5 research outputs found
Study of the decays into and final states
Radiative decays of the meson have been studied using a data sample of
about 19 million decays collected by the CMD-2 detector at VEPP-2M
collider in Novosibirsk. From selected and
events the following model independent results
have been obtained: \par for MeV, \par
.
It is shown that the intermediate mechanism dominates in
the decay and the corresponding branching ratio
is \par . The
systematic error is dominated by the possible model uncertainty. \par Using the
same data sample the upper limit has been obtained for the P- and CP-violating
decay of at 90% CL: \par
>.Comment: 13 pages, 6 figures, Submitted to Phys. Lett.
Physics with the KLOE-2 experiment at the upgraded DANE
Investigation at a --factory can shed light on several debated issues
in particle physics. We discuss: i) recent theoretical development and
experimental progress in kaon physics relevant for the Standard Model tests in
the flavor sector, ii) the sensitivity we can reach in probing CPT and Quantum
Mechanics from time evolution of entangled kaon states, iii) the interest for
improving on the present measurements of non-leptonic and radiative decays of
kaons and eta/eta mesons, iv) the contribution to understand the
nature of light scalar mesons, and v) the opportunity to search for narrow
di-lepton resonances suggested by recent models proposing a hidden dark-matter
sector. We also report on the physics in the continuum with the
measurements of (multi)hadronic cross sections and the study of gamma gamma
processes.Comment: 60 pages, 41 figures; added affiliation for one of the authors; added
reference to section
Structural changes in CЧ-25 cast iron in an amplitude-modulated high-frequency electromagnetic field
Physics with the KLOE-2 experiment at the upgraded DAFNE
Investigation at a φ-factory can shed light on several debated issues in particle physics. We discuss: (i) recent theoretical development and experimental progress in kaon physics relevant for the Standard Model tests in the flavor sector, (ii) the sensitivity we can reach in probing CPT and Quantum Mechanics from time evolution of entangled-kaon states, (iii) the interest for improving on the present measurements of non-leptonic and radiative decays of kaons and η/ η' mesons, (iv) the contribution to understand the nature of light scalar mesons, and (v) the opportunity to search for narrow di-lepton resonances suggested by recent models proposing a hidden dark-matter sector. We also report on the e + e - physics in the continuum with the measurements of (multi)hadronic cross sections and the study of γ γ processes