Measurement of deeply virtual Compton scattering and its t-dependence at HERA

F. D. Aaron; A. Aktas; C. Alexa; V. Andreev; B. Antunovic; S. Aplin; A. Asmone; A. Astvatsatourov; S. Backovic; A. Baghdasaryan; P. Baranov; E. Barrelet; W. Bartel; S. Baudrand; M. Beckingham; K. Begzsuren; O. Behnke; O. Behrendt; A. Belousov; N. Berger; J. C. Bizot; M. O. Boenig; V. Boudry; I. Bozovic-Jelisavcic; J. Bracinik; G. Brandt; M. Brinkmann; V. Brisson; D. Bruncko; F. W. Büsser; A. Bunyatyan; G. Buschhorn; L. Bystritskaya; A. J. Campbell; K. B. Cantun Avila; F. Cassol-Brunner; K. Cerny; V. Cerny; V. Chekelian; A. Cholewa; J. G. Contreras; J. A. Coughlan; G. Cozzika; J. Cvach; J. B. Dainton; K. Daum; M. Deak; Y. de Boer; B. Delcourt; M. Del Degan; J. Delvax; A. De Roeck; E. A. De Wolf; C. Diaconu; V. Dodonov; A. Dossanov; A. Dubak; G. Eckerlin; V. Efremenko; S. Egli; R. Eichler; F. Eisele; A. Eliseev; E. Elsen; S. Essenov; A. Falkiewicz; P. J.W. Faulkner; L. Favart; A. Fedotov; R. Felst; J. Feltesse; J. Ferencei; L. Finke; M. Fleischer; A. Fomenko; G. Franke; T. Frisson; E. Gabathuler; J. Gayler; S. Ghazaryan; A. Glazov; I. Glushkov; L. Goerlich; M. Goettlich; N. Gogitidze; S. Gorbounov; M. Gouzevitch; C. Grab; T. Greenshaw; B. R. Grell; G. Grindhammer; S. Habib; D. Haidt; M. Hansson; G. Heinzelmann; C. Helebrant; R. C.W. Henderson; H. Henschel; G. Herrera; M. Hildebrandt; K. H. Hiller; D. Hoffmann; R. Horisberger; A. Hovhannisyan; T. Hreus; M. Jacquet; M. E. Janssen; X. Janssen; V. Jemanov; L. Jönsson; D. P. Johnson; A. W. Jung; H. Jung; M. Kapichine; J. Katzy; I. R. Kenyon; C. Kiesling; M. Klein; C. Kleinwort; T. Klimkovich; T. Kluge; A. Knutsson; R. Kogler; V. Korbel; P. Kostka; M. Kraemer; K. Krastev; J. Kretzschmar; A. Kropivnitskaya; K. Krüger; K. Kutak; M. P.J. Landon; W. Lange; G. Laštovička-Medin; P. Laycock; A. Lebedev; G. Leibenguth; V. Lendermann; S. Levonian; G. Li; L. Lindfeld; K. Lipka; A. Liptaj; B. List; J. List; N. Loktionova; R. Lopez-Fernandez; V. Lubimov; A. I. Lucaci-Timoce; L. Lytkin; A. Makankine; E. Malinovski; P. Marage; Ll Marti; H. U. Martyn; S. J. Maxfield; A. Mehta; K. Meier; A. B. Meyer; H. Meyer; H. Meyer; J. Meyer; V. Michels; S. Mikocki; I. Milcewicz-Mika; A. Mohamed; F. Moreau; A. Morozov; J. V. Morris; M. U. Mozer; M. Mudrinic; K. Müller; P. Murín; K. Nankov; B. Naroska; Th Naumann; P. R. Newman; C. Niebuhr; A. Nikiforov; G. Nowak; K. Nowak; M. Nozicka; B. Olivier; J. E. Olsson; S. Osman; D. Ozerov; V. Palichik; I. Panagoulias; M. Pandurovic; Th Papadopoulou; C. Pascaud; G. D. Patel; H. Peng; E. Perez; D. Perez-Astudillo; A. Perieanu; A. Petrukhin; I. Picuric; S. Piec; D. Pitzl; R. Plačakyte; R. Polifka; B. Povh; T. Preda; P. Prideaux; V. Radescu; A. J. Rahmat; N. Raicevic; A. Raspiareza; T. Ravdandorj; P. Reimer; C. Risler; E. Rizvi; P. Robmann; B. Roland; R. Roosen; A. Rostovtsev; Z. Rurikova; S. Rusakov; D. Salek; F. Salvaire; D. P.C. Sankey; M. Sauter; E. Sauvan; S. Schmidt; S. Schmitt; C. Schmitz; L. Schoeffel; A. Schöning; H. C. Schultz-Coulon; F. Sefkow; R. N. Shaw-West; I. Sheviakov; L. N. Shtarkov; T. Sloan; I. Smiljanic; P. Smirnov; Y. Soloviev; D. South; V. Spaskov; A. Specka; Z. Staykova; M. Steder; B. Stella; J. Stiewe; U. Straumann; D. Sunar; T. Sykora; V. Tchoulakov; G. Thompson; P. D. Thompson; T. Toll; F. Tomasz; T. H. Tran; D. Traynor; T. N. Trinh; P. Truöl; I. Tsakov; B. Tseepeldorj; I. Tsurin; J. Turnau; E. Tzamariudaki; K. Urban; A. Valkárová; C. Vallée; P. Van Mechelen; A. Vargas Trevino; Y. Vazdik; S. Vinokurova; V. Volchinski; G. Weber; R. Weber; D. Wegener; C. Werner; M. Wessels; Ch Wissing; R. Wolf; E. Wünsch; V. Yeganov; J. Žáček; J. Zálešák; Z. Zhang; A. Zhelezov; A. Zhokin; Y. C. Zhu; T. Zimmermann; H. Zohrabyan; F. Zomer

