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Titolo:
Searches at HERA for squarks in R-parity violating supersymmetry
Autore:
Adloff, C; Andreev, V; Andrieu, B; Anthonis, T; Arkadov, V; Astvatsatourov, A; Ayyaz, I; Babaev, A; Bahr, J; Baranov, P; Barrelet, E; Bartel, W; Bassler, U; Bate, P; Beglarian, A; Behnke, O; Beier, C; Belousov, A; Benisch, T; Berger, C; Bernardi, G; Berndt, T; Bizot, JC; Boudry, V; Braunschweig, W; Brisson, V; Broker, HB; Brown, DP; Bruckner, W; Bruel, P; Bruncko, D; Burger, J; Busser, FW; Bunyatyan, A; Burkhardt, H; Burrage, A; Buschhorn, G; Campbell, AJ; Cao, J; Carli, T; Caron, S; Clarke, D; Clerbaux, B; Collard, C; Contreras, JG; Coppens, YR; Coughlan, JA; Cousinou, MC; Cox, BE; Cozzika, G; Cvach, J; Dainton, JB; Dau, WD; Daum, K; Davidsson, M; Delcourt, B; Delerue, N; Demirchyan, R; De Roeck, A; De Wolf, EA; Diaconu, C; Dingfelder, J; Dixon, P; Dodonov, V; Dowell, JD; Droutskoi, A; Dubak, A; Duprel, C; Eckerlin, G; Eckstein, D; Efremenko, V; Egli, S; Eichler, R; Eisele, F; Eisenhandler, E; Ellerbrock, M; Elsen, E; Erdmann, M; Erdmann, W; Faulkner, PJW; Favart, L; Fedotov, A; Felst, R; Ferencei, J; Ferron, S; Fleischer, M; Fleming, YH; Flugge, G; Fomenko, A; Foresti, I; Formanek, J; Foster, JM; Franke, G; Gabathuler, E; Gabathuler, K; Garvey, J; Gassner, J; Gayler, J; Gerhards, R; Gerlich, C; Ghazaryan, S; Goerlich, L; Gogitidze, N; Goldberg, M; Goodwin, C; Grab, C; Grassler, H; Greenshaw, T; Grindhammer, G; Hadig, T; Haidt, D; Hajduk, L; Haynes, WJ; Heinemann, B; Heinzelmann, G; Henderson, RCW; Hengstmann, S; Henschel, H; Heremans, R; Herrera, G; Herynek, I; Hildebrandt, M; Hilgers, M; Hiller, KH; Hladky, J; Hoting, P; Hoffmann, D; Horisberger, R; Hurling, S; Ibbotson, M; Issever, C; Jacquet, M; Jaffre, M; Janauschek, L; Jansen, DM; Janssen, X; Jemanov, V; Jonsson, L; Johnson, DP; Jones, MAS; Jung, H; Kastli, HK; Kant, D; Kapichine, M; Karlsson, M; Karschnick, O; Keil, F; Keller, N; Kennedy, J; Kenyon, IR; Kermiche, S; Kiesling, C; Kjellberg, P; Klein, M; Kleinwort, C; Knies, G; Koblitz, B; Kolya, SD; Korbel, V; Kostka, P; Kotelnikov, SK; Koutouev, R; Koutov, A; Krehbiel, H; Kroseberg, J; Kruger, K; Kupper, A; Kuhr, T; Kurca, T; Lahmann, R; Lamb, D; Landon, MPJ; Lange, W; Lastovicka, T; Laycock, P; Lebailly, E; Lebedev, A; Leissner, B; Lemrani, R; Lendermann, V; Levonian, S; Lindstroem, M; List, B; Lobodzinska, E; Lobodzinski, B; Loginov, A; Loktionova, N; Lubimov, V; Luders, S; Luke, D; Lytkin, L; Magnussen, N; Mahlke-Kruger, H; Malden, N; Malinovski, E; Malinovski, L; Maracek, R; Marage, P; Marks, J; Marshall, R; Martyn, HU; Martyniak, J; Maxfield, SJ; Meer, D; Mehta, A; Meier, K; Merkel, P; Meyer, AB; Meyer, H; Meyer, J; Meyer, PO; Mikocki, S; Milstead, D; Mkrtchyan, T; Mohr, R; Mohrdieck, S; Mondragon, MN; Moreau, F; Morozov, A; Morris, JV; Muller, K; Murin, P; Nagovizin, V; Naroska, B; Naumann, J; Naumann, T; Nellen, G; Newman, PR; Nicholls, TC; Niebergall, F; Niebuhr, C; Nix, O; Nowak, G; Nunnemann, T; Olsson, JE; Ozerov, D; Panassik, V; Pascaud, C; Patel, GD; Peez, M; Perez, E; Phillips, JP; Pitzl, D; Poschl, R; Potachnikova, I; Povh, B; Rabbertz, K; Radel, G; Rauschenberger, J; Reimer, P; Reisert, B; Reyna, D; Riess, S; Risler, C; Rizvi, E; Robmann, P; Roosen, R; Rostovtsev, A; Royon, C; Rusakov, S; Rybicki, K; Sankey, DPC; Scheins, J; Schilling, FP; Schleper, P; Schmidt, D; Schmidt, D; Schmitt, S; Schneider, M; Schoeffel, L; Schoning, A; Schorner, T; Schroder, V; Schultz-Coulon, HC; Schwanenberger, C; Sedlak, K; Sefkow, F; Shekelyan, V; Sheviakov, I; Shtarkov, LN; Sirois, Y; Sloan, T; Smirnov, P; Solochenko, V; Soloviev, Y; Spaskov, V; Specka, A; Spitzer, H; Stamen, R; Steinhart, J; Stella, B; Stellberger, A; Stiewe, J; Straumann, U; Struczinski, W; Swart, M; Tasevsky, M; Tchernyshov, V; Tchetchelnitski, S; Thompson, G; Thompson, PD; Tobien, N; Traynor, D; Truol, P; Tsipolitis, G; Tsurin, I; Turnau, J; Turney, JE; Tzamariudaki, E; Udluft, S; Usik, A; Valkar, S; Valkarova, A; Vallee, C; Van Mechelen, P; Vassiliev, S; Vazdik, Y; Vichnevski, A; Wacker, K; Wallny, R; Walter, T; Waugh, B; Weber, G; Weber, M; Wegener, D; Werner, M; Werner, N; White, G; Wiesand, S; Wilksen, T; Winde, M; Winter, GG; Wissing, C; Wobisch, M; Wollatz, H; Wunsch, E; Wyatt, AC; Zacek, J; Zalesak, J; Zhang, Z; Zhokin, A; Zomer, F; Zsembery, J; zur Nedden, M;
Indirizzi:
Berg Univ Gesamthsch Wuppertal, Fachbereich Phys, Wuppertal, Germany Berg Univ Gesamthsch Wuppertal Wuppertal Germany ys, Wuppertal, Germany Rhein Westfal TH Aachen, Inst Phys 3, D-5100 Aachen, Germany Rhein WestfalTH Aachen Aachen Germany D-5100 3, D-5100 Aachen, Germany Rhein Westfal TH Aachen, Inst Phys 1, D-5100 Aachen, Germany Rhein WestfalTH Aachen Aachen Germany D-5100 1, D-5100 Aachen, Germany CERN, Geneva, Switzerland CERN Geneva SwitzerlandCERN, Geneva, Switzerland Safarik Univ, Kosice, Slovakia Safarik Univ Kosice SlovakiaSafarik Univ, Kosice, Slovakia CINVESTAV, Dept Fis Ap, Merida, Yucatan, Mexico CINVESTAV Merida Yucatan Mexico AV, Dept Fis Ap, Merida, Yucatan, Mexico Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany Univ Karlsruhe Karlsruhe Germany D-7500 nphys, D-7500 Karlsruhe, Germany Berg Univ Gesamthsch Wuppertal, Rechenzentrum, Wuppertal, Germany Berg Univ Gesamthsch Wuppertal Wuppertal Germany um, Wuppertal, Germany Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece Natl Tech Univ Athens Athens Greece GR-15773 ys, GR-15773 Athens, Greece Univ Zurich, Inst Phys, Zurich, Switzerland Univ Zurich Zurich Switzerland v Zurich, Inst Phys, Zurich, Switzerland ETH Zurich, Inst Teilchenphys, Zurich, Switzerland ETH Zurich Zurich Switzerland h, Inst Teilchenphys, Zurich, Switzerland DESY, Zeuthen, Germany DESY Zeuthen GermanyDESY, Zeuthen, Germany Yerevan Phys Inst, Yerevan 375036, Armenia Yerevan Phys Inst Yerevan Armenia 375036 s Inst, Yerevan 375036, Armenia Berg Univ Gesamthsch Wuppertal, Fachbereich Phys, Wuppertal, Germany Berg Univ Gesamthsch Wuppertal