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Search for the doubly heavy baryon Ξ_(bc)^(+)→ decaying to J/ψΞ_(c)^(+)
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作者 R.Aaij A.S.W.Abdelmotteleb +1013 位作者 c.Abellan Beteta F.Abudinén T.Ackernley B.Adeva M.Adinolfi H.Afsharnia c.Agapopoulou c.A.Aidala S.Aiola Z.Ajaltouni S.Akar K.Akiba J.Albrecht F.Alessio M.Alexander A.Alfonso Albero Z.Aliouche P.Alvarez cartelle S.Amato J.L.Amey Y.Amhis L.An L.Anderlini M.Andersson A.Andreianov M.Andreotti D.Andreou D.Ao F.Archilli A.Artamonov M.Artuso E.Aslanides M.Atzeni B.Audurier S.Bachmann M.Bachmayer J.J.Back A.Bailly-reyre P.Baladron Rodriguez V.Balagura W.Baldini J.Baptista de Souza Leite M.Barbetti R.J.Barlow S.Barsuk W.Barter M.Bartolini F.Baryshnikov J.M.Basels g.Bassi B.Batsukh A.Battig A.Bay A.Beck M.Becker F.Bedeschi I.B.Bediaga A.Beiter V.belavin S.belin V.bellee K.belous I.belov I.belyaev g.Bencivenni E.Ben-Haim A.Berezhnoy R.Bernet D.Berninghoff H.c.Bernstein c.Bertella A.Bertolin c.Betanc.urt F.Betti Ia.Bezshyiko S.Bhasin J.Bhom L.Bian M.S.Bieker N.V.Biesuz S.Bifani P.Billoir A.Biolchini M.Birch F.c.R.Bishop A.Bitadze A.Bizzeti M.P.Blago T.Blake F.Blanc S.Blusk D.Bobulska J.A.Boelhauve O.Boente garcia T.Boettcher A.Boldyrev N.Bondar S.Borghi M.Borsato J.T.Borsuk S.A.Bouchiba T.J.V.Bowcock A.Boyer c.Bozzi M.J.Bradley S.Braun A.Brea Rodriguez J.Brodzicka A.Brossa gonzalo D.Brundu A.Buonaura L.Buonincontri A.T.Burke c.Burr A.Bursche A.Butkevich J.S.Butter J.Buytaert W.Byczynski S.cadeddu H.cai R.calabrese L.calefice S.cali R.calladine M.calvi M.calvo gomez P.camargo Magalhaes P.campana D.H.campora Perez A.F.campoverde Quezada S.capelli L.capriotti A.carbone g.carboni R.cardinale A.cardini I.carli P.carniti L.carus A.casais Vidal R.caspary g.casse M.cattaneo g.cavallero V.cavallini S.celani J.cerasoli D.cervenkov A.J.chadwick M.g.chapman M.charles Ph.charpentier c.A.c.avez Barajas M.chefdeville c.c.en S.chen A.chernov S.chernyshenko V.chobanova S.cholak M.chrzaszcz A.chubykin V.chulikov P.ciambrone M.F.cicala X.cid Vidal g.ciezarek g.ciullo P.E.L.clarke M.clemencic H.V.cliff J.closier J.L.cobbledick V.coco J.A.B.coelho J.cogan E.cogneras L.cojocariu P.collins T.colombo L.congedo A.contu N.cooke g.coombs I.corredoira g.corti B.couturier D.c.c.aik J.crkovská M.cruz Torres R.currie c.L.Da Silva S.Dadabaev L.Dai E.Dall'Occo J.Dalseno c.D'Ambrosio A.Danilina P.d'Argent J.E.Davies A.Davis O.De Aguiar Francisco J.de Boer K.De Bruyn S.De capua M.De cian U.De Freitas carneiro Da graca E.De Lucia J.M.De Miranda L.De Paula M.De Serio D.De Simone P.De Simone F.De Vellis J.A.de Vries c.T.Dean F.Debernardis D.Decamp V.Dedu L.Del Buono B.Delaney H.