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Measurement of the mass and lifetime of the Ωb- baryon
- Aaij, R;
- Beteta, C Abellán;
- Adeva, B;
- Adinolfi, M;
- Ajaltouni, Z;
- Akar, S;
- Albrecht, J;
- Alessio, F;
- Alexander, M;
- Ali, S;
- Alkhazov, G;
- Cartelle, P Alvarez;
- Alves, AA;
- Amato, S;
- Amerio, S;
- Amhis, Y;
- An, L;
- Anderlini, L;
- Andreassi, G;
- Andreotti, M;
- Andrews, JE;
- Appleby, RB;
- Gutierrez, O Aquines;
- Archilli, F;
- d’Argent, P;
- Artamonov, A;
- Artuso, M;
- Aslanides, E;
- Auriemma, G;
- Baalouch, M;
- Bachmann, S;
- Back, JJ;
- Badalov, A;
- Baesso, C;
- Baker, S;
- Baldini, W;
- Barlow, RJ;
- Barschel, C;
- Barsuk, S;
- Barter, W;
- Batozskaya, V;
- Battista, V;
- Bay, A;
- Beaucourt, L;
- Beddow, J;
- Bedeschi, F;
- Bediaga, I;
- Bel, LJ;
- Bellee, V;
- Belloli, N;
- Belyaev, I;
- Ben-Haim, E;
- Bencivenni, G;
- Benson, S;
- Benton, J;
- Berezhnoy, A;
- Bernet, R;
- Bertolin, A;
- Betti, F;
- Bettler, M-O;
- van Beuzekom, M;
- Bifani, S;
- Billoir, P;
- Bird, T;
- Birnkraut, A;
- Bizzeti, A;
- Blake, T;
- Blanc, F;
- Blouw, J;
- Blusk, S;
- Bocci, V;
- Bondar, A;
- Bondar, N;
- Bonivento, W;
- Borgheresi, A;
- Borghi, S;
- Borisyak, M;
- Borsato, M;
- Boubdir, M;
- Bowcock, TJV;
- Bowen, E;
- Bozzi, C;
- Braun, S;
- Britsch, M;
- Britton, T;
- Brodzicka, J;
- Buchanan, E;
- Burr, C;
- Bursche, A;
- Buytaert, J;
- Cadeddu, S;
- Calabrese, R;
- Calvi, M;
- Gomez, M Calvo;
- Campana, P;
- Perez, D Campora;
- Capriotti, L;
- Carbone, A;
- Carboni, G;
- Cardinale, R;
- Cardini, A;
- Carniti, P;
- Carson, L;
- Akiba, K Carvalho;
- Casse, G;
- Cassina, L;
- Garcia, L Castillo;
- Cattaneo, M;
- Cauet, Ch;
- Cavallero, G;
- Cenci, R;
- Charles, M;
- Charpentier, Ph;
- Chatzikonstantinidis, G;
- Chefdeville, M;
- Chen, S;
- Cheung, S-F;
- Chobanova, V;
- Chrzaszcz, M;
- Vidal, X Cid;
- Ciezarek, G;
- Clarke, PEL;
- Clemencic, M;
- Cliff, HV;
- Closier, J;
- Coco, V;
- Cogan, J;
- Cogneras, E;
- Cogoni, V;
- Cojocariu, L;
- Collazuol, G;
- Collins, P;
- Comerma-Montells, A;
- Contu, A;
- Cook, A;
- Coquereau, S;
- Corti, G;
- Corvo, M;
- Couturier, B;
- Cowan, GA;
- Craik, DC;
- Crocombe, A;
- Torres, M Cruz;
- Cunliffe, S;
- Currie, R;
- D’Ambrosio, C;
- Dall’Occo, E;
- Dalseno, J;
- David, PNY;
- Davis, A;
- De Aguiar Francisco, O;
- De Bruyn, K;
- De Capua, S;
- De Cian, M;
- De Miranda, JM;
- De Paula, L;
- De Simone, P;
- Dean, C-T;
- Decamp, D;
- Deckenhoff, M;
- Del Buono, L;
- Déléage, N;
- Demmer, M;
- Derkach, D;
- Deschamps, O;
- Dettori, F;
- Dey, B;
- Di Canto, A;
- Dijkstra, H;
- Dordei, F;
- Dorigo, M;
- Suárez, A Dosil;
- Dovbnya, A;
- Dreimanis, K;
- Dufour, L;
- Dujany, G;
- Dungs, K;
- Durante, P;
- Dzhelyadin, R;
- Dziurda, A;
- Dzyuba, A;
- Easo, S;
- Egede, U;
- Egorychev, V;
- Eidelman, S;
- Eisenhardt, S;
- Eitschberger, U;
- Ekelhof, R;
- Eklund, L;
- Rifai, I El;
- Elsasser, Ch;
- Ely, S;
