Search for Bc+→π+μ+μ-\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$${{B} _{c} ^+} \\!\\rightarrow {{\\pi } ^+} {\\mu ^+\\mu ^-} $$\\end{document} decays and measurement of the branching fraction ratio B(Bc+→ψ(2S)π+)/B(Bc+→J/ψπ+)\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$${\\mathcal {B}} ({{B} _{c} ^+} \\!\\rightarrow {\\psi {(2S)}} {{\\pi } ^+} )/{\\mathcal {B}} ({{B} _{c} ^+} \\!\\rightarrow {{J \\hspace{-1.66656pt}/\\hspace{-1.111pt}\\psi }} {{\\pi

Lhcb Collaboration ,R Aaij,A.S.W Abdelmotteleb,C Abellan Beteta,F Abudinén,T Ackernley,B Adeva,M Adinolfi,P Adlarson,C Agapopoulou,C A Aidala,Z Ajaltouni,S Akar,K Akiba,P Albicocco,J Albrecht,F Alessio,M Alexander,A Alfonso Albero,Z Aliouche,P Alvarez Cartelle,R Amalric,S Amato,J L Amey,Y Amhis,L An,L Anderlini,M Andersson,A Andreianov,P Andreola,M Andreotti,D Andreou,A Anelli,D Ao,F Archilli,M Argenton,S Arguedas Cuendis,A Artamonov,M Artuso,E Aslanides,M Atzeni,B Audurier,D Bacher,I Bachiller Perea,S Bachmann,M Bachmayer,J J Back,P Baladron Rodriguez,V Balagura,W Baldini,J Baptista De Souza Leite,M Barbetti,I R Barbosa,R.J Barlow,S Barsuk,W Barter,M Bartolini,J Bartz,F Baryshnikov,J M Basels,G Bassi,B Batsukh,A Battig,A Bay,A Beck,M Becker,F Bedeschi,I B Bediaga,A Beiter,S Belin,V Bellee,K Belous,I Belov,I Belyaev,G Benane,G Bencivenni,E Ben-Haim,A Berezhnoy,R Bernet,S Bernet Andres,C Bertella,A Bertolin,C Betancourt,F Betti,J Bex,Ia Bezshyiko,J Bhom,M S Bieker,N V Biesuz,P Billoir,A Biolchini,M Birch,F C R Bishop,A Bitadze,A Bizzeti,M P Blago,T Blake,F Blanc,J E Blank,S Blusk,D Bobulska,V Bocharnikov,J A Boelhauve,O Boente Garcia,T Boettcher,A Bohare,A Boldyrev,C S Bolognani,R Bolzonella,N Bondar,F Borgato,S Borghi,M Borsato,J T Borsuk,S A Bouchiba,T J V Bowcock,A Boyer,C Bozzi,M J Bradley,A Brea Rodriguez,N Breer,J Brodzicka,A Brossa Gonzalo,J Brown,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,M Calvi,M Calvo Gomez,J Cambon Bouzas,P Campana,D H Campora Perez,A.F Campoverde Quezada,S Capelli,L Capriotti,R Caravaca-Mora,A Carbone,L Carcedo Salgado,R Cardinale,A Cardini,P Carniti,L Carus,A Casais Vidal,R Caspary,G Casse,J Castro Godinez,M Cattaneo,G Cavallero,V Cavallini,S Celani,J Cerasoli,D Cervenkov,S Cesare,A J Chadwick,I Chahrour,M Charles,Ph Charpentier,C A Chavez Barajas,M Chefdeville,C Chen,S Chen,Z 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,P Cifra,P E L Clarke,M Clemencic,H V Cliff,J Closier,J L Cobbledick,C Cocha Toapaxi,V Coco,J Cogan,E Cogneras,L Cojocariu,P Collins,T Colombo,A Comerma-Montells,L Congedo,A Contu,N Cooke,I Corredoira,A Correia,G Corti,J J Cottee Meldrum,B Couturier,D C Craik,M Cruz Torres,E Curras Rivera,R Currie,C L Da Silva,S Dadabaev,L Dai,X Dai,E Dall’Occo,J Dalseno,C D’Ambrosio,J Daniel,A Danilina,P D’Argent,A Davidson,J E Davies,A Davis,O De Aguiar Francisco,C De Angelis,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,F Debernardis,D Decamp,V Dedu,L Del Buono,B Delaney,H.