Inelastic production of J/psi mesons in photoproduction and deep inelastic scattering at HERA

F. D. Aaron; C. Alexa; V. Andreev; B. Antunovic; S. Backovic; A. Baghdasaryan; E. Barrelet; W. Bartel; K. Begzsuren; A. Belousov; J. C. Bizot; V. Boudry; I. Bozovic-Jelisavcic; J. Bracinik; G. Brandt; M. Brinkmann; V. Brisson; D. Bruncko; A. Bunyatyan; G. Buschhorn; L. Bystritskaya; A. J. Campbell; K. B. Cantun Avila; 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; B. Delcourt; J. Delvax; E. A. De Wolf; C. Diaconu; V. Dodonov; A. Dossanov; A. Dubak; G. Eckerlin; V. Efremenko; S. Egli; A. Eliseev; E. Elsen; A. Falkiewicz; L. Favart; A. Fedotov; R. Felst; J. Feltesse; J. Ferencei; D. -J. Fischer; M. Fleischer; A. Fomenko; E. Gabathuler; J. Gayler; S. Ghazaryan; A. Glazov; L. Goerlich; N. Gogitidze; M. Gouzevitch; C. Grab; A. Grebenyuk; T. Greenshaw; B. R. Grell; G. Grindhammer; S. Habib; D. Haidt; C. Helebrant; R. C. W. Henderson; E. Hennekemper; H. Henschel; M. Herbst; G. Herrera; M. Hildebrandt; K. H. Hiller; D. Hoffmann; R. Horisberger; T. Hreus; M. Jacquet; X. Janssen; Leif Jönsson; A. W. Jung; H. Jung; M. Kapichine; J. Katzy; I. R. Kenyon; C. Kiesling; M. Klein; C. Kleinwort; T. Kluge; A. Knutsson; R. Kogler; P. Kostka; M. Kraemer; K. Krastev; J. Kretzschmar; A. Kropivnitskaya; K. Kruger; K. Kutak; M. P. J. Landon; W. Lange; G. Latovika-Medin; P. Laycock; A. Lebedev; V. Lendermann; S. Levonian; G. Li; K. Lipka; A. Liptaj; B. List; J. List; N. Loktionova; R. Lopez-Fernandez; V. Lubimov; A. Makankine; E. Malinovski; P. Marage; Ll. Marti; H. -U. Martyn; S. J. Maxfield; A. Mehta; A. B. Meyer; H. Meyer; J. Meyer; S. Mikocki; I. Milcewicz-Mika; F. Moreau; A. Morozov; J. V. Morris; M. U. Mozer; M. Mudrinic; K. Muller; P. Murin; Th. Naumann; P. R. Newman; C. Niebuhr; A. Nikiforov; D. Nikitin; G. Nowak; K. Nowak; J. E. Olsson; Sakar Osman; D. Ozerov; P. Pahl; V. Palichik; I. Panagoulias; M. Pandurovic; Th. Papadopoulou; C. Pascaud; G. D. Patel; E. Perez; A. Petrukhin; I. Picuric; S. Piec; D. Pitzl; R. PlaakytAu; B. Pokorny; R. Polifka; B. Povh; V. Radescu; N. Raicevic; A. Raspiareza; T. Ravdandorj; P. Reimer; E. Rizvi; P. Robmann; R. Roosen; A. Rostovtsev; M. Rotaru; J. E. Ruiz Tabasco; S. Rusakov; D. Salek; D. P. C. Sankey; M. Sauter; E. Sauvan; S. Schmitt; L. Schoeffel; A. Schoning; H. -C. Schultz-Coulon; F. Sefkow; R. N. Shaw-West; L. N. Shtarkov; S. Shushkevich; T. Sloan; I. Smiljanic; Y. Soloviev; P. Sopicki; D. South; V. Spaskov; A. Specka; Z. Staykova; M. Steder; B. Stella; G. Stoicea; U. Straumann; D. Sunar; T. Sykora; G. Thompson; P. D. Thompson; T. Toll; F. Tomasz; T. H. Tran; D. Traynor; P. Truol; I. Tsakov; B. Tseepeldorj; J. Turnau; K. Urban; A. Valkarova; C. Valle; P. Van Mechelen; A. Vargas Trevino; Y. Vazdik; V. Volchinski; M. von den Driesch; D. Wegener; Ch. Wissing; E. Wunsch; J. Zaleak; Z. Zhang; A. Zhokin; T. Zimmermann; H. Zohrabyan; F. Zomer