- Esen, S;
- Evans, HM;
- Evans, T;
- Falabella, A;
- Färber, C;
- Farley, N;
- Farry, S;
- Fay, R;
- Fazzini, D;
- Ferguson, D;
- Albor, V Fernandez;
- Ferrari, F;
- Rodrigues, F Ferreira;
- Ferro-Luzzi, M;
- Filippov, S;
- Fiore, M;
- Fiorini, M;
- Firlej, M;
- Fitzpatrick, C;
- Fiutowski, T;
- Fleuret, F;
- Fohl, K;
- Fontana, M;
- Fontanelli, F;
- Forshaw, DC;
- Forty, R;
- Frank, M;
- Frei, C;
- Frosini, M;
- Fu, J;
- Furfaro, E;
- Torreira, A Gallas;
- Galli, D;
- Gallorini, S;
- Gambetta, S;
- Gandelman, M;
- Gandini, P;
- Gao, Y;
- Pardiñas, J García;
- Tico, J Garra;
- Garrido, L;
- Garsed, PJ;
- Gascon, D;
- Gaspar, C;
- Gavardi, L;
- Gazzoni, G;
- Gerick, D;
- Gersabeck, E;
- Gersabeck, M;
- Gershon, T;
- Ghez, Ph;
- Gianì, S;
- Gibson, V;
- Girard, OG;
- Giubega, L;
- Gligorov, VV;
- Göbel, C;
- Golubkov, D;
- Golutvin, A;
- Gomes, A;
- Gotti, C;
- Gándara, M Grabalosa;
- Diaz, R Graciani;
- Cardoso, LA Granado;
- Graugés, E;
- Graverini, E;
- Graziani, G;
- Grecu, A;
- Griffith, P;
- Grillo, L;
- Grünberg, O;
- Gushchin, E;
- Guz, Yu;
- Gys, T;
- Hadavizadeh, T;
- Hadjivasiliou, C;
- Haefeli, G;
- Haen, C;
- Haines, SC;
- Hall, S;
- Hamilton, B;
- Han, X;
- Hansmann-Menzemer, S;
- Harnew, N;
- Harnew, ST;
- Harrison, J;
- He, J;
- Head, T;
- Heister, A;
- Hennessy, K;
- Henrard, P;
- Henry, L;
- Morata, JA Hernando;
- van Herwijnen, E;
- Heß, M;
- Hicheur, A;
- Hill, D;
- Hoballah, M;
- Hombach, C;
- Hongming, L;
- Hulsbergen, W;
- Humair, T;
- Hushchyn, M;
- Hussain, N;
- Hutchcroft, D;
- Idzik, M;
- Ilten, P;
- Jacobsson, R;
- Jaeger, A;
- Jalocha, J;
- Jans, E;
- Jawahery, A;
- John, M;
- Johnson, D;
- Jones, CR;
- Joram, C;
- Jost, B;
- Jurik, N;
- Kandybei, S;
- Kanso, W;
- Karacson, M;
- Karbach, TM;
- Karodia, S;
- Kecke, M;
- Kelsey, M;
- Kenyon, IR;
- Kenzie, M;
- Ketel, T;
- Khairullin, E;
- Khanji, B;
- Khurewathanakul, C;
- Kirn, T;
- Klaver, S;
- Klimaszewski, K;
- Kolpin, M;
- Komarov, I;
- Koopman, RF;
- Koppenburg, P;
- Kozeiha, M;
- Kravchuk, L;
- Kreplin, K;
- Kreps, M;
- Krokovny, P;
- Kruse, F;
- Krzemien, W;
- Kucewicz, W;
- Kucharczyk, M;
- Kudryavtsev, V;
- Kuonen, AK;
- Kurek, K;
- Kvaratskheliya, T;
- Lacarrere, D;
- Lafferty, G;
- Lai, A;
- Lambert, D;
- Lanfranchi, G;
- Langenbruch, C;
- Langhans, B;
- Latham, T;
- Lazzeroni, C;
- Le Gac, R;
- van Leerdam, J;
- Lees, J-P;
- Lefèvre, R;
- Leflat, A;
- Lefrançois, J;
- Cid, E Lemos;
- Leroy, O;
- Lesiak, T;
- Leverington, B;
- Li, Y;
- Likhomanenko, T;
- Lindner, R;
- Linn, C;
- Lionetto, F;
- Liu, B;
- Liu, X;
- Loh, D;
- Longstaff, I;
- Lopes, JH;
- Lucchesi, D;
- Martinez, M Lucio;
- Luo, H;
- Lupato, A;
- Luppi, E;
- Lupton, O;
- Lusardi, N;
- Lusiani, A;
- Lyu, X;
- Machefert, F;
- Maciuc, F;
- Maev, O;
- Maguire, K;
- Malde, S;
- Malinin, A;
- Manca, G;
- Mancinelli, G;
- Manning, P;
- Mapelli, A;
- Maratas, J;
- Marchand, JF;
- Marconi, U;
- Benito, C Marin;
- Marino, P;
