Szczegóły publikacji
Opis bibliograficzny
Measurement of CP violation observables in $D^{+} \to K^{-}K^{+}\pi^{+}$ decays / R. Aaij, [et al.], S. BASHIR, [et al.], S. HASHMI, [et al.], P. KOPCIEWICZ, [et al.], M. W. MAJEWSKI, [et al.], A. OBŁĄKOWSKA-MUCHA, [et al.], J. RYŻKA, [et al.], T. SZUMLAK, [et al.], A. UKLEJA, [et al.] // Physical Review Letters ; ISSN 0031-9007 . — 2024 — vol. 133 iss. 25 art. no. 251801, s. 251801-1–251801-13. — Bibliogr. s. 251801-5–251801-6, Abstr. — Publikacja dostępna online od: 2024-12-16. — P. Kopciewicz - dod. afiliacja: European Organization for Nuclear Research (CERN), Geneva, Switzerland
Autorzy (1133)
Dane bibliometryczne
| ID BaDAP | 158096 |
|---|---|
| Data dodania do BaDAP | 2025-02-11 |
| Tekst źródłowy | URL |
| DOI | 10.1103/PhysRevLett.133.251801 |
| Rok publikacji | 2024 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp | |
| Creative Commons | |
| Czasopismo/seria | Physical Review Letters |
Abstract
A search for violation of the charge-parity (CP) symmetry in the D+→K-K+π+ decay is presented, with proton-proton collision data corresponding to an integrated luminosity of 5.4 fb-1, collected at a center-of-mass energy of 13 TeV with the LHCb detector. A novel model-independent technique is used to compare the D+ and D- phase-space distributions, with instrumental asymmetries subtracted using the Ds+→K-K+π+ decay as a control channel. The p value for the hypothesis of CP conservation is 8.1%. The CP asymmetry observables ACP|Sφπ+=(0.95±0.43stat±0.26syst)×10-3 and ACP|SK̄∗0K+=(-0.26±0.56stat±0.18syst)×10-3 are also measured. These results show no evidence of CP violation and represent the most sensitive search performed through the phase space of a multibody decay.