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Title: Deeply Virtual Compton Scattering Cross Section at High Bjorken x B

Abstract

We report high-precision measurements of the Deeply Virtual Compton Scattering (DVCS) cross section at high values of the Bjorken variable $$x_B$$. DVCS is sensitive to the Generalized Parton Distributions of the nucleon, which provide a three-dimensional description of its internal constituents. Using the exact analytic expression of the DVCS cross section for all possible polarization states of the initial and final electron and nucleon, and final state photon, we present the first experimental extraction of all four helicity-conserving Compton Form Factors (CFFs) of the nucleon as a function of $$x_B$$, while systematically including helicity flip amplitudes. In particular, the high accuracy of the present data demonstrates sensitivity to some very poorly known CFFs.

Authors:
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Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); European Union Horizon 2020; Natural Sciences and Engineering Research Council of Canada (NSERC)
Contributing Org.:
Jefferson Lab Hall A Collaboration
OSTI Identifier:
1873560
Alternate Identifier(s):
OSTI ID: 1880968; OSTI ID: 1909027
Report Number(s):
JLAB-PHY-22-3651; DOE/OR/23177-5532; arXiv:2201.03714
Journal ID: ISSN 0031-9007; PRLTAO; 252002
Grant/Contract Number:  
AC05-06OR23177; 824093; AC02-06CH11357
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 128 Journal Issue: 25; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Georges, F., Rashad, M. N. H., Stefanko, A., Dlamini, M., Karki, B., Ali, S. F., Lin, P-J., Ko, H-S, Israel, N., Adikaram, D., Ahmed, Z., Albataineh, H., Aljawrneh, B., Allada, K., Allison, S., Alsalmi, S., Androic, D., Aniol, K., Annand, J., Atac, H., Averett, T., Ayerbe Gayoso, C., Bai, X., Bane, J., Barcus, S., Bartlett, K., Bellini, V., Beminiwattha, R., Bericic, J., Biswas, D., Brash, E., Bulumulla, D., Campbell, J., Camsonne, A., Carmignotto, M., Castellano, J., Chen, C., Chen, J-P., Chetry, T., Christy, M. E., Cisbani, E., Clary, B., Cohen, E., Compton, N., Cornejo, J. C., Covrig Dusa, S., Crowe, B., Danagoulian, S., Danley, T., De Persio, F., Deconinck, W., Defurne, M., Desnault, C., Di, D., Duer, M., Duran, B., Ent, R., Fanelli, C., Franklin, G., Fuchey, E., Gal, C., Gaskell, D., Gautam, T., Glamazdin, O., Gnanvo, K., Gray, V. M., Gu, C., Hague, T., Hamad, G., Hamilton, D., Hamilton, K., Hansen, O., Hauenstein, F., Henry, W., Higinbotham, D. W., Holmstrom, T., Horn, T., Huang, Y., Huber, G. M., Hyde, C. E., Ibrahim, H., Jen, C-M., Jin, K., Jones, M., Kabir, A., Keppel, C., Khachatryan, V., King, P. M., Li, S., Li, W. B., Liu, J., Liu, H., Liyanage, A., Magee, J., Malace, S., Mammei, J., Markowitz, P., McClellan, E., Mazouz, M., Meddi, F., Meekins, D., Mesik, K., Michaels, R., Mkrtchyan, A., Montgomery, R., Muñoz Camacho, C., Myers, L. S., Nadel-Turonski, P., Nazeer, S. J., Nelyubin, V., Nguyen, D., Nuruzzaman, N., Nycz, M., Obretch, O. F., Ou, L., Palatchi, C., Pandey, B., Park, S., Park, K., Peng, C., Pomatsalyuk, R., Pooser, E., Puckett, A. J. R., Punjabi, V., Quinn, B., Rahman, S., Reimer, P. E., Roche, J., Sapkota, I., Sarty, A., Sawatzky, B., Saylor, N. H., Schmookler, B., Shabestari, M. H., Shahinyan, A., Sirca, S., Smith, G. R., Sooriyaarachchilage, S., Sparveris, N., Spies, R., Su, T., Subedi, A., Sulkosky, V., Sun, A., Thorne, L., Tian, Y., Ton, N., Tortorici, F., Trotta, R., Urciuoli, G. M., Voutier, E., Waidyawansa, B., Wang, Y., Wojtsekhowski, B., Wood, S., Yan, X., Ye, L., Ye, Z., Yero, C., Zhang, J., Zhao, Y., Zhu, P., and Jefferson Lab Hall A Collaboration. Deeply Virtual Compton Scattering Cross Section at High Bjorken x B. United States: N. p., 2022. Web. doi:10.1103/PhysRevLett.128.252002.