-P Dembinski,J Deng,V Denysenko,O Deschamps,F Dettori,B Dey,P Di Nezza,I Diachkov,S Didenko,S Ding,V Dobishuk,A D Docheva,A Dolmatov,C Dong,A M Donohoe,F Dordei,A C Dos Reis,L Douglas,A G Downes,W Duan,P Duda,M W Dudek,L Dufour,V Duk,P Durante,M M Duras,J M Durham,A Dziurda,A Dzyuba,S Easo,E Eckstein,U Egede,A Egorychev,V Egorychev,C Eirea Orro,S Eisenhardt,E Ejopu,S Ek-In,L Eklund,M Elashri,J Ellbracht,S Ely,A Ene,E Epple,S Escher,J Eschle,S Esen,T Evans,F Fabiano,L N Falcao,Y Fan,B Fang,L Fantini,M Faria,K Farmer,D Fazzini,L Felkowski,M Feng,M Feo,M Fernandez Gomez,A D Fernez,F Ferrari,F Ferreira Rodrigues,S Ferreres Sole,M Ferrillo,M Ferro-Luzzi,S Filippov,R A Fini,M Fiorini,K M Fischer,D S Fitzgerald,C Fitzpatrick,F Fleuret,M Fontana,L F Foreman,R Forty,D Foulds-Holt,M Franco Sevilla,M Frank,E Franzoso,G Frau,C Frei,D A Friday,L Frontini,J Fu,Q Fuehring,Y Fujii,T Fulghesu,E Gabriel,G Galati,M D Galati,A Gallas Torreira,D Galli,S Gambetta,M Gandelman,P Gandini,H Gao,R Gao,Y Gao,Y Gao,Y Gao,M Garau,L M Garcia Martin,P Garcia Moreno,J García Pardiñas,B Garcia Plana,K G Garg,L Garrido,C Gaspar,R E Geertsema,L L Gerken,E Gersabeck,M Gersabeck,T Gershon,Z Ghorbanimoghaddam,L Giambastiani,F I Giasemis,V Gibson,H K Giemza,A L Gilman,M Giovannetti,A Gioventù,P Gironella Gironell,C Giugliano,M A Giza,E L Gkougkousis,F C Glaser,V V Gligorov,C Göbel,E Golobardes,D Golubkov,A Golutvin,A Gomes,S Gomez Fernandez,F Goncalves Abrantes,M Goncerz,G Gong,J A Gooding,I V Gorelov,C Gotti,J P Grabowski,L A Granado Cardoso,E Graugés,E Graverini,L Grazette,G Graziani,A T Grecu,L M Greeven,N A Grieser,L Grillo,S Gromov,C Gu,M Guarise,M Guittiere,V Guliaeva,P A Günther,A.-K Guseinov,E Gushchin,Y Guz,T Gys,K Habermann,T Hadavizadeh,C Hadjivasiliou,G Haefeli,C Haen,J Haimberger,M Hajheidari,M M Halvorsen,P M Hamilton,J Hammerich,Q Han,X Han,S Hansmann-Menzemer,L Hao,N Harnew,T Harrison,M Hartmann,J He,K Heijhoff,F Hemmer,C Henderson,R D L Henderson,A M Hennequin,K Hennessy,L Henry,J Herd,P Herrero Gascon,J Heuel,A Hicheur,G Hijano Mendizabal,D Hill,S E Hollitt,J Horswill,R Hou,Y Hou,N Howarth,J Hu,J Hu,W Hu,X Hu,W Huang,W Hulsbergen,R J Hunter,M Hushchyn,D Hutchcroft,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,E Jiang,X Jiang,Y Jiang,Y J Jiang,M John,D Johnson,C R Jones,T P Jones,S Joshi,B Jost,N Jurik,I Juszczak,D Kaminaris,S Kandybei,Y Kang,M Karacson,D Karpenkov,M Karpov,A M Kauniskangas,J W Kautz,F Keizer,D M Keller,M Kenzie,T Ketel,B Khanji,A Kharisova,S Kholodenko,G Khreich,T Kirn,V S Kirsebom,O Kitouni,S Klaver,N Kleijne,K Klimaszewski,M R Kmiec,S Koliiev,L Kolk,A Konoplyannikov,P Kopciewicz,P Koppenburg,M Korolev,I Kostiuk,O Kot,S