Search for excited electrons in ep collisions at HERA

Aaron, FD; Alexa, C; Andreev, V; Antunovic, B; Aplin, S; Asmone, A; Astvatsatourov, A; Bacchetta, A; Backovic, S; Baghdasaryan, A; Baranov, P; Barrelet, E; Bartel, W; Beckingham, M; Begzsuren, K; Behnke, O; Belousov, A; Berger, N; Bizot, JC; Boenig, MO; Boudry, V; Bozovic-Jelisavcic, I; Bracinik, J; Brandt, G; Brinkmann, M; Brisson, V; Bruncko, D; Bunyatyan, A; Buschhorn, G; Bystritskaya, L; Campbell, AJ; Avila, KBC; 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; 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; Gabathuler, E; Gayler, J; Ghazaryan, S; Glazov, A; Glushkov, I; Goerlich, L; Goettlich, M; Gogitidze, N; Gouzevitch, M; Grab, C; Greenshaw, T; Grell, BR; Grindhammer, G; Habib, S; Haidt, D; Hansson, M; 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; Jonsson, L; Johnson, DP; Jung, AW; Jung, H; Kapichine, M; Katzy, J; Kenyon, IR; Kiesling, C; Klein, M; Kleinwort, C; Klimkovich, T; Kluge, T; Knutsson, K; Kogler, R; Korbel, V; Kostka, P; Kraemer, M; Krastev, K; Kretzschmar, J; Kropivnitskaya, A; Kruger, K; Kutak, K; Landon, MPJ; Langen, W; Lastovicka-Medin, G; Laycock, P; Lebedev, A; Leibenguth, G; Lendermann, V; Levonian, S; Li, G; 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; Moreau, F; Morozov, A; Morris, JV; Mozer, MU; Mudrinic, M; Muller, K; Murin, 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; Pejchal, O; Peng, H; Perez, E; Petrukhin, A; Picuric, I; Piec, S; Pitzl, D; Placakyte, R; Polifka, R; Povh, B; Preda, T; Radescu, V; Rahmat, AJ; Raicevic, N; Raspiareza, A; Ravdandorj, T; Reimer, P; Rizvi, E; Robmann, P; Roland, B; Roosen, R; Rostovtsev, A; Rotaru, M; Tabasco, JER; Rurikova, Z; Rusakov, S; Salek, D; Salvaire, F; Sankey, DPC; Sauter, M; Sauvan, E; Schmidt, S; Schmitt, S; Schmitz, C; Schoffel, L; Schoening, A; Schultz-Coulon, HC; Sefkow, F; Shaw-West, RN; Sheviakov, I; Shtarkov, LN; Shushkevich, S; Sloan, T; Smijanic, I; Smirnov, P; Soloviev, Y; Sopicki, P; South, D; Spaskov, V; Specka, A; Staykova, Z; Steder, M; Stella, B; Straumann, U; Sunar, D; Sykora, T; Tchoulakov, V; Thompson, G; Thompson, PD; Toll, T; Tomasz, F; Tran, TH; Traynor, D; Trinh, TN; Truol, P; Tsakov, I; Tseepeldorj, B; Tsurin, I; Turnau, J; Tzamariudaki, E; Urban, K; Valkarova, A; Vallee, C; Van Mechelen, P; Trevino, AV; Vazdik, Y; Vinokurova, S; Volchinski, V; Wegener, D; Wessels, M; Wissing, C; Wunsch, E; Yeganov, V; Zacek, J; Zalesak, J; Zhang, Z; Zhelezov, A; Zhokin, A; Zhu, YC; Zimmermann, T; Zohrabyan, H; Zomer, F

dc.contributor.author	Aaron, FD	en
dc.contributor.author	Alexa, C	en
dc.contributor.author	Andreev, V	en
dc.contributor.author	Antunovic, B	en
dc.contributor.author	Aplin, S	en
dc.contributor.author	Asmone, A	en
dc.contributor.author	Astvatsatourov, A	en
dc.contributor.author	Bacchetta, A	en
dc.contributor.author	Backovic, S	en
dc.contributor.author	Baghdasaryan, A	en
dc.contributor.author	Baranov, P	en
dc.contributor.author	Barrelet, E	en
dc.contributor.author	Bartel, W	en
dc.contributor.author	Beckingham, M	en
dc.contributor.author	Begzsuren, K	en
dc.contributor.author	Behnke, O	en
dc.contributor.author	Belousov, A	en
dc.contributor.author	Berger, N	en
dc.contributor.author	Bizot, JC	en
dc.contributor.author	Boenig, MO	en
dc.contributor.author	Boudry, V	en
dc.contributor.author	Bozovic-Jelisavcic, I	en
dc.contributor.author	Bracinik, J	en
dc.contributor.author	Brandt, G	en
dc.contributor.author	Brinkmann, M	en
dc.contributor.author	Brisson, V	en
dc.contributor.author	Bruncko, D	en
dc.contributor.author	Bunyatyan, A	en
