Isomers in the Experimental Storage Ring at GSI

Isomers in the Experimental Storage Ring at GSI STORI’ 11 Matthew Reed

Isomers in the Experimental Storage Ring at GSI -STORI’ 11 197 Au Beam at ~500 Me. V/u IP SH 9 Be Target Experimental Storage Ring (ESR)

Isomers in the Experimental Storage Ring at GSI -STORI’ 11

Isomers in the Experimental Storage Ring at GSI -STORI’ 11 F. Bosch, J. Phys. B: At. Mol. Opt. Phys. 36(2003) 585 -597

Isomers in the Experimental Storage Ring at GSI -STORI’ 11

Isomers in the Experimental Storage Ring at GSI -STORI’ 11

Isomers in the Experimental Storage Ring at GSI -STORI’ 11

Isomers in the Experimental Storage Ring at GSI -STORI’ 11 190 m. Os 74+ 190 Re 74+ 190 W 74+ 190 g. Os 74+

Isomers in the Experimental Storage Ring at GSI -STORI’ 11

184 Hf Isomers in the Experimental Storage Ring at GSI -STORI’ 11 184 Hf m 2 m 1 g 184 Ta 1 min Time β-decay γ-decay Frequency (Hz) E*m 1 ESR =1. 264(10) Me. V E*m 2 ESR =2. 477(10) Me. V M. W. Reed et al. , Phys. Rev. . Lett. 105, 172501 (2010)

Isomers in the Experimental Storage Ring at GSI -STORI’ 11 186 Hf 186 g. Hf 72+ (a. u. ) 186 g. Ta 72+ (Hz) M. W. Reed et al. , Phys. Rev. . Lett. 105, 172501 (2010) 186 g. W 72+

Isomers in the Experimental Storage Ring at GSI -STORI’ 11 186 Hf E*ESR =2. 968(43) Me. V 186 g. Hf 72+ 186 m. Hf 72+ (a. u. ) 186 g. Ta 72+ (Hz) M. W. Reed et al. , Phys. Rev. . Lett. 105, 172501 (2010) 186 g. W 72+

187 Ta Isomers in the Experimental Storage Ring at GSI -STORI’ 11 (a. u. ) 187 g. W 73+ 187 g. Re 73+ 187 g. Ta 73+ (Hz) M. W. Reed et al. , Phys. Rev. . Lett. 105, 172501 (2010)

187 Ta Em 1*ESR = 1. 789(13) Me. V (a. u. ) 187 m 1 Ta 73+ 187 g. W 73+ 187 g. Re 73+ 187 g. Ta 73+ (Hz) M. W. Reed et al. , Phys. Rev. . Lett. 105, 172501 (2010) Isomers in the Experimental Storage Ring at GSI -STORI’ 11

187 Ta Em 2*ESR = 2. 935(14) Me. V Isomers in the Experimental Storage Ring at GSI -STORI’ 11 187 g. W 73+ 187 m 2 Ta 73+ (a. u. ) 187 m 1 Ta 73+ 187 g. Re 73+ 187 g. Ta 73+ (Hz) M. W. Reed et al. , Phys. Rev. . Lett. 105, 172501 (2010)

192 Re Isomers in the Experimental Storage Ring at GSI -STORI’ 11 (Hz) (q= 75+) M. W. Reed et al, Rutherford Centenary Conference proceedings submitted

192 Re (mins) Beam Crystallisation / Merging (Hz) I. J. Cullen, Ph. D Thesis 2010 Isomers in the Experimental Storage Ring at GSI -STORI’ 11

192 Re Isomers in the Experimental Storage Ring at GSI -STORI’ 11 (s) Poor Frequency Resolution Beta decay (Hz) M. W. Reed et al, Rutherford Centenary Conference proceedings submitted

Isomers in the Experimental Storage Ring at GSI -STORI’ 11 192 Re GS isomer: E*=268(10)ke. V +23 t 1/2 =61 -18 s (Hz) M. W. Reed et al, Rutherford Centenary Conference proceedings submitted

Isomers in the Experimental Storage Ring at GSI -STORI’ 11 185 Ta 185 g. Ta 185 m. Ta Isomer @ E*=414(22)ke. V 185 m 2 Ta or 185 m. W ? Isomer @ 726(38)ke. V or 2. 720(40)Me. V

185 Ta Isomers in the Experimental Storage Ring at GSI -STORI’ 11 Weiskopf Estimate =33 ms

191 Re 75+ m g γ-decay Isomers in the Experimental Storage Ring at GSI -STORI’ 11 191 Os 75+

191 Re Isomers in the Experimental Storage Ring at GSI -STORI’ 11 191 m. Re Isomer E*=115(20)ke. V γ-decay (Hz)

194 Re Isomers in the Experimental Storage Ring at GSI -STORI’ 11 194 Os, Ir 75+ 194 m 2 Re 75+ @833(33)ke. V 194 m 1 Re 75+ @285(33)ke. V 194 g. Re 75+ 194 g. Pt 75+

194 Re Isomers in the Experimental Storage Ring at GSI -STORI’ 11 Experimental level scheme observed in 194 Os N. Al-Dahan, P. H. Regan et al, Phys. Rev. C submitted

195 Os Isomers in the Experimental Storage Ring at GSI -STORI’ 11 isomer: E*=445(10)ke. V (q= 75+)

195 Os S. Steer et al, Phys. Rev. C submitted Isomers in the Experimental Storage Ring at GSI -STORI’ 11

195 Os (3/2 -) S. Steer et al, Phys. Rev. C submitted 445(10) Isomers in the Experimental Storage Ring at GSI -STORI’ 11

Summary Isomers in the Experimental Storage Ring at GSI -STORI’ 11

Summary Isomers in the Experimental Storage Ring at GSI -STORI’ 11

Summary Isomers in the Experimental Storage Ring at GSI -STORI’ 11

Collaborators Isomers in the Experimental Storage Ring at GSI -STORI’ 11 I. J. Cullen, P. M. Walker, Yu. A. Litvinov, K. Blaum, F. Bosch, C. Brandau, J. J. Carroll, D. M. Cullen, A. Y. Deo, B. Detwiler, C. Dimopoulou, G. D. Dracoulis, F. Farinon, H. Geissel, E. Haettner, M. Heil, R. S. Kempley, R. Knöbel, C. Kozhuharov, J. Kurcewicz, N. Kuzminchuk, S. Litvinov, Z. Liu, R. Mao, C. Nociforo, F. Nolden, W. R. Plass, A. Prochazka, C. Scheidenberger, D. Shubina, M. Steck, T. Stöhlker, B. Sun, T. D. Swan, G. Trees, H. Weick, N. Winckler, M. Winkler, P. J. Woods and T. Yamaguchi