Measurement of the J / ψ photoproduction cross section over the full near-threshold kinematic region

S. Adhikari; F. Afzal; C. S. Akondi; M. Albrecht; M. Amaryan; V. Arroyave; A. Asaturyan; A. Austregesilo; Z. Baldwin; F. Barbosa; J. Barlow; E. Barriga; R. Barsotti; T. D. Beattie; V. V. Berdnikov; T. Black; W. Boeglin; W. J. Briscoe; T. Britton; W. K. Brooks; D. Byer; E. Chudakov; P. L. Cole; O. Cortes; V. Crede; M. M. Dalton; D. Darulis; A. Deur; S. Dobbs; A. Dolgolenko; R. Dotel; M. Dugger; R. Dzhygadlo; D. Ebersole; H. Egiyan; T. Erbora; P. Eugenio; A. Fabrizi; C. Fanelli; S. Fang; S. Fegan; J. Fitches; A. M. Foda; S. Furletov; L. Gan; H. Gao; A. Gardner; A. Gasparian; C. Gleason; K. Goetzen; V. S. Goryachev; B. Grube; J. Guo; L. Guo; T. J. Hague; H. Hakobyan; J. Hernandez; N. D. Hoffman; D. Hornidge; G. Hou; G. M. Huber; P. Hurck; A. Hurley; W. Imoehl; D. G. Ireland; M. M. Ito; I. Jaegle; N. S. Jarvis; T. Jeske; R. T. Jones; V. Kakoyan; G. Kalicy; V. Khachatryan; M. Khatchatryan; C. Kourkoumelis; A. Laduke; I. Larin; D. Lawrence; D. I. Lersch; H. Li; W. B. Li; B. Liu; K. Livingston; G. J. Lolos; L. Lorenti; V. Lyubovitskij; D. Mack; A. Mahmood; P. P. Martel; H. Marukyan; V. Matveev; M. McCaughan; M. McCracken; C. A. Meyer; R. Miskimen; R. E. Mitchell; K. Mizutani; V. Neelamana; L. Ng; E. Nissen; S. Orešić; A. I. Ostrovidov; Z. Papandreou; C. Paudel; R. Pedroni; L. Pentchev; K. J. Peters; E. Prather; S. Rakshit; J. Reinhold; A. Remington; B. G. Ritchie; J. Ritman; G. Rodriguez; D. Romanov; K. Saldana; C. Salgado; S. Schadmand; A. M. Schertz; K. Scheuer; A. Schick; A. Schmidt; R. A. Schumacher; J. Schwiening; P. Sharp; X. Shen; M. R. Shepherd; A. Smith; E. S. Smith; D. I. Sober; S. Somov; A. Somov; J. R. Stevens; I. I. Strakovsky; B. Sumner; K. Suresh; V. V. Tarasov; S. Taylor; A. Teymurazyan; A. Thiel; T. Viducic; T. Whitlatch; N. Wickramaarachchi; M. Williams; Y. Wunderlich; B. Yu; J. Zarling; Z. Zhang; Z. Zhao; X. Zhou; J. Zhou; B. Zihlmann

doi:10.1103/PhysRevC.108.025201

Measurement of the J / ψ photoproduction cross section over the full near-threshold kinematic region

