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Search for the pair production of scalar top quarks in the acoplanar charm jet topology in p anti-p collisions at s**(1/2) = 1.96-TeV.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>8/02/2007
<mark>Journal</mark>Physics Letters B
Issue number2-3
Number of pages9
Pages (from-to)119-127
<mark>Original language</mark>English


A search for the pair production of scalar top quarks, , has been performed in 360 pb−1 of data from collisions at a center-of-mass energy of 1.96 TeV, collected by the DØ detector at the Fermilab Tevatron collider. The decay mode considered is , where is the lightest supersymmetric particle. The topology analyzed therefore consists of a pair of acoplanar heavy-flavor jets with missing transverse energy. The data and standard model expectation are in agreement, and a 95% C.L. exclusion domain in the () plane has been determined, extending the domain excluded by previous experiments.