Wuppertal Germany ys, Wuppertal, Germany Paul Scherrer Inst, Villigen, Switzerland Paul Scherrer Inst Villigen Switzerland rer Inst, Villigen, Switzerland Ist Nazl Fis Nucl, Rome, Italy Ist Nazl Fis Nucl Rome ItalyIst Nazl Fis Nucl, Rome, Italy Univ Roma Tre, Dipartimento Fis, Rome, Italy Univ Roma Tre Rome ItalyUniv Roma Tre, Dipartimento Fis, Rome, Italy Charles Univ, Fac Math & Phys, Prague, Czech Republic Charles Univ Prague Czech Republic Math & Phys, Prague, Czech Republic Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic Acad Sci Czech Republ Prague Czech Republic hys, Prague, Czech Republic Univ Paris 07, IN2P3, CNRS, Paris, France Univ Paris 07 Paris FranceUniv Paris 07, IN2P3, CNRS, Paris, France Univ Paris 06, LPNHE, Paris, France Univ Paris 06 Paris FranceUniv Paris 06, LPNHE, Paris, France Ecole Polytech, CNRS, IN2P3, LPNHE, F-91128 Palaiseau, France Ecole Polytech Palaiseau France F-91128 LPNHE, F-91128 Palaiseau, France Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France Univ Paris 11 Orsay France F-91405 RS, IN2P3, LAL, F-91405 Orsay, France Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany Max Planck Inst Phys & Astrophys Munich Germany D-80805 Munich, Germany Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany Max Planck Inst Phys & Astrophys Munich Germany D-80805 Munich, Germany PN Lebedev Phys Inst, Moscow 117924, Russia PN Lebedev Phys Inst Moscow Russia 117924 ys Inst, Moscow 117924, Russia Inst Theoret & Expt Phys, Moscow 117259, Russia Inst Theoret & Expt Phys Moscow Russia 117259 hys, Moscow 117259, Russia Univ Mediterranee, IN2P3, CNRS, CPPM, Marseille, France Univ MediterraneeMarseille France IN2P3, CNRS, CPPM, Marseille, France Univ Manchester, Dept Phys, Manchester M13 9PL, Lancs, England Univ Manchester Manchester Lancs England M13 9PL M13 9PL, Lancs, England Lund Univ, Dept Phys, Lund, Sweden Lund Univ Lund SwedenLund Univ, Dept Phys, Lund, Sweden Univ London Queen Mary & Westfield Coll, London E1 4NS, England Univ London Queen Mary & Westfield Coll London England E1 4NS S, England Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England Univ Liverpool Liverpool Merseyside England L69 3BX , Merseyside, England Univ Lancaster, Sch Phys & Chem, Lancaster, England Univ Lancaster Lancaster England r, Sch Phys & Chem, Lancaster, England Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia Slovak Acad Sci Kosice Slovakia 04353 Expt Phys, Kosice 04353, Slovakia Univ Kiel, Inst Expt & Angew Phys, Kiel, Germany Univ Kiel Kiel GermanyUniv Kiel, Inst Expt & Angew Phys, Kiel, Germany Univ Heidelberg, Kirchhoff Inst Phys, Heidelberg, Germany Univ HeidelbergHeidelberg Germany hhoff Inst Phys, Heidelberg, Germany Univ Heidelberg, Inst Phys, D-6900 Heidelberg, Germany Univ Heidelberg Heidelberg Germany D-6900 ys, D-6900 Heidelberg, Germany Max Planck Inst Kernphys, D-69117 Heidelberg, Germany Max Planck Inst Kernphys Heidelberg Germany D-69117 Heidelberg, Germany Univ Hamburg, Inst Expt Phys 