doi:10.1016/j.physletb.2007.11.093

Measurement of deeply virtual Compton scattering and its t-dependence at HERA

F. D. Aaron, A. Aktas, C. Alexa, V. Andreev, B. Antunovic, S. Aplin, A. Asmone, A. Astvatsatourov, S. Backovic, A. Baghdasaryan, P. Baranov, E. Barrelet, W. Bartel, S. Baudrand, M. Beckingham, K. Begzsuren, O. Behnke^*, O. Behrendt, A. Belousov, N. BergerJ. C. Bizot, M. O. Boenig, V. Boudry, I. Bozovic-Jelisavcic, J. Bracinik, G. Brandt, M. Brinkmann, V. Brisson, D. Bruncko, F. W. Büsser, A. Bunyatyan, G. Buschhorn, L. Bystritskaya, A. J. Campbell, K. B. Cantun Avila, F. Cassol-Brunner, K. Cerny, V. Cerny, V. Chekelian, A. Cholewa, J. G. Contreras, J. A. Coughlan, G. Cozzika, J. Cvach, J. B. Dainton, K. Daum, M. Deak, Y. de Boer, B. Delcourt, M. Del Degan, J. Delvax, A. De Roeck, E. A. De Wolf, C. Diaconu, V. Dodonov, A. Dossanov, A. Dubak, G. Eckerlin, V. Efremenko, S. Egli, R. Eichler, F. Eisele, A. Eliseev, E. Elsen, S. Essenov, A. Falkiewicz, P. J.W. Faulkner, L. Favart, A. Fedotov, R. Felst, J. Feltesse, J. Ferencei, L. Finke, M. Fleischer, A. Fomenko, G. Franke, T. Frisson, E. Gabathuler, J. Gayler, S. Ghazaryan, A. Glazov, I. Glushkov, L. Goerlich, M. Goettlich, N. Gogitidze, S. Gorbounov, M. Gouzevitch, C. Grab, T. Greenshaw, B. R. Grell, G. Grindhammer, S. Habib, D. Haidt, M. Hansson, G. Heinzelmann, C. Helebrant, R. C.W. Henderson, H. Henschel, G. Herrera, M. Hildebrandt, K. H. Hiller, D. Hoffmann, R. Horisberger, A. Hovhannisyan, T. Hreus, M. Jacquet, M. E. Janssen, X. Janssen, V. Jemanov, L. Jönsson, D. P. Johnson, A. W. Jung, H. Jung, M. Kapichine, J. Katzy, I. R. Kenyon, C. Kiesling, M. Klein, C. Kleinwort, T. Klimkovich, T. Kluge, A. Knutsson, R. Kogler, V. Korbel, P. Kostka, M. Kraemer, K. Krastev, J. Kretzschmar, A. Kropivnitskaya, K. Krüger, K. Kutak, M. P.J. Landon, W. Lange, G. Laštovička-Medin, P. Laycock, A. Lebedev, G. Leibenguth, V. Lendermann, S. Levonian, G. Li, L. Lindfeld, K. Lipka, A. Liptaj, B. List, J. List, N. Loktionova, R. Lopez-Fernandez, V. Lubimov, A. I. Lucaci-Timoce, L. Lytkin, A. Makankine, E. Malinovski, P. Marage, Ll Marti, H. U. Martyn, S. J. Maxfield, A. Mehta, K. Meier, A. B. Meyer, H. Meyer, H. Meyer, J. Meyer, V. Michels, S. Mikocki, I. Milcewicz-Mika, A. Mohamed, F. Moreau, A. Morozov, J. V. Morris, M. U. Mozer, M. Mudrinic, K. Müller, P. Murín, K. Nankov, B. Naroska, Th