The absolute branching ratio of the K+→π+π−π+(γ) decay, inclusive of final-state radiation, has been measured using ∼17 million tagged K+ mesons collected with the KLOE detector at DAΦNE, the Frascati ϕ -factory. The result is: BR(K+→π+π−π+(γ))=0.05565±0.00031stat±0.00025syst a factor ≃ 5 more precise with respect to the previous result. This work completes the program of precision measurements of the dominant kaon branching ratios at KLOE.
Measurement of the absolute branching ratio of the K+ → π+π-π+(γ) decay with the KLOE detector / Babusci, D.; Ceradini, Filippo; DI CICCO, Alessandro; Loffredo, Salvatore; PRADO LONGHI, Ivan. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 738:(2014), pp. 128-133. [10.1016/j.physletb.2014.09.033]
Measurement of the absolute branching ratio of the K+ → π+π-π+(γ) decay with the KLOE detector
LOFFREDO, SALVATORE;
2014
Abstract
The absolute branching ratio of the K+→π+π−π+(γ) decay, inclusive of final-state radiation, has been measured using ∼17 million tagged K+ mesons collected with the KLOE detector at DAΦNE, the Frascati ϕ -factory. The result is: BR(K+→π+π−π+(γ))=0.05565±0.00031stat±0.00025syst a factor ≃ 5 more precise with respect to the previous result. This work completes the program of precision measurements of the dominant kaon branching ratios at KLOE.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
