/ Experiment-HEP arXiv:0911.0858


Events with an Isolated Lepton and Missing Transverse Momentum and Measurement of W Production at HERA


Aaron, F.D. (Bucharest U.) ; Abramowicz, H. (Munich, Max Planck Inst.) ; Abt, I. (Munich, Max Planck Inst.) ; Adamczyk, L. (AGH-UST, Cracow) ; Adamus, M. (Warsaw, Inst. Nucl. Studies) ; Aldaya Martin, M. (DESY) ; Alexa, C. (Bucharest, IFIN-HH) ; Andreev, V. (Lebedev Inst.) ; Antonelli, S. (INFN, Bologna) ; Antonioli, P. (INFN, Bologna) ; Antonov, A. (Moscow Phys. Eng. Inst.) ; Antunovic, B. (DESY) ; Arneodo, M. (INFN, Turin) ; Aushev, V. (Taras Shevchenko U.) ; Bachynska, O. (Taras Shevchenko U.) ; Backovic, S. (Montenegro U.) ; Baghdasaryan, A. (Yerevan Phys. Inst.) ; Bamberger, A. (Freiburg U.) ; Barakbaev, A.N. (IPT, Kazakstan) ; Barbagli, G. (INFN, Florence) ; Bari, G. (INFN, Bologna) ; Barreiro, F. (Madrid, Autonoma U.) ; Barrelet, E. (Paris U., VI-VII) ; Bartel, W. (DESY) ; Bartsch, D. (Bonn U.) ; Basile, M. (INFN, Bologna) ; Begzsuren, K. (Ulan Bator, Inst. Phys. Tech.) ; Behnke, O. (DESY) ; Behr, J. (DESY) ; Behrens, U. (DESY) ; Bellagamba, L. (INFN, Bologna) ; Belousov, A. (Lebedev Inst.) ; Bertolin, A. (INFN, Padua) ; Bhadra, S. (York U., Canada) ; Bindi, M. (INFN, Bologna) ; Bizot, J.C. (Orsay, LAL) ; Blohm, C. (DESY) ; Bold, T. (AGH-UST, Cracow) ; Boos, E.G. (IPT, Kazakstan) ; Borodin, M. (Taras Shevchenko U.) ; Borras, K. (DESY) ; Boscherini, D. (INFN, Bologna) ; Bot, D. (DESY) ; Boudry, V. (Ecole Polytechnique) ; Boutle, S.K. (DESY) ; Bozovic-Jelisavcic, I. (Belgrade U.) ; Bracinik, J. (Birmingham U.) ; Brandt, G. (DESY) ; Brinkmann, M. (Hamburg U.) ; Brisson, V. (Orsay, LAL) ; Brock, I. (Bonn U.) ; Brownson, E. (Wisconsin U., Madison) ; Brugnera, R. (INFN, Padua) ; Brummer, N. (Ohio State U.) ; Bruncko, D. (Kosice, IEF) ; Bruni, A. (INFN, Bologna) ; Bruni, G. (INFN, Bologna) ; Brzozowska, B. (Warsaw U.) ; Bunyatyan, A. (Yerevan Phys. Inst.) ; Buschhorn, G. (Munich, Max Planck Inst.) ; Bussey, P.J. (Glasgow U.) ; Butterworth, J.M. (University Coll. London) ; Bylsma, B. (Ohio State U.) ; Bystritskaya, L. (Moscow, ITEP) ; Caldwell, A. (Munich, Max Planck Inst.) ; Campbell, A.J. (DESY) ; Cantun Avila, K.B. (Merida, IPN) ; Capua, M. (INFN, Cosenza) ; Carlin, R. (INFN, Padua) ; Catterall, C.D. (York U., Canada) ; Cerny, K. (Charles U.) ; Cerny, V. (Comenius U.) ; Chekanov, S. (Argonne) ; Chekelian, V. (Munich, Max Planck Inst.) ; Cholewa, A. (DESY) ; Chwastowski, J. (Cracow, INP) ; Ciborowski, J. (Lodz