An investigation of excited states in32S by the31P(p, γ)32S reaction

Viitasalo, Matti; Forsblom, I.

doi:10.1007/bf01669059

“…The results are summarized in Table 1 and compared to data from [28] and the evaluated nuclear structure data file (ENSDF) [30]. …”

Section: Performance Studymentioning

confidence: 99%

The high-efficiency spectroscopy setup at

Löher¹,

Derya²,

Aumann³

et al. 2013

Nuclear Instruments and Methods in Physics Research Section A:

View full text Add to dashboard Cite

The existing Nuclear Resonance Fluorescence (NRF) setup at the HIγS facility at the Triangle Universities Nuclear Laboratory at Duke University has been extended in order to perform γ-γ coincidence experiments. The new setup combines large volume LaBr 3 :Ce detectors and high resolution HPGe detectors in a very close geometry to offer high efficiency, high energy resolution as well as high count rate capabilities at the same time. The combination of a highly efficient γ-ray spectroscopy setup with the mono-energetic high-intensity photon beam of HIγS provides a worldwide unique experimental facility to investigate the γ-decay pattern of dipole excitations in atomic nuclei. The performance of the new setup has been assessed by studying the nucleus 32 S at 8.125 MeV beam energy. The relative γ-decay branching ratio from the 1 + level at 8125.4 keV to the first excited 2 + state was determined to 15.7(3) %.

show abstract

“…The results are summarized in Table 1 and compared to data from [28] and the evaluated nuclear structure data file (ENSDF) [30]. 1 Value from coincidences between HPGe and LaBr 3 :Ce detectors 2 Value from coincidences between LaBr 3 :Ce detectors 3 Value from HPGe singles 4 Value from LaBr 3 :Ce singles Table 1: Presently determined branching ratios b 0 in 32 S. Compared to values b 0,a from [28] and b 0,b from ENSDF [30]. Only statistical errors are given.…”

Section: Performance Studymentioning

confidence: 99%

The high-efficiency γ-ray spectroscopy setup γ3 at HIγS

Löher,

Derya,

Aumann

et al. 2013

Preprint

0

View full text Add to dashboard Cite

The existing Nuclear Resonance Fluorescence (NRF) setup at the HIγS facility at the Triangle Universities Nuclear Laboratory at Duke University has been extended in order to perform γ-γ coincidence experiments. The new setup combines large volume LaBr 3 :Ce detectors and high resolution HPGe detectors in a very close geometry to offer high efficiency, high energy resolution as well as high count rate capabilities at the same time. The combination of a highly efficient γ-ray spectroscopy setup with the mono-energetic high-intensity photon beam of HIγS provides a worldwide unique experimental facility to investigate the γ-decay pattern of dipole excitations in atomic nuclei. The performance of the new setup has been assessed by studying the nucleus 32 S at 8.125 MeV beam energy. The relative γ-decay branching ratio from the 1 + level at 8125.4 keV to the first excited 2 + state was determined to 15.7(3) %.

show abstract