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NSR database version of April 11, 2024.

Search: Author = P.Hoff

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2021SE17      Phys.Rev. C 104, 024317 (2021)

S.Sekal, L.M.Fraile, R.Lica, M.J.G.Borge, W.B.Walters, A.Aprahamian, C.Benchouk, C.Bernards, J.A.Briz, B.Bucher, C.J.Chiara, Z.Dlouhy, I.Gheorghe, D.G.Ghita, P.Hoff, J.Jolie, U.Koster, W.Kurcewicz, H.Mach, N.Marginean, R.Marginean, Z.Meliani, B.Olaizola, V.Paziy, J.M.Regis, M.Rudigier, T.Sava, G.S.Simpson, M.Stanoiu, L.Stroe

Low-spin states in 80Ge populated in the β decay of the 80Ga 3- isomer

RADIOACTIVITY 80mGa(β-)[from decay of 80Zn produced in U(n, F), E=fast neutrons at the ISOLDE-CERN facility, followed by separation of fission fragments passed using the ISOLDE Resonance Ionization Laser Ion Source (RILIS) and high-resolution magnetic separator]; measured Eγ, Iγ, βγ- and γγ-coin using two HPGe detectors for γ rays and an NE111A organic plastic scintillator for β detection. 80Ge; deduced levels, J, π, β feedings, logft. Comparison with previous experimental results, and with shell-model and IBM calculations.

NUCLEAR STRUCTURE 70,72,74,76,78,80,82Ge, 82Se, 84Kr, 86Sr, 88Zr, 90Mo; calculated energies of second 0+ states by shell-model using Antoine code with JUN45 interaction, and NUSHELLX@MSU code with jj44bpn interaction, and IBM-1, IBM-2 models, and comparison with experimental values; Systematics of low-lying positive-parity levels up to 8+.

doi: 10.1103/PhysRevC.104.024317
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2020PA26      Phys.Rev. C 102, 014329 (2020)

V.Paziy, L.M.Fraile, H.Mach, B.Olaizola, G.S.Simpson, A.Aprahamian, C.Bernards, J.A.Briz, B.Bucher, C.J.Chiara, Z.Dlouhy, I.Gheorghe, D.Ghita, P.Hoff, J.Jolie, U.Koster, W.Kurcewicz, R.Lica, N.Marginean, R.Marginean, J.-M.Regis, M.Rudigier, T.Sava, M.Stanoiu, L.Stroe, W.B.Walters

Fast-timing study of 81Ga from the β decay of 81Zn

RADIOACTIVITY 81Zn(β-), (β-n)[from U(p, F), E=1.4 GeV at CERN PS-Booster (PSB) facility, followed by separation of ionized nuclei using the ISOLDE-RILIS]; measured Eγ, Iγ, b-, βγ- and γγ-coin, half-life of 81Zn decay, level half-lives by βγγ(t) fast-timing technique, β-delayed neutron branching ratio or Pn using HPGe and LaBr3 detectors for γ detection and a plastic scintillator for β detection at CERN-ISOLDE. 80,81Ga(β-); measured half-lives of 80Ga and 81Ga decays. 80,81Ga; deduced levels, J, π, Iβ, logft, B(M1), and B(E2). Comparison with large-scale shell model calculations using the NuShellX@MSU and ANTOINE codes with JUN45 and jj44b interactions. Systematics of low-lying levels in 71,73,75,77,79,81Ga, 79Cu, 83As, 85Br, 87Rb. 81Zn; discussed spin, parity and configuration of the ground state.

doi: 10.1103/PhysRevC.102.014329
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2017VE05      Phys.Rev. C 96, 034311 (2017)

V.Vedia, V.Paziy, L.M.Fraile, H.Mach, W.B.Walters, A.Aprahamian, C.Bernards, J.A.Briz, B.Bucher, C.J.Chiara, Z.Dlouhy, I.Gheorghe, D.Ghita, P.Hoff, J.Jolie, U.Koster, W.Kurcewicz, R.Lica, N.Marginean, R.Marginean, B.Olaizola, J.-M.Regis, M.Rudigier, T.Sava, G.S.Simpson, M.Stanoiu, L.Stroe

