Search for a dimuon resonance in the ϒ mass region

Aaij, R; Adeva, B; Adinolfi, M; Ajaltouni, Z; Akar, S; Albicocco, P; Albrecht, J; Alessio, F; Alexander, M; Albero, Aa; Ali, S; Alkhazov, G; Cartelle, Pa; Alves, Aa; Amato, S; Amerio, S; Amhis, Y; An, L; Anderlini, L; Andreassi, G; Andreotti, M; Andrews, Je; Appleby, Rb; Archilli, F; D'Argent, P; Romeu, Ja; Artamonov, A; Artuso, M; Aslanides, E; Atzeni, M; Auriemma, G; Bachmann, S; Back, Jj; Baesso, C; Baker, S; Balagura, V; Baldini, W; Baranov, A; Barlow, Rj; Barsuk, S; Barter, W; Baryshnikov, F; Batozskaya, V; Battista, V; Bay, A; Beddow, J; Bedeschi, F; Bediaga, I; Beiter, A; Bel, Lj; Beliy, N; Bellee, V; Belloli, N; Belous, K; Belyaev, I; Ben-Haim, E; Bencivenni, G; Benson, S; Beranek, S; Berezhnoy, A; Bernet, R; Berninghoff, D; Bertholet, E; Bertolin, A; Betancourt, C; Betti, F; Bettler, Mo; van Beuzekom, M; Bezshyiko, I; Bifani, S; Billoir, P; Birnkraut, A; Bizzeti, A; Bjorn, M; Blake, T; Blanc, F; Blusk, S; Bocci, V; Garcia, Ob; Boettcher, T; Bondar, A; Bondar, N; Borghi, S; Borisyak, M; Borsato, M; Bossu, F; Boubdir, M; Bowcock, Tjv; Bowen, E; Bozzi, C; Braun, S; Brodski, M; Brodzicka, J; Brundu, D; Buchanan, E; Burr, C; Bursche, A; Buytaert, J; Byczynski, W; Cadeddu, S; Cai, H; Calabrese, R; Calladine, R; Calvi, M; Gomez, Mc; Camboni, A; Campana, P; Perez, Dhc; Capriotti, L; Carbone, A; Carboni, G; Cardinale, R; Cardini, A; Carniti, P; Carson, L; Akiba, Kc; Casse, G; Cassina, L; Cattaneo, M; Cavallero, G; Cenci, R; Chamont, D; Chapman, Mg; Charles, M; Charpentier, P; Chatzikonstantinidis, G; Chefdeville, M; Chen, S; Chitic, Sg; Chobanova, V; Chrzaszcz, M; Chubykin, A; Ciambrone, P; Vidal, Xc; Ciezarek, G; Clarke, Pel; Clemencic, M; Cliff, Hv; Closier, J; Coco, V; Cogan, J; Cogneras, E; Cogoni, V; Cojocariu, L; Collins, P; Colombo, T; Comerma-Montells, A; Contu, A; Coombs, G; Coquereau, S; Corti, G; Corvo, M; Sobral, Cmc; Couturier, B; Cowan, Ga; Craik, Dc; Crocombe, A; Torres, Mc; Currie, R; D'Ambrosio, C; Marinho, Fd; Da Silva, Cl; Dall'Occo, E; Dalseno, J; Danilina, A; Davis, A; Francisco, Od; De Bruyn, K; De Capua, S; De Cian, M; De Miranda, Jm; De Paula, L; De Serio, M; De Simone, P; Dean, Ct; Decamp, D; Del Buono, L; Delaney, B; Dembinski, Hp; Demmer, M; Dendek, A; Derkach, D; Deschamps, O; Dettori, F; Dey, B; Di Canto, A; Di Nezza, P; Didenko, S; Dijkstra, H; Dordei, F; Dorigo, M; Suarez, Ad; Douglas, L; Dovbnya, A; Dreimanis, K; Dufour, L; Dujany, G; Durante, P; Durham, Jm; Dutta, D; Dzhelyadin, R; Dziewiecki, M; Dziurda, A; Dzyuba, A; Easo, S; Egede, U; Egorychev, V; Eidelman, S; Eisenhardt, S; Eitschberger, U; Ekelhof, R; Eklund, L; Ely, S; Ene, A; Escher, S; Esen, S; Evans, Hm; Evans, T; Falabella, A; Farley, N; Farry, S; Fazzini, D; Federici, L; Fernandez, G; Declara, Pf; Prieto, Af; Ferrari, F; Lopes, Lf; Rodrigues, Ff; Ferro-Luzzi, M; Filippov, S; Fini, Ra; Fiorini, M; Firlej, M; Fitzpatrick, C; Fiutowski, T; Fleuret, F; Fontana, M; Fontanelli, F; Forty, R; Lima, Vf; Frank, M; Frei, C; Fu, J; Funk, W; Farber, C; Gabriel, E; Torreira, Ag; Galli, D; Gallorini, S; Gambetta, S; Gandelman, M; Gandini, P; Gao, Y; Martin, Lmg; Pardinas, Jg; Tico, Jg; Garrido, L; Gascon, D; Gaspar, C; Gavardi, L; Gazzoni, G; Gerick, D; Gersabeck, E; Gersabeck, M; Gershon, T; Ghez, P; Giani, S; Gibson, V; Girard, Og; Giubega, L; Gizdov, K; Gligorov, Vv; Golubkov, D; Golutvin, A; Gomes, A; Gorelov, Iv; Gotti, C; Govorkova, E; Grabowski, Jp; Diaz, Rg; Cardoso, Lag; Grauges, E; Graverini, E; Graziani, G; Grecu, A; Greim, R; Griffith, P; Grillo, L; Gruber, L; Cazon, Brg; Grunberg, O; Gushchin, E; Guz, Y; Gys, T; Gobel, C; Hadavizadeh, T; Hadjivasiliou, C; Haefeli, G; Haen, C; Haines, Sc; Hamilton, B; Han, X; Hancock, Th; Hansmann-Menzemer, S; Harnew, N; Harnew, St; Hasse, C; Hatch, M; He, J; Hecker, M; Heinicke, K; Heister, A; Hennessy, K; Henry, L; van Herwijnen, E; Hess, M; Hicheur, A; Hill, D; Hopchev, Ph; Hu, W; Huang, W; Huard, Zc; Hulsbergen, W; Humair, T; Hushchyn, M; Hutchcroft, D; Ibis, P; Idzik, M; Ilten, P; Ivshin, K; Jacob