone, A, LeRose, JJ, Liang, M, Lindgren, RA, Liyanage, N, Lolos, GJ, Lourie, RW, Madey, R, Maeda, K, Malov, S, Manley, DM, Marchand, C, Marchand, D, Margaziotis, DJ, Markowitz, P, Marroncle, J, Martino, J, McCormick, K, McIntyre, J, Mehrabyan, S, Merchez, F, Meziani, ZE, Michaels, R, Miller, GW, Mougey, JY, Nanda, SK, Neyret, D, Offermann, EAJM, Papandreou, Z, Perdrisat, CF, Perrino, R, Petratos, GG, Platchkov, S, Pomatsalyuk, R, Prout, DL, Punjabi, VA, Pussieux, T, Quémenér, G, Ransome, RD, Ravel, O, Real, JS, Renard, F, Roblin, Y, Rowntree, D, Rutledge, G, Rutt, PM, Saha, A, Saito, T, Sarty, AJ, Serdarevic, A, Smith, T, Smirnov, G, Soldi, K, Sorokin, P, Souder, PA, Suleiman, R, Templon, JA, Terasawa, T, Tiator, L, Tieulent, R, Tomasi-Gustaffson, E, Tsubota, H, Ueno, H, Ulmer, PE, Urciuoli, GM, Van De Vyver, R, Van Der Meer, RLJ, Vernin, P, Vlahovic, B, Voskanyan, H, Voutier, E, Watson, JW, Weinstein, LB, Wijesooriya, K, Wilson, R, Wojtsekhowski, BB, Zainea, DG, Zhang, WM, Zhao, J & Zhou, ZL 2009, 'Virtual Compton scattering and neutral pion electroproduction in the resonance region up to the deep inelastic region at backward angles', Physical Review C - Nuclear Physics, vol. 79, no. 1, 015201. https://doi.org/10.1103/PhysRevC.79.015201

@article{f249d376430d4382845e3b2af406e6d6,

title = "Virtual Compton scattering and neutral pion electroproduction in the resonance region up to the deep inelastic region at backward angles",

abstract = "We have made the first measurements of the virtual Compton scattering (VCS) process via the H(e, e'p)γ exclusive reaction in the nucleon resonance region, at backward angles. Results are presented for the W-dependence at fixed Q2=1 GeV2 and for the Q2 dependence at fixed W near 1.5 GeV. The VCS data show resonant structures in the first and second resonance regions. The observed Q2 dependence is smooth. The measured ratio of H(e, e'p)γ to H(e, e'p)π0 cross sections emphasizes the different sensitivity of these two reactions to the various nucleon resonances. Finally, when compared to real Compton scattering (RCS) at high energy and large angles, our VCS data at the highest W (1.8-1.9 GeV) show a striking Q2 independence, which may suggest a transition to a perturbative scattering mechanism at the quark level.",