S. Adhikari, F. Afzal, C. S. Akondi, M. Albrecht, M. Amaryan, V. Arroyave, A. Asaturyan, A. Austregesilo, Z. Baldwin, F. Barbosa, J. Barlow, E. Barriga, R. Barsotti, T. D. Beattie, V. V. Berdnikov, T. Black, W. Boeglin, W. J. Briscoe, T. Britton, W. K. BrooksD. Byer, E. Chudakov, P. L. Cole, O. Cortes, V. Crede, M. M. Dalton, D. Darulis, A. Deur, S. Dobbs, A. Dolgolenko, R. Dotel, M. Dugger, R. Dzhygadlo, D. Ebersole, H. Egiyan, T. Erbora, P. Eugenio, A. Fabrizi, C. Fanelli, S. Fang, S. Fegan, J. Fitches, A. M. Foda, S. Furletov, L. Gan, H. Gao, A. Gardner, A. Gasparian, C. Gleason, K. Goetzen, V. S. Goryachev, B. Grube, J. Guo, L. Guo, T. J. Hague, H. Hakobyan, J. Hernandez, N. D. Hoffman, D. Hornidge, G. Hou, G. M. Huber, P. Hurck, A. Hurley, W. Imoehl, D. G. Ireland, M. M. Ito, I. Jaegle, N. S. Jarvis, T. Jeske, R. T. Jones, V. Kakoyan, G. Kalicy, V. Khachatryan, M. Khatchatryan, C. Kourkoumelis, A. Laduke, I. Larin, D. Lawrence, D. I. Lersch, H. Li, W. B. Li, B. Liu, K. Livingston, G. J. Lolos, L. Lorenti, V. Lyubovitskij, D. Mack, A. Mahmood, P. P. Martel, H. Marukyan, V. Matveev, M. McCaughan, M. McCracken, C. A. Meyer, R. Miskimen, R. E. Mitchell, K. Mizutani, V. Neelamana, L. Ng, E. Nissen, S. Orešić, A. I. Ostrovidov, Z. Papandreou, C. Paudel, R. Pedroni, L. Pentchev, K. J. Peters, E. Prather, S. Rakshit, J. Reinhold, A. Remington, B. G. Ritchie, J. Ritman, G. Rodriguez, D. Romanov, K. Saldana, C. Salgado, S. Schadmand, A. M. Schertz, K. Scheuer, A. Schick, A. Schmidt, R. A. Schumacher, J. Schwiening, P. Sharp, X. Shen, M. R. Shepherd, A. Smith, E. S. Smith, D. I. Sober, S. Somov, A. Somov, J. R. Stevens, I. I. Strakovsky, B. Sumner, K. Suresh, V. V. Tarasov, S. Taylor, A. Teymurazyan, A. Thiel, T. Viducic, T. Whitlatch, N. Wickramaarachchi, M. Williams, Y. Wunderlich, B. Yu, J. Zarling, Z. Zhang, Z. Zhao, X. Zhou, J. Zhou, B. Zihlmann

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

We report the total and differential cross sections for J/ψ photoproduction with the large acceptance GlueX spectrometer for photon beam energies from the threshold at 8.2 GeV up to 11.44 GeV and over the full kinematic range of momentum transfer squared, t. Such coverage facilitates the extrapolation of the differential cross sections to the forward (t=0) point beyond the physical region. The forward cross section is used by many theoretical models and plays an important role in understanding J/ψ photoproduction and its relation to the J/ψ-proton interaction. These measurements of J/ψ photoproduction near threshold are also crucial inputs to theoretical models that are used to study important aspects of the gluon structure of the proton, such as the gluon generalized parton distribution of the proton, the mass radius of the proton, and the trace anomaly contribution to the proton mass. We observe possible structures in the total cross section energy dependence and find evidence for contributions beyond gluon exchange in the differential cross section close to threshold, both of which are consistent with contributions from open-charm intermediate states.

Original language	English (US)
Article number	025201
Journal	Physical Review C
Volume	108
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.108.025201
State	Published - Aug 2023

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.108.025201

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Adhikari, S., Afzal, F., Akondi, C. S., Albrecht, M., Amaryan, M., Arroyave, V., Asaturyan, A., Austregesilo, A., Baldwin, Z., Barbosa, F., Barlow, J., Barriga, E., Barsotti, R., Beattie, T. D., Berdnikov, V. V., Black, T., Boeglin, W., Briscoe, W. J., Britton, T., ... Zihlmann, B. (2023). Measurement of the J / ψ photoproduction cross section over the full near-threshold kinematic region. Physical Review C, 108(2), Article 025201. https://doi.org/10.1103/PhysRevC.108.025201