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Georges, F., Rashad, M. N. H., Stefanko, A., Dlamini, M., Karki, B., Ali, S. F., Lin, P-J., Ko, H-S, Israel, N., Adikaram, D., Ahmed, Z., Albataineh, H., Aljawrneh, B., Allada, K., Allison, S., Alsalmi, S., Androic, D., Aniol, K., Annand, J., Atac, H., Averett, T., Ayerbe Gayoso, C., Bai, X., Bane, J., Barcus, S., Bartlett, K., Bellini, V., Beminiwattha, R., Bericic, J., Biswas, D., Brash, E., Bulumulla, D., Campbell, J., Camsonne, A., Carmignotto, M., Castellano, J., Chen, C., Chen, J-P., Chetry, T., Christy, M. E., Cisbani, E., Clary, B., Cohen, E., Compton, N., Cornejo, J. C., Covrig Dusa, S., Crowe, B., Danagoulian, S., Danley, T., De Persio, F., Deconinck, W., Defurne, M., Desnault, C., Di, D., Duer, M., Duran, B., Ent, R., Fanelli, C., Franklin, G., Fuchey, E., Gal, C., Gaskell, D., Gautam, T., Glamazdin, O., Gnanvo, K., Gray, V. M., Gu, C., Hague, T., Hamad, G., Hamilton, D., Hamilton, K., Hansen, O., Hauenstein, F., Henry, W., Higinbotham, D. W., Holmstrom, T., Horn, T., Huang, Y., Huber, G. M., Hyde, C. E., Ibrahim, H., Jen, C-M., Jin, K., Jones, M., Kabir, A., Keppel, C., Khachatryan, V., King, P. M., Li, S., Li, W. B., Liu, J., Liu, H., Liyanage, A., Magee, J., Malace, S., Mammei, J., Markowitz, P., McClellan, E., Mazouz, M., Meddi, F., Meekins, D., Mesik, K., Michaels, R., Mkrtchyan, A., Montgomery, R., Muñoz Camacho, C., Myers, L. S., Nadel-Turonski, P., Nazeer, S. J., Nelyubin, V., Nguyen, D., Nuruzzaman, N., Nycz, M., Obretch, O. F., Ou, L., Palatchi, C., Pandey, B., Park, S., Park, K., Peng, C., Pomatsalyuk, R., Pooser, E., Puckett, A. J. R., Punjabi, V., Quinn, B., Rahman, S., Reimer, P. E., Roche, J., Sapkota, I., Sarty, A., Sawatzky, B., Saylor, N. H., Schmookler, B., Shabestari, M. H., Shahinyan, A., Sirca, S., Smith, G. R., Sooriyaarachchilage, S., Sparveris, N., Spies, R., Su, T., Subedi, A., Sulkosky, V., Sun, A., Thorne, L., Tian, Y., Ton, N., Tortorici, F., Trotta, R., Urciuoli, G. M., Voutier, E., Waidyawansa, B., Wang, Y., Wojtsekhowski, B., Wood, S., Yan, X., Ye, L., Ye, Z., Yero, C., Zhang, J., Zhao, Y., Zhu, P., & Jefferson Lab Hall A Collaboration. Deeply Virtual Compton Scattering Cross Section at High Bjorken x B. United States. https://doi.org/10.1103/PhysRevLett.128.252002