U.) ; Ciesielski, R. (DESY) ; Cifarelli, L. (INFN, Bologna) ; Cindolo, F. (INFN, Bologna) ; Contin, A. (INFN, Bologna) ; Contreras, J.G. (Merida, IPN) ; Cooper-Sarkar, A.M. (Oxford U.) ; Coppola, N. (DESY) ; Corradi, M. (INFN, Bologna) ; Corriveau, F. (McGill U.) ; Costa, M. (INFN, Turin) ; Coughlan, J.A. (Rutherford) ; Cozzika, G. (DSM, DAPNIA, Saclay) ; Cvach, J. (Prague, Inst. Phys.) ; D'Agostini, G. (INFN, Rome) ; Dainton, J.B. (Liverpool U.) ; Dal Corso, F. (INFN, Padua) ; Daum, K. (Wuppertal U.) ; Deak, M. (DESY) ; de Favereau, J. (Louvain U., Inst. Phys. Nucl.) ; Delcourt, B. (Orsay, LAL) ; Del Degan, M. (Zurich, ETH) ; del Peso, J. (Madrid, Autonoma U.) ; Delvax, J. (Antwerp U.) ; Dementiev, R.K. (SINP, Moscow) ; De Pasquale, S. (INFN, Bologna) ; Derrick, M. (Argonne) ; Devenish, R.C.E. (Oxford U.) ; De Wolf, E.A. (Antwerp U.) ; Diaconu, C. (Marseille, CPPM) ; Dobur, D. (Freiburg U.) ; Dodonov, V. (Heidelberg, Max Planck Inst.) ; Dolgoshein, B.A. (Moscow Phys. Eng. Inst.) ; Dossanov, A. (Munich, Max Planck Inst.) ; Doyle, A.T. (Glasgow U.) ; Drugakov, V. (DESY, Zeuthen) ; Dubak, A. (Munich, Max Planck Inst.) ; Durkin, L.S. (Ohio State U.) ; Dusini, S. (INFN, Padua) ; Eckerlin, G. (DESY) ; Efremenko, V. (Moscow, ITEP) ; Egli, S. (PSI, Villigen) ; Eisenberg, Y. (Weizmann Inst.) ; Eliseev, A. (Lebedev Inst.) ; Elsen, E. (DESY) ; Ermolov , P.F. (SINP, Moscow) ; Eskreys, A. (Cracow, INP) ; Falkiewicz, A. (Cracow, INP) ; Fang, S. (DESY) ; Favart, L. (Antwerp U.) ; Fazio, S. (INFN, Cosenza) ; Fedotov, A. (Moscow, ITEP) ; Felst, R. (DESY) ; Feltesse, J. (Hamburg U.) ; Ferencei, J. (Kosice, IEF) ; Ferrando, J. (Oxford U.) ; Ferrero, M.I. (INFN, Turin) ; Figiel, J. (Cracow, INP) ; Fischer, D.J. (DESY) ; Fleischer, M. (DESY) ; Fomenko, A. (Lebedev Inst.) ; Forrest, M. (Glasgow U.) ; Foster, B. (Oxford U.) ; Fourletov, S. (Toronto U.) ; Gabathuler, E. (Liverpool U.) ; Galas, A. (Cracow, INP) ; Gallo, E. (INFN, Florence) ; Garfagnini, A. (INFN, Padua) ; Gayler, J. (DESY) ; Geiser, A. (DESY) ; Ghazaryan, S. (Yerevan Phys. Inst.) ; Gialas, I. (DESY) ; Gladilin, L.K. (SINP, Moscow) ; Gladkov, D. (Moscow Phys. Eng. Inst.) ; Glasman, C. (Madrid, Autonoma U.) ; Glazov, A. (DESY) ; Glushkov, I. (DESY, Zeuthen) ; Goerlich, L. (Cracow, INP) ; Gogitidze, N. (Lebedev Inst.) ; Golubkov, Yu.A. (SINP, Moscow) ; Gottlicher, P. (DESY) ; Gouzevitch, M. (DESY) ; Grab, C. (Zurich, ETH) ; Grabowska-Bold, I. (AGH-UST, Cracow) ; Grebenyuk, J. (DESY) ; Greenshaw, T. (Liverpool U.) ; Gregor, I. (DESY) ; Grell, B.R. (DESY) ; Grigorescu, G. (Amsterdam U.) ; Grindhammer, G. (Munich, Max Planck