Search for new physics in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>e</mml:mi><mml:mi>μ</mml:mi><mml:mi>X</mml:mi></mml:math>data at DØ using SLEUTH: A quasi-model-independent search strategy for new physics
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, IndiaD. L. AdamsUniversity of Texas, Arlington, Texas 76019M. AdamsUniversity of Illinois at Chicago, Chicago, Illinois 60607G. 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. BabukhadiaState University of New York, Stony Brook, New York 11794A. 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 60510U. BasslerUniversité Paris 8A. BeanUniversity of Kansas, Lawrence, Kansas 66045M. BegelUniversity of Rochester, Rochester, New York 14627A. BelyaevMoscow State University, Moscow, RussiaS. B. BeriPanjab University, Chandigarh, IndiaG. BernardiLPNHE, Universite s Paris VI and VII, IN2P3-CNRS, Paris, FranceI. A. BertramLancaster University, Lancaster, United KingdomAnne BessonInstitut des Sciences Nucle aires, IN2P3-CNRS, Universite de Grenoble 1, Grenoble, FranceV. 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 11794G. BlazeyNorthern Illinois University, DeKalb, Illinois 60115S. BlessingFlorida State University, Tallahassee, Florida 32306A. BoehnleinFermi National Accelerator Laboratory, Batavia, Illinois 60510N. I. BojkoInstitute for High Energy Physics, Protvino, RussiaF. BorcherdingFermi National Accelerator Laboratory, Batavia, Illinois 60510A. BrandtUniversity of Texas, Arlington, Texas 76019R. BreedonUniversity of California, Davis, California 95616G. BriskinBrown University, Providence, Rhode Island 02912R. BrockMichigan State University, East Lansing, Michigan 48824G. BrooijmansFermi National Accelerator Laboratory, Batavia, Illinois 60510A. BrossFermi National Accelerator Laboratory, Batavia, Illinois 60510D. BuchholzNorthwestern University, Evanston, Illinois 60208M. BuehlerUniversity of Illinois at Chicago, Chicago, Illinois 60607V. BuescherUniversity of Rochester, Rochester, New York 14627В. С. БуртовойInstitute for High Energy Physics, Protvino, RussiaJ. M. ButlerUniversity of Buenos Aires, Buenos Aires, ArgentinaF. CanelliUniversity of Rochester, Rochester, New York 14627W. CarvalhoUniversidade do Estado do Rio de Janeiro, 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 11794K. M. ChanUniversity of Rochester, Rochester, New York 14627S. V. ChekulaevInstitute for High Energy Physics, Protvino, RussiaD. K. ChoUniversity of Rochester, Rochester, New York 14627S. ChoiUniversity of California, Riverside, California 92521S. ChopraBrookhaven National Laboratory, Upton, New York 11973B. 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 Buenos Aires, Buenos Aires, ArgentinaA. R. ClarkLawrence Berkeley National Laboratory and University of California, Berkeley, California 94720J. CochranUniversity of California, Riverside, California 92521L. ConeyUniversity of Notre Dame, Notre Dame, Indiana 46556B. ConnollyFlorida State University, Tallahassee, Florida 32306W. E. CooperFermi National Accelerator Laboratory, Batavia, Illinois 60510D. CoppageUniversity of Kansas, Lawrence, Kansas 66045M.A.C. CummingsNorthern Illinois University, DeKalb, Illinois 60115D. CuttsBrown University, Providence, Rhode Island 02912O. I. DahlLawrence Berkeley National Laboratory and University of California, Berkeley, California 94720G. A. DavisUniversity of Rochester, Rochester, New York 14627K. DavisUniversity of Arizona, Tucson, Arizona 85721K. DeUniversity of Texas, Arlington, Texas 76019K. Del SignoreUniversity of Buenos Aires, Buenos Aires, ArgentinaM. DemarteauFermi National Accelerator Laboratory, Batavia, Illinois 60510R. DeminaKansas State University, Manhattan, Kansas 66506P. DemineUniversity of Buenos Aires, Buenos Aires, ArgentinaD. DenisovFermi National Accelerator Laboratory, Batavia, Illinois 60510S. P. DenisovInstitute for High Energy Physics, Protvino, RussiaH. T. DiehlFermi National Accelerator Laboratory, Batavia, Illinois 60510M. DiesburgFermi National Accelerator Laboratory, Batavia, Illinois 60510G. Di LoretoUniversity of Buenos Aires, Buenos Aires, ArgentinaS. DoulasNortheastern University, Boston, Massachusetts 02115P. DraperUniversity of Texas, Arlington, Texas 76019Y. 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, Michigan 48824J. EllisonUniversity of California, Riverside, California 92521V. D. ElviraFermi National Accelerator Laboratory, Batavia, Illinois 60510R. EngelmannState University of New York, Stony Brook, New York 11794S. C. EnoUniversity of Maryland, College Park, Maryland 20742G. EppleyRice University, Houston, Texas 77005P. ErmolovMoscow State University, Moscow, RussiaO. V. EroshinInstitute for High Energy Physics, Protvino, RussiaJ. EstradaUniversity of Rochester, Rochester, New York 14627H. EvansColumbia University, New York, New York 10027В. Н. ЕвдокимовInstitute for High Energy Physics, Protvino, Russia
2000en
ABI
Аннотация
We present a quasi-model-independent search for the physics responsible for electroweak symmetry breaking. We define final states to be studied, and construct a rule that identifies a set of relevant variables for any particular final state. A new algorithm (``SLEUTH'') searches for regions of excess in those variables and quantifies the significance of any detected excess. After demonstrating the sensitivity of the method, we apply it to the semi-inclusive channel $e\ensuremath{\mu}X$ collected in 108 ${\mathrm{pb}}^{\ensuremath{-}1}$ of $p\overline{p}$ collisions at $\sqrt{s}=1.8$ TeV at the D\O{} experiment during 1992--1996 at the Fermilab Tevatron. We find no evidence of new high ${p}_{T}$ physics in this sample.
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