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
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)
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=82 223-229Rn 99-109Cd N=126 136-146Xe 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
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)
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)
Neutron shell gaps and quenching GANIL-SPEG B. Jurado et al. (2007) data from AME2003
Kr: deformation from N = 60 ?
Kr: deformation from N = 60 ? AME 2008 - includes some JYFL data: Hakala et al. (2008) & ISOLTRAP data: Delahaye et al. (2006) Baruah et al. (2008) Kr Se Ge Zn ? #
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)
Nucleosynthesis and the rp process X-ray burst From J. Clark et al. PRL (2004) see: H. Schatz, IJMS (2006)
decay links From AME2003 111Xe ? 740(200) ms 900(200) ms
Summary Collaborators: Funding: nuclides target request: 46-48Ar; 96-98Kr UC 14 shifts 70-72Kr Nb or YO 14 shifts 111-113Xe 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