Gamma decay of pygmy states in $^{90,94}$Zr from inelastic scattering of light ions
- Crespi, F.C.L.
- Bracco, A.
- Tamii, A.
- Blasi, N.
- Camera, F.
- Wieland, O.
- Aoi, N.
- Balabanski, D.
- Bassauer, S.
- Brown, A.S.
- Carpenter, M.P.
- Carroll, J.J.
- Ciemala, M.
- Czeszumska, A.
- Davies, P.J.
- Donaldson, L.
- Fang, Y.
- Fujita, H.
- Gey, G.
- Hoang, T.H.
- Ichige, N.
- Ideguchi, E.
- Inoue, A.
- Isaak, J.
- Iwamoto, C.
- Jenkins, D.G.
- Jin, O.H.
- Klaus, T.
- Kobayashi, N.
- Koike, T.
- Krzysiek, M.
- Kumar Raju, M.
- Liu, M.
- Maj, A.
- Montanari, D.
- Morris, L.
- Noji, S.
- Pickstone, S.G.
- Savran, D.
- Spieker, M.
- Steinhilber, G.
- Sullivan, C.
- Wasilewska, B.
- Werner, V.
- Yamamoto, T.
- Yamamoto, Y.
- Zhou, X.
- Zhu, S.
DOIAbstract
International audienceWe performed experiments to study the low-energy part of the E1 response (Pygmy Dipole Resonance) in $^{90,94}$Zr nuclei, by measuring the (p,p’γ) and (α,α’γ) inelastic scattering reactions at energies Ebeam,p = 80 MeV and Ebeam,α = 130 MeV respectively. The inelastically scattered particles were measured by employing the high-resolution spectrometer Grand Raiden. The gamma-rays emitted following the de-excitation of the Zr target nuclei were detected using both the clover type HPGe detectors of the CAGRA array and the large volume LaBr3:Ce scintillation detectors from the HECTOR+ array. Some preliminary results are presented here
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