Search for R-parity violating supersymmetry in two-muon and four-jet topologies

We present results of a search for R-parity-violating decay of the neutralino chi;01, taken as the lightest supersymmetric particle, to a muon and two jets. The decay proceeds through a lepton-number violating coupling lambda(')(2jk) (j=1,2; k=1,2,3), with R-parity conservation in all other pro...

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Veröffentlicht in:	Physical review letters 2002-10, Vol.89 (17), p.171801-171801, Article 171801
Hauptverfasser:	Abazov, V M, Abbott, B, Abdesselam, A, Abolins, M, Abramov, V, Acharya, B S, Adams, D L, Adams, M, Ahmed, S N, Alexeev, G D, Alton, A, Alves, G A, Amos, N, Anderson, E W, Arnoud, Y, Avila, C, Baarmand, M M, Babintsev, V V, Babukhadia, L, Bacon, T C, Baden, A, Baldin, B, Balm, P W, Banerjee, S, Barberis, E, Baringer, P, Barreto, J, Bartlett, J F, Bassler, U, Bauer, D, Bean, A, Beaudette, F, Begel, M, Belyaev, A, Beri, S B, Bernardi, G, Bertram, I, Besson, A, Beuselinck, R, Bezzubov, V A, Bhat, P C, Bhatnagar, V, Bhattacharjee, M, Blazey, G, Blekman, F, Blessing, S, Boehnlein, A, Bojko, N I, Borcherding, F, Bos, K, Bose, T, Brandt, A, Breedon, R, Briskin, G, Brock, R, Brooijmans, G, Bross, A, Buchholz, D, Buehler, M, Buescher, V, Burtovoi, V S, Butler, J M, Canelli, F, Carvalho, W, Casey, D, Casilum, Z, Castilla-Valdez, H, Chakraborty, D, Chan, K M, Chekulaev, S V, Cho, D K, Choi, S, Chopra, S, Christenson, J H, Chung, M, Claes, D, Clark, A R, Coney, L, Connolly, B, Cooper, W E, Coppage, D, Crépé-Renaudin, S, Cummings, M A C, Cutts, D, Davis, G A, Davis, K, De, K, de Jong, S J, Del Signore, K, Demarteau, M, Demina, R, Demine, P, Denisov, D, Denisov, S P, Desai, S, Diehl, H T, Diesburg, M, Doulas, S, Ducros, Y, Dudko, L V
Format:	Artikel
Sprache:	eng
Schlagworte:	High Energy Physics - Experiment Physics
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Zusammenfassung:	We present results of a search for R-parity-violating decay of the neutralino chi;01, taken as the lightest supersymmetric particle, to a muon and two jets. The decay proceeds through a lepton-number violating coupling lambda(')(2jk) (j=1,2; k=1,2,3), with R-parity conservation in all other production and decay processes. In the absence of candidate events from 77.5+/-3.9 pb(-1) of data collected by the D0 experiment at the Fermilab Tevatron in pp collisions at sqrt[s]=1.8 TeV, and with an expected background of 0.18+/-0.03+/-0.02 events, we set limits on squark and gluino masses within the framework of the minimal low-energy supergravity-supersymmetry model.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.89.171801