doi:10.1140/epjc/s10052-010-1376-5

Inelastic production of J/psi mesons in photoproduction and deep inelastic scattering at HERA

F. D. Aaron, C. Alexa, V. Andreev, B. Antunovic, S. Backovic, A. Baghdasaryan, E. Barrelet, W. Bartel, K. Begzsuren, A. Belousov, J. C. Bizot, V. Boudry, I. Bozovic-Jelisavcic, J. Bracinik, G. Brandt, M. Brinkmann, V. Brisson, D. Bruncko, A. Bunyatyan, G. BuschhornL. Bystritskaya, A. J. Campbell, K. B. Cantun Avila, 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, B. Delcourt, J. Delvax, E. A. De Wolf, C. Diaconu, V. Dodonov, A. Dossanov, A. Dubak, G. Eckerlin, V. Efremenko, S. Egli, A. Eliseev, E. Elsen, A. Falkiewicz, L. Favart, A. Fedotov, R. Felst, J. Feltesse, J. Ferencei, D. -J. Fischer, M. Fleischer, A. Fomenko, E. Gabathuler, J. Gayler, S. Ghazaryan, A. Glazov, L. Goerlich, N. Gogitidze, M. Gouzevitch, C. Grab, A. Grebenyuk, T. Greenshaw, B. R. Grell, G. Grindhammer, S. Habib, D. Haidt, C. Helebrant, R. C. W. Henderson, E. Hennekemper, H. Henschel, M. Herbst, G. Herrera, M. Hildebrandt, K. H. Hiller, D. Hoffmann, R. Horisberger, T. Hreus, M. Jacquet, X. Janssen, Leif Jönsson, A. W. Jung, H. Jung, M. Kapichine, J. Katzy, I. R. Kenyon, C. Kiesling, M. Klein, C. Kleinwort, T. Kluge, A. Knutsson, R. Kogler, P. Kostka, M. Kraemer, K. Krastev, J. Kretzschmar, A. Kropivnitskaya, K. Kruger, K. Kutak, M. P. J. Landon, W. Lange, G. Latovika-Medin, P. Laycock, A. Lebedev, V. Lendermann, S. Levonian, G. Li, K. Lipka, A. Liptaj, B. List, J. List, N. Loktionova, R. Lopez-Fernandez, V. Lubimov, A. Makankine, E. Malinovski, P. Marage, Ll. Marti, H. -U. Martyn, S. J. Maxfield, A. Mehta, A. B. Meyer, H. Meyer, J. Meyer, S. Mikocki, I. Milcewicz-Mika, F. Moreau, A. Morozov, J. V. Morris, M. U. Mozer, M. Mudrinic, K. Muller, P. Murin, Th. Naumann, P. R. Newman, C. Niebuhr, A. Nikiforov, D. Nikitin, G. Nowak, K. Nowak, J. E. Olsson, Sakar Osman, D. Ozerov, P. Pahl, V. Palichik, I. Panagoulias, M. Pandurovic, Th. Papadopoulou, C. Pascaud, G. D. Patel, E. Perez, A. Petrukhin, I. Picuric, S. Piec, D. Pitzl, R. PlaakytAu, B. Pokorny, R. Polifka, B. Povh, V. Radescu, N. Raicevic, A. Raspiareza, T. Ravdandorj, P. Reimer, E. Rizvi, P. Robmann, R. Roosen, A. Rostovtsev, M. Rotaru, J. E. Ruiz Tabasco, S. Rusakov, D. Salek, D. P. C. Sankey, M. Sauter, E. Sauvan, S. Schmitt, L. Schoeffel, A. Schoning, H. -C. Schultz-Coulon, F. Sefkow, R. N. Shaw-West, L. N. Shtarkov, S. Shushkevich, T. Sloan, I. Smiljanic, Y. Soloviev, P. Sopicki, D. South, V. Spaskov, A. Specka, Z. Staykova, M. Steder, B. Stella, G. Stoicea, U. Straumann, D. Sunar, T. Sykora, G. Thompson, P. D. Thompson, T. Toll, F. Tomasz, T. H. Tran, D. Traynor, P. Truol, I. Tsakov, B. Tseepeldorj, J. Turnau, K. Urban, A. Valkarova, C. Valle, P. Van Mechelen, A. Vargas Trevino, Y. Vazdik, V. Volchinski, M. von den Driesch, D. Wegener, Ch. Wissing, E. Wunsch, J. Zaleak, Z. Zhang, A. Zhokin, T. Zimmermann, H. Zohrabyan, F. Zomer

