Measurement of beauty photoproduction near threshold using di-electron events with the H1 detector at HERA

F. D. Aaron; C. Alexa; V. Andreev; S. Backovic; A. Baghdasaryan; S. Baghdasaryan; E. Barrelet; W. Bartel; K. Begzsuren; A. Belousov; P. Belov; J. C. Bizot; V. Boudry; I. Bozovic-Jelisavcic; J. Bracinik; G. Brandt; M. Brinkmann; V. Brisson; D. Britzger; D. Bruncko; A. Bunyatyan; A. Bylinkin; L. Bystritskaya; A. J. Campbell; K. B. Cantun Avila; F. Ceccopieri; K. Cerny; V. Cerny; V. Chekelian; J. G. Contreras; J. A. Coughlan; J. Cvach; J. B. Dainton; K. Daum; B. Delcourt; J. Delvax; E. A. DeWolf; C. Diaconu; M. Dobre; V. Dodonov; A. Dossanov; A. Dubak; G. Eckerlin; S. Egli; A. Eliseev; E. Elsen; 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; G. Grindhammer; S. Habib; D. Haidt; R. C. W. Henderson; E. Hennekemper; H. Henschel; M. Herbst; G. Herrera; M. Hildebrandt; K. H. Hiller; D. Hoffmann; R. Horisberger; T. Hreus; F. Huber; M. Jacquet; X. Janssen; Leif Jönsson; A. W. Jung; H. Jung; M. Kapichine; I. R. Kenyon; C. Kiesling; M. Klein; C. Kleinwort; R. Kogler; P. Kostka; M. Kraemer; J. Kretzschmar; K. Krueger; M. P. J. Landon; W. Lange; G. Lastovicka-Medin; P. Laycock; A. Lebedev; V. Lendermann; S. Levonian; K. Lipka; B. List; J. List; B. Lobodzinski; R. Lopez-Fernandez; V. Lubimov; E. Malinovski; 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; K. Mueller; Th. Naumann; P. R. Newman; C. Niebuhr; D. Nikitin; G. Nowak; K. Nowak; B. Olivier; J. E. Olsson; D. Ozerov; P. Pahl; V. Palichik; M. Pandurovic; C. Pascaud; G. D. Patel; E. Perez; A. Petrukhin; I. Picuric; H. Pirumov; D. Pitzl; R. Placakyte; B. Pokorny; R. Polifka; B. Povh; V. Radescu; N. Raicevic; 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. Schoening; H. -C. Schultz-Coulon; F. Sefkow; L. N. Shtarkov; S. Shushkevich; T. Sloan; Y. Soloviev; P. Sopicki; D. South; V. Spaskov; A. Specka; Z. Staykova; M. Steder; B. Stella; G. Stoicea; U. Straumann; T. Sykora; P. D. Thompson; T. H. Tran; D. Traynor; P. Truoel; I. Tsakov; B. Tseepeldorj; J. Turnau; A. Valkarova; C. Vallee; P. Van Mechelen; Y. Vazdik; D. Wegener; E. Wuensch; J. Zacek; J. Zalesak; Z. Zhang; A. Zhokin; R. Zlebcik; H. Zohrabyan; F. Zomer

doi:10.1140/epjc/s10052-012-2148-1

Measurement of beauty photoproduction near threshold using di-electron events with the H1 detector at HERA