Kotriakhova,A Kozachuk,P Kravchenko,L Kravchuk,M Kreps,S Kretzschmar,P Krokovny,W Krupa,W Krzemien,J Kubat,S Kubis,W Kucewicz,M Kucharczyk,V Kudryavtsev,E Kulikova,A Kupsc,B K Kutsenko,D Lacarrere,A Lai,A Lampis,D Lancierini,C Landesa Gomez,J J Lane,R Lane,C Langenbruch,J Langer,O Lantwin,T Latham,F Lazzari,C Lazzeroni,R Le Gac,S H Lee,R Lefèvre,A Leflat,S Legotin,M Lehuraux,O Leroy,T Lesiak,B Leverington,A Li,H Li,K Li,L Li,P Li,P.-R Li,S Li,T Li,T Li,Y Li,Y Li,Z Li,Z Lian,X Liang,C Lin,T Lin,R Lindner,V Lisovskyi,R Litvinov,F L Liu,G Liu,K Liu,Q Liu,S Liu,Y Liu,Y Liu,Y L Liu,A Lobo Salvia,A Loi,J Lomba Castro,T Long,J H Lopes,A Lopez Huertas,S L.Ópez Soliño,G H Lovell,C Lucarelli,D Lucchesi,S Luchuk,M Lucio Martinez,V Lukashenko,Y Luo,A Lupato,E Luppi,K Lynch,X.-R Lyu,G M Ma,R Ma,S Maccolini,F Machefert,F Maciuc,B M Mack,I Mackay,L M Mackey,L R Madhan Mohan,M M Madurai,A Maevskiy,D Magdalinski,V Mahajan,D Maisuzenko,M W Majewski,J J Malczewski,S Malde,B Malecki,L Malentacca,A Malinin,T Maltsev,G Manca,G Mancinelli,C Mancuso,R Manera Escalero,D Manuzzi,D Marangotto,J F Marchand,R Marchevski,U Marconi,S Mariani,C Marin Benito,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,P Mayencourt,M Mazurek,M Mccann,L Mcconnell,T H Mcgrath,N T Mchugh,A Mcnab,R Mcnulty,B Meadows,G Meier,D Melnychuk,M Merk,A Merli,L Meyer Garcia,D Miao,H Miao,M Mikhasenko,D A Milanes,A Minotti,E Minucci,T Miralles,S E Mitchell,B Mitreska,D S Mitzel,A Modak,A Mödden,R A Mohammed,R D Moise,S Mokhnenko,T Mombächer,M Monk,I A Monroy,S Monteil,A Morcillo Gomez,G Morello,M J Morello,M P Morgenthaler,A B Morris,A G Morris,R Mountain,H Mu,Z M Mu,E Muhammad,F Muheim,M Mulder,K Müller,F Muñoz-Rojas,R Murta,P Naik,T Nakada,R Nandakumar,T Nanut,I Nasteva,M Needham,N Neri,S Neubert,N Neufeld,P Neustroev,R Newcombe,J Nicolini,D Nicotra,E M Niel,N Nikitin,P Nogga,N S Nolte,C Normand,J Novoa Fernandez,G Nowak,C Nunez,H N Nur,A Oblakowska-Mucha,V Obraztsov,T Oeser,S Okamura,R Oldeman,F Oliva,M Olocco,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,G Panshin,L Paolucci,A Papanestis,M Pappagallo,L L Pappalardo,C Pappenheimer,C Parkes,B Passalacqua,G Passaleva,D Passaro,A Pastore,M Patel,J Patoc,C Patrignani,C J Pawley,A Pellegrino,M Pepe Altarelli,S Perazzini,D Pereima,A Pereiro Castro,P Perret,A Perro,K Petridis,A Petrolini,S Petrucci,J P Pfaller,H Pham,L Pica,M Piccini,B Pietrzyk,G Pietrzyk,D Pinci,F Pisani,M Pizzichemi,V Placinta,M Plo Casasus,F Polci,M Poli Lener,A Poluektov,N Polukhina,I Polyakov,E Polycarpo,S Ponce,D Popov,S Poslavskii,K Prasanth,C Prouve,V Pugatch,G Punzi,W Qian,N Qin,S Qu,R Quagliani,R I Rabadan Trejo,J H Rademacker,M Rama,M Ramírez García,M Ramos Pernas,M S Rangel,F Ratnikov,G Raven,M Rebollo De Miguel,F Redi,J Reich,F Reiss,Z Ren,P K Resmi,R Ribatti,G R Ricart,D Riccardi,S