dc.contributor.author	Buschhorn, G	en
dc.contributor.author	Bystritskaya, L	en
dc.contributor.author	Campbell, AJ	en
dc.contributor.author	Avila, KBC	en
dc.contributor.author	Cassol-Brunner, F	en
dc.contributor.author	Cerny, K	en
dc.contributor.author	Cerny, V	en
dc.contributor.author	Chekelian, V	en
dc.contributor.author	Cholewa, A	en
dc.contributor.author	Contreras, JG	en
dc.contributor.author	Coughlan, JA	en
dc.contributor.author	Cozzika, G	en
dc.contributor.author	Cvach, J	en
dc.contributor.author	Dainton, JB	en
dc.contributor.author	Daum, K	en
dc.contributor.author	Deak, M	en
dc.contributor.author	de Boer, Y	en
dc.contributor.author	Delcourt, B	en
dc.contributor.author	Del Degan, M	en
dc.contributor.author	Delvax, J	en
dc.contributor.author	De Roeck, A	en
dc.contributor.author	De Wolf, EA	en
dc.contributor.author	Diaconu, C	en
dc.contributor.author	Dodonov, V	en
dc.contributor.author	Dossanov, A	en
dc.contributor.author	Dubak, A	en
dc.contributor.author	Eckerlin, G	en
dc.contributor.author	Efremenko, V	en
dc.contributor.author	Egli, S	en
dc.contributor.author	Eliseev, A	en
dc.contributor.author	Elsen, E	en
dc.contributor.author	Essenov, S	en
dc.contributor.author	Falkiewicz, A	en
dc.contributor.author	Faulkner, PJW	en
dc.contributor.author	Favart, L	en
dc.contributor.author	Fedotov, A	en
dc.contributor.author	Felst, R	en
dc.contributor.author	Feltesse, J	en
dc.contributor.author	Ferencei, J	en
dc.contributor.author	Finke, L	en
dc.contributor.author	Fleischer, M	en
dc.contributor.author	Fomenko, A	en
dc.contributor.author	Gabathuler, E	en
dc.contributor.author	Gayler, J	en
dc.contributor.author	Ghazaryan, S	en
dc.contributor.author	Glazov, A	en
dc.contributor.author	Glushkov, I	en
dc.contributor.author	Goerlich, L	en
dc.contributor.author	Goettlich, M	en
dc.contributor.author	Gogitidze, N	en
dc.contributor.author	Gouzevitch, M	en
dc.contributor.author	Grab, C	en
dc.contributor.author	Greenshaw, T	en
dc.contributor.author	Grell, BR	en
dc.contributor.author	Grindhammer, G	en
dc.contributor.author	Habib, S	en
dc.contributor.author	Haidt, D	en
dc.contributor.author	Hansson, M	en
dc.contributor.author	Helebrant, C	en
dc.contributor.author	Henderson, RCW	en
dc.contributor.author	Henschel, H	en
dc.contributor.author	Herrera, G	en
dc.contributor.author	Hildebrandt, M	en
dc.contributor.author	Hiller, KH	en
dc.contributor.author	Hoffmann, D	en
dc.contributor.author	Horisberger, R	en
dc.contributor.author	Hovhannisyan, A	en
dc.contributor.author	Hreus, T	en
dc.contributor.author	Jacquet, M	en
dc.contributor.author	Janssen, ME	en
dc.contributor.author	Janssen, X	en
dc.contributor.author	Jemanov, V	en
dc.contributor.author	Jonsson, L	en
dc.contributor.author	Johnson, DP	en
dc.contributor.author	Jung, AW	en
dc.contributor.author	Jung, H	en
dc.contributor.author	Kapichine, M	en
dc.contributor.author	Katzy, J	en
dc.contributor.author	Kenyon, IR	en
dc.contributor.author	Kiesling, C	en
dc.contributor.author	Klein, M	en
dc.contributor.author	Kleinwort, C	en
dc.contributor.author	Klimkovich, T	en
dc.contributor.author	Kluge, T	en
dc.contributor.author	Knutsson, K	en
dc.contributor.author	Kogler, R	en
dc.contributor.author	Korbel, V	en
dc.contributor.author	Kostka, P	en
dc.contributor.author	Kraemer, M	en
dc.contributor.author	Krastev, K	en
dc.contributor.author	Kretzschmar, J	en
dc.contributor.author	Kropivnitskaya, A	en
dc.contributor.author	Kruger, K	en
dc.contributor.author	Kutak, K	en
dc.contributor.author	Landon, MPJ	en
dc.contributor.author	Langen, W	en
dc.contributor.author	Lastovicka-Medin, G	en