- Marks, J;
- Martellotti, G;
- Martin, M;
- Martinelli, M;
- Santos, D Martinez;
- Vidal, F Martinez;
- Tostes, D Martins;
- Massacrier, LM;
- Massafferri, A;
- Matev, R;
- Mathad, A;
- Mathe, Z;
- Matteuzzi, C;
- Mauri, A;
- Maurin, B;
- Mazurov, A;
- McCann, M;
- McCarthy, J;
- McNab, A;
- McNulty, R;
- Meadows, B;
- Meier, F;
- Meissner, M;
- Melnychuk, D;
- Merk, M;
- Merli, A;
- Michielin, E;
- Milanes, DA;
- Minard, M-N;
- Mitzel, DS;
- Rodriguez, J Molina;
- Monroy, IA;
- Monteil, S;
- Morandin, M;
- Morawski, P;
- Mordà, A;
- Morello, MJ;
- Moron, J;
- Morris, AB;
- Mountain, R;
- Muheim, F;
- Müller, D;
- Müller, J;
- Müller, K;
- Müller, V;
- Mussini, M;
- Muster, B;
- Naik, P;
- Nakada, T;
- Nandakumar, R;
- Nandi, A;
- Nasteva, I;
- Needham, M;
- Neri, N;
- Neubert, S;
- Neufeld, N;
- Neuner, M;
- Nguyen, AD;
- Nguyen-Mau, C;
- Niess, V;
- Nieswand, S;
- Niet, R;
- Nikitin, N;
- Nikodem, T;
- Novoselov, A;
- O’Hanlon, DP;
- Oblakowska-Mucha, A;
- Obraztsov, V;
- Ogilvy, S;
- Okhrimenko, O;
- Oldeman, R;
- Onderwater, CJG;
- Rodrigues, B Osorio;
- Goicochea, JM Otalora;
- Otto, A;
- Owen, P;
- Oyanguren, A;
- Palano, A;
- Palombo, F;
- Palutan, M;
- Panman, J;
- Papanestis, A;
- Pappagallo, M;
- Pappalardo, LL;
- Pappenheimer, C;
- Parker, W;
- Parkes, C;
- Passaleva, G;
- Patel, GD;
- Patel, M;
- Patrignani, C;
- Pearce, A;
- Pellegrino, A;
- Penso, G;
- Altarelli, M Pepe;
- Perazzini, S;
- Perret, P;
- Pescatore, L;
- Petridis, K;
- Petrolini, A;
- Petruzzo, M;
- Olloqui, E Picatoste;
- Pietrzyk, B;
- Pikies, M;
- Pinci, D;
- Pistone, A;
- Piucci, A;
- Playfer, S;
- Casasus, M Plo;
- Poikela, T;
- Polci, F;
- Poluektov, A;
- Polyakov, I;
- Polycarpo, E;
- Popov, A;
- Popov, D;
- Popovici, B;
- Potterat, C;
- Price, E;
- Price, JD;
- Prisciandaro, J;
- Pritchard, A;
- Prouve, C;
- Pugatch, V;
- Navarro, A Puig;
- Punzi, G;
- Qian, W;
- Quagliani, R;
- Rachwal, B;
- Rademacker, JH;
- Rama, M;
- Pernas, M Ramos;
- Rangel, MS;
- Raniuk, I;
- Raven, G;
- Redi, F;
- Reichert, S;
- dos Reis, AC;
- Renaudin, V;
- Ricciardi, S;
- Richards, S;
- Rihl, M;
- Rinnert, K;
- Molina, V Rives;
- Robbe, P;
- Rodrigues, AB;
- Rodrigues, E;
- Lopez, JA Rodriguez;
- Perez, P Rodriguez;
- Rogozhnikov, A;
- Roiser, S;
- Romanovsky, V;
- Vidal, A Romero;
- Ronayne, JW;
- Rotondo, M;
- Ruf, T;
- Valls, P Ruiz;
- Silva, JJ Saborido;
- Sagidova, N;
- Saitta, B;
- Guimaraes, V Salustino;
- Mayordomo, C Sanchez;
- Sedes, B Sanmartin;
- Santacesaria, R;
- Rios, C Santamarina;
- Santimaria, M;
- Santovetti, E;
- Sarti, A;
- Satriano, C;
- Satta, A;
- Saunders, DM;
- Savrina, D;
- Schael, S;
- Schiller, M;
- Schindler, H;
- Schlupp, M;
- Schmelling, M;
- Schmelzer, T;
- Schmidt, B;
- Schneider, O;
- Schopper, A;
- Schubiger, M;
- Schune, M-H;
- Schwemmer, R;
- Sciascia, B;
- Sciubba, A;
- Semennikov, A;
- Sergi, A;
- Serra, N;
- Serrano, J;
- Sestini, L;
- Seyfert, P;
