Measurement of the Top Quark Pair Production Cross Section in the All-Jets Decay Channel
Braden Keim AbbottNew York University, New York, New York 10003M. AbolinsMichigan State University, East Lansing, Michigan 48824V. AbramovInstitute for High Energy Physics, Protvino, RussiaB. S. AcharyaTata Institute of Fundamental Research, Mumbai, IndiaИ. АдамColumbia University, New York, New York 10027D. L. AdamsRice University, Houston, Texas 77005M. AdamsUniversity of Illinois at Chicago, Chicago, Illinois 60607S. AhnFermi National Accelerator Laboratory, Batavia, Illinois 60510G. A. AlvesLAFEX, Centro Brasileiro de Pesquisas F sicas, Rio de Janeiro, BrazilN. AmosUniversity of Michigan, Ann Arbor, Michigan 48109E. W. AndersonIowa State University, Ames, Iowa 50011M. M. BaarmandState University of New York, Stony Brook, New York 11794V. BabintsevInstitute for High Energy Physics, Protvino, RussiaL. BabukhadiaUniversity of Arizona, Tucson, Arizona 85721A. BadenUniversity of Maryland, College Park, Maryland 20742B. BaldinFermi National Accelerator Laboratory, Batavia, Illinois 60510S. BanerjeeTata Institute of Fundamental Research, Mumbai, IndiaJ. BantlyBrown University, Providence, Rhode Island 02912E. BarberisLawrence Berkeley National Laboratory and University of California, Berkeley, California 94720P. BaringerUniversity of Kansas, Lawrence, Kansas 66045J. F. BartlettFermi National Accelerator Laboratory, Batavia, Illinois 60510A. BelyaevMoscow State University, Moscow, RussiaS. B. BeriPanjab University, Chandigarh, IndiaI. A. BertramNorthwestern University, Evanston, Illinois 60208V. A. BezzubovInstitute for High Energy Physics, Protvino, RussiaP. C. BhatFermi National Accelerator Laboratory, Batavia, Illinois 60510V. BhatnagarPanjab University, Chandigarh, IndiaM. BhattacharjeeState University of New York, Stony Brook, New York 11794N. N. BiswasUniversity of Notre Dame, Notre Dame, Indiana 46556G. BlazeyNorthern Illinois University, DeKalb, Illinois 60115S. BlessingFlorida State University, Tallahassee, Florida 32306P. C. BloomUniversity of California, Davis, California 95616A. BoehnleinFermi National Accelerator Laboratory, Batavia, Illinois 60510N. I. BojkoInstitute for High Energy Physics, Protvino, RussiaF. BorcherdingFermi National Accelerator Laboratory, Batavia, Illinois 60510C. BoswellUniversity of California, Riverside, California 92521A. BrandtFermi National Accelerator Laboratory, Batavia, Illinois 60510R. BreedonUniversity of California, Davis, California 95616G. BriskinBrown University, Providence, Rhode Island 02912R. BrockMichigan State University, East Lansing, Michigan 48824A. BrossFermi National Accelerator Laboratory, Batavia, Illinois 60510D. BuchholzNorthwestern University, Evanston, Illinois 60208В. С. БуртовойInstitute for High Energy Physics, Protvino, RussiaJ. M. ButlerBoston University, Boston, Massachusetts 02215W. CarvalhoLAFEX, Centro Brasileiro de Pesquisas F sicas, Rio de Janeiro, BrazilD. CaseyMichigan State University, East Lansing, Michigan 48824Z. CasilumState University of New York, Stony Brook, New York 11794H. Castilla-ValdezCINVESTAV, Mexico City, MexicoD. ChakrabortyState University of New York, Stony Brook, New York 11794S. V. ChekulaevInstitute for High Energy Physics, Protvino, RussiaW. ChenState University of New York, Stony Brook, New York 11794S. ChoiSeoul National University, Seoul, KoreaS. ChopraFlorida State University, Tallahassee, Florida 32306B. C. ChoudharyUniversity of California, Riverside, California 92521J. H. ChristensonFermi National Accelerator Laboratory, Batavia, Illinois 60510M. ChungUniversity of Illinois at Chicago, Chicago, Illinois 60607D. R. ClaesUniversity of Nebraska, Lincoln, Nebraska 68588A. R. ClarkLawrence Berkeley National Laboratory