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Evidence for X(5) critical point symmetry in 128Ce

Balabanski, DL, Gladnishki, KA, Lo Bianco, G, Saltarelli, A, Zamfir, NV, McCutchan, EA, Ai, H, Casten, RF, Heinz, A, Meyer, DA , Plettner, C, Qian, J, Werner, V, Williams, E, Akkus, B, Amon, L, Cakirli, RB, Erduran, MN, Oktem, Y, Ashley, SF, Regan, PH and Rainovski, G (2006) Evidence for X(5) critical point symmetry in 128Ce International Journal of Modern Physics E, 15 (8). pp. 1735-1740.

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Lifetimes of excited states in 128Ce were measured using the recoil distance Doppler-shift (RDDS) and the Doppler-shift attenuation (DSAM) methods. The experiments were performed at the Wright Nuclear Structure Laboratory of Yale University. Excited states of 128Ce were populated in the 100Mo(32Si,4n) reaction at 120 MeV and the nuclear γ decay was measured with an array of eight Clover detectors positioned at forward and backward angles. The deduced yrast transition strengths together with the energies of the levels within the ground-state (gs) band of 128Ce are in agreement with the predicted values for the X(5) critical point symmetry. Thus, we suggest 128Ce as a benchmark X(5) nucleus in the mass A ≈ 130 region. © World Scientific Publishing Company.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Balabanski, DL
Gladnishki, KA
Lo Bianco, G
Saltarelli, A
Zamfir, NV
McCutchan, EA
Ai, H
Casten, RF
Heinz, A
Meyer, DA
Plettner, C
Qian, J
Werner, V
Williams, E
Akkus, B
Amon, L
Cakirli, RB
Erduran, MN
Oktem, Y
Ashley, SF
Rainovski, G
Date : 1 November 2006
DOI : 10.1142/S0218301306005538
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:16
Last Modified : 24 Jan 2020 20:35

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