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Georges, F., Rashad, M. N. H., Stefanko, A., Dlamini, M., Karki, B., Ali, S. F., Lin, P-J., Ko, H-S, Israel, N., Adikaram, D., Ahmed, Z., Albataineh, H., Aljawrneh, B., Allada, K., Allison, S., Alsalmi, S., Androic, D., Aniol, K., Annand, J., Atac, H., Averett, T., Ayerbe Gayoso, C., Bai, X., Bane, J., Barcus, S., Bartlett, K., Bellini, V., Beminiwattha, R., Bericic, J., Biswas, D., Brash, E., Bulumulla, D., Campbell, J., Camsonne, A., Carmignotto, M., Castellano, J., Chen, C., Chen, J-P., Chetry, T., Christy, M. E., Cisbani, E., Clary, B., Cohen, E., Compton, N., Cornejo, J. C., Covrig Dusa, S., Crowe, B., Danagoulian, S., Danley, T., De Persio, F., Deconinck, W., Defurne, M., Desnault, C., Di, D., Duer, M., Duran, B., Ent, R., Fanelli, C., Franklin, G., Fuchey, E., Gal, C., Gaskell, D., Gautam, T., Glamazdin, O., Gnanvo, K., Gray, V. M., Gu, C., Hague, T., Hamad, G., Hamilton, D., Hamilton, K., Hansen, O., Hauenstein, F., Henry, W., Higinbotham, D. W., Holmstrom, T., Horn, T., Huang, Y., Huber, G. M., Hyde, C. E., Ibrahim, H., Jen, C-M., Jin, K., Jones, M., Kabir, A., Keppel, C., Khachatryan, V., King, P. M., Li, S., Li, W. B., Liu, J., Liu, H., Liyanage, A., Magee, J., Malace, S., Mammei, J., Markowitz, P., McClellan, E., Mazouz, M., Meddi, F., Meekins, D., Mesik, K., Michaels, R., Mkrtchyan, A., Montgomery, R., Muñoz Camacho, C., Myers, L. S., Nadel-Turonski, P., Nazeer, S. J., Nelyubin, V., Nguyen, D., Nuruzzaman, N., Nycz, M., Obretch, O. F., Ou, L., Palatchi, C., Pandey, B., Park, S., Park, K., Peng, C., Pomatsalyuk, R., Pooser, E., Puckett, A. J. R., Punjabi, V., Quinn, B., Rahman, S., Reimer, P. E., Roche, J., Sapkota, I., Sarty, A., Sawatzky, B., Saylor, N. H., Schmookler, B., Shabestari, M. H., Shahinyan, A., Sirca, S., Smith, G. R., Sooriyaarachchilage, S., Sparveris, N., Spies, R., Su, T., Subedi, A., Sulkosky, V., Sun, A., Thorne, L., Tian, Y., Ton, N., Tortorici, F., Trotta, R., Urciuoli, G. M., Voutier, E., Waidyawansa, B., Wang, Y., Wojtsekhowski, B., Wood, S., Yan, X., Ye, L., Ye, Z., Yero, C., Zhang, J., Zhao, Y., Zhu, P., and Jefferson Lab Hall A Collaboration. Thu . "Deeply Virtual Compton Scattering Cross Section at High Bjorken x B". United States. https://doi.org/10.1103/PhysRevLett.128.252002.
