Standard

Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays. / Aaij, R.; Adeva, B.; Adinolfi, M. et al.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 769, 10.06.2017, p. 305-313.

Research output: Contribution to journal › Article › peer-review

Harvard

Aaij, R, Adeva, B, Adinolfi, M, Ajaltouni, Z, Akar, S, Albrecht, J, Alessio, F, Alexander, M, Ali, S, Alkhazov, G, Alvarez Cartelle, P, Alves, AA, Amato, S, Amerio, S, Amhis, Y, An, L, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, JE, Appleby, RB, Aquines Gutierrez, O, Archilli, F, d'Argent, P, Arnau Romeu, J, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Baalouch, M, Babuschkin, I, Bachmann, S, Back, JJ, Badalov, A, Baesso, C, Baldini, W, Barlow, RJ, Barschel, C, Barsuk, S, Barter, W, Batozskaya, V, Batsukh, B, Battista, V, Bay, A, Beaucourt, L, Beddow, J, Bedeschi, F, Bediaga, I, Bel, LJ, Bellee, V, Belloli, N, Belous, K, Belyaev, I, Ben-Haim, E, Bencivenni, G, Benson, S, Benton, J, Berezhnoy, A, Bernet, R, Bertolin, A, Betti, F, Bettler, MO, van Beuzekom, M, Bifani, S, Billoir, P, Bird, T, Birnkraut, A, Bitadze, A, Bizzeti, A, Blake, T, Blanc, F, Blouw, J, Blusk, S, Bocci, V, Boettcher, T, Bondar, A, Bondar, N, Bonivento, W, Borgheresi, A, Borghi, S, Borisyak, M, Borsato, M, Bossu, F, 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, Calvo Gomez, M, Campana, P, Campora Perez, D, Capriotti, L, Carbone, A, Carboni, G, Cardinale, R, Cardini, A, Carniti, P, Carson, L, Carvalho Akiba, K, Casse, G, Cassina, L, Castillo Garcia, L, Cattaneo, M, Cauet, C, Cavallero, G, Cenci, R, Charles, M, Charpentier, P, Chatzikonstantinidis, G, Chefdeville, M, Chen, S, Cheung, SF, Chobanova, V, Chrzaszcz, M, Cid Vidal, X, 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, Costa Sobral, CM, Couturier, B, Cowan, GA, Craik, DC, Crocombe, A, Cruz Torres, M, 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, CT, Decamp, D, Deckenhoff, M, Del Buono, L, Demmer, M, Derkach, D, Deschamps, O, Dettori, F, Dey, B, Di Canto, A, Dijkstra, H, Dordei, F, Dorigo, M, Dosil Suárez, A, Dovbnya, A, Dreimanis, K, Dufour, L, Dujany, G, Dungs, K, Durante, P, Dzhelyadin, R, Dziurda, A, Dzyuba, A, Déléage, N, Easo, S, Egede, U, Egorychev, V, Eidelman, S, Eisenhardt, S, Eitschberger, U, Ekelhof, R, Eklund, L, Elsasser, C, Ely, S, Esen, S, Evans, HM, Evans, T, Falabella, A, Farley, N, Farry, S, Fay, R, Fazzini, D, Ferguson, D, Fernandez Albor, V, Ferrari, F, Ferreira Rodrigues, F, 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, Franco Lima, V, Frank, M, Frei, C, Fu, J, Furfaro, E, Färber, C, Gallas Torreira, A, Galli, D, Gallorini, S, Gambetta, S, Gandelman, M, Gandini, P, Gao, Y, García Pardiñas, J, Garra Tico, J, Garrido, L, Garsed, PJ, Gascon, D, Gaspar, C, Gavardi, L, Gazzoni, G, Gerick, D, Gersabeck, E, Gersabeck, M, Gershon, T, Ghez, P, Gianì, S, Gibson, V, Girard, OG, Giubega, L, Gizdov, K, Gligorov, VV, Golubkov, D, Golutvin, A, Gomes, A, Gorelov, IV, Gotti, C, Grabalosa Gándara, M, Graciani Diaz, R, Granado Cardoso, LA, Graugés, E, Graverini, E, Graziani, G, Grecu, A, Griffith, P, Grillo, L, Gruberg Cazon, BR, Grünberg, O, Gushchin, E, Guz, Y, Gys, T, Göbel, C, 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, Hatch, M, He, J, Head, T, Heister, A, Hennessy, K, Henrard, P, Henry, L, Hernando Morata, JA, van Herwijnen, E, Heß, M, Hicheur, A, Hill, D, Hombach, C, 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, Kariuki, JM, Karodia, S, Kecke, M, Kelsey, M, Kenyon, IR, Kenzie, M, Ketel, T, Khairullin, E, Khanji, B, Khurewathanakul, C, Kirn, T, Klaver, S, Klimaszewski, K, Koliiev, S, Kolpin, M, Komarov, I, Koopman, RF, Koppenburg, P, Kozachuk, A, 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, JP, Leflat, A, Lefrançois, J, Lefèvre, R, Lemaitre, F, Lemos Cid, E, 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, Lucio