Evidence for the baryonic decay B ¯ 0 → D 0 Λ Λ ¯Denis Bernard,R Schwierz, B Spaan, W H Toki, R Ayad, S R Wagner,J G Smith,U Nauenberg,A Gaz,W T Ford,P C Bloom,L Sun,M D Sokoloff, B G Pushpawela,B T Meadows,Z Huard,R Andreassen,F C Porter,P Ongmongkolkul,D G Hitlin,K T Flood,B Echenard, C H Cheng,D S Chao,A Seiden,B A Schumm,W S Lockman,A M Eisner, C A West,J D Richman,D Kovalskyi,T M Hong,M Franco Sevilla,C Campagnari,G M Vitug,O Long,J W Gary, B Dey,M Mandelkern,A J Lankford,D Kirkby,A N Yushkov,K Yu Todyshev,E P Solodov,Yu I Skovpen,S I Serednyakov,A P Onuchin,E A Kravchenko,V B Golubev,V P Druzhinin,A R Buzykaev,V E Blinov, A Khan,R Y So,J A Mckenna, T S Mattison,C Hearty, T Schroeder,H Koch,G P Lynch, M J Lee,Yu G Kolomensky,L T Kerth,D N Brown,B Stugu, G Eigen,A Palano,E Grauges,V Tisserand, V Poireau, J P Lees,C P Jessop,J M Losecco,K Honscheid,R Kass,J Brau,R Frey,N B Sinev,D Strom,E Torrence,E Feltresi,M Margoni,M Morandin, M Posocco,M Rotondo,G Simi,F Simonetto,R Stroili, S Akar,E Benhaim,M Bomben,G R Bonneaud, H Briand, G Calderini,J Chauveau,Ph Leruste,G Marchiori,J Ocariz,S Sitt,M Biasini, E Manoni,S Pacetti, A M Rossi, C Angelini, G Batignani,S Bettarini,M Carpinelli,G Casarosa, A Cervelli,F Forti,M A Giorgi,A Lusiani,B Oberhof,E Paoloni,A Perez,G Rizzo,J Walsh,D Lopes Pegna,J Olsen, A J S Smith,R Faccini,F Ferrarotto,F Ferroni,M Gaspero,L Li Gioi,G Piredda, C Bunger,O Grunberg,T Hartmann,T Leddig, C Vos, R Waldi,T Adye,E O Olaiya,F F Wilson,S Emery,G Hamel De Monchenault,G Vasseur,Ch Yeche,F Anulli,D Aston,D J Bard,J F Benitez,C Cartaro, M R Convery, J Dorfan,G P Duboisfelsmann,W Dunwoodie,M Ebert, R C Field, B G Fulsom,A Roodman, A A Salnikov,R H Schindler, A Snyder,D Su, M K Sullivan,J Va Vra, A Wagner,W F Wang, W J Wisniewski,M Wittgen,H W Wulsin,V Ziegler,W Park,M V Purohit, R M White,J R Wilson,A Randleconde,S J Sekula,M Bellis,P R Burchat,T S Miyashita, E M T Puccio,A M Gabareen,M T Graham,C Hast,W R Innes, P Kim,M L Kocian,D W G S Leith,P Lewis,D Lindemann,B Lindquist,S Luitz,V Luth,H L Lynch, D B Macfarlane, D R Muller,H A Neal,S Nelson,M Perl, T Pulliam,M S Alam,J Ernst, R Gorodeisky,N Guttman,D R Peimer,A Soffer,S M Spanier,J L Ritchie,A M Ruland, R F Schwitters,B C Wray,J M Izen,X C Lou,F Bianchi,F De Mori,A Filippi,D Gamba,S Zambito,L Lanceri,L Vitale, F Martinezvidal,A Oyanguren,P Villanuevaperez, H Ahmed,J Albert,Sw Banerjee,F U Bernlochner,H H F Choi,G J King,R Kowalewski,M J Lewczuk,T Lueck,I M Nugent,J M Roney,R Sobie,N Tasneem,T Gershon,T E Latham,H R Band,S Dasu,Y Pan,R Prepost, S L Wu,G Raven,M Martinelli, C Sciacca,G Onorato,D Monorchio,G De Nardo,P Taras, M Simard,R Godang,L Cremaldi,F Palombo,N Neri, P Biassoni,S H Robertson,P M Patel,R Cheaib,G Sciolla,D Dujmic,R Cowan,D A Roberts,A Jawahery,B Hamilton,R Cenci,E Behn,G D Lafferty,R J Barlow, K R Schubert, E Prencipe,A Hafner, K Griessinger, W Gradl,M Fritsch,A G Denig,C L Davis,J Bougher,G Cowan,R Sacco,F Di Lodovico,A J Bevan,C Touramanis, D J Payne,D E Hutchcroft,E Gabathuler,J R Fry,J P Coleman,D M Wright,D J Lange,G Wormser,A Stocchi,P Roudeau, B Malaescu,A M Lutz,F Le Diberder,G Grosdidier,D Derkach,M Davier,N Arnaud,A V Gritsan, S Prell,W T Meyer,J Cochran,C Chen,U Mallik,P D Dauncey,H M Lacker,U Uwer,A Adametz,M Morii,V Prasad,B Bhuyan,E Robutti, C Patrignani,S Passaggio, M R Monge,M Lo Vetere,E Guido,B N Ratcliff, R Contri,A Zallo,M Rama,M Piccolo,I M Peruzzi,P Patteri,S Martellotti,G Finocchiaro,R De Sangro,A Calcaterra,R Baldiniferroli,V Santoro,L Piemontese,E Luppi,I Garzia,E Fioravanti,G Cibinetto,R Calabrese,C Bozzi,D Bettoni,S Playfer, M Verderi