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@article{osti_1873560,
title = {Deeply Virtual Compton Scattering Cross Section at High Bjorken x B},
author = {Georges, F. and Rashad, M. N. H. and Stefanko, A. and Dlamini, M. and Karki, B. and Ali, S. F. and Lin, P-J. and Ko, H-S and Israel, N. and Adikaram, D. and Ahmed, Z. and Albataineh, H. and Aljawrneh, B. and Allada, K. and Allison, S. and Alsalmi, S. and Androic, D. and Aniol, K. and Annand, J. and Atac, H. and Averett, T. and Ayerbe Gayoso, C. and Bai, X. and Bane, J. and Barcus, S. and Bartlett, K. and Bellini, V. and Beminiwattha, R. and Bericic, J. and Biswas, D. and Brash, E. and Bulumulla, D. and Campbell, J. and Camsonne, A. and Carmignotto, M. and Castellano, J. and Chen, C. and Chen, J-P. and Chetry, T. and Christy, M. E. and Cisbani, E. and Clary, B. and Cohen, E. and Compton, N. and Cornejo, J. C. and Covrig Dusa, S. and Crowe, B. and Danagoulian, S. and Danley, T. and De Persio, F. and Deconinck, W. and Defurne, M. and Desnault, C. and Di, D. and Duer, M. and Duran, B. and Ent, R. and Fanelli, C. and Franklin, G. and Fuchey, E. and Gal, C. and Gaskell, D. and Gautam, T. and Glamazdin, O. and Gnanvo, K. and Gray, V. M. and Gu, C. and Hague, T. and Hamad, G. and Hamilton, D. and Hamilton, K. and Hansen, O. and Hauenstein, F. and Henry, W. and Higinbotham, D. W. and Holmstrom, T. and Horn, T. and Huang, Y. and Huber, G. M. and Hyde, C. E. and Ibrahim, H. and Jen, C-M. and Jin, K. and Jones, M. and Kabir, A. and Keppel, C. and Khachatryan, V. and King, P. M. and Li, S. and Li, W. B. and Liu, J. and Liu, H. and Liyanage, A. and Magee, J. and Malace, S. and Mammei, J. and Markowitz, P. and McClellan, E. and Mazouz, M. and Meddi, F. and Meekins, D. and Mesik, K. and Michaels, R. and Mkrtchyan, A. and Montgomery, R. and Muñoz Camacho, C. and Myers, L. S. and Nadel-Turonski, P. and Nazeer, S. J. and Nelyubin, V. and Nguyen, D. and Nuruzzaman, N. and Nycz, M. and Obretch, O. F. and Ou, L. and Palatchi, C. and Pandey, B. and Park, S. and Park, K. and Peng, C. and Pomatsalyuk, R. and Pooser, E. and Puckett, A. J. R. and Punjabi, V. and Quinn, B. and Rahman, S. and Reimer, P. E. and Roche, J. and Sapkota, I. and Sarty, A. and Sawatzky, B. and Saylor, N. H. and Schmookler, B. and Shabestari, M. H. and Shahinyan, A. and Sirca, S. and Smith, G. R. and Sooriyaarachchilage, S. and Sparveris, N. and Spies, R. and Su, T. and Subedi, A. and Sulkosky, V. and Sun, A. and Thorne, L. and Tian, Y. and Ton, N. and Tortorici, F. and Trotta, R. and Urciuoli, G. M. and Voutier, E. and Waidyawansa, B. and Wang, Y. and Wojtsekhowski, B. and Wood, S. and Yan, X. and Ye, L. and Ye, Z. and Yero, C. and Zhang, J. and Zhao, Y. and Zhu, P. and Jefferson Lab Hall A Collaboration},
abstractNote = {We report high-precision measurements of the Deeply Virtual Compton Scattering (DVCS) cross section at high values of the Bjorken variable $x_B$. DVCS is sensitive to the Generalized Parton Distributions of the nucleon, which provide a three-dimensional description of its internal constituents. Using the exact analytic expression of the DVCS cross section for all possible polarization states of the initial and final electron and nucleon, and final state photon, we present the first experimental extraction of all four helicity-conserving Compton Form Factors (CFFs) of the nucleon as a function of $x_B$, while systematically including helicity flip amplitudes. In particular, the high accuracy of the present data demonstrates sensitivity to some very poorly known CFFs.},
doi = {10.1103/PhysRevLett.128.252002},
journal = {Physical Review Letters},
number = 25,
volume = 128,
place = {United States},
year = {Thu Jun 23 00:00:00 EDT 2022},
month = {Thu Jun 23 00:00:00 EDT 2022}
}
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