Particle and nuclear physics

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

Abstract

A measurement is presented of inelastic photoand electroproduction of J/psi mesons in ep scattering at HERA. The data were recorded with the H1 detector in the period from 2004 to 2007. Single and double differential cross sections are determined and the helicity distributions of the J/psi mesons are analysed. The results are compared to theoretical predictions in the colour singlet model and in the framework of non- relativistic QCD. Calculations in the colour singlet model using a k(T) factorisation ansatz are able to give a good description of the data, while colour singlet model calculations to next- to- leading order in collinear factorisation underestimate the data.

Original language	English
Pages (from-to)	401-420
Journal	European Physical Journal C. Particles and Fields
Volume	68
Issue number	3-4
DOIs	https://doi.org/10.1140/epjc/s10052-010-1376-5
Publication status	Published - 2010

Subject classification (UKÄ)

Subatomic Physics

Access to Document

10.1140/epjc/s10052-010-1376-5

Cite this

Aaron, F. D., Alexa, C., Andreev, V., Antunovic, B., Backovic, S., Baghdasaryan, A., Barrelet, E., Bartel, W., Begzsuren, K., Belousov, A., Bizot, J. C., Boudry, V., Bozovic-Jelisavcic, I., Bracinik, J., Brandt, G., Brinkmann, M., Brisson, V., Bruncko, D., Bunyatyan, A., ... Zomer, F. (2010). Inelastic production of J/psi mesons in photoproduction and deep inelastic scattering at HERA. European Physical Journal C. Particles and Fields, 68(3-4), 401-420. https://doi.org/10.1140/epjc/s10052-010-1376-5

@article{75d836606a2a416389a90b4b445937b9,

title = "Inelastic production of J/psi mesons in photoproduction and deep inelastic scattering at HERA",

abstract = "A measurement is presented of inelastic photoand electroproduction of J/psi mesons in ep scattering at HERA. The data were recorded with the H1 detector in the period from 2004 to 2007. Single and double differential cross sections are determined and the helicity distributions of the J/psi mesons are analysed. The results are compared to theoretical predictions in the colour singlet model and in the framework of non- relativistic QCD. Calculations in the colour singlet model using a k(T) factorisation ansatz are able to give a good description of the data, while colour singlet model calculations to next- to- leading order in collinear factorisation underestimate the data.",

