1. Masses of noble gases David Lunney CERN contact: Sarah Naimi, CSNSM
INTC February 2009
Masses of noble gases
David Lunney
CSNSM/IN2P3/CNRS, Universite de Paris Sud, Orsay
on behalf of the ISOLTRAP Collaboration & ISOLDE target group
Heidelberg, Greifswald, Geneva, East Lansing, Orsay
CERN contact: Sarah Naimi, CSNSM

2. determination of cyclotron frequency
ISOLTRAP: Experimental setup
J. Van Roosbroeck et al.,PRL (2004)
determination of cyclotron frequency
(R = 107)
2 m
B = 5.9 T
removal of
contaminant ions
(R = 105)
B = 4.7 T
Bunching of the
continuous beam
M. Mukherjee et al., Eur. Phys. J. A (2008)

3. ISOLTRAP highlights 2004-2008 Magic numbers Fundamental studies
Nucleosynthesis
Residual interaction
Halos b+ b- a sf p
stable
Masses of radioactive isotopes measured at ISOLTRAP
Masses of stable isotopes measured at ISOLTRAP
Reference masses 66 Mn
101 Sn
100 In Cd 99 Ag 98 Pd 97 Rh 96 Ru 95 94 Tc Mo 93 Nb 92 91 Zr 90 Y 89 Sr Rb 88 87 Kr 86 Br Se 85 As 84 Ge 83 Ga 82 Zn 81 Cu 80 78 77 76 75 74 73 72 71 70 69 68 67 Ni Co 65 Fe 50 49 48 47 46 45 44 43 42 41 79 40 39 38 37 36 35 34 33 64 32 61 62 63 31 60 30 57 58 59 29 55 56 28 51 52 53 54 27 26 Cr 25 24 23 V 22 Ti 21 Sc
120 La
114 Ba
115
116
117
118
119
112 Cs
113
110 Xe
111
108 I
109
106 Te
107
103 Sb
104
105
102
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154 20 Ca 19 K 18 Ar 17 Cl 16 S 15 P 14 Si 13 Al 12 Mg 11 Na 10 Ne 9 F 8 O 7 N 6 C 5 B 4 Be 3 Li 2 He 1 H n
212 Pa
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
210 Th
211
207 Ac
208
209
202 Ra
203
204
205
206
200 Fr
201
196 Rn
197
198
199
194 At
195
190 Po
191
192
193
185 Bi
186
187
188
189
180 Pb
181
182
183
184
179 Tl
174 Hg
175
176
177
178
171 Au
172
173
166 Pt
167
168
169
170
165 Ir
162 Os
163
164
160 Re
161
158 W
159
156 Ta
157 Hf
155 Lu Yb Tm Er Ho Dy Tb Gd Eu Sm Pm Nd Pr Ce U
245 Md
242 Fm
243
244
241 Es Cf
239
240 Bk Cm Am Pu Np
277
272
267
269
271
273
266 Mt
268
263 Hs
264
265
260 Bh
261
262
258 Sg
259
255 Db
256
257
253 Rf
254
252 Lr
250 No
251
246
247
248
249
194-Hg/Au, 202Pb/Tl
Z=82 Rn
99-109Cd
N=126 Xe
61-63Fe
Z=50
132,134Sn
56-63Mn
N=82
126,128Cd
17Ne
Z=28
80,81Zn
121,123Ag
N=50
Z=20
38Ca
N=28
26Al
N=20
N=8

4. part of EURISOL Design Study
Masses of Noble Gases
229Rn discovered
Vpn studies
D. Neidherr et al.
PRL (2009) accepted
linking different
decay modes (Xe)
X-ray astronomy
& nucleo-
synthesis
(Kr)
L. Penescu et al., NIMB (2008)
part of EURISOL Design Study
VADIS
deformation
apparition
(Kr)
N = 28
disappearance (Ar)

5. C. Thibault et al. (1975) From: F. Sarazin et al. (2000)
Mass measurements and (disappearing) shell structure
B. Jurado et al. (2007)
C. Thibault et al. (1975)
From: F. Sarazin et al. (2000)

6. Neutron shell gaps and quenching
GANIL-SPEG
B. Jurado
et al. (2007)
data from AME2003

7. Kr: deformation from N = 60 ?

8. Kr: deformation from N = 60 ?
AME includes
some JYFL data:
Hakala et al. (2008)
& ISOLTRAP data:
Delahaye et al. (2006)
Baruah et al. (2008) Kr Se Ge Zn ? #

9. Nucleosynthesis and the r process
Xe:
Neidherr
et al.
Sn: Dworshak et al. (2008)
Ag and Cd:
Breitenfeldt
et al.
Kr: Delahaye et al. (2006)
Zn: Baruah et al. (2008)

10. Nucleosynthesis and the rp process
X-ray burst
From J. Clark et al. PRL (2004)
see: H. Schatz, IJMS (2006)

11. decay links
From AME2003
111Xe ?
740(200) ms
900(200) ms

12. Summary Collaborators: Funding: nuclides target request:
46-48Ar; 96-98Kr UC 14 shifts
70-72Kr Nb or YO 14 shifts
Xe LaO target 14 shifts
Collaborators:
G. Audi, D. Beck, K. Blaum, Ch. Borgmann, M. Breitenfeldt, S. George,
A. Herlert, F. Herfurth, A. Kellerbauer, H.-J. Kluge, M. Kowalska,
D. Lunney, E. Minaya Ramirez, S. Naimi, D. Neidherr, M. Rosenbusch,
H. Schatz, S. Schwarz, L. Schweikhard, U. Warring
and the ISOLDE target group: L. Penescu, E. Noah, Th. Stora
Funding:
BMBF, GSI, EU, IN2P3, MPI, CERN, ISOLDE