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Precise Measurement of the Top Quark Mass in the Dilepton Channel at D0

作者	Abazov, VM; Abbott, B; Acharya, BS; Adams, M; Adams, T; Alexeev, GD; Alkhazov, G; Alton, A; Alverson, G; Alves, GA; Ancu, LS; Aoki, M; Arov, M; Askew, A; Asman, B; Atramentov, O; Avila, C; BackusMayes, J; Badaud, F; Bagby, L; Baldin, B; Bandurin, DV; Banerjee, S; Barberis, E; Baringer, P; Barreto, J; Bartlett, JF; Bassler, U; Bazterra, V; Beale, S; Bean, A; Begalli, M; Begel, M; Belanger-Champagne, C; Bellantoni, L; Beri, SB; Bernardi, G; Bernhard, R; Bertram, I; Besancon, M; Beuselinck, R; Bezzubov, VA; Bhat, PC; Bhatnagar, V; Blazey, G; Blessing, S; Bloom, K; Boehnlein, A; Boline, D; Boos, EE; Borissov, G; Bose, T; Brandt, A; Brandt, O; Brock, R; Brooijmans, G; Bross, A; Brown, D; Brown, J; Bu, XB; Buehler, M; Buescher, V; Bunichev, V; Burdin, S; Burnett, TH; Buszello, CP; Calpas, B; Camacho-Perez, E; Carrasco-Lizarraga, MA; Casey, BCK; Castilla-Valdez, H; Chakrabarti, S; Chakraborty, D; Chan, KM; Chandra, A; Chen, G; Chevalier-Thery, S; Cho, DK; Cho, SW; Choi, S; Choudhary, B; Cihan

选自	期刊 PHYSICAL REVIEW LETTERS; 卷期 2011年107-8; 页码 82004-82004

关联知识点

[摘要]：We measure the top quark mass (m(t)) in p (p) over bar collisions at a center of mass energy root s = 1.96 TeV using dilepton t (t) over bar -> W(+)bW(-)b(-) -> l(+)nu(l)bl(-)(nu) over bar (l)(b) over bar events, where l denotes an electron, a muon, or a tau that decays leptonically. The data correspond to an integrated luminosity of 5.4 fb(-1) collected with the D0 detector at the Fermilab Tevatron Collider. We obtain m(t) = 174.0 +/- 1.8(stat) +/- 2.4(syst) GeV, which is in agreement with the current world average m(t) = 173.3 +/- 1.1 GeV. This is currently the most precise measurement of mt in the dilepton channel.
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