Inst.) ; Grzelak, G. (Warsaw U.) ; Gwenlan, C. (Oxford U.) ; Haas, T. (DESY) ; Habib, S. (Hamburg U.) ; Haidt, D. (DESY) ; Hain, W. (DESY) ; Hamatsu, R. (Tokyo Metropolitan U.) ; Hart, J.C. (Rutherford) ; Hartmann, H. (Bonn U.) ; Hartner, G. (York U., Canada) ; Helebrant, C. (DESY) ; Henderson, R.C.W. (Lancaster U.) ; Hennekemper, E. (Kirchhoff Inst. Phys.) ; Henschel, H. (DESY, Zeuthen) ; Herbst, M. (Kirchhoff Inst. Phys.) ; Herrera, G. (CINVESTAV, IPN) ; Hildebrandt, M. (PSI, Villigen) ; Hilger, E. (Bonn U.) ; Hiller, K.H. (DESY, Zeuthen) ; Hochman, D. (Weizmann Inst.) ; Hoffmann, D. (Marseille, CPPM) ; Holm, U. (Hamburg U.) ; Hori, R. (Tokyo U.) ; Horisberger, R. (PSI, Villigen) ; Horton, K. (Oxford U.) ; Hreus, T. (Kosice U.) ; Huttmann, A. (DESY) ; Iacobucci, G. (INFN, Bologna) ; Ibrahim, Z.A. (Malaya U.) ; Iga, Y. (Sagamihara Polytechnic U.) ; Ingbir, R. (Tel Aviv U.) ; Ishitsuka, M. (Tokyo Inst. Tech.) ; Jacquet, M. (Orsay, LAL) ; Jakob, H.P. (Bonn U.) ; Janssen, X. (Antwerp U.) ; Januschek, F. (DESY) ; Jimenez, M. (Madrid, Autonoma U.) ; Jones, T.W. (University Coll. London) ; Jonsson, L. (Lund U.) ; Jung, A.W. (Kirchhoff Inst. Phys.) ; Jung, H. (DESY) ; Jungst, M. (Bonn U.) ; Kadenko, I. (Taras Shevchenko U.) ; Kahle, B. (DESY) ; Kamaluddin, B. (Malaya U.) ; Kananov, S. (Tel Aviv U.) ; Kanno, T. (Tokyo Inst. Tech.) ; Kapichine, M. (Dubna, JINR) ; Karshon, U. (Weizmann Inst.) ; Karstens, F. (Freiburg U.) ; Katkov, I.I. (Moscow State U.) ; Katzy, J. (DESY) ; Kaur, M. (Panjab U.) ; Kaur, P. (Munich, Max Planck Inst.) ; Kenyon, I.R. (Birmingham U.) ; Keramidas, A. (Amsterdam U.) ; Khein, L.A. (SINP, Moscow) ; Kiesling, C. (Munich, Max Planck Inst.) ; Kim, J.Y. (Chonnam Natl. U.) ; Kisielewska, D. (AGH-UST, Cracow) ; Kitamura, S. (Tokyo Metropolitan U.) ; Klanner, R. (Hamburg U.) ; Klein, M. (Liverpool U.) ; Klein, U. (DESY) ; Kleinwort, C. (DESY) ; Kluge, T. (Liverpool U.) ; Knutsson, A. (DESY) ; Koffeman, E. (Amsterdam U.) ; Kogler, R. (Munich, Max Planck Inst.) ; Kollar, D. (Munich, Max Planck Inst.) ; Kooijman, P. (Amsterdam U.) ; Korol, Ie. (Taras Shevchenko U.) ; Korzhavina, I.A. (SINP, Moscow) ; Kostka, P. (DESY, Zeuthen) ; Kotanski, A. (Jagiellonian U.) ; Kotz, U. (DESY) ; Kowalski, H. (DESY) ; Kraemer, M. (Hamburg U.) ; Krastev, K. (DESY) ; Kretzschmar, J. (Liverpool U.) ; Kropivnitskaya, A. (Moscow, ITEP) ; Kruger, K. (Kirchhoff Inst. Phys.) ; Kulinski, P. (Warsaw U.) ; Kuprash, O. (Taras Shevchenko U.) ; Kutak, K. (DESY) ; Kuze, M. (Tokyo Inst. Tech.) ; Kuzmin, V.A. (SINP, Moscow) ; Landon, M.P.J. (Queen