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Search for a heavy particle decaying to a top quark and a light quark in pp̄ collisions at √s=1.96TeV

Title
Search for a heavy particle decaying to a top quark and a light quark in pp̄ collisions at √s=1.96TeV
Authors
Aaltonen T.Adelman J.Alvarez Gonzalez B.Amerio S.Amidei D.Anastassov A.Annovi A.Antos J.Apollinari G.Appel J.A.Arisawa T.Artikov A.Asaadi J.Ashmanskas W.Auerbach B.Aurisano A.Azfar F.Badgett W.Bae T.Barbaro-Galtieri A.Barnes V.E.Barnett B.A.Barria P.Bartos P.Bauce M.Bedeschi F.Behari S.Bellettini G.Bellinger J.Benjamin D.Beretvas A.Bhatti A.Bisello D.Bizjak I.Bland K.R.Blumenfeld B.Bocci A.Bodek A.Bortoletto D.Boudreau J.Boveia A.Brigliadori L.Bromberg C.Brucken E.Budagov J.Budd H.S.Burkett K.Busetto G.Bussey P.Buzatu A.Calamba A.Calancha C.Camarda S.Campanelli M.Campbell M.Canelli F.Carls B.Carlsmith D.Carosi R.Carrillo S.Carron S.Casal B.Casarsa M.Castro A.Catastini P.Cauz D.Cavaliere V.Cavalli-Sforza M.Cerri A.Cerrito L.Chen Y.C.Chertok M.Chiarelli G.Chlachidze G.Chlebana F.Cho K.Chokheli D.Chung W.H.Chung Y.S.Ciocci M.A.Clark A.Clarke C.Compostella G.Convery M.E.Conway J.Corbo M.Cordelli M.Cox C.A.Cox D.J.Crescioli F.Cuevas J.Culbertson R.Dagenhart D.D'ascenzo N.Datta M.De Barbaro P.Dell'orso M.Demortier L.Deninno M.Devoto F.D'errico M.Di Canto A.Di Ruzza B.Dittmann J.R.D'onofrio M.Donati S.Dong P.Dorigo M.Dorigo T.Ebina K.Elagin A.Eppig A.Erbacher R.Errede S.Ershaidat N.Eusebi R.Farrington S.Feindt M.Fernandez J.P.Field R.Flanagan G.Forrest R.Frank M.J.Franklin M.Freeman J.C.Funakoshi Y.Furic I.Gallinaro M.Garcia J.E.Garfinkel A.F.Garosi P.Gerberich H.Gerchtein E.Giagu S.Giakoumopoulou V.Giannetti P.Gibson K.Ginsburg C.M.Giokaris N.Giromini P.Giurgiu G.Glagolev V.Glenzinski D.Gold M.Goldin D.Goldschmidt N.Golossanov A.Gomez G.Gomez-Ceballos G.Goncharov M.Gonzalez O.Gorelov I.Goshaw A.T.Goulianos K.Grinstein S.Grosso-Pilcher C.Group R.C.Guimaraes Da Costa J.Hahn S.R.Halkiadakis E.Hamaguchi A.Han J.Y.Happacher F.Hara K.Hare D.Hare M.Harr R.F.Hatakeyama K.Hays C.Heck M.Heinrich J.Herndon M.Hewamanage S.Hocker A.Hopkins W.Horn D.Hou S.Hughes R.E.Hurwitz M.Husemann U.Hussain N.Hussein M.Huston J.Introzzi G.Iori M.Ivanov A.James E.Jang D.Jayatilaka B.Jeon E.J.Jindariani S.Jones M.Joo K.K.Jun S.Y.Junk T.R.Kamon T.Karchin P.E.Kasmi A.Kato Y.Ketchum W.Keung J.Khotilovich V.Kilminster B.Kim D.H.Kim H.S.Kim J.E.Kim M.J.Kim S.B.Kim S.H.Kim Y.K.Kim Y.J.Kimura N.Kirby M.Klimenko S.Knoepfel K.Kondo K.Kong D.J.Konigsberg J.Kotwal A.V.Kreps M.Kroll J.Krop D.Kruse M.Krutelyov V.Kuhr T.Kurata M.Kwang S.Laasanen A.T.Lami S.Lammel S.Lancaster M.Lander R.L.Lannon K.Lath A.Latino G.Lecompte T.Lee E.Lee H.S.Lee J.S.Lee S.W.Leo S.Leone S.Lewis J.D.Limosani A.Lin C.