Maxim A. Kostin

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The DVR3D program suite calculates energy levels, wavefunctions, and where appropriate dipole transition moments, for rotating and vibrating triatomic molecules. Potential energy and, where necessary, dipole surfaces must be provided. Expectation values of geometrically defined functions can be calculated, a feature which is particularly useful for fitting(More)
Details of the analysis of the ηπ − system studied in the reaction π − p → ηπ − p at 18 GeV/c are given. Separate analyses for the 2γ and π + π − π 0 decay modes of the η are presented. An amplitude analysis of the data indicates the presence of interference between the a − 2 (1320) and a J P C = 1 −+ wave between 1.2 and 1.6 GeV/c 2. The phase difference(More)
With a multi-stage collimation system and magnetic iron spoilers in the tunnel, the background particle fluxes on the ILC detector can be substantially reduced. At the same time, beam-halo interactions with collimators and protective masks in the beam delivery system create fluxes of muons and other secondary particles which can still exceed the tolerable(More)
Details of the analysis of the ηπ − system studied in the reaction π − p → ηπ − p at 18 GeV/c are given. Separate analyses for the 2γ and π + π − π 0 decay modes of the η are presented. An amplitude analysis of the data indicates the presence of interference between the a − 2 (1320) and a J P C = 1 −+ wave between 1.2 and 1.6 GeV/c 2. The phase difference(More)
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