Martinez, M, Luo, H, Lupato, A, Luppi, E, Lupton, O, Lusiani, A, Lyu, X, Machefert, F, Maciuc, F, Maev, O, Maguire, K, Malde, S, Malinin, A, Maltsev, T, Manca, G, Mancinelli, G, Manning, P, Maratas, J, Marchand, JF, Marconi, U, Marin Benito, C, Marino, P, Marks, J, Martellotti, G, Martin, M, Martinelli, M, Martinez Santos, D, Martinez Vidal, F, Martins Tostes, D, 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, MN, Mitzel, DS, Molina Rodriguez, J, Monroy, IA, Monteil, S, Morandin, M, Morawski, P, Mordà, A, Morello, MJ, Moron, J, Morris, AB, Mountain, R, Muheim, F, Mulder, M, Mussini, M, Müller, D, Müller, J, Müller, K, Müller, V, 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, Nieswand, S, Niet, R, Nikitin, N, Nikodem, T, Novoselov, A, O'Hanlon, DP, Oblakowska-Mucha, A, Obraztsov, V, Ogilvy, S, Oldeman, R, Onderwater, CJG, Otalora Goicochea, JM, Otto, A, Owen, P, Oyanguren, A, Pais, PR, 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, Pepe Altarelli, M, Perazzini, S, Perret, P, Pescatore, L, Petridis, K, Petrolini, A, Petrov, A, Petruzzo, M, Picatoste Olloqui, E, Pietrzyk, B, Pikies, M, Pinci, D, Pistone, A, Piucci, A, Playfer, S, Plo Casasus, M, Poikela, T, Polci, F, Poluektov, A, Polyakov, I, Polycarpo, E, Pomery, GJ, Popov, A, Popov, D, Popovici, B, Potterat, C, Price, E, Price, JD, Prisciandaro, J, Pritchard, A, Prouve, C, Pugatch, V, Puig Navarro, A, Punzi, G, Qian, W, Quagliani, R, Rachwal, B, Rademacker, JH, Rama, M, Ramos Pernas, M, Rangel, MS, Raniuk, I, Raven, G, Redi, F, Reichert, S, dos Reis, AC, Remon Alepuz, C, Renaudin, V, Ricciardi, S, Richards, S, Rihl, M, Rinnert, K, Rives Molina, V, Robbe, P, Rodrigues, AB, Rodrigues, E, Rodriguez Lopez, JA, Rodriguez Perez, P, Rogozhnikov, A, Roiser, S, Romanovskiy, V, Romero Vidal, A, Ronayne, JW, Rotondo, M, Rudolph, MS, Ruf, T, Ruiz Valls, P, Saborido Silva, JJ, Sadykhov, E, Sagidova, N, Saitta, B, Salustino Guimaraes, V, Sanchez Mayordomo, C, Sanmartin Sedes, B, Santacesaria, R, Santamarina Rios, C, Santimaria, M, Santovetti, E, Sarti, A, Satriano, C, Satta, A, Saunders, DM, Savrina, D, Schael, S, Schellenberg, M, Schiller, M, Schindler, H, Schlupp, M, Schmelling, M, Schmelzer, T, Schmidt, B, Schneider, O, Schopper, A, Schubert, K, Schubiger, M, Schune, MH, 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, Silva Coutinho, R, Silva de Oliveira, L, Simi, G, Sirendi, M, Skidmore, N, Skwarnicki, T, Smith, E, Smith, IT, Smith, J, Smith, M, Snoek, H, Sokoloff, MD, Soler, FJP, Souza, D, Souza De Paula, B, Spaan, B, Spradlin, P, Sridharan, S, Stagni, F, Stahl, M, Stahl, S, Stefko, P, Stefkova, S, Steinkamp, O, Stemmle, S, Stenyakin, O, Stevenson, S, Stoica, S, Stone, S, Storaci, B, Stracka, S, Straticiuc, M, Straumann, U, Sun, L, Sutcliffe, W, Swientek, K, 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, Toriello, F, Tournefier, E, Tourneur, S, Trabelsi, K, Traill, M, Tran, MT, Tresch, M, Trisovic, A, Tsaregorodtsev, A, Tsopelas, P, Tully, A, Tuning, N, Ukleja, A, Ustyuzhanin, A, Uwer, U, Vacca, C, Vagnoni, V, Valat, S, Valenti, G, Vallier, A, Vazquez Gomez, R, Vazquez Regueiro, P, Vecchi, S, van Veghel, M, Velthuis, JJ, Veltri, M, Veneziano, G, Venkateswaran, A, Vernet, M, Vesterinen, M, Viaud, B, Vieira, D, Vieites Diaz, M, Vilasis-Cardona, X, Volkov, V, Vollhardt, A, Voneki, B, Voong, D, Vorobyev, A, Vorobyev, V, Voß, C, de Vries, JA, Vázquez Sierra, C, Waldi, R, Wallace, C, Wallace, R, Walsh, J, Wang, J, Ward, DR, Wark, HM, 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, Winn, M, Wishahi, J, Wislicki, W, Witek, M, Wormser, G, Wotton, SA, Wraight, K, Wright, S, Wyllie, K, Xie, Y, Xing, Z, Xu, Z, Yang, Z, Yin, H, Yu, J, Yuan, X, Yushchenko, O, Zangoli, M, Zarebski, KA, Zavertyaev, M, Zhang, L, Zhang, Y, Zhang, Y, Zhelezov, A, Zheng, Y, Zhokhov, A, Zhukov, V & Zucchelli, S 2017, 'Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 769, pp. 305-313. https://doi.org/10.1016/j.physletb.2017.03.046

