Determination of B(D(s)+ ---> phi pi+) via observations of D(s)+ ---> phi l+ neutrino

Collaboration
Jul 24, 1990
13 pages
Published in:
  • Phys.Rev.Lett. 65 (1990) 1531-1534
Report number:
  • CLNS-90/1003,
  • CLEO-90-9
Experiments:

Citations per year

19901995200020052009051015
Abstract: (APS)
Using the CLEO detector at the Cornell Electron Storage Ring (CESR), we have determined the ratio Γ(Ds+→φl+ν)/Γ(Ds+ →φπ+)=0.49±0.10−0.14+0.10. We use this measurement to derive B(Ds+→φπ+).
  • electron positron: colliding beams
  • colliding beams: electron positron
  • electron positron: annihilation
  • annihilation: electron positron
  • D/s+: electroproduction
  • electroproduction: D/s+
  • D/s+: semileptonic decay
  • semileptonic decay: D/s+
  • D/s+: nonleptonic decay
  • nonleptonic decay: D/s+