Naumann, P. R. Newman, C. Niebuhr, A. Nikiforov, G. Nowak, K. Nowak, M. Nozicka, B. Olivier, J. E. Olsson, S. Osman, D. Ozerov, V. Palichik, I. Panagoulias, M. Pandurovic, Th Papadopoulou, C. Pascaud, G. D. Patel, H. Peng, E. Perez, D. Perez-Astudillo, A. Perieanu, A. Petrukhin, I. Picuric, S. Piec, D. Pitzl, R. Plačakyte, R. Polifka, B. Povh, T. Preda, P. Prideaux, V. Radescu, A. J. Rahmat, N. Raicevic, A. Raspiareza, T. Ravdandorj, P. Reimer, C. Risler, E. Rizvi, P. Robmann, B. Roland, R. Roosen, A. Rostovtsev, Z. Rurikova, S. Rusakov, D. Salek, F. Salvaire, D. P.C. Sankey, M. Sauter, E. Sauvan, S. Schmidt, S. Schmitt, C. Schmitz, L. Schoeffel, A. Schöning, H. C. Schultz-Coulon, F. Sefkow, R. N. Shaw-West, I. Sheviakov, L. N. Shtarkov, T. Sloan, I. Smiljanic, P. Smirnov, Y. Soloviev, D. South, V. Spaskov, A. Specka, Z. Staykova, M. Steder, B. Stella, J. Stiewe, U. Straumann, D. Sunar, T. Sykora, V. Tchoulakov, G. Thompson, P. D. Thompson, T. Toll, F. Tomasz, T. H. Tran, D. Traynor, T. N. Trinh, P. Truöl, I. Tsakov, B. Tseepeldorj, I. Tsurin, J. Turnau, E. Tzamariudaki, K. Urban, A. Valkárová, C. Vallée, P. Van Mechelen, A. Vargas Trevino, Y. Vazdik, S. Vinokurova, V. Volchinski, G. Weber, R. Weber, D. Wegener, C. Werner, M. Wessels, Ch Wissing, R. Wolf, E. Wünsch, V. Yeganov, J. Žáček, J. Zálešák, Z. Zhang, A. Zhelezov, A. Zhokin, Y. C. Zhu, T. Zimmermann, H. Zohrabyan, F. Zomer

^*Corresponding author for this work

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

159 Citations (Scopus)

Abstract

A measurement of elastic deeply virtual Compton scattering γ ^* p → γ p using e ^- p collision data recorded with the H1 detector at HERA is presented. The analysed data sample corresponds to an integrated luminosity of 145 pb ^-1. The cross section is measured as a function of the virtuality Q ² of the exchanged photon and the centre-of-mass energy W of the γ ^* p system in the kinematic domain 6.5 < Q ² < 80 GeV ², 30 < W < 140 GeV and | t | < 1 GeV ², where t denotes the squared momentum transfer at the proton vertex. The cross section is determined differentially in t for different Q ² and W values and exponential t-slope parameters are derived. The measurements are compared to a NLO QCD calculation based on generalised parton distributions. In the context of the dipole approach, the geometric scaling property of the DVCS cross section is studied for different values of t.