Adhikari, S, Afzal, F, Akondi, CS, Albrecht, M, Amaryan, M, Arroyave, V, Asaturyan, A, Austregesilo, A, Baldwin, Z, Barbosa, F, Barlow, J, Barriga, E, Barsotti, R, Beattie, TD, Berdnikov, VV, Black, T, Boeglin, W, Briscoe, WJ, Britton, T, Brooks, WK, Byer, D, Chudakov, E, Cole, PL, Cortes, O, Crede, V, Dalton, MM, Darulis, D, Deur, A, Dobbs, S, Dolgolenko, A, Dotel, R, Dugger, M, Dzhygadlo, R, Ebersole, D, Egiyan, H, Erbora, T, Eugenio, P, Fabrizi, A, Fanelli, C, Fang, S, Fegan, S, Fitches, J, Foda, AM, Furletov, S, Gan, L, Gao, H, Gardner, A, Gasparian, A, Gleason, C, Goetzen, K, Goryachev, VS, Grube, B, Guo, J, Guo, L, Hague, TJ, Hakobyan, H, Hernandez, J, Hoffman, ND, Hornidge, D, Hou, G, Huber, GM, Hurck, P, Hurley, A, Imoehl, W, Ireland, DG, Ito, MM, Jaegle, I, Jarvis, NS, Jeske, T, Jones, RT, Kakoyan, V, Kalicy, G, Khachatryan, V, Khatchatryan, M, Kourkoumelis, C, Laduke, A, Larin, I, Lawrence, D, Lersch, DI, Li, H, Li, WB, Liu, B, Livingston, K, Lolos, GJ, Lorenti, L, Lyubovitskij, V, Mack, D, Mahmood, A, Martel, PP, Marukyan, H, Matveev, V, McCaughan, M, McCracken, M, Meyer, CA, Miskimen, R, Mitchell, RE, Mizutani, K, Neelamana, V, Ng, L, Nissen, E, Orešić, S, Ostrovidov, AI, Papandreou, Z, Paudel, C, Pedroni, R, Pentchev, L, Peters, KJ, Prather, E, Rakshit, S, Reinhold, J, Remington, A, Ritchie, BG, Ritman, J, Rodriguez, G, Romanov, D, Saldana, K, Salgado, C, Schadmand, S, Schertz, AM, Scheuer, K, Schick, A, Schmidt, A, Schumacher, RA, Schwiening, J, Sharp, P, Shen, X, Shepherd, MR, Smith, A, Smith, ES, Sober, DI, Somov, S, Somov, A, Stevens, JR, Strakovsky, II, Sumner, B, Suresh, K, Tarasov, VV, Taylor, S, Teymurazyan, A, Thiel, A, Viducic, T, Whitlatch, T, Wickramaarachchi, N, Williams, M, Wunderlich, Y, Yu, B, Zarling, J, Zhang, Z, Zhao, Z, Zhou, X, Zhou, J & Zihlmann, B 2023, 'Measurement of the J / ψ photoproduction cross section over the full near-threshold kinematic region', Physical Review C, vol. 108, no. 2, 025201. https://doi.org/10.1103/PhysRevC.108.025201

@article{1e65eb058bd14028a00a6da3b9478767,

title = "Measurement of the J / ψ photoproduction cross section over the full near-threshold kinematic region",

abstract = "We report the total and differential cross sections for J/ψ photoproduction with the large acceptance GlueX spectrometer for photon beam energies from the threshold at 8.2 GeV up to 11.44 GeV and over the full kinematic range of momentum transfer squared, t. Such coverage facilitates the extrapolation of the differential cross sections to the forward (t=0) point beyond the physical region. The forward cross section is used by many theoretical models and plays an important role in understanding J/ψ photoproduction and its relation to the J/ψ-proton interaction. These measurements of J/ψ photoproduction near threshold are also crucial inputs to theoretical models that are used to study important aspects of the gluon structure of the proton, such as the gluon generalized parton distribution of the proton, the mass radius of the proton, and the trace anomaly contribution to the proton mass. We observe possible structures in the total cross section energy dependence and find evidence for contributions beyond gluon exchange in the differential cross section close to threshold, both of which are consistent with contributions from open-charm intermediate states.",