author = "Aaron, {F. D.} and C. Alexa and V. Andreev and B. Antunovic and S. Backovic and A. Baghdasaryan and E. Barrelet and W. Bartel and K. Begzsuren and A. Belousov and Bizot, {J. C.} and V. Boudry and I. Bozovic-Jelisavcic and J. Bracinik and G. Brandt and M. Brinkmann and V. Brisson and D. Bruncko and A. Bunyatyan and G. Buschhorn and L. Bystritskaya and Campbell, {A. J.} and {Cantun Avila}, {K. B.} 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 B. Delcourt and J. Delvax 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 A. Eliseev and E. Elsen and A. Falkiewicz and L. Favart and A. Fedotov and R. Felst and J. Feltesse and J. Ferencei and Fischer, {D. -J.} and M. Fleischer and A. Fomenko and E. Gabathuler and J. Gayler and S. Ghazaryan and A. Glazov and L. Goerlich and N. Gogitidze and M. Gouzevitch and C. Grab and A. Grebenyuk and T. Greenshaw and Grell, {B. R.} and G. Grindhammer and S. Habib and D. Haidt and C. Helebrant and Henderson, {R. C. W.} and E. Hennekemper and H. Henschel and M. Herbst and G. Herrera and M. Hildebrandt and Hiller, {K. H.} and D. Hoffmann and R. Horisberger and T. Hreus and M. Jacquet and X. Janssen and Leif J{\"o}nsson 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. Kluge and A. Knutsson and R. Kogler and P. Kostka and M. Kraemer and K. Krastev and J. Kretzschmar and A. Kropivnitskaya and K. Kruger and K. Kutak and Landon, {M. P. J.} and W. Lange and G. Latovika-Medin and P. Laycock and A. Lebedev and V. Lendermann and S. Levonian and G. Li and K. Lipka and A. Liptaj and B. List and J. List and N. Loktionova and R. Lopez-Fernandez and V. Lubimov and A. Makankine and E. Malinovski and P. Marage and Ll. Marti and Martyn, {H. -U.} and Maxfield, {S. J.} and A. Mehta and Meyer, {A. B.} and H. Meyer and J. Meyer and S. Mikocki and I. Milcewicz-Mika and F. Moreau and A. Morozov and Morris, {J. V.} and Mozer, {M. U.} and M. Mudrinic and K. Muller and P. Murin and Th. Naumann and Newman, {P. R.} and C. Niebuhr and A. Nikiforov and D. Nikitin and G. Nowak and K. Nowak and Olsson, {J. E.} and Sakar Osman and D. Ozerov and P. Pahl and V. Palichik and I. Panagoulias and M. Pandurovic and Th. Papadopoulou and C. Pascaud and Patel, {G. D.} and E. Perez and A. Petrukhin and I. Picuric and S. Piec and D. Pitzl and R. PlaakytAu and B. Pokorny and R. Polifka and B. Povh and V. Radescu and N. Raicevic and A. Raspiareza and T. Ravdandorj and P. Reimer and E. Rizvi and P. Robmann and R. Roosen and A. Rostovtsev and M. Rotaru and Tabasco, {J. E. Ruiz} and S. Rusakov and D. Salek and Sankey, {D. P. C.} and M. Sauter and E. Sauvan and S. Schmitt and L. Schoeffel and A. Schoning and Schultz-Coulon, {H. -C.} and F. Sefkow and Shaw-West, {R. N.} and Shtarkov, {L. N.} and S. Shushkevich and T. Sloan and I. Smiljanic and Y. Soloviev and P. Sopicki and D. South and V. Spaskov and A. Specka and Z. Staykova and M. Steder and B. Stella and G. Stoicea and U. Straumann and D. Sunar and T. Sykora and G. Thompson and Thompson, {P. D.} and T. Toll and F. Tomasz and Tran, {T. H.} and D. Traynor and P. Truol and I. Tsakov and B. Tseepeldorj and J. Turnau and K. Urban and A. Valkarova and C. Valle and {Van Mechelen}, P. and Trevino, {A. Vargas} and Y. Vazdik and V. Volchinski and {von den Driesch}, M. and D. Wegener and Ch. Wissing and E. Wunsch and J. Zaleak and Z. Zhang and A. Zhokin and T. Zimmermann and H. Zohrabyan and F. Zomer",

