Scaling tests of the cross section for deeply virtual compton scattering

C. Muñoz Camacho; A. Camsonne; M. Mazouz; C. Ferdi; G. Gavalian; E. Kuchina; M. Amarian; K. A. Aniol; M. Beaumel; H. Benaoum; P. Bertin; M. Brossard; J. P. Chen; E. Chudakov; B. Craver; F. Cusanno; C. W. De Jager; A. Deur; R. Feuerbach; J. M. Fieschi; S. Frullani; M. Garçon; F. Garibaldi; O. Gayou; R. Gilman; J. Gomez; P. Gueye; P. A.M. Guichon; B. Guillon; O. Hansen; D. Hayes; D. Higinbotham; T. Holmstrom; C. E. Hyde-Wright; H. Ibrahim; R. Igarashi; X. Jiang; H. S. Jo; L. J. Kaufman; A. Kelleher; A. Kolarkar; G. Kumbartzki; G. Laveissière; J. J. Lerose; R. Lindgren; N. Liyanage; H. J. Lu; D. J. Margaziotis; Z. E. Meziani; K. McCormick; R. Michaels; B. Michel; B. Moffit; P. Monaghan; S. Nanda; V. Nelyubin; M. Potokar; Y. Qiang; R. D. Ransome; J. S. Réal; B. Reitz; Y. Roblin; J. Roche; F. Sabatié; A. Saha; S. Sirca; K. Slifer; P. Solvignon; R. Subedi; V. Sulkosky; P. E. Ulmer; E. Voutier; K. Wang; L. B. Weinstein; B. Wojtsekhowski; X. Zheng; L. Zhu

doi:10.1103/PhysRevLett.97.262002

Scaling tests of the cross section for deeply virtual compton scattering

C. Muñoz Camacho, A. Camsonne, M. Mazouz, C. Ferdi, G. Gavalian, E. Kuchina, M. Amarian, K. A. Aniol, M. Beaumel, H. Benaoum, P. Bertin, M. Brossard, J. P. Chen, E. Chudakov, B. Craver, F. Cusanno, C. W. De Jager, A. Deur, R. Feuerbach, J. M. FieschiS. Frullani, M. Garçon, F. Garibaldi, O. Gayou, R. Gilman, J. Gomez, P. Gueye, P. A.M. Guichon, B. Guillon, O. Hansen, D. Hayes, D. Higinbotham, T. Holmstrom, C. E. Hyde-Wright, H. Ibrahim, R. Igarashi, X. Jiang, H. S. Jo, L. J. Kaufman, A. Kelleher, A. Kolarkar, G. Kumbartzki, G. Laveissière, J. J. Lerose, R. Lindgren, N. Liyanage, H. J. Lu, D. J. Margaziotis, Z. E. Meziani, K. McCormick, R. Michaels, B. Michel, B. Moffit, P. Monaghan, S. Nanda, V. Nelyubin, M. Potokar, Y. Qiang, R. D. Ransome, J. S. Réal, B. Reitz, Y. Roblin, J. Roche, F. Sabatié, A. Saha, S. Sirca, K. Slifer, P. Solvignon, R. Subedi, V. Sulkosky, P. E. Ulmer, E. Voutier, K. Wang, L. B. Weinstein, B. Wojtsekhowski, X. Zheng, L. Zhu

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Abstract

We present the first measurements of the ea pa ep cross section in the deeply virtual Compton scattering (DVCS) regime and the valence quark region. The Q2 dependence (from 1.5 to 2.3 GeV2) of the helicity-dependent cross section indicates the twist-2 dominance of DVCS, proving that generalized parton distributions (GPDs) are accessible to experiment at moderate Q2. The helicity-independent cross section is also measured at Q2=2.3 GeV2. We present the first model-independent measurement of linear combinations of GPDs and GPD integrals up to the twist-3 approximation.