APA

Aaij, R., Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Alvarez Cartelle, P., Alves, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., ... Zucchelli, S. (2017). Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 769, 305-313. https://doi.org/10.1016/j.physletb.2017.03.046

Vancouver

Aaij R, Adeva B, Adinolfi M, Ajaltouni Z, Akar S, Albrecht J et al. Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2017 Jun 10;769:305-313. doi: 10.1016/j.physletb.2017.03.046

Author

Aaij, R. ; Adeva, B. ; Adinolfi, M. et al. / Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2017 ; Vol. 769. pp. 305-313.

BibTeX

@article{edc6d441306b4339a54c58f2766f93b4,
title = "Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays",
abstract = "The first observation of the decay eta(c)(2S) -> p (p) over bar is reported using proton -proton collision data corresponding to an integrated luminosity of 3.0 fb(-1) recorded by the LHCb experiment at centre -of -mass energies of 7 and 8 TeV. The eta c(2S) resonance is produced in the decay B+ [c (c) over bar ]K+. The product of branching fractions normalised to that for the intermediate state, R-eta c,(2s), is measured to beR-eta c,(2s) equivalent to B(B+-> eta c (2S)K+) x B(eta c(2s)(2S) -> p )/B(B+ -> J/psi k(+)) x B(J/psi -> p ) = (1.58 +/- 0.33 +/- 0.09) x 10(-2),where the first uncertainty is statistical and the second systematic. No signals for the decays B+ -> X(3872)(-> p (p) over bar )K+ and B+ psi(3770)(-> p (p) over bar )K+ are seen, and the 95% confidence level upper limits on their relative branching ratios are found to be R-x(3872) <0.25 x 10(-2) and R-psi(3770) <0.10. In addition, the mass differences between the nc(1S) and the J/psi states, between the eta(c)(2S) and the eta(c)(2S) states, and the natural width of the psi(1S) are measured asM-J/psi - M-eta c(7s)= 110.2 +/- 0.5 +/- 0.9 MeV,M psi(2S) - M-eta c (2S) = 52.5 +/- 1.7 +/- 0.6MeV, Gamma(eta c) (1s) = 34.0 +/- 1.9 +/- 1.3 MeV.(C) 2017 Published by Elsevier B.V.",
keywords = "TOOL",
author = "R. Aaij and B. Adeva and M. Adinolfi and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and M. Alexander and S. Ali and G. Alkhazov and {Alvarez Cartelle}, P. and Alves, {A. A.} and S. Amato and S. Amerio and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and Andrews, {J. E.} and Appleby, {R. B.} and {Aquines Gutierrez}, O. and F. Archilli and P. d'Argent and {Arnau Romeu}, J. and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and M. Baalouch and I. Babuschkin and S. Bachmann and Back, {J. J.} and A. Badalov and C. Baesso and W. Baldini and Barlow, {R. J.} and C. Barschel and S. Barsuk and W. Barter and V. Batozskaya and B. Batsukh and V. Battista and A. Bay and L. Beaucourt and J. Beddow and F. Bedeschi and I. Bediaga and Bel, {L. J.} and V. Bellee and N. Belloli and K. Belous and I. Belyaev and E. Ben-Haim and G. Bencivenni and S. Benson and J. Benton and A. Berezhnoy and R. Bernet and A. Bertolin and F. Betti and Bettler, {M. O.} and {van Beuzekom}, M. and S. Bifani and P. Billoir and T. Bird and A. Birnkraut and A. Bitadze and A. Bizzeti and T. Blake and F. Blanc and J. Blouw and S. Blusk and V. Bocci and T. Boettcher and A. Bondar and N. Bondar and W. Bonivento and A. Borgheresi and S. Borghi and M. Borisyak and M. Borsato and F. Bossu and M. Boubdir and Bowcock, {T. J.V.} and E. Bowen and C. Bozzi and S. Braun and M. Britsch and T. Britton and J. Brodzicka and E. Buchanan and C. Burr and A. Bursche and J. Buytaert and S. Cadeddu and R. Calabrese and M. Calvi and {Calvo Gomez}, M. and P. Campana and {Campora Perez}, D. and L. Capriotti and A. Carbone and G. Carboni and R. Cardinale and A. Cardini and P. Carniti and L. Carson and {Carvalho Akiba}, K. and G. Casse and L. Cassina and {Castillo Garcia}, L. and M. Cattaneo and Ch Cauet and G. Cavallero and R. Cenci and M. Charles and Ph Charpentier and G. Chatzikonstantinidis and M. Chefdeville and S. Chen and Cheung, {S. F.} and V. Chobanova and M. Chrzaszcz and {Cid Vidal}, X. and G. Ciezarek and Clarke, {P. E.L.} and M. Clemencic and Cliff, {H. V.} and J. Closier and V. Coco and J. Cogan and E. Cogneras and V. Cogoni and L. Cojocariu and G. Collazuol and P. Collins and A. Comerma-Montells and A. Contu and A. Cook and S. Coquereau and G. Corti and M. Corvo and {Costa Sobral}, {C. M.} and B. Couturier and Cowan, {G. A.} and Craik, {D. C.} and A. Crocombe and {Cruz Torres}, M. and S. Cunliffe and R. Currie and C. D'Ambrosio and E. Dall'Occo and J. Dalseno and David, {P. N.Y.} and A. Davis and {De Aguiar Francisco}, O. and {De Bruyn}, K. and {De Capua}, S. and {De Cian}, M. and {De Miranda}, {J. M.} and {De Paula}, L. and {De Simone}, P. and Dean, {C. T.