Rotational and vibrational bands in 108Pd

Abstract

The 108 Pd nucleus has been studied with the 100 Mo( 11 B, p2nγ) reaction at 43 MeV incident energy. γ − γ − t, γ −γ− charged particle coincidences and directional correlation ratios were measured using the γ spectrometer formed by four Compton suppressed HPGe detectors and a 4π charged-particle ancillary detector system. The struture of the bands was interpreted within the framework of the cranked shell model and total Routhian calculations.

High-spin structures inPd108: γ-vibrational band and two-quasineutron excitations

“…The present results can be considered as a completely independent confirmation since they were obtained before that publication. Partial results of the present work have been published in conference proceedings [19], and the level scheme was presented in Ref. [20].…”

“…γ rays and charged particles have been detected using the SACI-PERERE array. SACI [12] (Sistema Ancilar de Cintiladores) is a 4π charged particle telescope system consisting of 11 plastic phoswich scintillators, arranged in the geometry of a dodecahedron. Each telescope consists of a 0.1 mm thick fast scintillation (BC400, 2.4 ns) E detector bonded to a 10 mm thick long decay time (BC444, 264 ns) E detector.…”

Yield ratios in particle-gamma coincidence as a spectroscopic tool

“…Perere (Pequeno Espectrômetro de Radiação Eletromagnética com Rejeição de Espalhamento) is the γ−ray spectrometer consisting of 4 HPGe detectors with BGO Compton-shields. The two fusion reactions were performed mainly for nuclear structure studies, with special interest in the nuclei: 105 Rh [4], 108 Pd [5] and 60,61 Ni [6]. γγ and γ-particle matrices in coincidence with protons and α−particles detected at forward (0 • ), middle (63 • ) and backward (117 • ) angles were analyzed in order to extract yield ratios between the γ-transition intensities.…”

Chiral geometry in multiple chiral doublet bands

“…Experimentally, more than 30 candidate chiral nuclei have been found in the A ∼ 80 [3], 100 [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19], 130 [2, and 190 [46][47][48][49][50] mass regions. For more details see, e.g., Refs.…”