We study the processes e_e-. K0 SK0 L., K0 SK0 Lp_p-., K0 SK0 Sp_p-., and K0 SK0 SK_K-., where the photon is radiated from the initial state, providing cross section measurements for the hadronic states over a continuum of center- of- mass energies. The results are based on 469 fb- 1 of data collected with the BABAR detector at SLAC. We observe the.d1020_ resonance in the K0 SK0 L final state and measure the product of its electronic width and branching fraction with about 3% uncertainty. We present a measurement of the e_e-. K0 SK0 L cross section in the energy range from 1.06 to 2.2 GeV and observe the production of a resonance at 1.67 GeV. We present the first measurements of the e_e-. K0 SK0 Lp_p-, K0 SK0 Sp_p-, and K0 SK0 SK_K- cross sections and study the intermediate resonance structures. We obtain the first observations of J=. decay to the K0 SK0 Lp_p-, K0 SK0 Sp_p-, and K0 SK0 SK_K- final states.
|Titolo:||Cross sections for the reactions e_e-. K0 SK0 L, K0 SK0 Lp_p-, K0 SK0 Sp_p-, and K0 SK0 SK_K- from events with initial- state radiation|
|Data di pubblicazione:||2014|
|Digital Object Identifier (DOI):||http://dx.doi.org/10.1103/PhysRevD.89.092002|
|Appare nelle tipologie:||1.1 Articolo in rivista|