F. D. Aaron, C. Alexa, V. Andreev, S. Backovic, A. Baghdasaryan, S. Baghdasaryan, E. Barrelet, W. Bartel, K. Begzsuren, A. Belousov, P. Belov, J. C. Bizot, V. Boudry, I. Bozovic-Jelisavcic, J. Bracinik, G. Brandt, M. Brinkmann, V. Brisson, D. Britzger, D. BrunckoA. Bunyatyan, A. Bylinkin, L. Bystritskaya, A. J. Campbell, K. B. Cantun Avila, F. Ceccopieri, K. Cerny, V. Cerny, V. Chekelian, J. G. Contreras, J. A. Coughlan, J. Cvach, J. B. Dainton, K. Daum, B. Delcourt, J. Delvax, E. A. DeWolf, C. Diaconu, M. Dobre, V. Dodonov, A. Dossanov, A. Dubak, G. Eckerlin, S. Egli, A. Eliseev, E. Elsen, 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, G. Grindhammer, S. Habib, D. Haidt, R. C. W. Henderson, E. Hennekemper, H. Henschel, M. Herbst, G. Herrera, M. Hildebrandt, K. H. Hiller, D. Hoffmann, R. Horisberger, T. Hreus, F. Huber, M. Jacquet, X. Janssen, Leif Jönsson, A. W. Jung, H. Jung, M. Kapichine, I. R. Kenyon, C. Kiesling, M. Klein, C. Kleinwort, R. Kogler, P. Kostka, M. Kraemer, J. Kretzschmar, K. Krueger, M. P. J. Landon, W. Lange, G. Lastovicka-Medin, P. Laycock, A. Lebedev, V. Lendermann, S. Levonian, K. Lipka, B. List, J. List, B. Lobodzinski, R. Lopez-Fernandez, V. Lubimov, E. Malinovski, 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, K. Mueller, Th. Naumann, P. R. Newman, C. Niebuhr, D. Nikitin, G. Nowak, K. Nowak, B. Olivier, J. E. Olsson, D. Ozerov, P. Pahl, V. Palichik, M. Pandurovic, C. Pascaud, G. D. Patel, E. Perez, A. Petrukhin, I. Picuric, H. Pirumov, D. Pitzl, R. Placakyte, B. Pokorny, R. Polifka, B. Povh, V. Radescu, N. Raicevic, 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. Schoening, H. -C. Schultz-Coulon, F. Sefkow, L. N. Shtarkov, S. Shushkevich, T. Sloan, Y. Soloviev, P. Sopicki, D. South, V. Spaskov, A. Specka, Z. Staykova, M. Steder, B. Stella, G. Stoicea, U. Straumann, T. Sykora, P. D. Thompson, T. H. Tran, D. Traynor, P. Truoel, I. Tsakov, B. Tseepeldorj, J. Turnau, A. Valkarova, C. Vallee, P. Van Mechelen, Y. Vazdik, D. Wegener, E. Wuensch, J. Zacek, J. Zalesak, Z. Zhang, A. Zhokin, R. Zlebcik, H. Zohrabyan, F. Zomer

Particle and nuclear physics

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

Abstract

The cross section for ep -> eb (b) over barX in photoproduction is measured with the H1 detector at the ep-collider HERA. The decay channel b (b) over bar -> eeX' is selected by identifying the semi-electronic decays of the b-quarks. The total production cross section is measured in the kinematic range given by the photon virtuality Q(2) <= 1 GeV2, the inelasticity 0.05 <= y <= 0.65 and the pseudorapidity of the b-quarks vertical bar eta(b)vertical bar, vertical bar eta((b) over bar)vertical bar <= 2. The differential production cross section is measured as a function of the average transverse momentum of the beauty quarks < P-T(b)> down to the threshold. The results are compared to next-to-leading-order QCD predictions.

Original language	English
Article number	2148
Journal	European Physical Journal C. Particles and Fields
Volume	72
Issue number	10
DOIs	https://doi.org/10.1140/epjc/s10052-012-2148-1
Publication status	Published - 2012

Subject classification (UKÄ)

Subatomic Physics

Access to Document

10.1140/epjc/s10052-012-2148-1

Cite this

Aaron, F. D., Alexa, C., Andreev, V., Backovic, S., Baghdasaryan, A., Baghdasaryan, S., Barrelet, E., Bartel, W., Begzsuren, K., Belousov, A., Belov, P., Bizot, J. C., Boudry, V., Bozovic-Jelisavcic, I., Bracinik, J., Brandt, G., Brinkmann, M., Brisson, V., Britzger, D., ... Zomer, F. (2012). Measurement of beauty photoproduction near threshold using di-electron events with the H1 detector at HERA. European Physical Journal C. Particles and Fields, 72(10), Article 2148. https://doi.org/10.1140/epjc/s10052-012-2148-1

@article{fe5530f4fbbb482abc54651ca4de790b,

title = "Measurement of beauty photoproduction near threshold using di-electron events with the H1 detector at HERA",

abstract = "The cross section for ep -> eb (b) over barX in photoproduction is measured with the H1 detector at the ep-collider HERA. The decay channel b (b) over bar -> eeX' is selected by identifying the semi-electronic decays of the b-quarks. The total production cross section is measured in the kinematic range given by the photon virtuality Q(2) <= 1 GeV2, the inelasticity 0.05 <= y <= 0.65 and the pseudorapidity of the b-quarks vertical bar eta(b)vertical bar, vertical bar eta((b) over bar)vertical bar <= 2. The differential production cross section is measured as a function of the average transverse momentum of the beauty quarks < P-T(b)> down to the threshold. The results are compared to next-to-leading-order QCD predictions.",

