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Isolated electrons ...
Isolated electrons and muons in events with missing transverse momentum at HERA
- Article/chapterEnglish2003
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LIBRIS-ID:oai:lup.lub.lu.se:9a5da2f9-7c0d-42c7-a20b-ab060b0b55d5
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https://lup.lub.lu.se/record/309983URI
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https://doi.org/10.1016/S0370-2693(03)00497-0DOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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A search for events with a high-energy isolated electron or muon and missing transverse momentum has been performed at the electron-proton collider HERA using an integrated luminosity of 13.6 pb(-1) in e(-) p scattering and 104.7 pb(-1) in e(+) p scattering. Within the Standard Model such events are expected to be mainly due to W boson production with subsequent leptonic decay. In e(-) p interactions one event is observed in the electron channel and none in the muon channel, consistent with the expectation of the Standard Model. In the e(+) p data a total of 18 events are seen in the electron and muon channels compared to an expectation of 12.4 +/- 1.7 dominated by W production (9.4 +/- 1.6). Whilst the overall observed number of events is broadly in agreement with the number predicted by the Standard Model, there is-an excess of events with transverse momentum of the hadronic system greater than 25 GeV with 10 events found compared to 2.9 +/- 0.5 expected. The results are used to determine the cross-section for events with an isolated electron or muon and missing transverse momentum. (C) 2003 Published by Elsevier Science B.V.
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Andrieu, B
(author)
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Anthonis, T
(author)
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Astvatsatourov, A
(author)
-
Babaev, A
(author)
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Bahr, J
(author)
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Baranov, P
(author)
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Barrelet, E
(author)
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Bartel, W
(author)
-
Baumgartner, S
(author)
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Becker, J
(author)
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Beckingham, M
(author)
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Beglarian, A
(author)
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Behnke, O
(author)
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Belousov, A
(author)
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Berger, C
(author)
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Berndt, T
(author)
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Bizot, JC
(author)
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Bohme, J
(author)
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Boudry, V
(author)
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Bracinik, J
(author)
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Braunschweig, W
(author)
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Brisson, V
(author)
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Broker, HB
(author)
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Brown, DP
(author)
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Bruncko, D
(author)
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Busser, FW
(author)
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Bunyatyan, A
(author)
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Burrage, A
(author)
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Buschhorn, G
(author)
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Bystritskaya, L
(author)
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Campbell, AJ
(author)
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Caron, S
(author)
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Cassol-Brunner, F
(author)
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Chekelian, V
(author)
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Clarke, D
(author)
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Collard, C
(author)
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Contreras, JG
(author)
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Coppens, YR
(author)
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Coughlan, JA
(author)
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Cousinou, MC
(author)
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Cox, BE
(author)
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Cozzika, G
(author)
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Cvach, J
(author)
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Dainton, JB
(author)
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Dau, WD
(author)
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Daum, K
(author)
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Davidsson, MattiasLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)quar-mda
(author)
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Delcourt, B
(author)
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Delerue, N
(author)
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Demirchyan, R
(author)
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De Roeck, A
(author)
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De Wolf, EA
(author)
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Diaconu, C
(author)
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Dingfelder, J
(author)
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Dixon, P
(author)
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Dodonov, V
(author)
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Dowell, JD
(author)
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Dubak, A
(author)
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Duprel, C
(author)
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Eckerlin, G
(author)
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Eckstein, D
(author)
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Efremenko, V
(author)
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Egli, S
(author)
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Eichler, R
(author)
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Eisele, F
(author)
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Ellerbrock, M
(author)
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Elsen, E
(author)
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Erdmann, M
(author)
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Erdmann, W
(author)
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Faulkner, PJW
(author)
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Favart, L
(author)
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Fedotov, A
(author)
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Felst, R
(author)
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Ferencei, J
(author)
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Ferron, S
(author)
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Fleischer, M
(author)
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Fleischmann, P
(author)
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Fleming, YH
(author)
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Flucke, G
(author)
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Flugge, G
(author)
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Fomenko, A
(author)
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Foresti, I
(author)
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Formanek, J
(author)
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Franke, G
(author)
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Frising, G
(author)
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Gabathuler, E
(author)
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Gabathuler, K
(author)
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Garvey, J
(author)
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Gassner, J
(author)
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Gayler, J
(author)
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Gerhards, R
(author)
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Gerlich, C
(author)
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Ghazaryan, S
(author)
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Goerlich, L
(author)
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Gogitidze, N
(author)
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Gorbounov, S
(author)
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Grab, C
(author)
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Grabski, V
(author)
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Grassler, H
(author)
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Greenshaw, T
(author)
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Grindhammer, G
(author)
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Haidt, D
(author)
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Hajduk, L
(author)
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Haller, J
(author)
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Heinemann, B
(author)
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Heinzelmann, G
(author)
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Henderson, RCW
(author)
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Henschel, H
(author)
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Henshaw, O
(author)
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Heremans, R
(author)
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Herrera, G
(author)
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Herynek, I
(author)
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Hildebrandt, M
(author)
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Hilgers, M
(author)
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Hiller, KH
(author)
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Hladky, J
(author)
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Hoting, P
(author)
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Hoffmann, D
(author)
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Horisberger, R
(author)
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Hovhannisyan, A
(author)
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Ibbotson, M
(author)
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Issever, C
(author)
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Jacquet, M
(author)
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Jaffre, M
(author)
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Janauschek, L
(author)
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Janssen, X
(author)
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Jemanov, V
(author)
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Jönsson, LeifLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)quar-ljo
(author)
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Johnson, C
(author)
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Johnson, DP
(author)
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Jones, MAS