Original language	English (US)
Article number	262002
Journal	Physical review letters
Volume	97
Issue number	26
DOIs	https://doi.org/10.1103/PhysRevLett.97.262002
State	Published - 2006

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.97.262002

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Camacho, C. M., Camsonne, A., Mazouz, M., Ferdi, C., Gavalian, G., Kuchina, E., Amarian, M., Aniol, K. A., Beaumel, M., Benaoum, H., Bertin, P., Brossard, M., Chen, J. P., Chudakov, E., Craver, B., Cusanno, F., De Jager, C. W., Deur, A., Feuerbach, R., ... Zhu, L. (2006). Scaling tests of the cross section for deeply virtual compton scattering. Physical review letters, 97(26), Article 262002. https://doi.org/10.1103/PhysRevLett.97.262002

@article{b97958388c4840beaa503013b0d3b955,

title = "Scaling tests of the cross section for deeply virtual compton scattering",

abstract = "We present the first measurements of the ea pa ep cross section in the deeply virtual Compton scattering (DVCS) regime and the valence quark region. The Q2 dependence (from 1.5 to 2.3 GeV2) of the helicity-dependent cross section indicates the twist-2 dominance of DVCS, proving that generalized parton distributions (GPDs) are accessible to experiment at moderate Q2. The helicity-independent cross section is also measured at Q2=2.3 GeV2. We present the first model-independent measurement of linear combinations of GPDs and GPD integrals up to the twist-3 approximation.",

author = "Camacho, {C. Mu{\~n}oz} and A. Camsonne and M. Mazouz and C. Ferdi and G. Gavalian and E. Kuchina and M. Amarian and Aniol, {K. A.} and M. Beaumel and H. Benaoum and P. Bertin and M. Brossard and Chen, {J. P.} and E. Chudakov and B. Craver and F. Cusanno and {De Jager}, {C. W.} and A. Deur and R. Feuerbach and Fieschi, {J. M.} and S. Frullani and M. Gar{\c c}on and F. Garibaldi and O. Gayou and R. Gilman and J. Gomez and P. Gueye and Guichon, {P. A.M.} and B. Guillon and O. Hansen and D. Hayes and D. Higinbotham and T. Holmstrom and Hyde-Wright, {C. E.} and H. Ibrahim and R. Igarashi and X. Jiang and Jo, {H. S.} and Kaufman, {L. J.} and A. Kelleher and A. Kolarkar and G. Kumbartzki and G. Laveissi{\`e}re and Lerose, {J. J.} and R. Lindgren and N. Liyanage and Lu, {H. J.} and Margaziotis, {D. J.} and Meziani, {Z. E.} and K. McCormick and R. Michaels and B. Michel and B. Moffit and P. Monaghan and S. Nanda and V. Nelyubin and M. Potokar and Y. Qiang and Ransome, {R. D.} and R{\'e}al, {J. S.} and B. Reitz and Y. Roblin and J. Roche and F. Sabati{\'e} and A. Saha and S. Sirca and K. Slifer and P. Solvignon and R. Subedi and V. Sulkosky and Ulmer, {P. E.} and E. Voutier and K. Wang and Weinstein, {L. B.} and B. Wojtsekhowski and X. Zheng and L. Zhu",

year = "2006",

doi = "10.1103/PhysRevLett.97.262002",

language = "English (US)",

volume = "97",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "26",

}

Camacho, CM, Camsonne, A, Mazouz, M, Ferdi, C, Gavalian, G, Kuchina, E, Amarian, M, Aniol, KA, Beaumel, M, Benaoum, H, Bertin, P, Brossard, M, Chen, JP, Chudakov, E, Craver, B, Cusanno, F, De Jager, CW, Deur, A, Feuerbach, R, Fieschi, JM, Frullani, S, Garçon, M, Garibaldi, F, Gayou, O, Gilman, R, Gomez, J, Gueye, P, Guichon, PAM, Guillon, B, Hansen, O, Hayes, D, Higinbotham, D, Holmstrom, T, Hyde-Wright, CE, Ibrahim, H, Igarashi, R, Jiang, X, Jo, HS, Kaufman, LJ, Kelleher, A, Kolarkar, A, Kumbartzki, G, Laveissière, G, Lerose, JJ, Lindgren, R, Liyanage, N, Lu, HJ, Margaziotis, DJ, Meziani, ZE, McCormick, K, Michaels, R, Michel, B, Moffit, B, Monaghan, P, Nanda, S, Nelyubin, V, Potokar, M, Qiang, Y, Ransome, RD, Réal, JS, Reitz, B, Roblin, Y, Roche, J, Sabatié, F, Saha, A, Sirca, S, Slifer, K, Solvignon, P, Subedi, R, Sulkosky, V, Ulmer, PE, Voutier, E, Wang, K, Weinstein, LB, Wojtsekhowski, B, Zheng, X & Zhu, L 2006, 'Scaling tests of the cross section for deeply virtual compton scattering', Physical review letters, vol. 97, no. 26, 262002. https://doi.org/10.1103/PhysRevLett.97.262002

TY - JOUR

T1 - Scaling tests of the cross section for deeply virtual compton scattering

AU - Camacho, C. Muñoz

AU - Camsonne, A.