Ricciardi,K Richardson,M Richardson-Slipper,K Rinnert,P Robbe,G Robertson,E Rodrigues,E Rodriguez Fernandez,J A Rodriguez Lopez,E Rodriguez Rodriguez,A Rogovskiy,D L Rolf,A Rollings,P Roloff,V Romanovskiy,M Romero Lamas,A Romero Vidal,G Romolini,F Ronchetti,M Rotondo,S R Roy,M S Rudolph,T Ruf,M Ruiz Diaz,R A Ruiz Fernandez,J Ruiz Vidal,A Ryzhikov,J Ryzka,J J Saborido Silva,R Sadek,N Sagidova,N Sahoo,B Saitta,M Salomoni,C Sanchez Gras,I Sanderswood,R Santacesaria,C Santamarina Rios,M Santimaria,L Santoro,E Santovetti,A Saputi,D Saranin,G Sarpis,M Sarpis,A Sarti,C Satriano,A Satta,M Saur,D Savrina,H Sazak,L G Scantlebury Smead,A Scarabotto,S Schael,S Scherl,A M Schertz,M Schiller,H Schindler,M Schmelling,B Schmidt,S Schmitt,H Schmitz,O Schneider,A Schopper,N Schulte,S Schulte,M H Schune,R Schwemmer,G Schwering,B Sciascia,A Sciuccati,S Sellam,A Semennikov,M Senghi Soares,A Sergi,N Serra,L Sestini,A Seuthe,Y Shang,D M Shangase,M Shapkin,R S Sharma,I Shchemerov,L Shchutska,T Shears,L Shekhtman,Z Shen,S Sheng,V Shevchenko,B Shi,E B Shields,Y Shimizu,E Shmanin,R Shorkin,J D Shupperd,R Silva Coutinho,G Simi,S Simone,N Skidmore,R Skuza,T Skwarnicki,M W Slater,J C Smallwood,E Smith,K Smith,M Smith,A Snoch,L Soares Lavra,M D Sokoloff,F J P Soler,A Solomin,A Solovev,I Solovyev,R Song,Y Song,Y Song,Y S Song,F L Souza De Almeida,B Souza De Paula,E Spadaro Norella,E Spedicato,J G Speer,E Spiridenkov,P Spradlin,V Sriskaran,F Stagni,M Stahl,S Stahl,S Stanislaus,E N Stein,O Steinkamp,O Stenyakin,H Stevens,D Strekalina,Y Su,F Suljik,J Sun,L Sun,Y Sun,P N Swallow,F Swystun,A Szabelski,T Szumlak,M Szymanski,Y Tan,S Taneja,M D Tat,A Terentev,F Terzuoli,F Teubert,E Thomas,D J D Thompson,H Tilquin,V Tisserand,S T’Jampens,M Tobin,L Tomassetti,G Tonani,X Tong,D Torres Machado,L Toscano,D Y Tou,C Trippl,G Tuci,N Tuning,L H Uecker,A Ukleja,D J Unverzagt,E Ursov,A Usachov,A Ustyuzhanin,U Uwer,V Vagnoni,A Valassi,G Valenti,N Valls Canudas,H Van Hecke,E Van Herwijnen,C B Van Hulse,R Van Laak,M Van Veghel,R Vazquez Gomez,P Vazquez Regueiro,C V.Ázquez Sierra,S Vecchi,J J Velthuis,M Veltri,A Venkateswaran,M Vesterinen,M Vieites Diaz,X Vilasis-Cardona,E Vilella Figueras,A Villa,P Vincent,F C Volle,D Vom Bruch,V Vorobyev,N Voropaev,K Vos,G Vouters,C Vrahas,J Walsh,E J Walton,G Wan,C Wang,G Wang,J Wang,J Wang,J Wang,J Wang,M Wang,N W Wang,R Wang,X Wang,X W Wang,Y Wang,Z Wang,Z Wang,Z Wang,J A Ward,M Waterlaat,N K Watson,D Websdale,Y Wei,B D C Westhenry,C White,D J White,M Whitehead,A R Wiederhold,D Wiedner,G Wilkinson,M K Wilkinson,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,J Wu,Y Wu,K Wyllie,S Xian,Z Xiang,Y Xie,A Xu,J Xu,L Xu,L Xu,M Xu,Z Xu,Z Xu,Z Xu,D Yang,S Yang,X Yang,Y Yang,Z Yang,Z Yang,V Yeroshenko,H Yeung,H Yin,C Y Yu,J Yu,X Yuan,E Zaffaroni,M Zavertyaev,M Zdybal,M Zeng,C Zhang,D Zhang,J Zhang,L Zhang,S Zhang,S Zhang,Y Zhang,Y Z Zhang,Y Zhao,A Zharkova,A Zhelezov,X Z Zheng,Y Zheng,T Zhou,X Zhou,Y Zhou,V Zhovkovska,L Z Zhu,X Zhu,X Zhu,V Zhukov,J Zhuo,Q Zou,D Zuliani,G Zunica