author = "Aaron, {F. D.} and C. Alexa and V. Andreev and S. Backovic and A. Baghdasaryan and S. Baghdasaryan and E. Barrelet and W. Bartel and K. Begzsuren and A. Belousov and P. Belov 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. Britzger and D. Bruncko and A. Bunyatyan and A. Bylinkin and L. Bystritskaya and Campbell, {A. J.} and {Cantun Avila}, {K. B.} and F. Ceccopieri and K. Cerny and V. Cerny and V. Chekelian and Contreras, {J. G.} and Coughlan, {J. A.} and J. Cvach and Dainton, {J. B.} and K. Daum and B. Delcourt and J. Delvax and DeWolf, {E. A.} and C. Diaconu and M. Dobre and V. Dodonov and A. Dossanov and A. Dubak and G. Eckerlin and S. Egli and A. Eliseev and E. Elsen 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 G. Grindhammer and S. Habib and D. Haidt 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 F. Huber and M. Jacquet and X. Janssen and Leif J{\"o}nsson and Jung, {A. W.} and H. Jung and M. Kapichine and Kenyon, {I. R.} and C. Kiesling and M. Klein and C. Kleinwort and R. Kogler and P. Kostka and M. Kraemer and J. Kretzschmar and K. Krueger and Landon, {M. P. J.} and W. Lange and G. Lastovicka-Medin and P. Laycock and A. Lebedev and V. Lendermann and S. Levonian and K. Lipka and B. List and J. List and B. Lobodzinski and R. Lopez-Fernandez and V. Lubimov and E. Malinovski 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 K. Mueller and Th. Naumann and Newman, {P. R.} and C. Niebuhr and D. Nikitin and G. Nowak and K. Nowak and B. Olivier and Olsson, {J. E.} and D. Ozerov and P. Pahl and V. Palichik and M. Pandurovic and C. Pascaud and Patel, {G. D.} and E. Perez and A. Petrukhin and I. Picuric and H. Pirumov and D. Pitzl and R. Placakyte and B. Pokorny and R. Polifka and B. Povh and V. Radescu and N. Raicevic and T. Ravdandorj and P. Reimer and E. Rizvi and P. Robmann and R. Roosen and A. Rostovtsev and M. Rotaru and {Ruiz Tabasco}, {J. E.} 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. Schoening and Schultz-Coulon, {H. -C.} and F. Sefkow and Shtarkov, {L. N.} and S. Shushkevich and T. Sloan 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 T. Sykora and Thompson, {P. D.} and Tran, {T. H.} and D. Traynor and P. Truoel and I. Tsakov and B. Tseepeldorj and J. Turnau and A. Valkarova and C. Vallee and {Van Mechelen}, P. and Y. Vazdik and D. Wegener and E. Wuensch and J. Zacek and J. Zalesak and Z. Zhang and A. Zhokin and R. Zlebcik and H. Zohrabyan and F. Zomer",