AU - Mazouz, M.

AU - Ferdi, C.

AU - Gavalian, G.

AU - Kuchina, E.

AU - Amarian, M.

AU - Aniol, K. A.

AU - Beaumel, M.

AU - Benaoum, H.

AU - Bertin, P.

AU - Brossard, M.

AU - Chen, J. P.

AU - Chudakov, E.

AU - Craver, B.

AU - Cusanno, F.

AU - De Jager, C. W.

AU - Deur, A.

AU - Feuerbach, R.

AU - Fieschi, J. M.

AU - Frullani, S.

AU - Garçon, M.

AU - Garibaldi, F.

AU - Gayou, O.

AU - Gilman, R.

AU - Gomez, J.

AU - Gueye, P.

AU - Guichon, P. A.M.

AU - Guillon, B.

AU - Hansen, O.

AU - Hayes, D.

AU - Higinbotham, D.

AU - Holmstrom, T.

AU - Hyde-Wright, C. E.

AU - Ibrahim, H.

AU - Igarashi, R.

AU - Jiang, X.

AU - Jo, H. S.

AU - Kaufman, L. J.

AU - Kelleher, A.

AU - Kolarkar, A.

AU - Kumbartzki, G.

AU - Laveissière, G.

AU - Lerose, J. J.

AU - Lindgren, R.

AU - Liyanage, N.

AU - Lu, H. J.

AU - Margaziotis, D. J.

AU - Meziani, Z. E.

AU - McCormick, K.

AU - Michaels, R.

AU - Michel, B.

AU - Moffit, B.

AU - Monaghan, P.

AU - Nanda, S.

AU - Nelyubin, V.

AU - Potokar, M.

AU - Qiang, Y.

AU - Ransome, R. D.

AU - Réal, J. S.

AU - Reitz, B.

AU - Roblin, Y.

AU - Roche, J.

AU - Sabatié, F.

AU - Saha, A.

AU - Sirca, S.

AU - Slifer, K.

AU - Solvignon, P.

AU - Subedi, R.

AU - Sulkosky, V.

AU - Ulmer, P. E.

AU - Voutier, E.

AU - Wang, K.

AU - Weinstein, L. B.

AU - Wojtsekhowski, B.

AU - Zheng, X.

AU - Zhu, L.

PY - 2006

Y1 - 2006

N2 - We present the first measurements of the ea pa ep cross section in the deeply virtual Compton scattering (DVCS) regime and the valence quark region. The Q2 dependence (from 1.5 to 2.3 GeV2) of the helicity-dependent cross section indicates the twist-2 dominance of DVCS, proving that generalized parton distributions (GPDs) are accessible to experiment at moderate Q2. The helicity-independent cross section is also measured at Q2=2.3 GeV2. We present the first model-independent measurement of linear combinations of GPDs and GPD integrals up to the twist-3 approximation.

AB - We present the first measurements of the ea pa ep cross section in the deeply virtual Compton scattering (DVCS) regime and the valence quark region. The Q2 dependence (from 1.5 to 2.3 GeV2) of the helicity-dependent cross section indicates the twist-2 dominance of DVCS, proving that generalized parton distributions (GPDs) are accessible to experiment at moderate Q2. The helicity-independent cross section is also measured at Q2=2.3 GeV2. We present the first model-independent measurement of linear combinations of GPDs and GPD integrals up to the twist-3 approximation.

UR - http://www.scopus.com/inward/record.url?scp=33846337526&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33846337526&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.97.262002

DO - 10.1103/PhysRevLett.97.262002

M3 - Article

AN - SCOPUS:33846337526

SN - 0031-9007

VL - 97

JO - Physical review letters

JF - Physical review letters

IS - 26

M1 - 262002

ER -

Scaling tests of the cross section for deeply virtual compton scattering

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