author = "S. Adhikari and F. Afzal and Akondi, {C. S.} and M. Albrecht and M. Amaryan and V. Arroyave and A. Asaturyan and A. Austregesilo and Z. Baldwin and F. Barbosa and J. Barlow and E. Barriga and R. Barsotti and Beattie, {T. D.} and Berdnikov, {V. V.} and T. Black and W. Boeglin and Briscoe, {W. J.} and T. Britton and Brooks, {W. K.} and D. Byer and E. Chudakov and Cole, {P. L.} and O. Cortes and V. Crede and Dalton, {M. M.} and D. Darulis and A. Deur and S. Dobbs and A. Dolgolenko and R. Dotel and M. Dugger and R. Dzhygadlo and D. Ebersole and H. Egiyan and T. Erbora and P. Eugenio and A. Fabrizi and C. Fanelli and S. Fang and S. Fegan and J. Fitches and Foda, {A. M.} and S. Furletov and L. Gan and H. Gao and A. Gardner and A. Gasparian and C. Gleason and K. Goetzen and Goryachev, {V. S.} and B. Grube and J. Guo and L. Guo and Hague, {T. J.} and H. Hakobyan and J. Hernandez and Hoffman, {N. D.} and D. Hornidge and G. Hou and Huber, {G. M.} and P. Hurck and A. Hurley and W. Imoehl and Ireland, {D. G.} and Ito, {M. M.} and I. Jaegle and Jarvis, {N. S.} and T. Jeske and Jones, {R. T.} and V. Kakoyan and G. Kalicy and V. Khachatryan and M. Khatchatryan and C. Kourkoumelis and A. Laduke and I. Larin and D. Lawrence and Lersch, {D. I.} and H. Li and Li, {W. B.} and B. Liu and K. Livingston and Lolos, {G. J.} and L. Lorenti and V. Lyubovitskij and D. Mack and A. Mahmood and Martel, {P. P.} and H. Marukyan and V. Matveev and M. McCaughan and M. McCracken and Meyer, {C. A.} and R. Miskimen and Mitchell, {R. E.} and K. Mizutani and V. Neelamana and L. Ng and E. Nissen and S. Ore{\v s}i{\'c} and Ostrovidov, {A. I.} and Z. Papandreou and C. Paudel and R. Pedroni and L. Pentchev and Peters, {K. J.} and E. Prather and S. Rakshit and J. Reinhold and A. Remington and Ritchie, {B. G.} and J. Ritman and G. Rodriguez and D. Romanov and K. Saldana and C. Salgado and S. Schadmand and Schertz, {A. M.} and K. Scheuer and A. Schick and A. Schmidt and Schumacher, {R. A.} and J. Schwiening and P. Sharp and X. Shen and Shepherd, {M. R.} and A. Smith and Smith, {E. S.} and Sober, {D. I.} and S. Somov and A. Somov and Stevens, {J. R.} and Strakovsky, {I. I.} and B. Sumner and K. Suresh and Tarasov, {V. V.} and S. Taylor and A. Teymurazyan and A. Thiel and T. Viducic and T. Whitlatch and N. Wickramaarachchi and M. Williams and Y. Wunderlich and B. Yu and J. Zarling and Z. Zhang and Z. Zhao and X. Zhou and J. Zhou and B. Zihlmann",

note = "Publisher Copyright: {\textcopyright} 2023 American Physical Society.",

year = "2023",

month = aug,

doi = "10.1103/PhysRevC.108.025201",

language = "English (US)",

volume = "108",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "2",

}

TY - JOUR

T1 - Measurement of the J / ψ photoproduction cross section over the full near-threshold kinematic region

AU - Adhikari, S.

AU - Afzal, F.

AU - Akondi, C. S.

AU - Albrecht, M.

AU - Amaryan, M.

AU - Arroyave, V.

AU - Asaturyan, A.

AU - Austregesilo, A.

AU - Baldwin, Z.

AU - Barbosa, F.

AU - Barlow, J.

AU - Barriga, E.

AU - Barsotti, R.

AU - Beattie, T. D.

AU - Berdnikov, V. V.

AU - Black, T.

AU - Boeglin, W.

AU - Briscoe, W. J.

AU - Britton, T.

AU - Brooks, W. K.

AU - Byer, D.

AU - Chudakov, E.

AU - Cole, P. L.

AU - Cortes, O.

AU - Crede, V.

AU - Dalton, M. M.

AU - Darulis, D.

AU - Deur, A.

AU - Dobbs, S.

AU - Dolgolenko, A.

AU - Dotel, R.

AU - Dugger, M.

AU - Dzhygadlo, R.

AU - Ebersole, D.

AU - Egiyan, H.

AU - Erbora, T.

AU - Eugenio, P.

AU - Fabrizi, A.

AU - Fanelli, C.

AU - Fang, S.

AU - Fegan, S.

AU - Fitches, J.

AU - Foda, A. M.

AU - Furletov, S.

AU - Gan, L.

AU - Gao, H.

AU - Gardner, A.

AU - Gasparian, A.

AU - Gleason, C.

AU - Goetzen, K.

AU - Goryachev, V. S.

AU - Grube, B.

AU - Guo, J.

AU - Guo, L.

AU - Hague, T. J.

AU - Hakobyan, H.

AU - Hernandez, J.

AU - Hoffman, N. D.

AU - Hornidge, D.

AU - Hou, G.

AU - Huber, G. M.

AU - Hurck, P.

AU - Hurley, A.

AU - Imoehl, W.

AU - Ireland, D. G.

AU - Ito, M. M.

AU - Jaegle, I.

AU - Jarvis, N. S.

AU - Jeske, T.

AU - Jones, R. T.

AU - Kakoyan, V.

AU - Kalicy, G.

AU - Khachatryan, V.

AU - Khatchatryan, M.

AU - Kourkoumelis, C.

AU - Laduke, A.

AU - Larin, I.

AU - Lawrence, D.