year = "2012",

doi = "10.1140/epjc/s10052-012-2148-1",

language = "English",

volume = "72",

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

issn = "1434-6044",

publisher = "Springer",

number = "10",

}

Aaron, FD, Alexa, C, Andreev, V, Backovic, S, Baghdasaryan, A, Baghdasaryan, S, Barrelet, E, Bartel, W, Begzsuren, K, Belousov, A, Belov, P, Bizot, JC, Boudry, V, Bozovic-Jelisavcic, I, Bracinik, J, Brandt, G, Brinkmann, M, Brisson, V, Britzger, D, Bruncko, D, Bunyatyan, A, Bylinkin, A, Bystritskaya, L, Campbell, AJ, Cantun Avila, KB, Ceccopieri, F, Cerny, K, Cerny, V, Chekelian, V, Contreras, JG, Coughlan, JA, Cvach, J, Dainton, JB, Daum, K, Delcourt, B, Delvax, J, DeWolf, EA, Diaconu, C, Dobre, M, Dodonov, V, Dossanov, A, Dubak, A, Eckerlin, G, Egli, S, Eliseev, A, Elsen, E, 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, Grindhammer, G, Habib, S, Haidt, D, Henderson, RCW, Hennekemper, E, Henschel, H, Herbst, M, Herrera, G, Hildebrandt, M, Hiller, KH, Hoffmann, D, Horisberger, R, Hreus, T, Huber, F, Jacquet, M, Janssen, X, Jönsson, L, Jung, AW, Jung, H, Kapichine, M, Kenyon, IR, Kiesling, C, Klein, M, Kleinwort, C, Kogler, R, Kostka, P, Kraemer, M, Kretzschmar, J, Krueger, K, Landon, MPJ, Lange, W, Lastovicka-Medin, G, Laycock, P, Lebedev, A, Lendermann, V, Levonian, S, Lipka, K, List, B, List, J, Lobodzinski, B, Lopez-Fernandez, R, Lubimov, V, Malinovski, E, Martyn, H-U, Maxfield, SJ, Mehta, A, Meyer, AB, Meyer, H, Meyer, J, Mikocki, S, Milcewicz-Mika, I, Moreau, F, Morozov, A, Morris, JV, Mueller, K, Naumann, T, Newman, PR, Niebuhr, C, Nikitin, D, Nowak, G, Nowak, K, Olivier, B, Olsson, JE, Ozerov, D, Pahl, P, Palichik, V, Pandurovic, M, Pascaud, C, Patel, GD, Perez, E, Petrukhin, A, Picuric, I, Pirumov, H, Pitzl, D, Placakyte, R, Pokorny, B, Polifka, R, Povh, B, Radescu, V, Raicevic, N, Ravdandorj, T, Reimer, P, Rizvi, E, Robmann, P, Roosen, R, Rostovtsev, A, Rotaru, M, Ruiz Tabasco, JE, Rusakov, S, Salek, D, Sankey, DPC, Sauter, M, Sauvan, E, Schmitt, S, Schoeffel, L, Schoening, A, Schultz-Coulon, H-C, Sefkow, F, Shtarkov, LN, Shushkevich, S, Sloan, T, Soloviev, Y, Sopicki, P, South, D, Spaskov, V, Specka, A, Staykova, Z, Steder, M, Stella, B, Stoicea, G, Straumann, U, Sykora, T, Thompson, PD, Tran, TH, Traynor, D, Truoel, P, Tsakov, I, Tseepeldorj, B, Turnau, J, Valkarova, A, Vallee, C, Van Mechelen, P, Vazdik, Y, Wegener, D, Wuensch, E, Zacek, J, Zalesak, J, Zhang, Z, Zhokin, A, Zlebcik, R, Zohrabyan, H & Zomer, F 2012, 'Measurement of beauty photoproduction near threshold using di-electron events with the H1 detector at HERA', European Physical Journal C. Particles and Fields, vol. 72, no. 10, 2148. https://doi.org/10.1140/epjc/s10052-012-2148-1

TY - JOUR

T1 - Measurement of beauty photoproduction near threshold using di-electron events with the H1 detector at HERA

AU - Aaron, F. D.

AU - Alexa, C.

AU - Andreev, V.

AU - Backovic, S.

AU - Baghdasaryan, A.

AU - Baghdasaryan, S.

AU - Barrelet, E.

AU - Bartel, W.

AU - Begzsuren, K.

AU - Belousov, A.

AU - Belov, P.

AU - Bizot, J. C.

AU - Boudry, V.

AU - Bozovic-Jelisavcic, I.

AU - Bracinik, J.

AU - Brandt, G.

AU - Brinkmann, M.

AU - Brisson, V.

AU - Britzger, D.

AU - Bruncko, D.

AU - Bunyatyan, A.

AU - Bylinkin, A.

AU - Bystritskaya, L.

AU - Campbell, A. J.

AU - Cantun Avila, K. B.

AU - Ceccopieri, F.

AU - Cerny, K.

AU - Cerny, V.

AU - Chekelian, V.

AU - Contreras, J. G.

AU - Coughlan, J. A.

AU - Cvach, J.

AU - Dainton, J. B.

AU - Daum, K.

AU - Delcourt, B.

AU - Delvax, J.

AU - DeWolf, E. A.

AU - Diaconu, C.

AU - Dobre, M.

AU - Dodonov, V.

AU - Dossanov, A.

AU - Dubak, A.

AU - Eckerlin, G.

AU - Egli, S.

AU - Eliseev, A.

AU - Elsen, E.

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 - Grindhammer, G.

AU - Habib, S.

AU - Haidt, D.

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 - Huber, F.

AU - Jacquet, M.

AU - Janssen, X.

AU - Jönsson, Leif

AU - Jung, A. W.

AU - Jung, H.

AU - Kapichine, M.

AU - Kenyon, I. R.

AU - Kiesling, C.

AU - Klein, M.

AU - Kleinwort, C.

AU - Kogler, R.

AU - Kostka, P.

AU - Kraemer, M.

AU - Kretzschmar, J.

AU - Krueger, K.

AU - Landon, M. P. J.

AU - Lange, W.

AU - Lastovicka-Medin, G.

