ISSN - 00319007, EISSN - 10797114, Physical Review Letters, 2001, vol. 87, p. 161601/1-161601/6
Observation of B → J/ψK1(1270)
The B → J/ψKππ decay process was studied using the Belle detector at the KEKB asymmetry energy e+e- storage ring. Using a Monte Carlo (MC) simulation, the response of the detector was modeled and acceptances determined.