year = "2010",

doi = "10.1140/epjc/s10052-010-1376-5",

language = "English",

volume = "68",

pages = "401--420",

journal = "European Physical Journal C. Particles and Fields",

issn = "1434-6044",

publisher = "Springer",

number = "3-4",

}

Aaron, FD, Alexa, C, Andreev, V, Antunovic, B, Backovic, S, Baghdasaryan, A, Barrelet, E, Bartel, W, Begzsuren, K, Belousov, A, Bizot, JC, Boudry, V, Bozovic-Jelisavcic, I, Bracinik, J, Brandt, G, Brinkmann, M, Brisson, V, Bruncko, D, Bunyatyan, A, Buschhorn, G, Bystritskaya, L, Campbell, AJ, Cantun Avila, KB, Cerny, K, Cerny, V, Chekelian, V, Cholewa, A, Contreras, JG, Coughlan, JA, Cozzika, G, Cvach, J, Dainton, JB, Daum, K, Deak, M, Delcourt, B, Delvax, J, De Wolf, EA, Diaconu, C, Dodonov, V, Dossanov, A, Dubak, A, Eckerlin, G, Efremenko, V, Egli, S, Eliseev, A, Elsen, E, Falkiewicz, A, Favart, L, Fedotov, A, Felst, R, Feltesse, J, Ferencei, J, Fischer, D-J, Fleischer, M, Fomenko, A, Gabathuler, E, Gayler, J, Ghazaryan, S, Glazov, A, Goerlich, L, Gogitidze, N, Gouzevitch, M, Grab, C, Grebenyuk, A, Greenshaw, T, Grell, BR, Grindhammer, G, Habib, S, Haidt, D, Helebrant, C, Henderson, RCW, Hennekemper, E, Henschel, H, Herbst, M, Herrera, G, Hildebrandt, M, Hiller, KH, Hoffmann, D, Horisberger, R, Hreus, T, Jacquet, M, Janssen, X, Jönsson, L, Jung, AW, Jung, H, Kapichine, M, Katzy, J, Kenyon, IR, Kiesling, C, Klein, M, Kleinwort, C, Kluge, T, Knutsson, A, Kogler, R, Kostka, P, Kraemer, M, Krastev, K, Kretzschmar, J, Kropivnitskaya, A, Kruger, K, Kutak, K, Landon, MPJ, Lange, W, Latovika-Medin, G, Laycock, P, Lebedev, A, Lendermann, V, Levonian, S, Li, G, Lipka, K, Liptaj, A, List, B, List, J, Loktionova, N, Lopez-Fernandez, R, Lubimov, V, Makankine, A, Malinovski, E, Marage, P, Marti, L, Martyn, H-U, Maxfield, SJ, Mehta, A, Meyer, AB, Meyer, H, Meyer, J, Mikocki, S, Milcewicz-Mika, I, Moreau, F, Morozov, A, Morris, JV, Mozer, MU, Mudrinic, M, Muller, K, Murin, P, Naumann, T, Newman, PR, Niebuhr, C, Nikiforov, A, Nikitin, D, Nowak, G, Nowak, K, Olsson, JE, Osman, S, Ozerov, D, Pahl, P, Palichik, V, Panagoulias, I, Pandurovic, M, Papadopoulou, T, Pascaud, C, Patel, GD, Perez, E, Petrukhin, A, Picuric, I, Piec, S, Pitzl, D, PlaakytAu, R, Pokorny, B, Polifka, R, Povh, B, Radescu, V, Raicevic, N, Raspiareza, A, Ravdandorj, T, Reimer, P, Rizvi, E, Robmann, P, Roosen, R, Rostovtsev, A, Rotaru, M, Tabasco, JER, Rusakov, S, Salek, D, Sankey, DPC, Sauter, M, Sauvan, E, Schmitt, S, Schoeffel, L, Schoning, A, Schultz-Coulon, H-C, Sefkow, F, Shaw-West, RN, Shtarkov, LN, Shushkevich, S, Sloan, T, Smiljanic, I, Soloviev, Y, Sopicki, P, South, D, Spaskov, V, Specka, A, Staykova, Z, Steder, M, Stella, B, Stoicea, G, Straumann, U, Sunar, D, Sykora, T, Thompson, G, Thompson, PD, Toll, T, Tomasz, F, Tran, TH, Traynor, D, Truol, P, Tsakov, I, Tseepeldorj, B, Turnau, J, Urban, K, Valkarova, A, Valle, C, Van Mechelen, P, Trevino, AV, Vazdik, Y, Volchinski, V, von den Driesch, M, Wegener, D, Wissing, C, Wunsch, E, Zaleak, J, Zhang, Z, Zhokin, A, Zimmermann, T, Zohrabyan, H & Zomer, F 2010, 'Inelastic production of J/psi mesons in photoproduction and deep inelastic scattering at HERA', European Physical Journal C. Particles and Fields, vol. 68, no. 3-4, pp. 401-420. https://doi.org/10.1140/epjc/s10052-010-1376-5

