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Search for leptoquark pairs decaying into nunu+jets in pp collisions at square root[s] = 1.8 TeV |
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| Authors: | 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 |
| Affiliation: | Joint Institute for Nuclear Research, Dubna, Russia. |
| Abstract: | We present the results of a search for leptoquark (LQ) pairs in (85.2+/-3.7) pb(-1) of pp* collider data collected by the D0 experiment at the Fermilab Tevatron. We observe no evidence for leptoquark production and set a limit on sigma(pp*-->LQLQ-->nunu+jets) as a function of the mass of the leptoquark (m(LQ)). Assuming the decay LQ-->nuq, we exclude scalar leptoquarks for m(LQ) < 98 GeV/c(2), and vector leptoquarks for m(LQ) < 200 GeV/c(2) and coupling which produces the minimum cross section, at a 95% confidence level. |
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