Mary, U. of London) ; Lange, W. (DESY, Zeuthen) ; Lastovicka-Medin, G. (Montenegro U.) ; Laycock, P. (Liverpool U.) ; Lebedev, A. (Lebedev Inst.) ; Lee, A. (Ohio State U.) ; Leibenguth, G. (Zurich, ETH) ; Lendermann, V. (Kirchhoff Inst. Phys.) ; Levchenko, B.B. (SINP, Moscow) ; Levonian, S. (DESY) ; Levy, A. (Tel Aviv U.) ; Li, G. (Orsay, LAL) ; Libov, V. (Taras Shevchenko U.) ; Limentani, S. (INFN, Padua) ; Ling, T.Y. (Ohio State U.) ; Lipka, K. (DESY) ; Liptaj, A. (Munich, Max Planck Inst.) ; Lisovyi, M. (DESY) ; List, B. (Hamburg U.) ; List, J. (DESY) ; Lobodzinska, E. (DESY) ; Lohmann, W. (DESY, Zeuthen) ; Lohr, B. (DESY) ; Lohrmann, E. (Hamburg U.) ; Loizides, J.H. (University Coll. London) ; Loktionova, N. (Lebedev Inst.) ; Long, K.R. (Imperial Coll., London) ; Longhin, A. (INFN, Padua) ; Lontkovskyi, D. (Taras Shevchenko U.) ; Lopez-Fernandez, R. (CINVESTAV, IPN) ; Lubimov, V. (Moscow, ITEP) ; Lukasik, J. (AGH-UST, Cracow) ; Lukina, O.Yu. (SINP, Moscow) ; Luzniak, P. (Lodz U.) ; Maeda, J. (Tokyo Inst. Tech.) ; Magill, S. (Argonne) ; Makankine, A. (Dubna, JINR) ; Makarenko, I. (Taras Shevchenko U.) ; Malinovski, E. (Lebedev Inst.) ; Malka, J. (Lodz U.) ; Mankel, R. (DESY) ; Marage, P. (Antwerp U.) ; Margotti, A. (INFN, Bologna) ; Marini, G. (INFN, Rome) ; Marti, Ll. (DESY) ; Martin, J.F. (Toronto U.) ; Martyn, H.U. (Aachen, Tech. Hochsch.) ; Mastroberardino, A. (INFN, Cosenza) ; Matsumoto, T. (KEK, Tsukuba) ; Mattingly, M.C.K. (Andrews U.) ; Maxfield, S.J. (Liverpool U.) ; Mehta, A. (Liverpool U.) ; Melzer-Pellmann, I.A. (DESY) ; Meyer, A.B. (DESY) ; Meyer, H. (DESY) ; Meyer, H. (Wuppertal U.) ; Meyer, J. (DESY) ; Miglioranzi, S. (DESY) ; Mikocki, S. (Cracow, INP) ; Milcewicz-Mika, I. (Cracow, INP) ; Mohamad Idris, F. (Malaya U.) ; Monaco, V. (INFN, Turin) ; Montanari, A. (DESY) ; Moreau, F. (Ecole Polytechnique) ; Morozov, A. (Dubna, JINR) ; Morris, J.D. (Bristol U.) ; Morris, J.V. (Rutherford) ; Mozer, M.U. (Antwerp U.) ; Mudrinic, M. (Belgrade U.) ; Muller, K. (Zurich U.) ; Murin, P. (Kosice U.) ; Musgrave, B. (Argonne) ; Nagano, K. (KEK, Tsukuba) ; Namsoo, T. (DESY) ; Nania, R. (INFN, Bologna) ; Naumann, Th. (DESY, Zeuthen) ; Newman, P.R. (Birmingham U.) ; Nicholass, D. (University Coll. London) ; Niebuhr, C. (DESY) ; Nigro, A. (INFN, Rome) ; Nikiforov, A. (DESY) ; Nikitin, D. (Dubna, JINR) ; Ning, Y. (Nevis Labs, Columbia U.) ; Noor, U. (York U., Canada) ; Notz, D. (DESY) ; Nowak, G. (Cracow, INP) ; Nowak, K. (Zurich U.) ; Nowak, R.J. (Warsaw U.) ; Nozicka, M. (DESY) ; Nuncio-Quiroz, A.E. (Bonn