Using data from the FOCUS (E831) experiment at Fermilab, we present a new measurement for the Cabibbo-suppressed decay mode D-0 -> K(+)K(-)pi(+)pi(-). We measure: Gamma(D-0 -> K(+)K(-)pi(+)pi(-))/Gamma(D-0 -> K(-)pi(-)pi(+)pi(+)) = 0.0295 +/- 0.0011 +/- 0.0008. An amplitude analysis has been performed in order to determine the resonant substructure of this decay mode. The dominant components are the decays D-0 -> K-1(1270)K-+(-), D-0 -> K-1(1400)K-+(-) and D-0 -> p(770)(0)phi(1020).

Study of the D-0 -> K+K-pi(+)pi(-) decay / J.M. Link, P.M. Yager, J.C. Anjos, I. Bediaga, C. Castromonte, A.A. Machado, J. Magnin, A. Massafferi, J.M. de Miranda, I.M. Pepe, E. Polycarpo, A.C. dos Reis, S. Carrillo, E. Casimiro, E. Cuautle, A. Sanchez-Hernandez, C. Uribe, F. Vazquez, L. Agostino, L. Cinquini, J.P. Cumalat, B. O'Reilly, I. Segoni, K. Stenson, J.N. Butler, Falso Cheung, G. Chiodini, I. Gaines, P.H. Garbincius, L.A. Garren, E. Gottschalk, P.H. Kasper, A.E. Kreymer, R. Kutschke, M. Wang, L. Benussi, M. Bertani, S. Bianco, F.L. Fabbri, A. Zallo, M. Reyes, C. Cawlfield, D.Y. Kim, A. Rahimi, J. Wiss, R. Gardner, A. Kryemadhi, Y.S. Chung, J.S. Kang, B.R. Ko, J.W. Kwak, K.B. Lee, K. Cho, H. Park, G. Alimonti, S. Barberis, M. Boschini, A. Cerutti, P. D'Angelo, M. Di Corato, P. Dini, L. Edera, S. Erba, P. Inzani, F. Leveraro, S. Malvezzi, D. Menasce, M. Mezzadri, L. Moroni, D. Pedrini, C. Pontoglio, F. Prelz, M. Rovere, S. Sala, T.F. Davenport, V. Arena, G. Boca, G. Bonomi, G. Gianini, G. Liguori, D.L. Pegna, M.M. Merlo, D. Pantea, S.P. Ratti, C. Riccardi, P. Vitulo, H. Hernandez, A.M. Lopez, H. Mendez, A. Paris, J. Quinones, J.E. Ramirez, Y. Zhang, J.R. Wilson, T. Handler, R. Mitchell, D. Engh, M. Hosack, W.E. Johns, E. Luiggi, J.E. Moore, M. Nehring, P.D. Sheldon, E.W. Vaandering, M. Webster, M. Sheaff. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 610:3-4(2005), pp. 225-234.

Study of the D-0 -> K+K-pi(+)pi(-) decay

F. Leveraro;G. Gianini;
2005

Abstract

Using data from the FOCUS (E831) experiment at Fermilab, we present a new measurement for the Cabibbo-suppressed decay mode D-0 -> K(+)K(-)pi(+)pi(-). We measure: Gamma(D-0 -> K(+)K(-)pi(+)pi(-))/Gamma(D-0 -> K(-)pi(-)pi(+)pi(+)) = 0.0295 +/- 0.0011 +/- 0.0008. An amplitude analysis has been performed in order to determine the resonant substructure of this decay mode. The dominant components are the decays D-0 -> K-1(1270)K-+(-), D-0 -> K-1(1400)K-+(-) and D-0 -> p(770)(0)phi(1020).
Settore INF/01 - Informatica
2005
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/14384
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