author = "G. Laveissi{\`e}re and N. Degrande and S. Jaminion and C. Jutier and L. Todor and {Di Salvo}, R. and {Van Hoorebeke}, L. and Alexa, {L. C.} and Anderson, {B. D.} and Aniol, {K. A.} and K. Arundell and G. Audit and L. Auerbach and Baker, {F. T.} and M. Baylac and J. Berthot and Bertin, {P. Y.} and W. Bertozzi and L. Bimbot and Boeglin, {W. U.} and Brash, {E. J.} and V. Breton and H. Breuer and E. Burtin and Calarco, {J. R.} and Cardman, {L. S.} and C. Cavata and Chang, {C. C.} and Chen, {J. P.} and E. Chudakov and E. Cisbani and Dale, {D. S.} and {De Jager}, {C. W.} and {De Leo}, R. and A. Deur and N. D'Hose and Dodge, {G. E.} and Domingo, {J. J.} and L. Elouadrhiri and Epstein, {M. B.} and Ewell, {L. A.} and Finn, {J. M.} and Fissum, {K. G.} and H. Fonvieille and G. Fournier and B. Frois and S. Frullani and C. Furget and H. Gao and J. Gao and F. Garibaldi and A. Gasparian and S. Gilad and R. Gilman and A. Glamazdin and C. Glashausser and J. Gomez and V. Gorbenko and P. Grenier and Guichon, {P. A.M.} and Hansen, {J. O.} and R. Holmes and M. Holtrop and C. Howell and Huber, {G. M.} and Hyde, {C. E.} and S. Incerti and M. Iodice and J. Jardillier and Jones, {M. K.} and W. Kahl and S. Kamalov and S. Kato and Katramatou, {A. T.} and Kelly, {J. J.} and S. Kerhoas and A. Ketikyan and M. Khayat and K. Kino and S. Kox and Kramer, {L. H.} and Kumar, {K. S.} and G. Kumbartzki and M. Kuss and A. Leone and LeRose, {J. J.} and M. Liang and Lindgren, {R. A.} and N. Liyanage and Lolos, {G. J.} and Lourie, {R. W.} and R. Madey and K. Maeda and S. Malov and Manley, {D. M.} and C. Marchand and D. Marchand and Margaziotis, {D. J.} and P. Markowitz and J. Marroncle and J. Martino and K. McCormick and J. McIntyre and S. Mehrabyan and F. Merchez and Meziani, {Z. E.} and R. Michaels and Miller, {G. W.} and Mougey, {J. Y.} and Nanda, {S. K.} and D. Neyret and Offermann, {E. A.J.M.} and Z. Papandreou and Perdrisat, {C. F.} and R. Perrino and Petratos, {G. G.} and S. Platchkov and R. Pomatsalyuk and Prout, {D. L.} and Punjabi, {V. A.} and T. Pussieux and G. Qu{\'e}men{\'e}r and Ransome, {R. D.} and O. Ravel and Real, {J. S.} and F. Renard and Y. Roblin and D. Rowntree and G. Rutledge and Rutt, {P. M.} and A. Saha and T. Saito and Sarty, {A. J.} and A. Serdarevic and T. Smith and G. Smirnov and K. Soldi and P. Sorokin and Souder, {P. A.} and R. Suleiman and Templon, {J. A.} and T. Terasawa and L. Tiator and R. Tieulent and E. Tomasi-Gustaffson and H. Tsubota and H. Ueno and Ulmer, {P. E.} and Urciuoli, {G. M.} and {Van De Vyver}, R. and {Van Der Meer}, {R. L.J.} and P. Vernin and B. Vlahovic and H. Voskanyan and E. Voutier and Watson, {J. W.} and Weinstein, {L. B.} and K. Wijesooriya and R. Wilson and Wojtsekhowski, {B. B.} and Zainea, {D. G.} and Zhang, {W. M.} and J. Zhao and Zhou, {Z. L.}",

year = "2009",

month = jan,

day = "5",

doi = "10.1103/PhysRevC.79.015201",

language = "English (US)",

volume = "79",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

publisher = "American Physical Society",

number = "1",

}

TY - JOUR

T1 - Virtual Compton scattering and neutral pion electroproduction in the resonance region up to the deep inelastic region at backward angles

AU - Laveissière, G.

AU - Degrande, N.

AU - Jaminion, S.

AU - Jutier, C.

AU - Todor, L.

AU - Di Salvo, R.

AU - Van Hoorebeke, L.

AU - Alexa, L. C.

AU - Anderson, B. D.

AU - Aniol, K. A.

AU - Arundell, K.

AU - Audit, G.

AU - Auerbach, L.

AU - Baker, F. T.

AU - Baylac, M.

AU - Berthot, J.

AU - Bertin, P. Y.

AU - Bertozzi, W.

AU - Bimbot, L.

AU - Boeglin, W. U.

AU - Brash, E. J.

AU - Breton, V.

AU - Breuer, H.

AU - Burtin, E.

AU - Calarco, J. R.

AU - Cardman, L. S.

AU - Cavata, C.

AU - Chang, C. C.

AU - Chen, J. P.

AU - Chudakov, E.

AU - Cisbani, E.

AU - Dale, D. S.

AU - De Jager, C. W.

AU - De Leo, R.

AU - Deur, A.

AU - D'Hose, N.

AU - Dodge, G. E.

AU - Domingo, J. J.

AU - Elouadrhiri, L.

AU - Epstein, M. B.

AU - Ewell, L. A.

AU - Finn, J. M.

AU - Fissum, K. G.

AU - Fonvieille, H.

AU - Fournier, G.

AU - Frois, B.

AU - Frullani, S.

AU - Furget, C.

AU - Gao, H.

AU - Gao, J.

AU - Garibaldi, F.

AU - Gasparian, A.

AU - Gilad, S.

AU - Gilman, R.

AU - Glamazdin, A.

AU - Glashausser, C.

AU - Gomez, J.

AU - Gorbenko, V.

AU - Grenier, P.

AU - Guichon, P. A.M.

AU - Hansen, J. O.

AU - Holmes, R.

AU - Holtrop, M.

AU - Howell, C.

AU - Huber, G. M.

AU - Hyde, C. E.

AU - Incerti, S.

AU - Iodice, M.

AU - Jardillier, J.

AU - Jones, M. K.

AU - Kahl, W.

AU - Kamalov, S.

AU - Kato, S.

AU - Katramatou, A. T.

AU - Kelly, J. J.

AU - Kerhoas, S.

AU - Ketikyan, A.

AU - Khayat, M.