(author)
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Jung, HannesLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)quar-hju
(author)
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Kant, D
(author)
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Kapichine, M
(author)
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Karlsson, MartinLund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)quar-mka
(author)
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Karschnick, O
(author)
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Katzy, J
(author)
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Keil, F
(author)
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Keller, N
(author)
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Kennedy, J
(author)
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Kenyon, IR
(author)
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Kiesling, C
(author)
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Kjellberg, P
(author)
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Klein, M
(author)
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Kleinwort, C
(author)
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Kluge, T
(author)
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Knies, G
(author)
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Koblitz, B
(author)
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Kolya, SD
(author)
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Korbel, V
(author)
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Kostka, P
(author)
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Koutouev, R
(author)
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Koutov, A
(author)
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Kroseberg, J
(author)
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Kruger, K
(author)
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Kueckens, J
(author)
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Kuhr, T
(author)
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Landon, MPJ
(author)
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Lange, W
(author)
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Lastovicka, T
(author)
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Laycock, P
(author)
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Lebedev, A
(author)
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Leissner, B
(author)
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Lemrani, R
(author)
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Lendermann, V
(author)
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Levonian, S
(author)
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List, B
(author)
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Lobodzinska, E
(author)
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Lobodzinski, B
(author)
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Loktionova, N
(author)
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Lubimov, V
(author)
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Luders, S
(author)
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Luke, D
(author)
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Lytkin, L
(author)
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Malden, N
(author)
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Malinovski, E
(author)
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Mangano, S
(author)
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Marage, P
(author)
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Marks, J
(author)
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Marshall, R
(author)
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Martyn, HU
(author)
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Martyniak, J
(author)
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Maxfield, SJ
(author)
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Meer, D
(author)
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Mehta, A
(author)
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Meier, K
(author)
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Meyer, AB
(author)
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Meyer, H
(author)
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Meyer, J
(author)
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Michine, S
(author)
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Mikocki, S
(author)
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Milstead, D
(author)
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Mohrdieck, S
(author)
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Mondragon, MN
(author)
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Moreau, F
(author)
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Morozov, A
(author)
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Morris, JV
(author)
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Muller, K
(author)
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Murin, P
(author)
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Nagovizin, V
(author)
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Naroska, B
(author)
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Naumann, J
(author)
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Naumann, T
(author)
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Newman, PR
(author)
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Niebergall, F
(author)
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Niebuhr, C
(author)
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Nowak, G
(author)
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Nozicka, M
(author)
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Olivier, B
(author)
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Olsson, JE
(author)
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Ozerov, D
(author)
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Panassik, V
(author)
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Pascaud, C
(author)
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Patel, GD
(author)
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Peez, M
(author)
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Perez, E
(author)
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Petrukhin, A
(author)
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Phillips, JP
(author)
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Pitzl, D
(author)
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Poschl, R
(author)
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Potachnikova, I
(author)
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Povh, B
(author)
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Rauschenberger, J
(author)
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Reimer, P
(author)
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Reisert, B
(author)
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Risler, C
(author)
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Rizvi, E
(author)
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Robmann, P
(author)
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Roosen, R
(author)
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Rostovtsev, A
(author)
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Rusakov, S
(author)
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Rybicki, K
(author)
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Sankey, DPC
(author)
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Sauvan, E
(author)
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Schatzel, S
(author)
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Scheins, J
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Schilling, FP
(author)
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Schleper, P
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Schmidt, D
(author)
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Schmidt, D
(author)
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Schmidt, S
(author)
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Schmitt, S
(author)
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Schneider, M
(author)
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Schoeffel, L
(author)
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Schoning, A
(author)
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Schorner-Sadenius, T
(author)
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Schroder, V
(author)
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Schultz-Coulon, HC
(author)
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Schwanenberger, C
(author)
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Sedlak, K
(author)
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Sefkow, F
(author)
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Sheviakov, I
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Shtarkov, LN
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Sirois, Y
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Sloan, T
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Smirnov, P
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Soloviev, Y
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South, D
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Straumann, U
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Tchetchelnitski, S
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Turney, JE
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Tzamariudaki, E
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Uraev, A
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Urban, M
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Usik, A
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Valkar, S
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Valkarova, A
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Vallee, C
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Van Mechelen, P
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Wegener, D
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Werner, C
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Werner, N
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Wessels, M
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Wessling, B
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Winde, M
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Winter, GG
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Wissing, C
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Woehrling, EE
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Wunsch, E
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Zacek, J
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Zhang, Z
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Zomer, F
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zur Nedden, M
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In:Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics561:3-4, s. 241-2570370-2693
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Andreev, V
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Andrieu, B
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Anthonis, T
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Astvatsatourov, ...