U.) ; Oh, B.Y. (Penn State U.) ; Okazaki, N. (Tokyo U.) ; Oliver, K. (Oxford U.) ; Olivier, B. (Munich, Max Planck Inst.) ; Olkiewicz, K. (Cracow, INP) ; Olsson, J.E. (DESY) ; Onishchuk, Yu. (Taras Shevchenko U.) ; Osman, S. (Lund U.) ; Ota, O. (Tokyo Metropolitan U.) ; Ozerov, D. (Moscow, ITEP) ; Palichik, V. (Dubna, JINR) ; Panagoulias, I. (Natl. Tech. U., Athens) ; Pandurovic, M. (Belgrade U.) ; Papadopoulou, Th. (Natl. Tech. U., Athens) ; Papageorgiu, K. (Aegean U., Chios) ; Parenti, A. (DESY) ; Pascaud, C. (Orsay, LAL) ; Patel, G.D. (Liverpool U.) ; Paul, E. (Bonn U.) ; Pawlak, J.M. (Warsaw U.) ; Pawlik, B. (Cracow, INP) ; Pejchal, O. (Charles U.) ; Pelfer, P.G. (INFN, Florence) ; Pellegrino, A. (Amsterdam U.) ; Perez, E. (CERN) ; Perlanski, W. (Lodz U.) ; Perrey, H. (Hamburg U.) ; Petrukhin, A. (Moscow, ITEP) ; Picuric, I. (Montenegro U.) ; Piec, S. (DESY, Zeuthen) ; Piotrzkowski, K. (Louvain U., Inst. Phys. Nucl.) ; Pitzl, D. (DESY) ; Placakyte, R. (DESY) ; Plucinski, P. (Warsaw, Inst. Nucl. Studies) ; Pokorny, B. (Hamburg U.) ; Pokrovskiy, N.S. (IPT, Kazakstan) ; Polifka, R. (Charles U.) ; Polini, A. (INFN, Bologna) ; Povh, B. (Heidelberg, Max Planck Inst.) ; Proskuryakov, A.S. (SINP, Moscow) ; Przybycien, M. (AGH-UST, Cracow) ; Radescu, V. (DESY) ; Rahmat, A.J. (Liverpool U.) ; Raicevic, N. (Montenegro U.) ; Raspiareza, A. (Munich, Max Planck Inst.) ; Raval, A. (Penn State U.) ; Ravdandorj, T. (Ulan Bator, Inst. Phys. Tech.) ; Reeder, D.D. (Wisconsin U., Madison) ; Reimer, P. (Prague, Inst. Phys.) ; Reisert, B. (Munich, Max Planck Inst.) ; Ren, Z. (Nevis Labs, Columbia U.) ; Repond, J. (Argonne) ; Ri, Y.D. (Tokyo Metropolitan U.) ; Rizvi, E. (Queen Mary, U. of London) ; Robertson, A. (Oxford U.) ; Robmann, P. (Zurich U.) ; Roland, B. (Antwerp U.) ; Roloff, P. (DESY) ; Ron, E. (Madrid, Autonoma U.) ; Roosen, R. (Antwerp U.) ; Rostovtsev, A. (Moscow, ITEP) ; Rotaru, M. (Bucharest, IFIN-HH) ; Rubinsky, I. (DESY) ; Ruiz Tabasco, J.E. (Merida, IPN) ; Rurikova, Z. (DESY) ; Rusakov, S. (Lebedev Inst.) ; Ruspa, M. (INFN, Turin) ; Sacchi, R. (INFN, Turin) ; Salek, D. (Charles U.) ; Salii, A. (Taras Shevchenko U.) ; Samson, U. (Bonn U.) ; Sankey, D.P.C. (Rutherford) ; Sartorelli, G. (INFN, Bologna) ; Sauter, M. (Zurich, ETH) ; Sauvan, E. (Marseille, CPPM) ; Savin, A.A. (Wisconsin U., Madison) ; Saxon, D.H. (Glasgow U.) ; Schioppa, M. (INFN, Cosenza) ; Schlenstedt, S. (DESY, Zeuthen) ; Schleper, P. (Hamburg U.) ; Schmidke, W.B. (Munich, Max Planck Inst.) ; Schmitt, S. (DESY) ; Schneekloth, U. (DESY) ; Schoeffel, L. (DSM, DAPNIA, Saclay) ; Schonberg, V. (Bonn