Determination of the integrated luminosity at HERA using elastic QED Compton events

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. De Wolf, 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, H. Jung, M. Kapichine, I. R. Kenyon, C. Kiesling, M. Klein, C. Kleinwort, T. Kluge, 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, J. E. Olsson, D. Ozerov, P. Pahl, V. Palichik, I. Panagoulias, M. Pandurovic, Th Papadopoulou, 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, 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

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Abstract

A measurement of the integrated luminosity at the ep collider HERA is presented, exploiting the elastic QED Compton process ep -> e gamma p. The electron and the photon are detected in the backward calorimeter of the H1 experiment. The integrated luminosity of the data recorded in 2003 to 2007 is determined with a precision of 2.3%. The measurement is found to be compatible with the corresponding result obtained using the Bethe-Heitler process.
Original languageEnglish
Article number2163
JournalEuropean Physical Journal C. Particles and Fields
Volume72
Issue number10
DOIs
Publication statusPublished - 2012

Subject classification (UKÄ)

  • Subatomic Physics

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