dc.contributor.author	Laycock, P	en
dc.contributor.author	Lebedev, A	en
dc.contributor.author	Leibenguth, G	en
dc.contributor.author	Lendermann, V	en
dc.contributor.author	Levonian, S	en
dc.contributor.author	Li, G	en
dc.contributor.author	Lipka, K	en
dc.contributor.author	Liptaj, A	en
dc.contributor.author	List, B	en
dc.contributor.author	List, J	en
dc.contributor.author	Loktionova, N	en
dc.contributor.author	Lopez-Fernandez, R	en
dc.contributor.author	Lubimov, V	en
dc.contributor.author	Lucaci-Timoce, AI	en
dc.contributor.author	Lytkin, L	en
dc.contributor.author	Makankine, A	en
dc.contributor.author	Malinovski, E	en
dc.contributor.author	Marage, P	en
dc.contributor.author	Marti, L	en
dc.contributor.author	Martyn, HU	en
dc.contributor.author	Maxfield, SJ	en
dc.contributor.author	Mehta, A	en
dc.contributor.author	Meier, K	en
dc.contributor.author	Meyer, AB	en
dc.contributor.author	Meyer, H	en
dc.contributor.author	Meyer, H	en
dc.contributor.author	Meyer, J	en
dc.contributor.author	Michels, V	en
dc.contributor.author	Mikocki, S	en
dc.contributor.author	Milcewicz-Mika, I	en
dc.contributor.author	Moreau, F	en
dc.contributor.author	Morozov, A	en
dc.contributor.author	Morris, JV	en
dc.contributor.author	Mozer, MU	en
dc.contributor.author	Mudrinic, M	en
dc.contributor.author	Muller, K	en
dc.contributor.author	Murin, P	en
dc.contributor.author	Nankov, K	en
dc.contributor.author	Naroska, B	en
dc.contributor.author	Naumann, T	en
dc.contributor.author	Newman, PR	en
dc.contributor.author	Niebuhr, C	en
dc.contributor.author	Nikiforov, A	en
dc.contributor.author	Nowak, G	en
dc.contributor.author	Nowak, K	en
dc.contributor.author	Nozicka, M	en
dc.contributor.author	Olivier, B	en
dc.contributor.author	Olsson, JE	en
dc.contributor.author	Osman, S	en
dc.contributor.author	Ozerov, D	en
dc.contributor.author	Palichik, V	en
dc.contributor.author	Panagoulias, I	en
dc.contributor.author	Pandurovic, M	en
dc.contributor.author	Papadopoulou, T	en
dc.contributor.author	Pascaud, C	en
dc.contributor.author	Patel, GD	en
dc.contributor.author	Pejchal, O	en
dc.contributor.author	Peng, H	en
dc.contributor.author	Perez, E	en
dc.contributor.author	Petrukhin, A	en
dc.contributor.author	Picuric, I	en
dc.contributor.author	Piec, S	en
dc.contributor.author	Pitzl, D	en
dc.contributor.author	Placakyte, R	en
dc.contributor.author	Polifka, R	en
dc.contributor.author	Povh, B	en
dc.contributor.author	Preda, T	en
dc.contributor.author	Radescu, V	en
dc.contributor.author	Rahmat, AJ	en
dc.contributor.author	Raicevic, N	en
dc.contributor.author	Raspiareza, A	en
dc.contributor.author	Ravdandorj, T	en
dc.contributor.author	Reimer, P	en
dc.contributor.author	Rizvi, E	en
dc.contributor.author	Robmann, P	en
dc.contributor.author	Roland, B	en
dc.contributor.author	Roosen, R	en
dc.contributor.author	Rostovtsev, A	en
dc.contributor.author	Rotaru, M	en
dc.contributor.author	Tabasco, JER	en
dc.contributor.author	Rurikova, Z	en
dc.contributor.author	Rusakov, S	en
dc.contributor.author	Salek, D	en
dc.contributor.author	Salvaire, F	en
dc.contributor.author	Sankey, DPC	en
dc.contributor.author	Sauter, M	en
dc.contributor.author	Sauvan, E	en
dc.contributor.author	Schmidt, S	en
dc.contributor.author	Schmitt, S	en
dc.contributor.author	Schmitz, C	en
dc.contributor.author	Schoffel, L	en
dc.contributor.author	Schoening, A	en
dc.contributor.author	Schultz-Coulon, HC	en
dc.contributor.author	Sefkow, F	en
dc.contributor.author	Shaw-West, RN	en
dc.contributor.author	Sheviakov, I	en
dc.contributor.author	Shtarkov, LN	en
dc.contributor.author	Shushkevich, S	en