-J.Lindgren M.Lipeles E.Lister A.Litvintsev D.O.Liu C.Liu H.Liu Q.Liu T.Lockwitz S.Loginov A.Lucchesi D.Lueck J.Lujan P.Lukens P.Lungu G.Lys J.Lysak R.Madrak R.Maeshima K.Maestro P.Malik S.Manca G.Manousakis-Katsikakis A.Margaroli F.Marino C.Martinez M.Mastrandrea P.Matera K.Mattson M.E.Mazzacane A.Mazzanti P.Mcfarland K.S.Mcintyre P.Mcnulty R.Mehta A.Mehtala P.Mesropian C.Miao T.Mietlicki D.Mitra A.Miyake H.Moed S.Moggi N.Mondragon M.N.Moon C.S.Moore R.Morello M.J.Morlock J.Movilla Fernandez P.Mukherjee A.Muller T.Murat P.Mussini M.Nachtman J.Nagai Y.Naganoma J.Nakano I.Napier A.Nett J.Neu C.Neubauer M.S.Nielsen J.Nodulman L.Noh S.Y.Norniella O.Oakes L.Oh S.H.Oh Y.D.Oksuzian I.Okusawa T.Orava R.Ortolan L.Pagan Griso S.Pagliarone C.Palencia E.Papadimitriou V.Paramonov A.A.Patrick J.Pauletta G.Paulini M.Paus C.Pellett D.E.Penzo A.Phillips T.J.Piacentino G.Pianori E.Pilot J.Pitts K.Plager C.Pondrom L.Poprocki S.Potamianos K.Prokoshin F.Pranko A.Ptohos F.Punzi G.Rahaman A.Ramakrishnan V.Ranjan N.Rao K.Redondo I.Renton P.Rescigno M.Riddick T.Rimondi F.Ristori L.Robson A.Rodrigo T.Rodriguez T.Rogers E.Rolli S.Roser R.Ruffini F.Ruiz A.Russ J.Rusu V.Safonov A.Sakumoto W.K.Sakurai Y.Santi L.Sato K.Saveliev V.Savoy-Navarro A.Schlabach P.Schmidt A.Schmidt E.E.Schwarz T.Scodellaro L.Scribano A.Scuri F.Seidel S.Seiya Y.Semenov A.Sforza F.Shalhout S.Z.Shears T.Shepard P.F.Shimojima M.Shochet M.Shreyber-Tecker I.Simonenko A.Sinervo P.Sliwa K.Smith J.R.Snider F.D.Soha A.Sorin V.Song H.Squillacioti P.Stancari M.St. Denis R.Stelzer B.Stelzer-Chilton O.Stentz D.Strologas J.Strycker G.L.Sudo Y.Sukhanov A.Suslov I.Takemasa K.Takeuchi Y.Tang J.Tecchio M.Teng P.K.Thom J.Thome J.Thompson G.A.Thomson E.Toback D.Tokar S.Tollefson K.Tomura T.Tonelli D.Torre S.Torretta D.Totaro P.Trovato M.Ukegawa F.Uozumi S.Varganov A.Vazquez F.Velev G.Vellidis C.Vidal M.Vila I.Vilar R.Vizan J.Vogel M.Volpi G.Wagner P.Wagner R.L.Wakisaka T.Wallny R.Wang S.M.Warburton A.Waters D.Wester W.C.Whiteson D.Wicklund A.B.Wicklund E.Wilbur S.Wick F.Williams H.H.Wilson J.S.Wilson P.Winer B.L.Wittich P.Wolbers S.Wolfe H.Wright T.Wu X.Wu Z.Yamamoto K.Yamato D.Yang T.Yang U.K.Yang Y.C.Yao W.-M.Yeh G.P.Yi K.Yoh J.Yorita K.Yoshida T.Yu G.B.Yu I.Yu S.S.Yun J.C.Zanetti A.Zeng Y.Zhou C.Zucchelli S.
Ewha Authors
이현수
SCOPUS Author ID
이현수scopusscopus
Issue Date
2012
Journal Title
Physical Review Letters
ISSN
0031-9007JCR Link
Citation
vol. 108, no. 21
Indexed
SCI; SCIE; SCOPUS scopus
Abstract
We present a search for a new heavy particle X produced in association with a top quark, pp̄→t(X→t̄q) or pp̄→t̄(X̄ →tq̄), where q stands for up quarks and down quarks. Such a particle may explain the recent anomalous measurements of top-quark forward-backward asymmetry. If the light-flavor quark (q) is reconstructed as a jet (j), this gives a t̄+j or t+j resonance in tt̄+jet events, a previously unexplored experimental signature. In a sample of events with exactly one lepton, missing transverse momentum and at least five jets, corresponding to an integrated luminosity of 8.7fb -1 collected by the CDF II detector, we find the data to be consistent with the standard model. We set cross-section upper limits on the production (pp̄→Xt or X̄t̄) at 95% confidence level from 0.61 pb to 0.02 pb for X masses ranging from 200GeV/c2 to 800GeV/c2, respectively. © 2012 American Physical Society.
DOI
10.1103/PhysRevLett.108.211805
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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