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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
Pàgina inicial
Pàgina final
DOI Obrir en finestra nova
URL Obrir en finestra nova
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
157W, 300, 310 MeV beam energy, 58Ni + 106Cd at 290, Deduced, Ea, Measured, Nuclear reactions, Shell model calculations, Si detectors, gas-filled recoil separator, neutron single-particle configurations in 161Os, t1/2


  • 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)