Transmission efficiency of the recoil mass spectrometer EMMA at TRIUMF

Davids, B.; Esker, N. E.; Jaeyoung, J.; Kim, Y. K.; Pak, K.; Williams, M.

doi:10.1016/j.nima.2026.171295

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Transmission efficiency of the recoil mass spectrometer EMMA at TRIUMF

Davids, B.;
Esker, N. E.;
Jaeyoung, J.;
Kim, Y. K.;
Pak, K.;
외 1명

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초록

The mean transmission efficiency of the EMMA recoil mass spectrometer at TRIUMF has been measured with 6 different angular apertures at 17 kinetic energy/charge deviations with respect to the central, reference trajectory. Measurements performed using a 148Gd α source installed at the target position of the spectrometer are compared to ion-optical calculations and Monte Carlo simulations. The transmission efficiency as a function of angle and kinetic energy/charge is described empirically using piecewise Gaussian functions whose parameters are fit to the data. © 2026

키워드

Recoil mass spectrometer; Transmission efficiency; ISAC-II

제목: Transmission efficiency of the recoil mass spectrometer EMMA at TRIUMF

저자: Davids, B.; Esker, N. E.; Jaeyoung, J.; Kim, Y. K.; Pak, K.; Williams, M.

DOI: 10.1016/j.nima.2026.171295

발행일: 2026-05

유형: Article

저널명: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

권: 1085

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