U.) ; Schoning, A. (Heidelberg U.) ; Schorner-Sadenius, T. (Hamburg U.) ; Schultz-Coulon, H.C. (Kirchhoff Inst. Phys.) ; Schwartz, J. (McGill U.) ; Sciulli, F. (Nevis Labs, Columbia U.) ; Sefkow, F. (DESY) ; Shaw-West, R.N. (Birmingham U.) ; Shcheglova, L.M. (SINP, Moscow) ; Shehzadi, R. (Bonn U.) ; Shimizu, S. (Tokyo U.) ; Shtarkov, L.N. (Lebedev Inst.) ; Shushkevich, S. (Munich, Max Planck Inst.) ; Singh, I. (Munich, Max Planck Inst.) ; Skillicorn, I.O. (Glasgow U.) ; Sloan, T. (Lancaster U.) ; Slominski, W. (Jagiellonian U.) ; Smiljanic, I. (Belgrade U.) ; Smith, W.H. (Wisconsin U., Madison) ; Sola, V. (INFN, Turin) ; Solano, A. (INFN, Turin) ; Soloviev, Y. (Lebedev Inst.) ; Son, D. (Kyungpook Natl. U.) ; Sopicki, P. (Cracow, INP) ; Sorokin, Iu. (Taras Shevchenko U.) ; Sosnovtsev, V. (Moscow Phys. Eng. Inst.) ; South, D. (Dortmund U.) ; Spaskov, V. (Dubna, JINR) ; Specka, A. (Ecole Polytechnique) ; Spiridonov, A. (Moscow, ITEP) ; Stadie, H. (Hamburg U.) ; Stanco, L. (INFN, Padua) ; Staykova, Z. (DESY) ; Steder, M. (DESY) ; Stella, B. (INFN, Rome3) ; Stern, A. (Tel Aviv U.) ; Stewart, T.P. (Toronto U.) ; Stifutkin, A. (Moscow Phys. Eng. Inst.) ; Stoicea, G. (Bucharest, IFIN-HH) ; Stopa, P. (Cracow, INP) ; Straumann, U. (Zurich U.) ; Suchkov, S. (Moscow Phys. Eng. Inst.) ; Sunar, D. (Antwerp U.) ; Susinno, G. (INFN, Cosenza) ; Suszycki, L. (AGH-UST, Cracow) ; Sykora, T. (Antwerp U.) ; Sztuk, J. (Hamburg U.) ; Szuba, D. (Cracow, INP) ; Szuba, J. (AGH-UST, Cracow) ; Tapper, A.D. (Imperial Coll., London) ; Tassi, E. (Hamburg U.) ; Tchoulakov, V. (Dubna, JINR) ; Terron, J. (Madrid, Autonoma U.) ; Theedt, T. (DESY) ; Thompson, G. (Queen Mary, U. of London) ; Thompson, P.D. (Birmingham U.) ; Tiecke, H. (Amsterdam U.) ; Tokushuku, K. (Tokyo U.) ; Toll, T. (Hamburg U.) ; Tomasz, F. (Kosice, IEF) ; Tomaszewska, J. (DESY) ; Tran, T.H. (Orsay, LAL) ; Traynor, D. (Queen Mary, U. of London) ; Trinh, T.N. (Marseille, CPPM) ; Truol, P. (Zurich U.) ; Tsakov, I. (Sofiya, Inst. Nucl. Res.) ; Tseepeldorj, B. (Ulaanbaatar U.) ; Tsurugai, T. (NONE - YOKOHAMA MEIJI GAKUIN U) ; Turcato, M. (Hamburg U.) ; Turnau, J. (Cracow, INP) ; Tymieniecka, T. (Podlasie U.) ; Urban, K. (Kirchhoff Inst. Phys.) ; Uribe-Estrada, C. (Madrid, Autonoma U.) ; Valkarova, A. (Charles U.) ; Vallee, C. (Marseille, CPPM) ; Van Mechelen, P. (Antwerp U.) ; Vargas Trevino, A. (DESY) ; Vazdik, Y. (Lebedev Inst.) ; Vazquez, M. (Amsterdam U.) ; Verbytskyi, A. (Taras Shevchenko U.) ; Viazlo, V. (Taras Shevchenko