Coulomb excitation

Results: shape coexistence in light Kr isotopes76 Kr: 18 transitional + 5 diagonal ME74 Kr: 14 transitional + 5 diagonal ME〈2 + 1 ‖E2‖2+ 1 〉 = – 0.70−0.33 −0.30〈4 + 1 ‖E2‖4+ 1 〉 = – 1.02+0.59 −0.21〈2 + 2 ‖E2‖2+ 2 〉 = + 0.33+0.28 −0.236 17820 165411988 27499677684 10145582 4564560 012022112120274650891069442017411233 12852N γ(I π ) / N γ(2 1+→01+)N γ(2 2+→21+) / Nγ (2 1+→01+)0.60.50.40.30.20.100.060.040.020exp. 4 1+→21+fit (ME < 0)fit (ME > 0)exp. 6 1+→41+fit (ME < 0)experimentfit (ME > 0)30 60 90 120 150θ c.m.(deg)First measurement of diagonal E2 matrix elements using Coulex of radioactive beamE. Clément et al. Phys. Rev. C75, 054313 (2007)Magda Zielińska, CEA Saclay HIL student workshop, 1 March 2012 - p. 22/23