} and D. Decamp and M. Deckenhoff and {Del Buono}, L. and M. Demmer and D. Derkach and O. Deschamps and F. Dettori and B. Dey and {Di Canto}, A. and H. Dijkstra and F. Dordei and M. Dorigo and {Dosil Su{\'a}rez}, A. and A. Dovbnya and K. Dreimanis and L. Dufour and G. Dujany and K. Dungs and P. Durante and R. Dzhelyadin and A. Dziurda and A. Dzyuba and N. D{\'e}l{\'e}age and S. Easo and U. Egede and V. Egorychev and S. Eidelman and S. Eisenhardt and U. Eitschberger and R. Ekelhof and L. Eklund and Ch Elsasser and S. Ely and S. Esen and Evans, {H. M.} and T. Evans and A. Falabella and N. Farley and S. Farry and R. Fay and D. Fazzini and D. Ferguson and {Fernandez Albor}, V. and F. Ferrari and {Ferreira Rodrigues}, F. and M. Ferro-Luzzi and S. Filippov and M. Fiore and M. Fiorini and M. Firlej and C. Fitzpatrick and T. Fiutowski and F. Fleuret and K. Fohl and M. Fontana and F. Fontanelli and Forshaw, {D. C.} and R. Forty and {Franco Lima}, V. and M. Frank and C. Frei and J. Fu and E. Furfaro and C. F{\"a}rber and {Gallas Torreira}, A. and D. Galli and S. Gallorini and S. Gambetta and M. Gandelman and P. Gandini and Y. Gao and {Garc{\'i}a Pardi{\~n}as}, J. and {Garra Tico}, J. and L. Garrido and Garsed, {P. J.} and D. Gascon and C. Gaspar and L. Gavardi and G. Gazzoni and D. Gerick and E. Gersabeck and M. Gersabeck and T. Gershon and Ph Ghez and S. Gian{\`i} and V. Gibson and Girard, {O. G.} and L. Giubega and K. Gizdov and Gligorov, {V. V.} and D. Golubkov and A. Golutvin and A. Gomes and Gorelov, {I. V.} and C. Gotti and {Grabalosa G{\'a}ndara}, M. and {Graciani Diaz}, R. and {Granado Cardoso}, {L. A.} and E. Graug{\'e}s and E. Graverini and G. Graziani and A. Grecu and P. Griffith and L. Grillo and {Gruberg Cazon}, {B. R.} and O. Gr{\"u}nberg and E. Gushchin and Yu Guz and T. Gys and C. G{\"o}bel and T. Hadavizadeh and C. Hadjivasiliou and G. Haefeli and C. Haen and Haines, {S. C.} and S. Hall and B. Hamilton and X. Han and S. Hansmann-Menzemer and N. Harnew and Harnew, {S. T.} and J. Harrison and M. Hatch and J. He and T. Head and A. Heister and K. Hennessy and P. Henrard and L. Henry and {Hernando Morata}, {J. A.} and {van Herwijnen}, E. and M. He{\ss} and A. Hicheur and D. Hill and C. Hombach and W. Hulsbergen and T. Humair and M. Hushchyn and N. Hussain and D. Hutchcroft and M. Idzik and P. Ilten and R. Jacobsson and A. Jaeger and J. Jalocha and E. Jans and A. Jawahery and M. John and D. Johnson and Jones, {C. R.} and C. Joram and B. Jost and N. Jurik and S. Kandybei and W. Kanso and M. Karacson and Kariuki, {J. M.} and S. Karodia and M. Kecke and M. Kelsey and Kenyon, {I. R.} and M. Kenzie and T. Ketel and E. Khairullin and B. Khanji and C. Khurewathanakul and T. Kirn and S. Klaver and K. Klimaszewski and S. Koliiev and M. Kolpin and I. Komarov and Koopman, {R. F.} and P. Koppenburg and A. Kozachuk and M. Kozeiha and L. Kravchuk and K. Kreplin and M. Kreps and P. Krokovny and F. Kruse and W. Krzemien and W. Kucewicz and M. Kucharczyk and V. Kudryavtsev and Kuonen, {A. K.} and K. Kurek and T. Kvaratskheliya and D. Lacarrere and G. Lafferty and A. Lai and D. Lambert and G. Lanfranchi and C. Langenbruch and B. Langhans and T. Latham and C. Lazzeroni and {Le Gac}, R. and {van Leerdam}, J. and Lees, {J. P.} and A. Leflat and J. Lefran{\c c}ois and R. Lef{\`e}vre and F. Lemaitre and {Lemos Cid}, E. and O. Leroy and T. Lesiak and B. Leverington and Y. Li and T. Likhomanenko and R. Lindner and C. Linn and F. Lionetto and B. Liu and X. Liu and D. Loh and I. Longstaff and Lopes, {J. H.} and D. Lucchesi and {Lucio Martinez}, M. and H. Luo and A. Lupato and E. Luppi and O. Lupton and A. Lusiani and X. Lyu and F. Machefert and F. Maciuc and O. Maev and K. Maguire and S. Malde and A. Malinin and T. Maltsev and G. Manca and G. Mancinelli and P. Manning and J. Maratas and Marchand, {J. F.} and U. Marconi and {Marin Benito}, C. and P. Marino and J. Marks and G. Martellotti and M. Martin and M. Martinelli and {Martinez Santos}, D. and {Martinez Vidal}, F. and {Martins Tostes}, D. and Massacrier, {L. M.} and A. Massafferri and R. Matev and A. Mathad and Z. Mathe and C. Matteuzzi and A. Mauri and B. Maurin and A. Mazurov and M. McCann and J. McCarthy and A. McNab and R. McNulty and B. Meadows and F. Meier and M. Meissner and D. Melnychuk and M. Merk and A. Merli and E. Michielin and Milanes, {D. A.} and Minard, {M. N.} and Mitzel, {D. S.} and {Molina Rodriguez}, J. and Monroy, {I. A.} and S. Monteil and M. Morandin and P. Morawski and A. Mord{\`a} and Morello, {M. J.} and J. Moron and Morris, {A. B.} and R. Mountain and F. Muheim and M. Mulder and M. Mussini and D. M{\"u}ller and J. M{\"u}ller and K. M{\"u}ller and V. M{\"u}ller and P. Naik and T. Nakada and R. Nandakumar and A. Nandi and I. Nasteva and M. Needham and N. Neri and S. Neubert and N. Neufeld and M. Neuner and Nguyen, {A. D.} and C. Nguyen-Mau and S. Nieswand and R. Niet and N. Nikitin and T. Nikodem and A. Novoselov and O'Hanlon, {D. P.} and A. Oblakowska-Mucha and V. Obraztsov and S. Ogilvy and R. Oldeman and Onderwater, {C. J.G.} and {Otalora Goicochea}, {J. M.