TY - JOUR

T1 - Inelastic production of J/psi mesons in photoproduction and deep inelastic scattering at HERA

AU - Aaron, F. D.

AU - Alexa, C.

AU - Andreev, V.

AU - Antunovic, B.

AU - Backovic, S.

AU - Baghdasaryan, A.

AU - Barrelet, E.

AU - Bartel, W.

AU - Begzsuren, K.

AU - Belousov, A.

AU - Bizot, J. C.

AU - Boudry, V.

AU - Bozovic-Jelisavcic, I.

AU - Bracinik, J.

AU - Brandt, G.

AU - Brinkmann, M.

AU - Brisson, V.

AU - Bruncko, D.

AU - Bunyatyan, A.

AU - Buschhorn, G.

AU - Bystritskaya, L.

AU - Campbell, A. J.

AU - Cantun Avila, K. B.

AU - Cerny, K.

AU - Cerny, V.

AU - Chekelian, V.

AU - Cholewa, A.

AU - Contreras, J. G.

AU - Coughlan, J. A.

AU - Cozzika, G.

AU - Cvach, J.

AU - Dainton, J. B.

AU - Daum, K.

AU - Deak, M.

AU - Delcourt, B.

AU - Delvax, J.

AU - De Wolf, E. A.

AU - Diaconu, C.

AU - Dodonov, V.

AU - Dossanov, A.

AU - Dubak, A.

AU - Eckerlin, G.

AU - Efremenko, V.

AU - Egli, S.

AU - Eliseev, A.

AU - Elsen, E.

AU - Falkiewicz, A.

AU - Favart, L.

AU - Fedotov, A.

AU - Felst, R.

AU - Feltesse, J.

AU - Ferencei, J.

AU - Fischer, D. -J.

AU - Fleischer, M.

AU - Fomenko, A.

AU - Gabathuler, E.

AU - Gayler, J.

AU - Ghazaryan, S.

AU - Glazov, A.

AU - Goerlich, L.

AU - Gogitidze, N.

AU - Gouzevitch, M.

AU - Grab, C.

AU - Grebenyuk, A.

AU - Greenshaw, T.

AU - Grell, B. R.

AU - Grindhammer, G.

AU - Habib, S.

AU - Haidt, D.

AU - Helebrant, C.

AU - Henderson, R. C. W.

AU - Hennekemper, E.

AU - Henschel, H.

AU - Herbst, M.

AU - Herrera, G.

AU - Hildebrandt, M.

AU - Hiller, K. H.

AU - Hoffmann, D.

AU - Horisberger, R.

AU - Hreus, T.

AU - Jacquet, M.

AU - Janssen, X.

AU - Jönsson, Leif

AU - Jung, A. W.

AU - Jung, H.

AU - Kapichine, M.

AU - Katzy, J.

AU - Kenyon, I. R.