U.) ; Vinokurova, S. (DESY) ; Vlasov, N.N. (Freiburg U.) ; Volchinski, V. (Yerevan Phys. Inst.) ; Volynets, O. (Taras Shevchenko U.) ; von den Driesch, M. (DESY) ; Walczak, R. (Oxford U.) ; Wan Abdullah, W.A.T. (Malaya U.) ; Wegener, D. (Dortmund U.) ; Whitmore, J.J. (Penn State U.) ; Whyte, J. (York U., Canada) ; Wiggers, L. (Amsterdam U.) ; Wing, M. (DESY) ; Wissing, Ch. (DESY) ; Wlasenko, M. (Bonn U.) ; Wolf, G. (DESY) ; Wolfe, H. (Wisconsin U., Madison) ; Wrona, K. (DESY) ; Wunsch, E. (DESY) ; Yagues-Molina, A.G. (DESY) ; Yamada, S. (KEK, Tsukuba) ; Yamazaki, Y. (KEK, Tsukuba) ; Yoshida, R. (Argonne) ; Youngman, C. (DESY) ; Zacek, J. (Charles U.) ; Zalesak, J. (Prague, Inst. Phys.) ; Zarnecki, A.F. (Warsaw U.) ; Zawiejski, L. (Cracow, INP) ; Zenaiev, O. (Taras Shevchenko U.) ; Zeuner, W. (DESY) ; Zhang, Z. (Orsay, LAL) ; Zhautykov, B.O. (IPT, Kazakstan) ; Zhokin, A. (Moscow, ITEP) ; Zhou, C. (McGill U.) ; Zichichi, A. (INFN, Bologna) ; Zimmermann, T. (Zurich, ETH) ; Zohrabyan, H. (Yerevan Phys. Inst.) ; Zolko, M. (Taras Shevchenko U.) ; Zomer, F. (Orsay, LAL) ; Zotkin, D.S. (SINP, Moscow) ; Zus, R. (Bucharest, IFIN-HH)

Published in: JHEP
Year: 2010
Vol.: 1003
Page No: 035
Pages: 19

Abstract: A search for events containing an isolated electron or muon and missing transverse momentum produced in ep collisions is performed with the H1 and ZEUS detectors at HERA. The data were taken in the period 1994-2007 and correspond to an integrated luminosity of 0.98 fb^-1. The observed event yields are in good overall agreement with the Standard Model prediction, which is dominated by single W production. In the e+p data, at large hadronic transverse momentum PtX >25 GeV, a total of 23 events are observed compared to a prediction of 14.0 \pm 1.9. The total single W boson production cross section is measured as 1.06 \pm 0.16 (stat.) \pm 0.07 (sys) pb, in agreement with an SM expectation of 1.26 \pm 0.19 pb.

Keyword(s): Lepton-Nucleon Scattering

Web-Page: http://inspirebeta.net/record/836096/files/d09-140f1a.png; http://inspirebeta.net/record/836096/files/d09-140f1b.png; http://inspirebeta.net/record/836096/files/d09-140f1c.png; http://inspirebeta.net/record/836096/files/d09-140f1d.png; http://inspirebeta.net/record/836096/files/d09-140f1e.png; http://inspirebeta.net/record/836096/files/d09-140f1f.png; http://inspirebeta.net/record/836096/files/d09-140f2a.png; http://inspirebeta.net/record/836096/files/d09-140f2b.png; http://inspirebeta.net/record/836096/files/d09-140f3.png

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