} and A. Otto and P. Owen and A. Oyanguren and Pais, {P. R.} and A. Palano and F. Palombo and M. Palutan and J. Panman and A. Papanestis and M. Pappagallo and Pappalardo, {L. L.} and C. Pappenheimer and W. Parker and C. Parkes and G. Passaleva and Patel, {G. D.} and M. Patel and C. Patrignani and A. Pearce and A. Pellegrino and G. Penso and {Pepe Altarelli}, M. and S. Perazzini and P. Perret and L. Pescatore and K. Petridis and A. Petrolini and A. Petrov and M. Petruzzo and {Picatoste Olloqui}, E. and B. Pietrzyk and M. Pikies and D. Pinci and A. Pistone and A. Piucci and S. Playfer and {Plo Casasus}, M. and T. Poikela and F. Polci and A. Poluektov and I. Polyakov and E. Polycarpo and Pomery, {G. J.} and A. Popov and D. Popov and B. Popovici and C. Potterat and E. Price and Price, {J. D.} and J. Prisciandaro and A. Pritchard and C. Prouve and V. Pugatch and {Puig Navarro}, A. and G. Punzi and W. Qian and R. Quagliani and B. Rachwal and Rademacker, {J. H.} and M. Rama and {Ramos Pernas}, M. and Rangel, {M. S.} and I. Raniuk and G. Raven and F. Redi and S. Reichert and {dos Reis}, {A. C.} and {Remon Alepuz}, C. and V. Renaudin and S. Ricciardi and S. Richards and M. Rihl and K. Rinnert and {Rives Molina}, V. and P. Robbe and Rodrigues, {A. B.} and E. Rodrigues and {Rodriguez Lopez}, {J. A.} and {Rodriguez Perez}, P. and A. Rogozhnikov and S. Roiser and V. Romanovskiy and {Romero Vidal}, A. and Ronayne, {J. W.} and M. Rotondo and Rudolph, {M. S.} and T. Ruf and {Ruiz Valls}, P. and {Saborido Silva}, {J. J.} and E. Sadykhov and N. Sagidova and B. Saitta and {Salustino Guimaraes}, V. and {Sanchez Mayordomo}, C. and {Sanmartin Sedes}, B. and R. Santacesaria and {Santamarina Rios}, C. and M. Santimaria and E. Santovetti and A. Sarti and C. Satriano and A. Satta and Saunders, {D. M.} and D. Savrina and S. Schael and M. Schellenberg and M. Schiller and H. Schindler and M. Schlupp and M. Schmelling and T. Schmelzer and B. Schmidt and O. Schneider and A. Schopper and K. Schubert and M. Schubiger and Schune, {M. H.} and R. Schwemmer and B. Sciascia and A. Sciubba and A. Semennikov and A. Sergi and N. Serra and J. Serrano and L. Sestini and P. Seyfert and M. Shapkin and I. Shapoval and Y. Shcheglov and T. Shears and L. Shekhtman and V. Shevchenko and A. Shires and Siddi, {B. G.} and {Silva Coutinho}, R. and {Silva de Oliveira}, L. and G. Simi and M. Sirendi and N. Skidmore and T. Skwarnicki and E. Smith and Smith, {I. T.} and J. Smith and M. Smith and H. Snoek and Sokoloff, {M. D.} and Soler, {F. J.P.} and D. Souza and {Souza De Paula}, B. and B. Spaan and P. Spradlin and S. Sridharan and F. Stagni and M. Stahl and S. Stahl and P. Stefko and S. Stefkova and O. Steinkamp and S. Stemmle and O. Stenyakin and S. Stevenson and S. Stoica and S. Stone and B. Storaci and S. Stracka and M. Straticiuc and U. Straumann and L. Sun and W. Sutcliffe and K. Swientek and V. Syropoulos and M. Szczekowski and T. Szumlak and S. T'Jampens and A. Tayduganov and T. Tekampe and G. Tellarini and F. Teubert and C. Thomas and E. Thomas and {van Tilburg}, J. and V. Tisserand and M. Tobin and S. Tolk and L. Tomassetti and D. Tonelli and S. Topp-Joergensen and F. Toriello and E. Tournefier and S. Tourneur and K. Trabelsi and M. Traill and Tran, {M. T.} and M. Tresch and A. Trisovic and A. Tsaregorodtsev and P. Tsopelas and A. Tully and N. Tuning and A. Ukleja and A. Ustyuzhanin and U. Uwer and C. Vacca and V. Vagnoni and S. Valat and G. Valenti and A. Vallier and {Vazquez Gomez}, R. and {Vazquez Regueiro}, P. and S. Vecchi and {van Veghel}, M. and Velthuis, {J. J.} and M. Veltri and G. Veneziano and A. Venkateswaran and M. Vernet and M. Vesterinen and B. Viaud and D. Vieira and {Vieites Diaz}, M. and X. Vilasis-Cardona and V. Volkov and A. Vollhardt and B. Voneki and D. Voong and A. Vorobyev and V. Vorobyev and C. Vo{\ss} and {de Vries}, {J. A.} and {V{\'a}zquez Sierra}, C. and R. Waldi and C. Wallace and R. Wallace and J. Walsh and J. Wang and Ward, {D. R.} and Wark, {H. M.} and Watson, {N. K.} and D. Websdale and A. Weiden and M. Whitehead and J. Wicht and G. Wilkinson and M. Wilkinson and M. Williams and Williams, {M. P.} and M. Williams and T. Williams and Wilson, {F. F.} and J. Wimberley and M. Winn and J. Wishahi and W. Wislicki and M. Witek and G. Wormser and Wotton, {S. A.} and K. Wraight and S. Wright and K. Wyllie and Y. Xie and Z. Xing and Z. Xu and Z. Yang and H. Yin and J. Yu and X. Yuan and O. Yushchenko and M. Zangoli and Zarebski, {K. A.} and M. Zavertyaev and L. Zhang and Y. Zhang and Y. Zhang and A. Zhelezov and Y. Zheng and A. Zhokhov and V. Zhukov and S. Zucchelli",
year = "2017",
month = jun,
day = "10",
doi = "10.1016/j.physletb.2017.03.046",
language = "English",
volume = "769",
pages = "305--313",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Observation of ηc(2S)→pp¯ and search for X(3872)→pp¯ decays

