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Titolo:
ISOSPIN ANALYSIS OF NONFACTORIZABLE CONTRIBUTIONS TO HADRONIC DECAYS OF CHARM MESONS
Autore:
KATOCH AC; SHARMA KK; VERMA RC;
Indirizzi:
PANJAB UNIV,CTR ADV STUDY PHYS CHANDIGARH 160014 INDIA
Titolo Testata:
Journal of physics. G, Nuclear and particle physics
fascicolo: 7, volume: 23, anno: 1997,
pagine: 807 - 822
SICI:
0954-3899(1997)23:7<807:IAONCT>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
AXIAL-VECTOR MESONS; FAVORED DECAYS; FINAL-STATE; WEAK DECAYS; QUARK-MODEL; PSEUDOSCALAR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
33
Recensione:
Indirizzi per estratti:
Citazione:
A.C. Katoch et al., "ISOSPIN ANALYSIS OF NONFACTORIZABLE CONTRIBUTIONS TO HADRONIC DECAYS OF CHARM MESONS", Journal of physics. G, Nuclear and particle physics, 23(7), 1997, pp. 807-822

Abstract

We investigate non-factorizable contributions to D --> pi (K) over bar/D --> (K) over bar rho/D --> pi (K) over bar/D --> (K) over bar a(1)/D --> pi (K) over bar(1)/D --> n/D --> pi (K) over bar(0)(0) and D --> (K) over bar a(2) decay modes. Obtaining the factorizable contributions from spectator-quark diagrams for N-c = 3, we determine nonfactorizable isospin amplitudes required to explain the data for these modes. We observe that the ratio of these amplitudes seem to follow a universal value for D --> pi (K) over bar/D --> (K) over bar rho/D --> pi (K) over bar/D --> (K) over bar a(1) decay modes. Extending this universality to D --> pi (K) over bar(1)/D --> nR1/D --> pi (K) over bar(0)(0) and D --> (K) over bar a(2) decay modes, we predict the branching ratios for these decay modes.

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Documento generato il 22/09/20 alle ore 20:01:06