Original language	English
Pages (from-to)	796-806
Number of pages	11
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	659
Issue number	4
DOIs	https://doi.org/10.1016/j.physletb.2007.11.093
Publication status	Published - 31 Jan 2008
Externally published	Yes

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10.1016/j.physletb.2007.11.093

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Aaron, F. D., Aktas, A., Alexa, C., Andreev, V., Antunovic, B., Aplin, S., Asmone, A., Astvatsatourov, A., Backovic, S., Baghdasaryan, A., Baranov, P., Barrelet, E., Bartel, W., Baudrand, S., Beckingham, M., Begzsuren, K., Behnke, O., Behrendt, O., Belousov, A., ... Zomer, F. (2008). Measurement of deeply virtual Compton scattering and its t-dependence at HERA. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 659(4), 796-806. https://doi.org/10.1016/j.physletb.2007.11.093

@article{494b7ada16974799933df5c696127275,

title = "Measurement of deeply virtual Compton scattering and its t-dependence at HERA",

abstract = "A measurement of elastic deeply virtual Compton scattering γ * p → γ p using e - p collision data recorded with the H1 detector at HERA is presented. The analysed data sample corresponds to an integrated luminosity of 145 pb -1. The cross section is measured as a function of the virtuality Q 2 of the exchanged photon and the centre-of-mass energy W of the γ * p system in the kinematic domain 6.5 < Q 2 < 80 GeV 2, 30 < W < 140 GeV and | t | < 1 GeV 2, where t denotes the squared momentum transfer at the proton vertex. The cross section is determined differentially in t for different Q 2 and W values and exponential t-slope parameters are derived. The measurements are compared to a NLO QCD calculation based on generalised parton distributions. In the context of the dipole approach, the geometric scaling property of the DVCS cross section is studied for different values of t.",

