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Discovery of 157W and 161Os

Bianco, L.; Page, R.; Darby, I.; Joss, D.; Simpson, J.; Al-khalili, J.S; Cannon, A.J.; Cederwall, B.; Eeckhaudt, S.; Ertürk, S.; Gall, B.; Gómez, M.; Grahn, T.; Greenlees, P.; Hadinia, B.; Heyde, K.; Jakobsson, U.; Jones, P.; Julin, R.; Juutinen, S.; Ketelhut, S.; Labiche, M.; Leino, M.; Leppänen, A.; Nyman, M.; O'Donnell, D.; Paul, E.; Petri, M.; Peura, P.; Puurunen, A.; Rahkila, P.; Ruotsalainen, P.; Sandzelius, M.; Sapple, P.J.; Sarén, J.; Scholey, C.; Smirnova, N.; Steer, A.; Stevenson, P.D.; Suckling, E.; Thomson, J.; Uusitalo, J.; Venhart, M.
Tipus d'activitat
Article en revista
Physics letters B
Data de publicació
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The nuclides 157W and 161Os have been discovered in reactions of 58Ni ion beams with a 106Cd target. The 161Os a -decay energy and half-life were 6890±12 keV and 640±60 µs. The daughter 157W nuclei ß -decayed with a half-life of 275±40 ms, populating both low-lying a-decaying states in 157Ta, which is consistent with a 7/2- ground state in 157W. Fine structure observed in the a decay of 161Os places the lowest excited state in 157W with Ip=9/2- at 318±30 keV. The branching ratio of View ...
Paraules clau
Nuclear Reactions, 58ni + 106cd At 290, 300, 310 Mev Beam Energy, Gas-filled Recoil Separator, Si Detectors, Measured, Ea, T1/2, Deduced, Neutron Single-particle Configurations In 161os, 157w, Shell Model Calculations


  • Bianco, L  (autor)
  • Page, R.D.  (autor)
  • Darby, I.G.  (autor)
  • Joss, D.T.  (autor)
  • Simpson, J.  (autor)
  • Al-khalili, J.S.  (autor)
  • Cannon, A.J.  (autor)
  • Cederwall, B.  (autor)
  • Eeckhaudt, S.  (autor)
  • Ertürk, S.  (autor)
  • Gall, B.  (autor)
  • Gómez Hornillos, María Belén  (autor)
  • Grahn, T.  (autor)
  • Greenlees, P.T.  (autor)
  • Hadinia, B  (autor)
  • Heyde, K.  (autor)
  • Jakobsson, U.  (autor)
  • Jones, P.M.  (autor)
  • Julin, R.  (autor)
  • Juutinen, S.  (autor)
  • Ketelhut, S.  (autor)
  • Labiche, M.  (autor)
  • Leino, M.  (autor)
  • Leppänen, A. P.  (autor)
  • Nyman, M.  (autor)
  • O'Donnell, D.  (autor)
  • Paul, E.S.  (autor)
  • Petri, M.  (autor)
  • Peura, P.  (autor)
  • Puurunen, A.  (autor)
  • Rahkila, P.  (autor)
  • Ruotsalainen, P.  (autor)
  • Sandzelius, M.  (autor)
  • Sapple, P.J.  (autor)
  • Sarén, J.  (autor)
  • Scholey, C.  (autor)
  • Smirnova, N.A.  (autor)
  • Steer, A.  (autor)
  • Stevenson, P.D.  (autor)
  • Suckling, E.B.  (autor)
  • Thomson, J.  (autor)
  • Uusitalo, J.  (autor)
  • Venhart, M.  (autor)