AU - Aaij, R.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

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AU - Alvarez Cartelle, P.

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AU - Eitschberger, U.

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AU - García Pardiñas, J.

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AU - Gascon, D.

AU - Gaspar, C.

AU - Gavardi, L.

AU - Gazzoni, G.

AU - Gerick, D.

AU - Gersabeck, E.

AU - Gersabeck, M.

AU - Gershon, T.

AU - Ghez, Ph

AU - Gianì, S.

AU - Gibson, V.

AU - Girard, O. G.

AU - Giubega, L.

AU - Gizdov, K.

AU - Gligorov, V. V.

AU - Golubkov, D.

AU - Golutvin, A.

AU - Gomes, A.

AU - Gorelov, I. V.

AU - Gotti, C.

AU - Grabalosa Gándara, M.

AU - Graciani Diaz, R.

AU - Granado Cardoso, L. A.

AU - Graugés, E.

AU - Graverini, E.

AU - Graziani, G.

AU - Grecu, A.

AU - Griffith, P.

AU - Grillo, L.

AU - Gruberg Cazon, B. R.

AU - Grünberg, O.

AU - Gushchin, E.

AU - Guz, Yu

AU - Gys, T.

AU - Göbel, C.

AU - Hadavizadeh, T.

AU - Hadjivasiliou, C.

AU - Haefeli, G.

AU - Haen, C.

AU - Haines, S. C.

AU - Hall, S.

AU - Hamilton, B.

AU - Han, X.

AU - Hansmann-Menzemer, S.