AU - Kiesling, C.

AU - Klein, M.

AU - Kleinwort, C.

AU - Kluge, T.

AU - Knutsson, A.

AU - Kogler, R.

AU - Kostka, P.

AU - Kraemer, M.

AU - Krastev, K.

AU - Kretzschmar, J.

AU - Kropivnitskaya, A.

AU - Kruger, K.

AU - Kutak, K.

AU - Landon, M. P. J.

AU - Lange, W.

AU - Latovika-Medin, G.

AU - Laycock, P.

AU - Lebedev, A.

AU - Lendermann, V.

AU - Levonian, S.

AU - Li, G.

AU - Lipka, K.

AU - Liptaj, A.

AU - List, B.

AU - List, J.

AU - Loktionova, N.

AU - Lopez-Fernandez, R.

AU - Lubimov, V.

AU - Makankine, A.

AU - Malinovski, E.

AU - Marage, P.

AU - Marti, Ll.

AU - Martyn, H. -U.

AU - Maxfield, S. J.

AU - Mehta, A.

AU - Meyer, A. B.

AU - Meyer, H.

AU - Meyer, J.

AU - Mikocki, S.

AU - Milcewicz-Mika, I.

AU - Moreau, F.

AU - Morozov, A.

AU - Morris, J. V.

AU - Mozer, M. U.

AU - Mudrinic, M.

AU - Muller, K.

AU - Murin, P.

AU - Naumann, Th.

AU - Newman, P. R.

AU - Niebuhr, C.

AU - Nikiforov, A.

AU - Nikitin, D.

AU - Nowak, G.

AU - Nowak, K.

AU - Olsson, J. E.

AU - Osman, Sakar

AU - Ozerov, D.

AU - Pahl, P.

AU - Palichik, V.

AU - Panagoulias, I.

AU - Pandurovic, M.

AU - Papadopoulou, Th.

AU - Pascaud, C.

AU - Patel, G. D.

AU - Perez, E.

AU - Petrukhin, A.

AU - Picuric, I.

AU - Piec, S.

AU - Pitzl, D.

AU - PlaakytAu, R.

AU - Pokorny, B.

AU - Polifka, R.

AU - Povh, B.

AU - Radescu, V.

AU - Raicevic, N.

AU - Raspiareza, A.

AU - Ravdandorj, T.

AU - Reimer, P.

AU - Rizvi, E.

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PY - 2010

Y1 - 2010

N2 - A measurement is presented of inelastic photoand electroproduction of J/psi mesons in ep scattering at HERA. The data were recorded with the H1 detector in the period from 2004 to 2007. Single and double differential cross sections are determined and the helicity distributions of the J/psi mesons are analysed. The results are compared to theoretical predictions in the colour singlet model and in the framework of non- relativistic QCD. Calculations in the colour singlet model using a k(T) factorisation ansatz are able to give a good description of the data, while colour singlet model calculations to next- to- leading order in collinear factorisation underestimate the data.

AB - A measurement is presented of inelastic photoand electroproduction of J/psi mesons in ep scattering at HERA. The data were recorded with the H1 detector in the period from 2004 to 2007. Single and double differential cross sections are determined and the helicity distributions of the J/psi mesons are analysed. The results are compared to theoretical predictions in the colour singlet model and in the framework of non- relativistic QCD. Calculations in the colour singlet model using a k(T) factorisation ansatz are able to give a good description of the data, while colour singlet model calculations to next- to- leading order in collinear factorisation underestimate the data.

U2 - 10.1140/epjc/s10052-010-1376-5

DO - 10.1140/epjc/s10052-010-1376-5

M3 - Article

SN - 1434-6044

VL - 68

SP - 401

EP - 420

JO - European Physical Journal C. Particles and Fields

JF - European Physical Journal C. Particles and Fields

IS - 3-4

ER -

Inelastic production of J/psi mesons in photoproduction and deep inelastic scattering at HERA

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