author = "Aaron, {F. D.} and A. Aktas and C. Alexa and V. Andreev and B. Antunovic and S. Aplin and A. Asmone and A. Astvatsatourov and S. Backovic and A. Baghdasaryan and P. Baranov and E. Barrelet and W. Bartel and S. Baudrand and M. Beckingham and K. Begzsuren and O. Behnke and O. Behrendt and A. Belousov and N. Berger and Bizot, {J. C.} and Boenig, {M. O.} and V. Boudry and I. Bozovic-Jelisavcic and J. Bracinik and G. Brandt and M. Brinkmann and V. Brisson and D. Bruncko and B{\"u}sser, {F. W.} and A. Bunyatyan and G. Buschhorn and L. Bystritskaya and Campbell, {A. J.} and {Cantun Avila}, {K. B.} and F. Cassol-Brunner and K. Cerny and V. Cerny and V. Chekelian and A. Cholewa and Contreras, {J. G.} and Coughlan, {J. A.} and G. Cozzika and J. Cvach and Dainton, {J. B.} and K. Daum and M. Deak and {de Boer}, Y. and B. Delcourt and {Del Degan}, M. and J. Delvax and {De Roeck}, A. and {De Wolf}, {E. A.} and C. Diaconu and V. Dodonov and A. Dossanov and A. Dubak and G. Eckerlin and V. Efremenko and S. Egli and R. Eichler and F. Eisele and A. Eliseev and E. Elsen and S. Essenov and A. Falkiewicz and Faulkner, {P. J.W.} and L. Favart and A. Fedotov and R. Felst and J. Feltesse and J. Ferencei and L. Finke and M. Fleischer and A. Fomenko and G. Franke and T. Frisson and E. Gabathuler and J. Gayler and S. Ghazaryan and A. Glazov and I. Glushkov and L. Goerlich and M. Goettlich and N. Gogitidze and S. Gorbounov and M. Gouzevitch and C. Grab and T. Greenshaw and Grell, {B. R.} and G. Grindhammer and S. Habib and D. Haidt and M. Hansson and G. Heinzelmann and C. Helebrant and Henderson, {R. C.W.} and H. Henschel and G. Herrera and M. Hildebrandt and Hiller, {K. H.} and D. Hoffmann and R. Horisberger and A. Hovhannisyan and T. Hreus and M. Jacquet and Janssen, {M. E.} and X. Janssen and V. Jemanov and L. J{\"o}nsson and Johnson, {D. P.} and Jung, {A. W.} and H. Jung and M. Kapichine and J. Katzy and Kenyon, {I. R.} and C. Kiesling and M. Klein and C. Kleinwort and T. Klimkovich and T. Kluge and A. Knutsson and R. Kogler and V. Korbel and P. Kostka and M. Kraemer and K. Krastev and J. Kretzschmar and A. Kropivnitskaya and K. Kr{\"u}ger and K. Kutak and Landon, {M. P.J.} and W. Lange and G. La{\v s}tovi{\v c}ka-Medin and P. Laycock and A. Lebedev and G. Leibenguth and V. Lendermann and S. Levonian and G. Li and L. Lindfeld and K. Lipka and A. Liptaj and B. List and J. List and N. Loktionova and R. Lopez-Fernandez and V. Lubimov and Lucaci-Timoce, {A. I.} and L. Lytkin and A. Makankine and E. Malinovski and P. Marage and Ll Marti and Martyn, {H. U.} and Maxfield, {S. J.} and A. Mehta and K. Meier and Meyer, {A. B.} and H. Meyer and H. Meyer and J. Meyer and V. Michels and S. Mikocki and I. Milcewicz-Mika and A. Mohamed and F. Moreau and A. Morozov and Morris, {J. V.} and Mozer, {M. U.} and M. Mudrinic and K. M{\"u}ller and P. Mur{\'i}n and K. Nankov and B. Naroska and Th Naumann and Newman, {P. R.} and C. Niebuhr and A. Nikiforov and G. Nowak and K. Nowak and M. Nozicka and B. Olivier and Olsson, {J. E.} and S. Osman and D. Ozerov and V. Palichik and I. Panagoulias and M. Pandurovic and Th Papadopoulou and C. Pascaud and Patel, {G. D.} and H. Peng and E. Perez and D. Perez-Astudillo and A. Perieanu and A. Petrukhin and I. Picuric and S. Piec and D. Pitzl and R. Pla{\v c}akyte and R. Polifka and B. Povh and T. Preda and P. Prideaux and V. Radescu and Rahmat, {A. J.} and N. Raicevic and A. Raspiareza and T. Ravdandorj and P. Reimer and C. Risler and E. Rizvi and P. Robmann and B. Roland and R. Roosen and A. Rostovtsev and Z. Rurikova and S. Rusakov and D. Salek and F. Salvaire and Sankey, {D. P.C.} and M. Sauter and E. Sauvan and S. Schmidt and S. Schmitt and C. Schmitz and L. Schoeffel and A. Sch{\"o}ning and Schultz-Coulon, {H. C.} and F. Sefkow and Shaw-West, {R. N.} and I. Sheviakov and Shtarkov, {L. N.} and T. Sloan and I. Smiljanic and P. Smirnov and Y. Soloviev and D. South and V. Spaskov and A. Specka and Z. Staykova and M. Steder and B. Stella and J. Stiewe and U. Straumann and D. Sunar and T. Sykora and V. Tchoulakov and G. Thompson and Thompson, {P. D.} and T. Toll and F. Tomasz and Tran, {T. H.} and D. Traynor and Trinh, {T. N.} and P. Tru{\"o}l and I. Tsakov and B. Tseepeldorj and I. Tsurin and J. Turnau and E. Tzamariudaki and K. Urban and A. Valk{\'a}rov{\'a} and C. Vall{\'e}e and {Van Mechelen}, P. and {Vargas Trevino}, A. and Y. Vazdik and S. Vinokurova and V. Volchinski and G. Weber and R. Weber and D. Wegener and C. Werner and M. Wessels and Ch Wissing and R. Wolf and E. W{\"u}nsch and V. Yeganov and J. {\v Z}{\'a}{\v c}ek and J. Z{\'a}le{\v s}{\'a}k and Z. Zhang and A. Zhelezov and A. Zhokin and Zhu, {Y. C.} and T. Zimmermann and H. Zohrabyan and F. Zomer",

