Search for R-parity violating supersymmetry via the LLE¯ couplings λ121, λ122 or λ133 in pp¯ collisions at s=1.96 TeV

• Published in: Physics letters. B 2006-07, Vol.638 (5-6), p.441-449
• Main Authors: Adams, M., Agelou, M., Alverson, G., Begel, M., Bellantoni, L., Bertram, I., Beuselinck, R., Bhat, P.C., Black, K.M., Borissov, G., Buehler, M., Burke, S., Caron, S., Cason, N.M., Chakrabarti, S., Cho, D.K., Choi, S., Clément, B., Clément, C., Coadou, Y., Denisov, S.P., Dong, H., Edwards, T., Elmsheuser, J., Elvira, V.D., Ermolov, P., Estrada, J., Evdokimov, V.N., Ferbel, T., Filthaut, F., Fox, H., Gallas, E., Gardner, J., Gelé, D., Ginther, G., Gutierrez, P., Hagopian, S., Haley, J., Hauptman, J.M., Hauser, R., Hildreth, M.D., Hoeneisen, B., Hynek, V., Johnson, M., Jonsson, P., Kalk, J.M., Kalk, J.R., Kehoe, R., Kim, H., Klima, B., Kohli, J.M., Kotcher, J., Krzywdzinski, S., Kunori, S., Kupco, A., Linnemann, J., Lobo, L., Love, P., Lynker, M., Lyon, A.L., Merritt, K.W., Michaut, M., Moulik, T., Neal, H.A., Nunnemann, T., O'Neil, D.C., Park, S.-J., Park, S.K., Pope, B.G., Quadt, A., Rani, K.J., Ratoff, P.N., Sajot, G., Santoro, A., Savage, G., Skubic, P., Slattery, P., Sonnenschein, L., Sosebee, M., Spurlock, B., Ströhmer, R., Sznajder, A., Telford, P., Titov, M., Torchiani, I., Trincaz-Duvoid, S., Tuts, P.M., Vasilyev, I.A., Vertogradov, L.S., Vlimant, J.-R., Vreeswijk, M., Wahl, H.D., Wang, L., Weerts, H., Wetstein, M., Wood, D.R., Yasuda, T., Yatsunenko, Y.A., Zhou, B., Zverev, E.G.
• Format: Article
• Language: English
• Subjects: Exact sciences and technology; Nuclear physics; Physics; Supergravity; Supersymmetric models; Supersymmetry; The physics of elementary particles and fields
• ISSN: 0370-2693; 1873-2445
• DOI: 10.1016/j.physletb.2006.05.077

A search for gaugino pair production with a trilepton signature in the framework of R-parity violating supersymmetry via the couplings λ121, λ122, or λ133 is presented. The data, corresponding to an integrated luminosity of L≈360 pb−1, were collected from April 2002 to August 2004 with the D∅ detector at the Fermilab Tevatron Collider, at a center-of-mass energy of s=1.96 TeV. This analysis considers final states with three charged leptons with the flavor combinations eeℓ, μμℓ, and eeτ (ℓ=e or μ). No evidence for supersymmetry is found and limits at the 95% confidence level are set on the gaugino pair production cross section and lower bounds on the masses of the lightest neutralino and chargino are derived in two supersymmetric models.