AU - Harnew, N.

AU - Harnew, S. T.

AU - Harrison, J.

AU - Hatch, M.

AU - He, J.

AU - Head, T.

AU - Heister, A.

AU - Hennessy, K.

AU - Henrard, P.

AU - Henry, L.

AU - Hernando Morata, J. A.

AU - van Herwijnen, E.

AU - Heß, M.

AU - Hicheur, A.

AU - Hill, D.

AU - Hombach, C.

AU - Hulsbergen, W.

AU - Humair, T.

AU - Hushchyn, M.

AU - Hussain, N.

AU - Hutchcroft, D.

AU - Idzik, M.

AU - Ilten, P.

AU - Jacobsson, R.

AU - Jaeger, A.

AU - Jalocha, J.

AU - Jans, E.

AU - Jawahery, A.

AU - John, M.

AU - Johnson, D.

AU - Jones, C. R.

AU - Joram, C.

AU - Jost, B.

AU - Jurik, N.

AU - Kandybei, S.

AU - Kanso, W.

AU - Karacson, M.

AU - Kariuki, J. M.

AU - Karodia, S.

AU - Kecke, M.

AU - Kelsey, M.

AU - Kenyon, I. R.

AU - Kenzie, M.

AU - Ketel, T.

AU - Khairullin, E.

AU - Khanji, B.

AU - Khurewathanakul, C.

AU - Kirn, T.

AU - Klaver, S.

AU - Klimaszewski, K.

AU - Koliiev, S.

AU - Kolpin, M.

AU - Komarov, I.

AU - Koopman, R. F.

AU - Koppenburg, P.

AU - Kozachuk, A.

AU - Kozeiha, M.

AU - Kravchuk, L.

AU - Kreplin, K.

AU - Kreps, M.

AU - Krokovny, P.

AU - Kruse, F.

AU - Krzemien, W.

AU - Kucewicz, W.

AU - Kucharczyk, M.

AU - Kudryavtsev, V.

AU - Kuonen, A. K.

AU - Kurek, K.

AU - Kvaratskheliya, T.

AU - Lacarrere, D.

AU - Lafferty, G.

AU - Lai, A.

AU - Lambert, D.

AU - Lanfranchi, G.

AU - Langenbruch, C.

AU - Langhans, B.

AU - Latham, T.

AU - Lazzeroni, C.

AU - Le Gac, R.

AU - van Leerdam, J.

AU - Lees, J. P.

AU - Leflat, A.

AU - Lefrançois, J.

AU - Lefèvre, R.

AU - Lemaitre, F.

AU - Lemos Cid, E.

AU - Leroy, O.

AU - Lesiak, T.

AU - Leverington, B.

AU - Li, Y.

AU - Likhomanenko, T.

AU - Lindner, R.

AU - Linn, C.

AU - Lionetto, F.

AU - Liu, B.

AU - Liu, X.

AU - Loh, D.

AU - Longstaff, I.

AU - Lopes, J. H.

AU - Lucchesi, D.

AU - Lucio Martinez, M.

AU - Luo, H.

AU - Lupato, A.

AU - Luppi, E.

AU - Lupton, O.

AU - Lusiani, A.

AU - Lyu, X.

AU - Machefert, F.

AU - Maciuc, F.

AU - Maev, O.

AU - Maguire, K.

AU - Malde, S.

AU - Malinin, A.

AU - Maltsev, T.

AU - Manca, G.

AU - Mancinelli, G.

AU - Manning, P.

AU - Maratas, J.

AU - Marchand, J. F.

AU - Marconi, U.

AU - Marin Benito, C.

AU - Marino, P.

AU - Marks, J.

AU - Martellotti, G.

AU - Martin, M.

AU - Martinelli, M.

AU - Martinez Santos, D.

AU - Martinez Vidal, F.

AU - Martins Tostes, D.

AU - Massacrier, L. M.

AU - Massafferri, A.

AU - Matev, R.

AU - Mathad, A.

AU - Mathe, Z.

AU - Matteuzzi, C.

AU - Mauri, A.

AU - Maurin, B.

AU - Mazurov, A.

AU - McCann, M.

AU - McCarthy, J.

AU - McNab, A.

AU - McNulty, R.

AU - Meadows, B.

AU - Meier, F.

AU - Meissner, M.

AU - Melnychuk, D.

AU - Merk, M.

AU - Merli, A.

AU - Michielin, E.

AU - Milanes, D. A.

AU - Minard, M. N.

AU - Mitzel, D. S.

AU - Molina Rodriguez, J.

AU - Monroy, I. A.

AU - Monteil, S.

AU - Morandin, M.

AU - Morawski, P.

AU - Mordà, A.

AU - Morello, M. J.

AU - Moron, J.

AU - Morris, A. B.

AU - Mountain, R.

AU - Muheim, F.

AU - Mulder, M.

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AU - Müller, D.

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AU - Müller, K.

AU - Müller, V.

AU - Naik, P.

AU - Nakada, T.

AU - Nandakumar, R.

AU - Nandi, A.

AU - Nasteva, I.

AU - Needham, M.

AU - Neri, N.

AU - Neubert, S.

AU - Neufeld, N.