and University of California, Berkeley, California 94720W. G. CobauUniversity of Maryland, College Park, Maryland 20742J. CochranUniversity of California, Riverside, California 92521L. ConeyUniversity of Notre Dame, Notre Dame, Indiana 46556W. E. CooperFermi National Accelerator Laboratory, Batavia, Illinois 60510D. CoppageUniversity of Kansas, Lawrence, Kansas 66045C. CretsingerUniversity of Rochester, Rochester, New York 14627D. Cullen-VidalBrown University, Providence, Rhode Island 02912M.A.C. CummingsNorthern Illinois University, DeKalb, Illinois 60115D. CuttsBrown University, Providence, United StatesO. I. DahlLawrence Berkeley National Laboratory and University of California, Berkeley, California 94720K. DavisUniversity of Arizona, Tucson, Arizona 85721K. DeUniversity of Texas, Arlington, Texas 76019K. Del SignoreUniversity of Michigan–Ann Arbor, Ann Arbor, United StatesM. DemarteauFermi National Accelerator Laboratory, Batavia, Illinois 60510D. DenisovFermi National Accelerator Laboratory, Batavia, United StatesS. P. DenisovInstitute for High Energy Physics, Protvino, RussiaH. T. DiehlFermi National Accelerator Laboratory, Batavia, United StatesM. DiesburgFermi National Accelerator Laboratory, Batavia, United StatesG. Di LoretoMichigan State University, East Lansing, United StatesP. DraperThe University of Texas at Arlington, Arlington, United StatesY. DucrosDAPNIA/Service de Physique des Particules, CEA, Saclay, FranceL. DudkoMoscow State University, Moscow, RussiaS. R. DugadTata Institute of Fundamental Research, Mumbai, IndiaA. DyshkantInstitute for High Energy Physics, Protvino, RussiaD. EdmundsMichigan State University, East Lansing, United StatesJ. EllisonUniversity of California, Riverside, California 92521V. D. ElviraState University of New York, Stony Brook, New York 11794R. EngelmannStony Brook University, Stony Brook, United StatesS. C. EnoUniversity of Maryland, College Park, Maryland 20742G. EppleyRice University, Houston, Texas 77005P. ErmolovLomonosov Moscow State University, Moscow, RussiaO. V. EroshinInstitute for High Energy Physics, Protvino, RussiaV. N. EvdokimovInstitute for High Energy Physics, Protvino, RussiaT. FahlandUniversity of California, Irvine, California 92697M. FatygaUniversity of Rochester, Rochester, United StatesS. FehérFermi National Accelerator Laboratory, Batavia, United StatesD. FeinUniversity of Arizona, Tucson, United StatesT. FerbelUniversity of Rochester, Rochester, United StatesH. E. FiskFermi National Accelerator Laboratory, Batavia, United StatesY. FisyakBrookhaven National Laboratory, Upton, New York 11973E. FlattumFermi National Accelerator Laboratory, Batavia, United StatesG. E. FordenUniversity of Arizona, Tucson, United States
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Annotatsiya
We present a measurement of $t\overline{t}$ production in $p\overline{p}$ collisions at $\sqrt{s}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}1.8\mathrm{TeV}$ from $110{\mathrm{pb}}^{\ensuremath{-}1}$ of data collected in the all-jets decay channel with the D0 detector at Fermilab. A neural network analysis yields a cross section of $7.1\ifmmode\pm\else\textpm\fi{}2.8(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}1.5(\mathrm{syst})\mathrm{pb}$ at a top quark mass $({m}_{t})$ of $172.1\mathrm{GeV}{/c}^{2}$. Using previous D0 measurements from dilepton and single lepton channels, the combined D0 result for the $t\overline{t}$ production cross section is $5.9\ifmmode\pm\else\textpm\fi{}1.2(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}1.1(\mathrm{syst})\mathrm{pb}$ for ${m}_{t}\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}172.1\phantom{\rule{0ex}{0ex}}\mathrm{GeV}{/c}^{2}$.
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