Studies Of High-Transverse Momentum Jet Substructure And Top Quarks Produced In 1.96 Tev Proton-Antiproton Collisions

T Aaltonen,R Alon,S Amerio, D Amidei, A Anastassov, A Annovi, J Antos, G Apollinari, J A Appel,T Arisawa,A Artikov,J Asaadi,W Ashmanskas, B Auerbach,A Aurisano, F Azfar,W Badgett, T Bae, A Barbarogaltieri, V E Barnes,B A Barnett,P Barria,P Bartos,M Bauce,F Bedeschi,S Behari, G Bellettini,J Bellinger,D Benjamin, A Beretvas,A Bhatti,K R Bland,B Blumenfeld, A Bocci,A Bodek,D Bortoletto,J Boudreau, A Boveia, L Brigliadori,C Bromberg,E Brucken,J Budagov,H S Budd, K Burkett,G Busetto, P Bussey,P Butti,A Buzatu,A Calamba,S Camarda,M Campanelli,F Canelli,B Carls, D Carlsmith,R Carosi,S Carrillo,B Casal,M Casarsa,A Castro, P Catastini, D Cauz,V Cavaliere,A Cerri, L Cerrito,Y C Chen, M Chertok,G Chiarelli,G Chlachidze, Kyunghyun Cho,D Chokheli,A Clark,Christopher Clarke,M E Convery,J Conway,M Corbo,M Cordelli,C A Cox,D J Cox,M Cremonesi,D Cruz,J Cuevas,R Culbertson,N Dascenzo,M Datta,P De Barbaro,L Demortier, M Deninno, M Derrico,F Devoto,A Di Canto,B Di Ruzza,J R Dittmann,S Donati,M Donofrio,M Dorigo, A Driutti, E Duchovni,K Ebina, Ryan Christopher Edgar,A Elagin

PHYSICAL REVIEW D（2015）

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摘要

Results of a study of the substructure of the highest transverse momentum (p(T)) jets observed by the CDF Collaboration are presented. Events containing at least one jet with p(T) > 400 GeV/c in a sample corresponding to an integrated luminosity of 5.95 fb(-1), collected in 1.96 TeV proton-antiproton collisions at the Fermilab Tevatron collider, are selected. A study of the jet mass, angularity, and planar-flow distributions is presented, and the measurements are compared with predictions of perturbative quantum chromodynamics. A search for boosted top-quark production is also described, leading to a 95% confidence level upper limit of 38 fb on the production cross section of top quarks with p(T) > 400 GeV/c.

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关键词

cdf,cross section,monte carlo

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