-P.Dembinski V.Denysenko O.Deschamps F.Dettori B.Dey A.Di cicco P.Di Nezza S.Didenko L.Dieste Maronas S.Ding V.Dobishuk A.Dolmatov c.Dong A.M.Donohoe F.Dordei A.c.dos Reis L.Douglas A.g.Downes M.W.Dudek L.Dufour V.Duk P.Durante J.M.Durham D.Dutta A.Dziurda A.Dzyuba S.Easo U.Egede V.Egorychev S.Eidelman S.Eisenhardt S.Ek-In L.Eklund S.Ely A.Ene E.Epple S.Escher J.Eschle S.Esen T.Evans L.N.Falcao Y.Fan B.Fang S.Farry D.Fazzini M.Feo A.D.Fernez F.Ferrari L.Ferreira Lopes F.Ferreira Rodrigues S.Ferreres Sole M.Ferrillo M.Ferro-Luzzi S.Filippov R.A.Fini M.Fiorini M.Firlej K.M.Fischer D.S.Fitzgerald c.Fitzpatric. T.Fiutowski F.Fleuret M.Fontana F.Fontanelli R.Forty D.Foulds-Holt V.Franco Lima M.Franco Sevilla M.Frank E.Franzoso g.Frau c.Frei D.A.Friday J.Fu Q.Fuehring E.gabriel g.galati A.gallas Torreira D.galli S.gambetta Y.gan M.gandelman P.gandini Y.gao M.garau L.M.garcia Martin P.garcia Moreno J.garcía Pardiäas B.garcia Plana F.A.garcia Rosales L.garrido c.gaspar R.E.geertsema D.gerick L.L.gerken E.gersabeck M.gersabeck T.gershon L.giambastiani V.gibson H.K.giemza A.L.gilman M.giovannetti A.gioventù P.gironella.gironell c.giugliano M.A.giza K.gizdov E.L.gko.gkousis V.V.gl.gorov c.gäbel E.golobardes D.golubkov A.golutvin A.gomes S.gomez Fernandez F.goncalves Abrantes M.goncerz g.go.g I.V.gorelov c.gotti J.P.grabowski T.grammatico L.A.granado cardoso E.gra.gés E.graverini g.graziani A.T.grecu L.M.greeven N.A.grieser L.grillo S.gromov B.R.grube.g cazon c.gu M.guarise M.guittiere P.A.günther E.gushchin A.guth Y.guz T.gys T.Hadavizadeh g.Haefeli c.Haen J.Haimberger S.c.Haines T.Halewood-leagas M.M.Halvorsen P.M.Hamilton J.Hammerich Q.Han X.Han E.B.Hansen S.Hansmann-Menzemer L.Hao N.Harnew T.Harrison c.Hasse M.Hatch J.He K.Heijhoff K.Heinicke R.D.L.Henderson A.M.Hennequin K.Hennessy L.Henry J.Heuel A.Hicheur D.Hill M.Hilton S.E.Hollitt R.Hou Y.Hou J.Hu J.Hu W.Hu X.Hu W.Huang X.Huang W.Hulsbergen R.J.Hunter M.Hushchyn D.Hutchcroft P.Ibis M.Idzik D.Ilin P.Ilten A.Inglessi A.Iniukhin A.Ishteev K.Ivshin R.Jacobsson H.Jage S.J.Jaimes Elles S.Jakobsen E.Jans B.K.Jashal A.Jawahery V.Jevtic X.Jiang M.John D.Johnson c.R.Jones T.P.Jones B.Jost N.Jurik S.Kandybei Y.Kang M.Karacson D.Karpenkov M.Karpov J.W.Kautz F.Keizer D.M.Keller M.Kenzie T.Ketel B.Khanji A.Kharisova S.Kholodenko T.Kirn V.S.Kirsebom O.Kitouni S.Klaver N.Kleijne K.Klimaszewski M.R.Kmiec S.Koliiev A.Kondybayeva A.Konoplyannikov P.Kopciewicz R.Kopecna P.Koppenburg M.Korolev I.Kostiuk O.Kot S.Kotriakhova A.Kozachuk P.Kravchenko L.Kravchuk R.D.Krawczyk M.Kreps S.Kretzschmar P.Krokovny W.Krupa W.Krzemien J.Kubat W.Kucewicz M.Kucharczyk V.Kudryavtsev g.J.Kunde D.Lacarrere g.Lafferty A.Lai A.Lampis D.Lancierini J.J.Lane R.Lane g.Lanfranchi c.Langenbruc. J.Langer O.Lantwin T.Latham F.Lazzari M.Lazzaroni R.Le gac S.H.Lee R.Lefèvre A.Leflat S.Legotin P.Lenisa O.Leroy T.Lesiak B.Leverington H.Li K.Li P.Li S.Li Y.Li Z.Li X.Liang c.Lin T.Lin R.Lindner V.Lisovskyi R.Litvinov g.Liu H.Liu Q.Liu S.Liu A.Lobo Salvia A.Loi R.Lollini J.Lomba castro I.Longstaff J.H.Lopes S.López Soliäo g.H.Lovell Y.Lu c.Luc.relli D.Lucchesi S.Luchuk M.Lucio Martinez V.Lukashenko Y.Luo A.Lupato E.Luppi A.Lusiani K.Lynch X.