6533b7d5fe1ef96bd1264672
RESEARCH PRODUCT
A combination magnetic plus Si(Li)-Si(Li) sum-coincidence technique for in-beam studies of internal pair transitions
M. LuontamaJ. KanteleR. JulinA. Passojasubject
Materials scienceSpectrometerResolution (electron density)DetectorGeneral MedicineAtomic physicsEnergy (signal processing)CoincidenceBeam (structure)Line (formation)description
Abstract An intermediate-image magnetic plus Si(Li) combination pair spectrometer featuring an excellent energy resolution and a pair-line efficiency of 10 −3 , recently presented and demonstrated, has been made more universally applicable by reducing the background underlying the pair lines. The best background reduction is achieved by using two standard Si(Li) detectors and a sum-coincidence method. An experimental coincidence pair-line efficiency of 2.1 × 10 −4 for the 1911 keV E0 pair line in 64 Zn is achieved. In this typical case, the high-energy background (mainly caused by β + activity) is reduced by a factor of about 200 as compared with the direct spectrum of a single detector.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1979-11-01 | Nuclear Instruments and Methods |