AU - Kino, K.

AU - Kox, S.

AU - Kramer, L. H.

AU - Kumar, K. S.

AU - Kumbartzki, G.

AU - Kuss, M.

AU - Leone, A.

AU - LeRose, J. J.

AU - Liang, M.

AU - Lindgren, R. A.

AU - Liyanage, N.

AU - Lolos, G. J.

AU - Lourie, R. W.

AU - Madey, R.

AU - Maeda, K.

AU - Malov, S.

AU - Manley, D. M.

AU - Marchand, C.

AU - Marchand, D.

AU - Margaziotis, D. J.

AU - Markowitz, P.

AU - Marroncle, J.

AU - Martino, J.

AU - McCormick, K.

AU - McIntyre, J.

AU - Mehrabyan, S.

AU - Merchez, F.

AU - Meziani, Z. E.

AU - Michaels, R.

AU - Miller, G. W.

AU - Mougey, J. Y.

AU - Nanda, S. K.

AU - Neyret, D.

AU - Offermann, E. A.J.M.

AU - Papandreou, Z.

AU - Perdrisat, C. F.

AU - Perrino, R.

AU - Petratos, G. G.

AU - Platchkov, S.

AU - Pomatsalyuk, R.

AU - Prout, D. L.

AU - Punjabi, V. A.

AU - Pussieux, T.

AU - Quémenér, G.

AU - Ransome, R. D.

AU - Ravel, O.

AU - Real, J. S.

AU - Renard, F.

AU - Roblin, Y.

AU - Rowntree, D.

AU - Rutledge, G.

AU - Rutt, P. M.

AU - Saha, A.

AU - Saito, T.

AU - Sarty, A. J.

AU - Serdarevic, A.

AU - Smith, T.

AU - Smirnov, G.

AU - Soldi, K.

AU - Sorokin, P.

AU - Souder, P. A.

AU - Suleiman, R.

AU - Templon, J. A.

AU - Terasawa, T.

AU - Tiator, L.

AU - Tieulent, R.

AU - Tomasi-Gustaffson, E.

AU - Tsubota, H.

AU - Ueno, H.

AU - Ulmer, P. E.

AU - Urciuoli, G. M.

AU - Van De Vyver, R.

AU - Van Der Meer, R. L.J.

AU - Vernin, P.

AU - Vlahovic, B.

AU - Voskanyan, H.

AU - Voutier, E.

AU - Watson, J. W.

AU - Weinstein, L. B.

AU - Wijesooriya, K.

AU - Wilson, R.

AU - Wojtsekhowski, B. B.

AU - Zainea, D. G.

AU - Zhang, W. M.

AU - Zhao, J.

AU - Zhou, Z. L.

PY - 2009/1/5

Y1 - 2009/1/5

N2 - We have made the first measurements of the virtual Compton scattering (VCS) process via the H(e, e'p)γ exclusive reaction in the nucleon resonance region, at backward angles. Results are presented for the W-dependence at fixed Q2=1 GeV2 and for the Q2 dependence at fixed W near 1.5 GeV. The VCS data show resonant structures in the first and second resonance regions. The observed Q2 dependence is smooth. The measured ratio of H(e, e'p)γ to H(e, e'p)π0 cross sections emphasizes the different sensitivity of these two reactions to the various nucleon resonances. Finally, when compared to real Compton scattering (RCS) at high energy and large angles, our VCS data at the highest W (1.8-1.9 GeV) show a striking Q2 independence, which may suggest a transition to a perturbative scattering mechanism at the quark level.

AB - We have made the first measurements of the virtual Compton scattering (VCS) process via the H(e, e'p)γ exclusive reaction in the nucleon resonance region, at backward angles. Results are presented for the W-dependence at fixed Q2=1 GeV2 and for the Q2 dependence at fixed W near 1.5 GeV. The VCS data show resonant structures in the first and second resonance regions. The observed Q2 dependence is smooth. The measured ratio of H(e, e'p)γ to H(e, e'p)π0 cross sections emphasizes the different sensitivity of these two reactions to the various nucleon resonances. Finally, when compared to real Compton scattering (RCS) at high energy and large angles, our VCS data at the highest W (1.8-1.9 GeV) show a striking Q2 independence, which may suggest a transition to a perturbative scattering mechanism at the quark level.

UR - http://www.scopus.com/inward/record.url?scp=58249097306&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=58249097306&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.79.015201

DO - 10.1103/PhysRevC.79.015201

M3 - Article

AN - SCOPUS:58249097306

VL - 79

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

SN - 0556-2813

IS - 1

M1 - 015201

ER -

Virtual Compton scattering and neutral pion electroproduction in the resonance region up to the deep inelastic region at backward angles

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