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“Ion optical calculations for MATS/NUSTAR within the framework of program FRRS ”

“Ion optical calculations for MATS/NUSTAR within the framework of program FRRS ”. Dmitriy Nesterenko, Saint-Petersburg State University FRRS workshop, June 9-10, 2009. What is MATS?.

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“Ion optical calculations for MATS/NUSTAR within the framework of program FRRS ”

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  1. “Ion optical calculations for MATS/NUSTAR within the framework of program FRRS” Dmitriy Nesterenko, Saint-Petersburg State University FRRS workshop, June 9-10, 2009

  2. What is MATS? Precision Measurements of very short-lived nuclei using an Advanced Trapping System for highly-charged ions

  3. MATS setup Detectors: FT-ICR TOF-ICR Si(Li) electron Precision trap: mass measure- Ments Cooler trap: beam preparation Spectroscopy EBIT: charge breeding

  4. Features and advantages of MATS resolving power short-lived ions Design parameters: Relative mass uncertainty 10-9 Accessable half-life 10 ms Overall efficiency 1-5% Maximum resolving power 108 using highly-charged ions (EBIT) high speed of ion passing in the setup MATS will be an advances trapping system for mass spectrometry, laser spectroscopy, and in-trap decay spectroscopy with highly-charged, short-lived ions.

  5. My previous works • Precision mass-spectrometry in the Penning traps • Working on the SHIPTRAP setup SHIPTRAP overview

  6. Tasks cryogenic gas cell 55° dipole magnet • choice of ion-optic elements • choice of arrangement configuration of elements • composition of a calculating program with codes SIMION/COSY • calculations with the program • choice of optimal conditions and parameters for transport of ion beam • composition of technical design for the ion-optical line of beam to the MATS setup RFQ cooler and buncher E ~ 100eV, ∆E ~ 1eV, longitudinal emittance ~ 5 eV ms transversal emittance ~ 10 π mm mrad (at 2.5 keV) -45°/0°/+45° electrostatic switchyard ? LaSpec E ~ 50eV ~3 m MATS

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