dc.contributor.author	Sloan, T	en
dc.contributor.author	Smijanic, I	en
dc.contributor.author	Smirnov, P	en
dc.contributor.author	Soloviev, Y	en
dc.contributor.author	Sopicki, P	en
dc.contributor.author	South, D	en
dc.contributor.author	Spaskov, V	en
dc.contributor.author	Specka, A	en
dc.contributor.author	Staykova, Z	en
dc.contributor.author	Steder, M	en
dc.contributor.author	Stella, B	en
dc.contributor.author	Straumann, U	en
dc.contributor.author	Sunar, D	en
dc.contributor.author	Sykora, T	en
dc.contributor.author	Tchoulakov, V	en
dc.contributor.author	Thompson, G	en
dc.contributor.author	Thompson, PD	en
dc.contributor.author	Toll, T	en
dc.contributor.author	Tomasz, F	en
dc.contributor.author	Tran, TH	en
dc.contributor.author	Traynor, D	en
dc.contributor.author	Trinh, TN	en
dc.contributor.author	Truol, P	en
dc.contributor.author	Tsakov, I	en
dc.contributor.author	Tseepeldorj, B	en
dc.contributor.author	Tsurin, I	en
dc.contributor.author	Turnau, J	en
dc.contributor.author	Tzamariudaki, E	en
dc.contributor.author	Urban, K	en
dc.contributor.author	Valkarova, A	en
dc.contributor.author	Vallee, C	en
dc.contributor.author	Van Mechelen, P	en
dc.contributor.author	Trevino, AV	en
dc.contributor.author	Vazdik, Y	en
dc.contributor.author	Vinokurova, S	en
dc.contributor.author	Volchinski, V	en
dc.contributor.author	Wegener, D	en
dc.contributor.author	Wessels, M	en
dc.contributor.author	Wissing, C	en
dc.contributor.author	Wunsch, E	en
dc.contributor.author	Yeganov, V	en
dc.contributor.author	Zacek, J	en
dc.contributor.author	Zalesak, J	en
dc.contributor.author	Zhang, Z	en
dc.contributor.author	Zhelezov, A	en
dc.contributor.author	Zhokin, A	en
dc.contributor.author	Zhu, YC	en
dc.contributor.author	Zimmermann, T	en
dc.contributor.author	Zohrabyan, H	en
dc.contributor.author	Zomer, F	en
dc.date.accessioned	2014-03-01T01:57:35Z
dc.date.available	2014-03-01T01:57:35Z
dc.date.issued	2008	en
dc.identifier.issn	0370-2693	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/28445
dc.subject.classification	Physics, Multidisciplinary	en
dc.subject.other	LIQUID ARGON CALORIMETER	en
dc.subject.other	CURRENT CROSS-SECTIONS	en
dc.subject.other	HADRON-COLLISIONS	en
dc.subject.other	LEPTON PRODUCTION	en
dc.subject.other	GENERATOR	en
dc.subject.other	CALIBRATION	en
dc.subject.other	SCATTERING	en
dc.subject.other	COLLIDERS	en
dc.subject.other	FERMIONS	en
dc.subject.other	MOMENTUM	en
dc.title	Search for excited electrons in ep collisions at HERA	en
heal.type	journalArticle	en
heal.language	English	en
heal.publicationDate	2008	en
heal.abstract	A search for excited electrons is performed using the full e(+/-) p data sample collected by the HI experiment at HERA, corresponding to a total luminosity of 475 pb(-1). The electroweak decays of excited electrons e* -> e gamma, e* -> eZ and e* -> vW with subsequent hadronic or leptonic decays of the W and Z bosons are considered. No evidence for excited electron production is found. Mass dependent exclusion limits on e* production cross sections and on the ratio f/Lambda of the coupling to the compositeness scale are derived within gauge mediated models. These limits extend the excluded region compared to previous excited electron searches. The e* production via contact interactions is also addressed for the first time in ep collisions. (C) 2008 Elsevier B.V. All rights reserved.	en
heal.publisher	ELSEVIER SCIENCE BV	en
heal.journalName	PHYSICS LETTERS B	en
dc.identifier.isi	ISI:000258907600005	en
dc.identifier.volume	666	en
dc.identifier.issue	2	en
dc.identifier.spage	131	en
dc.identifier.epage	139	en