AU - Neuner, M.

AU - Nguyen, A. D.

AU - Nguyen-Mau, C.

AU - Nieswand, S.

AU - Niet, R.

AU - Nikitin, N.

AU - Nikodem, T.

AU - Novoselov, A.

AU - O'Hanlon, D. P.

AU - Oblakowska-Mucha, A.

AU - Obraztsov, V.

AU - Ogilvy, S.

AU - Oldeman, R.

AU - Onderwater, C. J.G.

AU - Otalora Goicochea, J. M.

AU - Otto, A.

AU - Owen, P.

AU - Oyanguren, A.

AU - Pais, P. R.

AU - Palano, A.

AU - Palombo, F.

AU - Palutan, M.

AU - Panman, J.

AU - Papanestis, A.

AU - Pappagallo, M.

AU - Pappalardo, L. L.

AU - Pappenheimer, C.

AU - Parker, W.

AU - Parkes, C.

AU - Passaleva, G.

AU - Patel, G. D.

AU - Patel, M.

AU - Patrignani, C.

AU - Pearce, A.

AU - Pellegrino, A.

AU - Penso, G.

AU - Pepe Altarelli, M.

AU - Perazzini, S.

AU - Perret, P.

AU - Pescatore, L.

AU - Petridis, K.

AU - Petrolini, A.

AU - Petrov, A.

AU - Petruzzo, M.

AU - Picatoste Olloqui, E.

AU - Pietrzyk, B.

AU - Pikies, M.

AU - Pinci, D.

AU - Pistone, A.

AU - Piucci, A.

AU - Playfer, S.

AU - Plo Casasus, M.

AU - Poikela, T.

AU - Polci, F.

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PY - 2017/6/10

Y1 - 2017/6/10

N2 - The first observation of the decay eta(c)(2S) -> p (p) over bar is reported using proton -proton collision data corresponding to an integrated luminosity of 3.0 fb(-1) recorded by the LHCb experiment at centre -of -mass energies of 7 and 8 TeV. The eta c(2S) resonance is produced in the decay B+ [c (c) over bar ]K+. The product of branching fractions normalised to that for the intermediate state, R-eta c,(2s), is measured to beR-eta c,(2s) equivalent to B(B+-> eta c (2S)K+) x B(eta c(2s)(2S) -> p )/B(B+ -> J/psi k(+)) x B(J/psi -> p ) = (1.58 +/- 0.33 +/- 0.09) x 10(-2),where the first uncertainty is statistical and the second systematic. No signals for the decays B+ -> X(3872)(-> p (p) over bar )K+ and B+ psi(3770)(-> p (p) over bar )K+ are seen, and the 95% confidence level upper limits on their relative branching ratios are found to be R-x(3872) <0.25 x 10(-2) and R-psi(3770) <0.10. In addition, the mass differences between the nc(1S) and the J/psi states, between the eta(c)(2S) and the eta(c)(2S) states, and the natural width of the psi(1S) are measured asM-J/psi - M-eta c(7s)= 110.2 +/- 0.5 +/- 0.9 MeV,M psi(2S) - M-eta c (2S) = 52.5 +/- 1.7 +/- 0.6MeV, Gamma(eta c) (1s) = 34.0 +/- 1.9 +/- 1.3 MeV.(C) 2017 Published by Elsevier B.V.

AB - The first observation of the decay eta(c)(2S) -> p (p) over bar is reported using proton -proton collision data corresponding to an integrated luminosity of 3.0 fb(-1) recorded by the LHCb experiment at centre -of -mass energies of 7 and 8 TeV. The eta c(2S) resonance is produced in the decay B+ [c (c) over bar ]K+. The product of branching fractions normalised to that for the intermediate state, R-eta c,(2s), is measured to beR-eta c,(2s) equivalent to B(B+-> eta c (2S)K+) x B(eta c(2s)(2S) -> p )/B(B+ -> J/psi k(+)) x B(J/psi -> p ) = (1.58 +/- 0.33 +/- 0.09) x 10(-2),where the first uncertainty is statistical and the second systematic. No signals for the decays B+ -> X(3872)(-> p (p) over bar )K+ and B+ psi(3770)(-> p (p) over bar )K+ are seen, and the 95% confidence level upper limits on their relative branching ratios are found to be R-x(3872) <0.25 x 10(-2) and R-psi(3770) <0.10. In addition, the mass differences between the nc(1S) and the J/psi states, between the eta(c)(2S) and the eta(c)(2S) states, and the natural width of the psi(1S) are measured asM-J/psi - M-eta c(7s)= 110.2 +/- 0.5 +/- 0.9 MeV,M psi(2S) - M-eta c (2S) = 52.5 +/- 1.7 +/- 0.6MeV, Gamma(eta c) (1s) = 34.0 +/- 1.9 +/- 1.3 MeV.(C) 2017 Published by Elsevier B.V.

KW - TOOL

UR - http://www.scopus.com/inward/record.url?scp=85017212461&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2017.03.046

DO - 10.1016/j.physletb.2017.03.046

M3 - Article

AN - SCOPUS:85017212461

VL - 769

SP - 305

EP - 313

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

ER -

ID: 9083081