Measurements of the Angular Distributions in the DecaysB→K(*)μ+μ−at CDF

T Aaltonen,B A Barnett,C S Moon,I Redondo,N Ershaidat,K Yi,M Chertok,C Liu,A Brisuda,N Hussain,N Turini,F Crescioli,E Nurse,M Hare,V Ramakrishnan,G L Strycker,J Lueck,E Pianori,B Stelzer,V Glagolev,J Russ,G Piacentino,M Binkley,P Catastini,S Klimenko,H Wenzel,A Eppig,E Gerchtein,Y Nagai,N Krumnack,D Hare,S Rolli,A Varganov,D Mietlicki,S Hou,E Vataga,I Shreyber,K K Joo,T Rodrigo,A Mitra,A Hamaguchi,E James,S Uozumi,D Lucchesi,G Punzi,J E Garcia,K Tollefson,W K Sakumoto,D J Kong,D Hidas,P Lukens,S Camarda,J Pursley,M A Ciocci,T Arisawa,R Madrak,T Rodriguez,C M Ginsburg,J Bellinger,S S Yu,K Ebina,M Goncharov,W Ketchum,C Plager,M Stanitzki,A Castro,S W Lee,A Ruiz,A Robson,P Wittich,J Galyardt,V E Barnes,O Norniella,B Auerbach,D Carlsmith,C Marino,M Vogel,F Rimondi,T Lecompte,J Tang,L Ristori,G Giurgiu,S Behari,J R Smith,M Herndon,J Conway,H S Kim,D O Litvintsev,M Rossi,C Grosso-Pilcher,R St Denis,D Stentz,W Ashmanskas,F Prokoshin,A Mukherjee,G De Lorenzo,S Tkaczyk,M Feindt,M Kurata,A Semenov,M Jones,M Gold,M Franklin,J Patrick,J Pilot,K Sliwa,D Bortoletto,D H Kim,S Lockwitz,G Flanagan,P Mcintyre,J A Appel,A Sedov,G Latino,L Ortolan,G Velev,J Kroll,K Yorita,M J Morello,Q Liu,N Goldschmidt,Y Takeuchi,A Sissakian,V Khotilovich,G Pauletta,B Brau,D Krop,H Gerberich,S Carron,G A Thompson,H S Lee,J C Yun,D Torretta,R Orava,L Sartori,T Liu,F Ptohos,J Boudreau,J Linacre,M Datta,I Lazzizzera,K Lannon,M Bauce,H C Fang,P Dong,A Annovi,V Giakoumopoulou,E Halkiadakis,M Deninno,T Yoshida,Y D Oh,M Mathis,W Johnson,F Margaroli,J D Lewis,C Calancha,L Brigliadori,D Goldin,J Deng,A T Laasanen,S Jindariani,G Chiarelli,A Napier,S Somalwar,F D Snider,L Nodulman,R Moore,S Lammel,E E Schmidt,C Pagliarone,D Clark,F Ukegawa,G Chlachidze,P Schlabach,A Golossanov,C Blocker,O Stelzer-Chilton,T Kamon,J Nett,M Hussein,C Ferrazza,T Kuhr,K Burkett,N Ranjan,R Roser,D Benjamin,A Anastassov,X Wu,M Bucciantonio,S Torre,K Kondo,Y C Yang,H S Budd,P Totaro,B Di Ruzza,M Hurwitz,F Canelli,F Wick,G Bauer,D J 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Dell’Orso,G Compostella,T R Junk,M Iori,A Di Canto,M Corbo,P Giannetti,B Álvarez González,R Forrest,G Volpi,J Yoh,R Mcnulty,I Nakano,M D’Onofrio,V Rusu,D Toback,T Okusawa,M Schmitt,Y K Kim,N D’Ascenzo,M Tecchio,L Santi,S Hewamanage,F Bedeschi,K Hara,S Errede,A Aurisano,T Shears,E Lee,M Trovato,M E Convery,A Gresele,T Dorigo,I Gorelov,P Wagner,N S Lockyer,Y Seiya,F Sforza,K Hatakeyama,H W Kim,C I Ciobanu,A Menzione,A Savoy-Navarro,S Shiraishi,A Mehta,H Wolfe,S Wolbers,T J Phillips,J Naganoma,D Beecher,S Kwang,K Goulianos,G Introzzi,P Ttito-Guzmán,B L Winer,G Manca,K Gibson,R L Wagner,D Cauz,C Cuenca Almenar,P De Barbaro,E Lipeles,C Deluca,Y Tu,V Saveliev,J Asaadi,S C Seidel ,S Moêd ,D W Jang ,Th Müller ,David Horn ,M Cavalli‐Sforza ,J Königsberg ,W H Hopkins ,M J Shochet ,D Pellett ,J Dittmann ,Thomas Schwarz ,M Martı́nez ,R Mart́ínez-Ballaŕın ,M Frank ,P Maksimović ,A Kotwal ,А Суханов ,D Glenzinskí ,J Guimarães Da Costa ,C P Hays ,P Mehtälä ,V Sorı́n ,J P Fernández ,J Han ,R D Field ,S Shalhout ,A Höcker ,M C Kruse ,S Tokár ,M N Mondragón ,G Gómez-Ceballos ,I K Furic ,G Gómez ,W-M Yao ,R Lander ,E Brücken ,J Antos̆ ,R Harr ,R Lysák ,S M Farrington ,R Hughes ,А Симоненко ,A Paramonov ,J Freeman ,A Barbaro‐Galtieri ,P Bartoš ,C J Lin

doi:10.1103/physrevlett.108.081807

Abstract

We report an indirect search for nonstandard model physics using the flavor-changing neutral current decays B→K(*)μ(+)μ(-). We reconstruct the decays and measure their angular distributions, as a function of q(2)=M(μμ)(2)c(2), where M(μμ) is the dimuon mass, in pp¯ collisions at √s=1.96 TeV using a data sample corresponding to an integrated luminosity of 6.8 fb(-1). The transverse polarization asymmetry A(T)(2) and the time-reversal-odd charge-and-parity asymmetry A(im) are measured for the first time, together with the K* longitudinal polarization fraction F(L) and the muon forward-backward asymmetry A(FB) for the decays B(0)→K(*0)μ(+)μ(-) and B(+)→K(*+)μ(+)μ(-). The B→K*μ(+)μ(-) forward-backward asymmetry in the most sensitive kinematic regime, 1≤q(2)<6 GeV(2)/c(2), is measured to be A(FB)=0.29(-0.23)(+0.20)(stat)±0.07(syst), the most precise result to date. No deviations from the standard model predictions are observed.

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