- Shapkin, M;
- Shapoval, I;
- Shcheglov, Y;
- Shears, T;
- Shekhtman, L;
- Shevchenko, V;
- Shires, A;
- Siddi, BG;
- Coutinho, R Silva;
- de Oliveira, L Silva;
- Simi, G;
- Sirendi, M;
- Skidmore, N;
- Skwarnicki, T;
- Smith, E;
- Smith, IT;
- Smith, J;
- Smith, M;
- Snoek, H;
- Sokoloff, MD;
- Soler, FJP;
- Soomro, F;
- Souza, D;
- De Paula, B Souza;
- Spaan, B;
- Spradlin, P;
- Sridharan, S;
- Stagni, F;
- Stahl, M;
- Stahl, S;
- Stefkova, S;
- Steinkamp, O;
- Stenyakin, O;
- Stevenson, S;
- Stoica, S;
- Stone, S;
- Storaci, B;
- Stracka, S;
- Straticiuc, M;
- Straumann, U;
- Sun, L;
- Sutcliffe, W;
- Swientek, K;
- Swientek, S;
- Syropoulos, V;
- Szczekowski, M;
- Szumlak, T;
- T’Jampens, S;
- Tayduganov, A;
- Tekampe, T;
- Tellarini, G;
- Teubert, F;
- Thomas, C;
- Thomas, E;
- van Tilburg, J;
- Tisserand, V;
- Tobin, M;
- Tolk, S;
- Tomassetti, L;
- Tonelli, D;
- Topp-Joergensen, S;
- Tournefier, E;
- Tourneur, S;
- Trabelsi, K;
- Traill, M;
- Tran, MT;
- Tresch, M;
- Trisovic, A;
- Tsaregorodtsev, A;
- Tsopelas, P;
- Tuning, N;
- Ukleja, A;
- Ustyuzhanin, A;
- Uwer, U;
- Vacca, C;
- Vagnoni, V;
- Valat, S;
- Valenti, G;
- Vallier, A;
- Gomez, R Vazquez;
- Regueiro, P Vazquez;
- Sierra, C Vázquez;
- Vecchi, S;
- van Veghel, M;
- Velthuis, JJ;
- Veltri, M;
- Veneziano, G;
- Vesterinen, M;
- Viaud, B;
- Vieira, D;
- Diaz, M Vieites;
- Vilasis-Cardona, X;
- Volkov, V;
- Vollhardt, A;
- Voong, D;
- Vorobyev, A;
- Vorobyev, V;
- Voß, C;
- de Vries, JA;
- Waldi, R;
- Wallace, C;
- Wallace, R;
- Walsh, J;
- Wang, J;
- Ward, DR;
- Watson, NK;
- Websdale, D;
- Weiden, A;
- Whitehead, M;
- Wicht, J;
- Wilkinson, G;
- Wilkinson, M;
- Williams, M;
- Williams, MP;
- Williams, M;
- Williams, T;
- Wilson, FF;
- Wimberley, J;
- Wishahi, J;
- Wislicki, W;
- Witek, M;
- Wormser, G;
- Wotton, SA;
- Wraight, K;
- Wright, S;
- Wyllie, K;
- Xie, Y;
- Xu, Z;
- Yang, Z;
- Yin, H;
- Yu, J;
- Yuan, X;
- Yushchenko, O;
- Zangoli, M;
- Zavertyaev, M;
- Zhang, L;
- Zhang, Y;
- Zhelezov, A;
- Zheng, Y;
- Zhokhov, A;
- Zhong, L;
- Zhukov, V;
- Zucchelli, S
- et al.
Published Web Location
http://doi.org/10.1103/PhysRevD.93.092007No data is associated with this publication.
Abstract
A proton-proton collision data sample, corresponding to an integrated luminosity of 3 fb-1 collected by LHCb at s=7 and 8 TeV, is used to reconstruct 63±9 Ωb-→Ωc0π-, Ωc0→pK-K-π+ decays. Using the Ξb-→Ξc0π-, Ξc0→pK-K-π+ decay mode for calibration, the lifetime ratio and the absolute lifetime of the Ωb- baryon are measured to be τΩb-/τΞb-=1.11±0.16±0.03, τΩb-=1.78±0.26±0.05±0.06 ps, where the uncertainties are statistical, systematic and from the calibration mode (for τΩb- only). A measurement is also made of the mass difference, mΩb - mΞb-, and the corresponding Ωb- mass, which yields mΩb - mΞb-=247.4±3.2±0.5 MeV/c2, mΩb-=6045.1±3.2±0.5±0.6 MeV/c2. These results are consistent with previous measurements.