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Babaev, A
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Baranov, P
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Fleming, YH
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Flucke, G
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Flugge, G
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Fomenko, A
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Foresti, I
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Formanek, J
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Franke, G
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Frising, G
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Gabathuler, E
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Gabathuler, K
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Garvey, J
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Gassner, J
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Gayler, J
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Gerhards, R
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Gerlich, C
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Ghazaryan, S
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Goerlich, L
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Gogitidze, N
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Gorbounov, S
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Grab, C
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Grabski, V
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Grassler, H
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Greenshaw, T
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Grindhammer, G
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Haidt, D
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Hajduk, L
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Haller, J
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Heinemann, B
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Heinzelmann, G
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Henderson, RCW
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Henschel, H
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Henshaw, O
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Heremans, R
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Herrera, G
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Herynek, I
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Hildebrandt, M
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Hilgers, M
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Hiller, KH
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Hladky, J
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Hoting, P
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Hoffmann, D
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Horisberger, R
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Hovhannisyan, A
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Ibbotson, M
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Issever, C
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Jacquet, M
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Jaffre, M
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Janauschek, L
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Janssen, X
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Jemanov, V
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Jönsson, Leif
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Johnson, C
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Johnson, DP
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Jones, MAS
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Jung, Hannes
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Kant, D
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Kapichine, M
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Karlsson, Martin
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Karschnick, O
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Katzy, J
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Keil, F
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Keller, N
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Kennedy, J
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Kenyon, IR
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Kiesling, C
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Kjellberg, P
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Klein, M
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Kleinwort, C
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Kluge, T
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Knies, G
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Koblitz, B
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Kolya, SD
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Korbel, V
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Kostka, P
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Koutouev, R
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Koutov, A
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Kroseberg, J
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Kruger, K
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Kueckens, J
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Kuhr, T
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Landon, MPJ
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Lange, W
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Lastovicka, T
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Laycock, P
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Lebedev, A
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Leissner, B
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Lemrani, R
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Lendermann, V
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Levonian, S
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List, B
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Lobodzinska, E
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Lobodzinski, B
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Loktionova, N
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Lubimov, V
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Luders, S
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Luke, D
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Lytkin, L
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Malden, N
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Malinovski, E
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Mangano, S
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Marage, P
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Marks, J
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Marshall, R
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Martyn, HU
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Martyniak, J
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Maxfield, SJ
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Robmann, P
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Roosen, R
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Rusakov, S
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Rybicki, K
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Sankey, DPC
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Sauvan, E
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Schatzel, S
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Scheins, J
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Schilling, FP
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Schleper, P
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Schmidt, D
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Schmidt, S
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Schmitt, S
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Schneider, M
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Schoeffel, L
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Schoning, A
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Schorner-Sadeniu ...
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Schroder, V
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Schultz-Coulon, ...
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Schwanenberger, ...
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Sloan, T
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Smirnov, P
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Soloviev, Y
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South, D
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Spaskov, V
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Specka, A
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Spitzer, H
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Stamen, R
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Stella, B
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Stiewe, J
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Strauch, I
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Straumann, U
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Tchetchelnitski, ...
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Thompson, G
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Thompson, PD
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Tomasz, F
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Traynor, D
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Truol, P
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Tsipolitis, G
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Tsurin, I
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Turnau, J
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Turney, JE
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Tzamariudaki, E
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Uraev, A
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Urban, M
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Usik, A
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Valkar, S
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Valkarova, A
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Vallee, C
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Van Mechelen, P
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Trevino, AV
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Vassiliev, S
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Vazdik, Y
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Veelken, C
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Vest, A
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Vichnevski, A
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Volchinski, V
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Wacker, K
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Wagner, J
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Wallny, R
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Waugh, B
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Weber, G
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Weber, R
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Wegener, D
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Werner, C
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Werner, N
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Wessels, M
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Wessling, B
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Winde, M
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Winter, GG
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Wissing, C
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Woehrling, EE
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Wunsch, E
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Wyatt, AC
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Zacek, J
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Zalesak, J
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Zhang, Z
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Zhokin, A
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Zomer, F
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zur Nedden, M
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Physics Letters. ...
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Lund University