Using data collected by the high energy photoproduction experiment FOCUS at Fermilab we study the doubly and singly Cabibbo suppressed decays D+ and Ds+→K+π+π -. Our measurements of Γ(D+→K +π+π-)/Γ(D+→K -π+π+) = 0.0065±0.0008±0. 0004 and Γ(Ds+→K+π +π-)/Γ(Ds+→K +K-π+) = 0.127±0.007±0.014 are based on samples of 189±24 D+ and 567±31 D s+ reconstructed events, respectively. We also present Dalitz plot analyses of the two decay channels; the amplitude analysis of the Ds+→K+π+π- mode is performed for the first time.

Link, J., Yager, P., Anjos, J., Bediaga, I., Gobel, C., Machado, A., et al. (2004). Study of the doubly and singly Cabibbo suppressed decays D +→K+π+π- and D s+→K+π+π-. PHYSICS LETTERS. SECTION B, 601(1-2), 10-19 [10.1016/j.physletb.2004.09.022].

Study of the doubly and singly Cabibbo suppressed decays D +→K+π+π- and D s+→K+π+π-

Moroni L;Gianini G;
2004

Abstract

Using data collected by the high energy photoproduction experiment FOCUS at Fermilab we study the doubly and singly Cabibbo suppressed decays D+ and Ds+→K+π+π -. Our measurements of Γ(D+→K +π+π-)/Γ(D+→K -π+π+) = 0.0065±0.0008±0. 0004 and Γ(Ds+→K+π +π-)/Γ(Ds+→K +K-π+) = 0.127±0.007±0.014 are based on samples of 189±24 D+ and 567±31 D s+ reconstructed events, respectively. We also present Dalitz plot analyses of the two decay channels; the amplitude analysis of the Ds+→K+π+π- mode is performed for the first time.
Articolo in rivista - Articolo scientifico
article; energy transfer; information processing; mathematical analysis; measurement; molecular interaction; radiation beam; radioisotope decay
English
2004
601
1-2
10
19
none
Link, J., Yager, P., Anjos, J., Bediaga, I., Gobel, C., Machado, A., et al. (2004). Study of the doubly and singly Cabibbo suppressed decays D +→K+π+π- and D s+→K+π+π-. PHYSICS LETTERS. SECTION B, 601(1-2), 10-19 [10.1016/j.physletb.2004.09.022].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/455492
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