-R.Lyu L.Ma R.Ma S.Maccolini F.Machefert F.Maciuc V.Macko P.Mackowiak S.Maddrell-Mander L.R.Madhan Mohan A.Maevskiy D.Maisuzenko M.W.Majewski J.J.Malczewski S.Malde B.Malecki A.Malinin T.Maltsev H.Malygina g.Manca g.Mancinelli D.Manuzzi c.A.Manzari D.Marangotto J.F.Marchand U.Marconi S.Mariani c.Marin Benito M.Marinangeli J.Marks A.M.Marshall P.J.Marshall g.Martelli g.Martellotti L.Martinazzoli M.Martinelli D.Martinez Santos F.Martinez Vidal A.Massafferri M.Materok R.Matev A.Mathad V.Matiunin c.Matteuzzi K.R.Mattioli A.Mauri E.Maurice J.Mauricio M.Mazurek M.Mccann L.Mcconnell T.H.Mcgrath N.T.McHugh A.McNab R.McNulty J.V.Mead B.Meadows g.Meier D.Melnychuk S.Meloni M.Merk A.Merli L.Meyer garcia M.Mikhasenko D.A.Milanes E.Millard M.Milovanovic M.-N.Minard A.Minotti S.E.Mitchell B.Mitreska D.S.Mitzel A.Mädden R.A.Mohammed R.D.Moise S.Mokhnenko T.Mombächer I.A.Monroy S.Monteil M.Morandin g.Morello M.J.Morello J.Moron A.B.Morris A.g.Morris R.Mountain H.Mu F.Muheim M.Mulder K.Müller c.H.Murphy D.Murray R.Murta P.Muzzetto P.Naik T.Nakada R.Nandakumar T.Nanut I.Nasteva M.Needham N.Neri S.Neubert N.Neufeld P.Neustroev R.Newcombe E.M.Niel S.Nieswand N.Nikitin N.S.Nolte c.Normand c.Nunez A.Oblakowska-Mucha V.Obraztsov T.Oeser D.P.O'Hanlon S.Okamura R.Oldeman F.Oliva M.E.Olivares c.J.g.Onderwater R.H.O'Neil J.M.Otalora goicochea T.Ovsiannikova P.Owen A.Oyanguren O.Ozcelik K.O.Padeken B.Pagare P.R.Pais T.Pajero A.Palano M.Palutan Y.Pan g.Panshin A.Papanestis M.Pappagallo L.L.Pappalardo c.Pappenheimer W.Parker c.Parkes B.Passalacqua 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D.Websdale c.Weisser B.D.c.Westhenry D.J.White M.Whitehead A.R.Wiederhold D.Wiedner g.Wilkinson M.K.Wilkinson I.Williams M.Williams M.R.J.Williams R.Williams F.F.Wilson W.Wislicki M.Witek L.Witola c.P.Wong g.Wormser S.A.Wotton H.Wu K.Wyllie Z.Xiang D.Xiao Y.Xie A.Xu J.Xu L.Xu M.Xu Q.Xu Z.Xu Z.Xu D.Yang S.Yang Y.Yang Z.Yang Z.Yang L.E.Yeomans H.Yin J.Yu X.Yuan E.Zaffaroni M.Zavertyaev M.Zdybal O.Zenaiev M.Zeng D.Zhang L.Zhang S.Zhang S.Zhang Y.Zhang Y.Zhang A.Zharkova A.Zhelezov Y.Zheng T.Zhou X.Zhou Y.Zhou V.Zhovkovska X.Zhu X.Zhu Z.Zhu V.Zhukov Q.Zou S.Zucchelli D.Zuliani g.Zunica LHcb collaboration 《Chinese Physics C》 SCIE CAS CSCD 2023年第9期1-13,共13页
A first search for the Ξ_(bc)^(+)J/ψΞ_(c)^(+) decay is performed by the LHCb experiment with a data sample of proton-proton collisions, corresponding to an integrated luminosity of 9 fb−1 recorded at centre-of-mass... A first search for the Ξ_(bc)^(+)J/ψΞ_(c)^(+) decay is performed by the LHCb experiment with a data sample of proton-proton collisions, corresponding to an integrated luminosity of 9 fb−1 recorded at centre-of-mass energies of 7, 8, and 13 TeV. Two peaking structures are seen with a local (global) significance of 4.3(2.8) and 4.1(2.4) standard deviations at masses of 6571 and 6694 MeV/c2, respectively. Upper limits are set on the Ξ+bc baryon production cross-section times the branching fraction relative to that of the B+c→J/ψD+s decay at centre-of-mass energies of 8 and 13 TeV, in the Ξ+bc and in the B+c rapidity and transverse-momentum ranges from 2.0 to 4.5 and 0 to 20GeV/c, respectively. Upper limits are presented as a function of the Ξ+bc mass and lifetime. 展开更多
关键词 QCD B physics charm physics spectroscopy
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