AU - Laycock, P.

AU - Lebedev, A.

AU - Lendermann, V.

AU - Levonian, S.

AU - Lipka, K.

AU - List, B.

AU - List, J.

AU - Lobodzinski, B.

AU - Lopez-Fernandez, R.

AU - Lubimov, V.

AU - Malinovski, E.

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 - Mueller, K.

AU - Naumann, Th.

AU - Newman, P. R.

AU - Niebuhr, C.

AU - Nikitin, D.

AU - Nowak, G.

AU - Nowak, K.

AU - Olivier, B.

AU - Olsson, J. E.

AU - Ozerov, D.

AU - Pahl, P.

AU - Palichik, V.

AU - Pandurovic, M.

AU - Pascaud, C.

AU - Patel, G. D.

AU - Perez, E.

AU - Petrukhin, A.

AU - Picuric, I.

AU - Pirumov, H.

AU - Pitzl, D.

AU - Placakyte, R.

AU - Pokorny, B.

AU - Polifka, R.

AU - Povh, B.

AU - Radescu, V.

AU - Raicevic, N.

AU - Ravdandorj, T.

AU - Reimer, P.

AU - Rizvi, E.

AU - Robmann, P.

AU - Roosen, R.

AU - Rostovtsev, A.

AU - Rotaru, M.

AU - Ruiz Tabasco, J. E.

AU - Rusakov, S.

AU - Salek, D.

AU - Sankey, D. P. C.

AU - Sauter, M.

AU - Sauvan, E.

AU - Schmitt, S.

AU - Schoeffel, L.

AU - Schoening, A.

AU - Schultz-Coulon, H. -C.

AU - Sefkow, F.

AU - Shtarkov, L. N.

AU - Shushkevich, S.

AU - Sloan, T.

AU - Soloviev, Y.

AU - Sopicki, P.

AU - South, D.

AU - Spaskov, V.

AU - Specka, A.

AU - Staykova, Z.

AU - Steder, M.

AU - Stella, B.

AU - Stoicea, G.

AU - Straumann, U.

AU - Sykora, T.

AU - Thompson, P. D.

AU - Tran, T. H.

AU - Traynor, D.

AU - Truoel, P.

AU - Tsakov, I.

AU - Tseepeldorj, B.

AU - Turnau, J.

AU - Valkarova, A.

AU - Vallee, C.

AU - Van Mechelen, P.

AU - Vazdik, Y.

AU - Wegener, D.

AU - Wuensch, E.

AU - Zacek, J.

AU - Zalesak, J.

AU - Zhang, Z.

AU - Zhokin, A.

AU - Zlebcik, R.

AU - Zohrabyan, H.

AU - Zomer, F.

PY - 2012

Y1 - 2012

N2 - The cross section for ep -> eb (b) over barX in photoproduction is measured with the H1 detector at the ep-collider HERA. The decay channel b (b) over bar -> eeX' is selected by identifying the semi-electronic decays of the b-quarks. The total production cross section is measured in the kinematic range given by the photon virtuality Q(2) <= 1 GeV2, the inelasticity 0.05 <= y <= 0.65 and the pseudorapidity of the b-quarks vertical bar eta(b)vertical bar, vertical bar eta((b) over bar)vertical bar <= 2. The differential production cross section is measured as a function of the average transverse momentum of the beauty quarks < P-T(b)> down to the threshold. The results are compared to next-to-leading-order QCD predictions.

AB - The cross section for ep -> eb (b) over barX in photoproduction is measured with the H1 detector at the ep-collider HERA. The decay channel b (b) over bar -> eeX' is selected by identifying the semi-electronic decays of the b-quarks. The total production cross section is measured in the kinematic range given by the photon virtuality Q(2) <= 1 GeV2, the inelasticity 0.05 <= y <= 0.65 and the pseudorapidity of the b-quarks vertical bar eta(b)vertical bar, vertical bar eta((b) over bar)vertical bar <= 2. The differential production cross section is measured as a function of the average transverse momentum of the beauty quarks < P-T(b)> down to the threshold. The results are compared to next-to-leading-order QCD predictions.

U2 - 10.1140/epjc/s10052-012-2148-1

DO - 10.1140/epjc/s10052-012-2148-1

M3 - Article

SN - 1434-6044

VL - 72

JO - European Physical Journal C. Particles and Fields

JF - European Physical Journal C. Particles and Fields

IS - 10

M1 - 2148

ER -

Measurement of beauty photoproduction near threshold using di-electron events with the H1 detector at HERA

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