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RESEARCH PRODUCT
Experimental evidence for chirality in the odd-A 105Rh
Jozsef MolnarA. R. WilkinsonE. S. PaulC. VamanG. DuchêneAnthony J. H. SimonsZs. DombradiV. I. DimitrovD. CurienPankaj S. JoshiA. KrasznahorkayJ. GizonP. M. RaddonD. B. FossanR. WadsworthA. GizonJ. N. ScheurerP. BednarczykS. FrauendorfAlejandro AlgoraAlejandro AlgoraK. StarostaK. StarostaD. G. JenkinsD. SohlerTakeshi KoikeG. RainovskiG. RainovskiL. ZolnaiJ. Timársubject
PhysicsNuclear and High Energy PhysicsSpins010308 nuclear & particles physics[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex]Chiral partner bandsYrastDegenerate energy levelsParity (physics)[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]Tilted axis cranking01 natural sciences21.10.Re; 21.60.-n; 23.20.Lv; 27.60.+jCore-quasiparticle coupling calculationsCharged particleThree-quasiparticle configuration0103 physical sciencesQuasiparticleAtomic physics010306 general physicsChirality (chemistry)Excitationdescription
Abstract High-spin states in 105 Rh were populated by the 96 Zr( 13 C, p3n) reaction at beam energies of 51 and 58 MeV, and studied using the EUROBALL IV γ -ray spectrometer and the DIAMANT charged particle array. A pair of nearly degenerate Δ I = 1 three-quasiparticle bands with the same spins and parity have been observed. Comparison of the experimental results with tilted axis cranking calculations confirms the chiral character of the two bands, while arguments based on the excitation of particles within the π g 9 / 2 ν ( h 11 / 2 ) 2 configuration of the yrast band and comparison with the previously observed γ band exclude the other possible interpretations. This is the first experimental evidence for three-quasiparticle chiral structure in the A ∼ 100 region, and the first simultaneous observation of a γ band and chiral partner bands in one nucleus.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2004-07-26 | Physics Letters B |