AU - Lersch, D. I.

AU - Li, H.

AU - Li, W. B.

AU - Liu, B.

AU - Livingston, K.

AU - Lolos, G. J.

AU - Lorenti, L.

AU - Lyubovitskij, V.

AU - Mack, D.

AU - Mahmood, A.

AU - Martel, P. P.

AU - Marukyan, H.

AU - Matveev, V.

AU - McCaughan, M.

AU - McCracken, M.

AU - Meyer, C. A.

AU - Miskimen, R.

AU - Mitchell, R. E.

AU - Mizutani, K.

AU - Neelamana, V.

AU - Ng, L.

AU - Nissen, E.

AU - Orešić, S.

AU - Ostrovidov, A. I.

AU - Papandreou, Z.

AU - Paudel, C.

AU - Pedroni, R.

AU - Pentchev, L.

AU - Peters, K. J.

AU - Prather, E.

AU - Rakshit, S.

AU - Reinhold, J.

AU - Remington, A.

AU - Ritchie, B. G.

AU - Ritman, J.

AU - Rodriguez, G.

AU - Romanov, D.

AU - Saldana, K.

AU - Salgado, C.

AU - Schadmand, S.

AU - Schertz, A. M.

AU - Scheuer, K.

AU - Schick, A.

AU - Schmidt, A.

AU - Schumacher, R. A.

AU - Schwiening, J.

AU - Sharp, P.

AU - Shen, X.

AU - Shepherd, M. R.

AU - Smith, A.

AU - Smith, E. S.

AU - Sober, D. I.

AU - Somov, S.

AU - Somov, A.

AU - Stevens, J. R.

AU - Strakovsky, I. I.

AU - Sumner, B.

AU - Suresh, K.

AU - Tarasov, V. V.

AU - Taylor, S.

AU - Teymurazyan, A.

AU - Thiel, A.

AU - Viducic, T.

AU - Whitlatch, T.

AU - Wickramaarachchi, N.

AU - Williams, M.

AU - Wunderlich, Y.

AU - Yu, B.

AU - Zarling, J.

AU - Zhang, Z.

AU - Zhao, Z.

AU - Zhou, X.

AU - Zhou, J.

AU - Zihlmann, B.

PY - 2023/8

Y1 - 2023/8

N2 - We report the total and differential cross sections for J/ψ photoproduction with the large acceptance GlueX spectrometer for photon beam energies from the threshold at 8.2 GeV up to 11.44 GeV and over the full kinematic range of momentum transfer squared, t. Such coverage facilitates the extrapolation of the differential cross sections to the forward (t=0) point beyond the physical region. The forward cross section is used by many theoretical models and plays an important role in understanding J/ψ photoproduction and its relation to the J/ψ-proton interaction. These measurements of J/ψ photoproduction near threshold are also crucial inputs to theoretical models that are used to study important aspects of the gluon structure of the proton, such as the gluon generalized parton distribution of the proton, the mass radius of the proton, and the trace anomaly contribution to the proton mass. We observe possible structures in the total cross section energy dependence and find evidence for contributions beyond gluon exchange in the differential cross section close to threshold, both of which are consistent with contributions from open-charm intermediate states.

AB - We report the total and differential cross sections for J/ψ photoproduction with the large acceptance GlueX spectrometer for photon beam energies from the threshold at 8.2 GeV up to 11.44 GeV and over the full kinematic range of momentum transfer squared, t. Such coverage facilitates the extrapolation of the differential cross sections to the forward (t=0) point beyond the physical region. The forward cross section is used by many theoretical models and plays an important role in understanding J/ψ photoproduction and its relation to the J/ψ-proton interaction. These measurements of J/ψ photoproduction near threshold are also crucial inputs to theoretical models that are used to study important aspects of the gluon structure of the proton, such as the gluon generalized parton distribution of the proton, the mass radius of the proton, and the trace anomaly contribution to the proton mass. We observe possible structures in the total cross section energy dependence and find evidence for contributions beyond gluon exchange in the differential cross section close to threshold, both of which are consistent with contributions from open-charm intermediate states.

UR - http://www.scopus.com/inward/record.url?scp=85168013590&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85168013590&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.108.025201

DO - 10.1103/PhysRevC.108.025201

M3 - Article

AN - SCOPUS:85168013590

SN - 2469-9985

VL - 108

JO - Physical Review C

JF - Physical Review C

IS - 2

M1 - 025201

ER -

Measurement of the J / ψ photoproduction cross section over the full near-threshold kinematic region

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