2, Hamburg, Germany Univ Hamburg Hamburg Germany amburg, Inst Expt Phys 2, Hamburg, Germany DESY, D-2000 Hamburg, Germany DESY Hamburg Germany D-2000DESY, D-2000 Hamburg, Germany CEA, DSM, DAPNIA, CE Saclay, Gif Sur Yvette, France CEA Gif Sur Yvette France SM, DAPNIA, CE Saclay, Gif Sur Yvette, France Joint Inst Nucl Res, Dubna, Russia Joint Inst Nucl Res Dubna RussiaJoint Inst Nucl Res, Dubna, Russia Univ Dortmund, Inst Phys, Dortmund, Germany Univ Dortmund Dortmund Germany v Dortmund, Inst Phys, Dortmund, Germany Inst Nucl Phys, Krakow, Poland Inst Nucl Phys Krakow PolandInst Nucl Phys, Krakow, Poland Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England Rutherford Appleton Lab Didcot Oxon England OX11 0QX 1 0QX, Oxon, England Univ Instelling Antwerp, B-2610 Wilrijk, Belgium Univ Instelling Antwerp Wilrijk Belgium B-2610 , B-2610 Wilrijk, Belgium Interuniv Inst High Energies, ULB, VUB, Brussels, Belgium Interuniv Inst High Energies Brussels Belgium B, VUB, Brussels, Belgium Univ Birmingham, Sch Phys & Space Res, Birmingham B15 2TT, W Midlands, England Univ Birmingham Birmingham W Midlands England B15 2TT W Midlands, England
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL C
fascicolo: 4, volume: 20, anno: 2001,
pagine: 639 - 657
SICI:
1434-6044(200105)20:4<639:SAHFSI>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
DOUBLE-BETA-DECAY; DEEP-INELASTIC-SCATTERING; LIQUID ARGON CALORIMETER; SCALAR LEPTOQUARK PAIRS; P(P)OVER-BAR COLLISIONS; PARTON DISTRIBUTIONS; GLOBAL ANALYSIS; ROOT-S=1.8 TEV; QCD CASCADES; H1;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
59
Recensione:
Indirizzi per estratti:
Indirizzo: Adloff, C Berg Univ Gesamthsch Wuppertal, Fachbereich Phys, Wuppertal, Germany Berg Univ Gesamthsch Wuppertal Wuppertal Germany tal, Germany
Citazione:
C. Adloff et al., "Searches at HERA for squarks in R-parity violating supersymmetry", EUR PHY J C, 20(4), 2001, pp. 639-657

Abstract

A search for squarks in R-parity violating supersymmetry is performed in e(+)p collisions at HERA at a centre of mass energy of 300 GeV, using HI data corresponding to an integrated luminosity of 37 pb(-1). The direct production of single squarks of any generation in positron-quark fusion via a Yukawa coupling lambda' is considered, taking into account R-parity violating and conserving decays of the squarks. No significant deviation from the Standard Model expectation is found. The results are interpreted in terms of constraints within the minimal Supersymmetric Standard Model (MSSM), the constrained MSSM and the minimal Supergravity model, and their sensitivity to the model parameters is studied in detail. For a Yukawa coupling of electromagnetic strength, squark masses below 260 GeV are excluded at 95% confidence level in a large part of the parameter space. For a 100 times smaller coupling strength masses up to 182 GeV are excluded.

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Documento generato il 04/04/20 alle ore 08:39:06