doi:10.1140/epjc/s10052-024-12669-x

Abstract

The first search for nonresonant Bc+→π+μ+μ-\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$${{B} _{c} ^+} \\!\\rightarrow {{\\pi } ^+} {\\mu ^+\\mu ^-} $$\\end{document} decays is reported. The analysis uses proton–proton collision data collected with the LHCb detector between 2011 and 2018, corresponding to an integrated luminosity of 9fb-1\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$\\,\ ext {fb} ^{-1}$$\\end{document}. No evidence for an excess of signal events over background is observed and an upper limit is set on the branching fraction ratio B(Bc+→π+μ+μ-)/B(Bc+→J/ψπ+)<2.1×10-4\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$${\\mathcal {B}} ({{B} _{c} ^+} \\!\\rightarrow {{\\pi } ^+} {\\mu ^+\\mu ^-} )/{\\mathcal {B}} ({{B} _{c} ^+} \\!\\rightarrow {{J \\hspace{-1.66656pt}/\\hspace{-1.111pt}\\psi }} {{\\pi } ^+} ) < 2.1\ imes 10^{-4}$$\\end{document} at 90%\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$90\\%$$\\end{document} confidence level. Additionally, an updated measurement of the ratio of the Bc+→ψ(2S)π+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$${{B} _{c} ^+} \\!\\rightarrow {\\psi {(2S)}} {{\\pi } ^+} $$\\end{document} and Bc+→J/ψπ+\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$${{B} _{c} ^+} \\!\\rightarrow {{J \\hspace{-1.66656pt}/\\hspace{-1.111pt}\\psi }} {{\\pi } ^+} $$\\end{document} branching fractions is reported. The ratio B(Bc+→ψ(2S)π+)/B(Bc+→J/ψπ+)\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$${\\mathcal {B}} ({{B} _{c} ^+} \\!\\rightarrow {\\psi {(2S)}} {{\\pi } ^+} )/{\\mathcal {B}} ({{B} _{c} ^+} \\!\\rightarrow {{J \\hspace{-1.66656pt}/\\hspace{-1.111pt}\\psi }} {{\\pi } ^+} )$$\\end{document} is measured to be 0.254±0.018±0.003±0.005\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$0.254\\pm 0.018 \\pm 0.003 \\pm 0.005$$\\end{document}, where the first uncertainty is statistical, the second systematic, and the third is due to the uncertainties on the branching fractions of the leptonic J/ψ\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$${J \\hspace{-1.66656pt}/\\hspace{-1.111pt}\\psi }$$\\end{document} and ψ(2S)\\documentclass[12pt]{minimal} \\usepackage{amsmath} \\usepackage{wasysym} \\usepackage{amsfonts} \\usepackage{amssymb} \\usepackage{amsbsy} \\usepackage{mathrsfs} \\usepackage{upgreek} \\setlength{\\oddsidemargin}{-69pt} \\begin{document}$$\\psi {(2S)}$$\\end{document} decays. This measurement is the most precise to date and is consistent with previous LHCb results.

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