year = "2008",

month = jan,

day = "31",

doi = "10.1016/j.physletb.2007.11.093",

language = "English",

volume = "659",

pages = "796--806",

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

issn = "0370-2693",

publisher = "Elsevier B.V.",

number = "4",

}

Aaron, FD, Aktas, A, Alexa, C, Andreev, V, Antunovic, B, Aplin, S, Asmone, A, Astvatsatourov, A, Backovic, S, Baghdasaryan, A, Baranov, P, Barrelet, E, Bartel, W, Baudrand, S, Beckingham, M, Begzsuren, K, Behnke, O, Behrendt, O, Belousov, A, Berger, N, Bizot, JC, Boenig, MO, Boudry, V, Bozovic-Jelisavcic, I, Bracinik, J, Brandt, G, Brinkmann, M, Brisson, V, Bruncko, D, Büsser, FW, Bunyatyan, A, Buschhorn, G, Bystritskaya, L, Campbell, AJ, Cantun Avila, KB, Cassol-Brunner, F, Cerny, K, Cerny, V, Chekelian, V, Cholewa, A, Contreras, JG, Coughlan, JA, Cozzika, G, Cvach, J, Dainton, JB, Daum, K, Deak, M, de Boer, Y, Delcourt, B, Del Degan, M, Delvax, J, De Roeck, A, De Wolf, EA, Diaconu, C, Dodonov, V, Dossanov, A, Dubak, A, Eckerlin, G, Efremenko, V, Egli, S, Eichler, R, Eisele, F, Eliseev, A, Elsen, E, Essenov, S, Falkiewicz, A, Faulkner, PJW, Favart, L, Fedotov, A, Felst, R, Feltesse, J, Ferencei, J, Finke, L, Fleischer, M, Fomenko, A, Franke, G, Frisson, T, Gabathuler, E, Gayler, J, Ghazaryan, S, Glazov, A, Glushkov, I, Goerlich, L, Goettlich, M, Gogitidze, N, Gorbounov, S, Gouzevitch, M, Grab, C, Greenshaw, T, Grell, BR, Grindhammer, G, Habib, S, Haidt, D, Hansson, M, Heinzelmann, G, Helebrant, C, Henderson, RCW, Henschel, H, Herrera, G, Hildebrandt, M, Hiller, KH, Hoffmann, D, Horisberger, R, Hovhannisyan, A, Hreus, T, Jacquet, M, Janssen, ME, Janssen, X, Jemanov, V, Jönsson, L, Johnson, DP, Jung, AW, Jung, H, Kapichine, M, Katzy, J, Kenyon, IR, Kiesling, C, Klein, M, Kleinwort, C, Klimkovich, T, Kluge, T, Knutsson, A, Kogler, R, Korbel, V, Kostka, P, Kraemer, M, Krastev, K, Kretzschmar, J, Kropivnitskaya, A, Krüger, K, Kutak, K, Landon, MPJ, Lange, W, Laštovička-Medin, G, Laycock, P, Lebedev, A, Leibenguth, G, Lendermann, V, Levonian, S, Li, G, Lindfeld, L, Lipka, K, Liptaj, A, List, B, List, J, Loktionova, N, Lopez-Fernandez, R, Lubimov, V, Lucaci-Timoce, AI, Lytkin, L, Makankine, A, Malinovski, E, Marage, P, Marti, L, Martyn, HU, Maxfield, SJ, Mehta, A, Meier, K, Meyer, AB, Meyer, H, Meyer, H, Meyer, J, Michels, V, Mikocki, S, Milcewicz-Mika, I, Mohamed, A, Moreau, F, Morozov, A, Morris, JV, Mozer, MU, Mudrinic, M, Müller, K, Murín, P, Nankov, K, Naroska, B, Naumann, T, Newman, PR, Niebuhr, C, Nikiforov, A, Nowak, G, Nowak, K, Nozicka, M, Olivier, B, Olsson, JE, Osman, S, Ozerov, D, Palichik, V, Panagoulias, I, Pandurovic, M, Papadopoulou, T, Pascaud, C, Patel, GD, Peng, H, Perez, E, Perez-Astudillo, D, Perieanu, A, Petrukhin, A, Picuric, I, Piec, S, Pitzl, D, Plačakyte, R, Polifka, R, Povh, B, Preda, T, Prideaux, P, Radescu, V, Rahmat, AJ, Raicevic, N, Raspiareza, A, Ravdandorj, T, Reimer, P, Risler, C, Rizvi, E, Robmann, P, Roland, B, Roosen, R, Rostovtsev, A, Rurikova, Z, Rusakov, S, Salek, D, Salvaire, F, Sankey, DPC, Sauter, M, Sauvan, E, Schmidt, S, Schmitt, S, Schmitz, C, Schoeffel, L, Schöning, A, Schultz-Coulon, HC, Sefkow, F, Shaw-West, RN, Sheviakov, I, Shtarkov, LN, Sloan, T, Smiljanic, I, Smirnov, P, Soloviev, Y, South, D, Spaskov, V, Specka, A, Staykova, Z, Steder, M, Stella, B, Stiewe, J, Straumann, U, Sunar, D, Sykora, T, Tchoulakov, V, Thompson, G, Thompson, PD, Toll, T, Tomasz, F, Tran, TH, Traynor, D, Trinh, TN, Truöl, P, Tsakov, I, Tseepeldorj, B, Tsurin, I, Turnau, J, Tzamariudaki, E, Urban, K, Valkárová, A, Vallée, C, Van Mechelen, P, Vargas Trevino, A, Vazdik, Y, Vinokurova, S, Volchinski, V, Weber, G, Weber, R, Wegener, D, Werner, C, Wessels, M, Wissing, C, Wolf, R, Wünsch, E, Yeganov, V, Žáček, J, Zálešák, J, Zhang, Z, Zhelezov, A, Zhokin, A, Zhu, YC, Zimmermann, T, Zohrabyan, H & Zomer, F 2008, 'Measurement of deeply virtual Compton scattering and its t-dependence at HERA', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 659, no. 4, pp. 796-806. https://doi.org/10.1016/j.physletb.2007.11.093

