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NSR database version of May 20, 2024.

Search: Author = P.R.Mudder

Found 3 matches.

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2015DA12      Phys.Rev.Lett. 115, 132502 (2015)

H.M.David, J.Chen, D.Seweryniak, F.G.Kondev, J.M.Gates, K.E.Gregorich, I.Ahmad, M.Albers, M.Alcorta, B.B.Back, B.Baartman, P.F.Bertone, L.A.Bernstein, C.M.Campbell, M.P.Carpenter, C.J.Chiara, R.M.Clark, M.Cromaz, D.T.Doherty, G.D.Dracoulis, N.E.Esker, P.Fallon, O.R.Gothe, J.P.Greene, P.T.Greenlees, D.J.Hartley, K.Hauschild, C.R.Hoffman, S.S.Hota, R.V.F.Janssens, T.L.Khoo, J.Konki, J.T.Kwarsick, T.Lauritsen, A.O.Macchiavelli, P.R.Mudder, C.Nair, Y.Qiu, J.Rissanen, A.M.Rogers, P.Ruotsalainen, G.Savard, S.Stolze, A.Wiens, S.Zhu

Decay and Fission Hindrance of Two- and Four-Quasiparticle K Isomers in 254Rf

NUCLEAR REACTIONS 206Pb(50Ti, 2n)254Rf, E=242.5 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced energy levels, J, π, isomer T1/2, unprecedented fission hindrance relative to the ground state. Comparison with multiquasiparticle calculations.

doi: 10.1103/PhysRevLett.115.132502
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2015GA24      Phys.Rev. C 92, 021301 (2015)

J.M.Gates, K.E.Gregorich, O.R.Gothe, E.C.Uribe, G.K.Pang, D.L.Bleuel, M.Block, R.M.Clark, C.M.Campbell, H.L.Crawford, M.Cromaz, A.Di Nitto, Ch.E.Dullmann, N.E.Esker, C.Fahlander, P.Fallon, R.M.Farjadi, U.Forsberg, J.Khuyagbaatar, W.Loveland, A.O.Macchiavelli, E.M.May, P.R.Mudder, D.T.Olive, A.C.Rice, J.Rissanen, D.Rudolph, L.G.Sarmiento, J.A.Shusterman, M.A.Stoyer, A.Wiens, A.Yakushev, H.Nitsche

Decay spectroscopy of element 115 daughters: 280Rg → 276Mt and 276Mt → 272Bh

NUCLEAR REACTIONS 243Am(48Ca, 3n)288Mc, E=262 MeV; measured evaporation residues (EVRs) by magnetic rigidities, Eα, SF-like events, decay chains using corner-cube-clover (C3) focal plane detector consisting of silicon-strip detectors surrounded by HPGe clover-type detectors, and DSSSDs for α particles at LBNL cyclotron facility; deduced data for forty-six decay chains from the decay of 288Mc and its α daughter products 284Nh, 280Rg, 276Mt, 272Bh, 268Db, the 268Db decaying by SF events.

RADIOACTIVITY 276Mt, 280Rg(α)[from α decay chain of 288Mc formed in 243Am(48Ca, 3n), E=262 MeV at LBNL cyclotron facility]; measured Eα, Iα, Eγ, Iγ, E(x rays), αγ-, α(x ray)-, γγ-coin, half-lives of 276Mt and 280Rg isotopes. 272Bh, 276Mt; deduced levels, multipolarities, α hindrance factors. GEANT4 simulations of α and photon spectra. No K-x rays were definitely assigned thus uncertain Z identification.

doi: 10.1103/PhysRevC.92.021301
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2013RI07      Phys.Rev. C 88, 044313 (2013)

J.Rissanen, R.M.Clark, K.E.Gregorich, J.M.Gates, C.M.Campbell, H.L.Crawford, M.Cromaz, N.E.Esker, P.Fallon, U.Forsberg, O.Gothe, I.-Y.Lee, H.L.Liu, A.O.Machiavelli, P.Mudder, H.Nitsche, G.Pang, A.Rice, D.Rudolph, M.A.Stoyer, A.Wiens, F.R.Xu

Decay of the high-K isomeric state to a rotational band in 257Rf

NUCLEAR REACTIONS 208Pb(50Ti, n), (50Ti, 2n), E=238, 243, 258 MeV; measured time-of-flight for Rf implantation events, recoil-electron, recoil-electron-α, recoil-electron-fission events, Eγ, Iγ, ce, Eα, γ(recoil electron)-, γ(recoil electron)-fission coin, delayed γ and ce, half-lives of ground state and isomers at LBNL cyclotron facility. 257Rf; deduced high-spin levels, J, π, multipolarity, band, high-K isomer, [gK-gR]/Q0 ratios, configurations of 1-qp and 3-qp states, hindrance factor. 256Rf; deduced levels, K-isomers, J, π, multipolarity, configurations.

RADIOACTIVITY 257Rf, 253No(α)[257Rf from 208Pb(50Ti, n), E=238, 243, 258 MeV]; measured Eα. 249Fm, 253No; deduced levels.

doi: 10.1103/PhysRevC.88.044313
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Note: The following list of authors and aliases matches the search parameter P.R.Mudder: , P.R.MUDDER