TY - JOUR

T1 - Measurement of deeply virtual Compton scattering and its t-dependence at HERA

AU - Aaron, F. D.

AU - Aktas, A.

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PY - 2008/1/31

Y1 - 2008/1/31

N2 - A measurement of elastic deeply virtual Compton scattering γ * p → γ p using e - p collision data recorded with the H1 detector at HERA is presented. The analysed data sample corresponds to an integrated luminosity of 145 pb -1. The cross section is measured as a function of the virtuality Q 2 of the exchanged photon and the centre-of-mass energy W of the γ * p system in the kinematic domain 6.5 < Q 2 < 80 GeV 2, 30 < W < 140 GeV and | t | < 1 GeV 2, where t denotes the squared momentum transfer at the proton vertex. The cross section is determined differentially in t for different Q 2 and W values and exponential t-slope parameters are derived. The measurements are compared to a NLO QCD calculation based on generalised parton distributions. In the context of the dipole approach, the geometric scaling property of the DVCS cross section is studied for different values of t.

AB - A measurement of elastic deeply virtual Compton scattering γ * p → γ p using e - p collision data recorded with the H1 detector at HERA is presented. The analysed data sample corresponds to an integrated luminosity of 145 pb -1. The cross section is measured as a function of the virtuality Q 2 of the exchanged photon and the centre-of-mass energy W of the γ * p system in the kinematic domain 6.5 < Q 2 < 80 GeV 2, 30 < W < 140 GeV and | t | < 1 GeV 2, where t denotes the squared momentum transfer at the proton vertex. The cross section is determined differentially in t for different Q 2 and W values and exponential t-slope parameters are derived. The measurements are compared to a NLO QCD calculation based on generalised parton distributions. In the context of the dipole approach, the geometric scaling property of the DVCS cross section is studied for different values of t.

UR - http://www.scopus.com/inward/record.url?scp=38349052973&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2007.11.093

DO - 10.1016/j.physletb.2007.11.093

M3 - Article

AN - SCOPUS:38349052973

SN - 0370-2693

VL - 659

SP - 796

EP - 806

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

ER -

Measurement of deeply virtual Compton scattering and its t-dependence at HERA

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