Search for the 73Ga ground-state doublet splitting in the β decay of 73Zn

RADIOACTIVITY 73Zn(β-)[from U(p, F), E=1.4 GeV]; measured Eγ, Iγ, βγ- and γγ-coin, half-life of 73Zn from γ-decay curves, level half-lives by fast-timing βγγ(t) technique using Resonance Ionization Laser Ion Source (RILIS) and magnetic high-resolution mass separator (HRS) at ISOLDE-CERN. 73Ga; deduced levels, ground state doublet, J, π, β feedings, logft, B(M1), B(E2). 73Zn(IT); measured Eγ, half-life of the isomer; deduced no evidence for a 42-keV transition from the isomer. Comparison with previous measurements, and with shell-model calculations. Systematics of level structure in 71,73,75Ga.

doi: 10.1103/PhysRevC.96.034311
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2016KL05      Phys.Rev. C 93, 054303 (2016)

M.Klintefjord, K.Hadynska-Klek, A.Gorgen, C.Bauer, F.L.Bello Garrote, S.Bonig, B.Bounthong, A.Damyanova, J.-P.Delaroche, V.Fedosseev, D.A.Fink, F.Giacoppo, M.Girod, P.Hoff, N.Imai, W.Korten, A.-C.Larsen, J.Libert, R.Lutter, B.A.Marsh, P.L.Molkanov, H.Naidja, P.Napiorkowski, F.Nowacki, J.Pakarinen, E.Rapisarda, P.Reiter, T.Renstrom, S.Rothe, M.D.Seliverstov, B.Siebeck, S.Siem, J.Srebrny, T.Stora, P.Thole, T.G.Tornyi, G.M.Tveten, P.Van Duppen, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, H.De Witte, M.Zielinska

Structure of low-lying states in 140Sm studied by Coulomb excitation

NUCLEAR REACTIONS 94Mo(140Sm, 140Sm'), (140Sm, 94Mo'), E=2.85 MeV/nucleon, [secondary 140Sm beam from Ta(p, X), E=1.4 GeV reaction at ISOLDE-CERN using RILIS, REXTRAP and EBIS]; measured scattered 140Sm and 94Mo particles, Eγ, Iγ, (particle)γ-coin, γ-yields using MINIBALL array for γ rays and DSSSD detectors for particle detection, γ spectra with laser on and off, γ-ray angular distributions. 140Sm; deduced E2 matrix elements, B(E2), spectroscopic quadrupole moment for the first two 2+ and the first 4+ states using coupled channel code GOSIA and normalized to γ-ray yield for first 2+ state in 94Mo target, and to known half-life for the first 2+ in 140Sm. Comparison with theoretical calculations using beyond-mean-field model with Gogny D1S interaction, shell model, interacting boson approximation (IBA), and E(5) symmetry. Calculated potential energy surface in (β, γ) plane for 140Sm. 95Mo; measured Iγ yield for 3/2+ to 5/2+ ground-state transition.

doi: 10.1103/PhysRevC.93.054303
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2016OL06      Phys.Rev. C 94, 054318 (2016)

B.Olaizola, H.Mach, L.M.Fraile, J.Benito, M.J.G.Borge, R.Boutami, P.A.Butler, Z.Dlouhy, H.O.U.Fynbo, P.Hoff, S.Hyldegaard, H.B.Jeppesen, A.Jokinen, C.Jollet, A.Korgul, U.Koster, Th.Kroll, W.Kurcewicz, F.Marechal, J.Mrazek, T.Nilsson, W.A.Plociennik, E.Ruchowska, R.Schuber, W.Schwerdtfeger, M.Sewtz, G.S.Simpson, M.Stanoiu, O.Tengblad, P.G.Thirolf, D.T.Yordanov

High-sensitivity study of levels in 30Al following β decay of 30Mg

RADIOACTIVITY 30Mg(β-), (β-n)[from U(p, F), E=1.4 GeV at CERN-ISOLDE]; measured Eγ, Iγ, Eβ, Iβ, βγ-, βγγ-coin, level half-lives by βγγ(t) fast timing method. 30Al; deduced levels, J, π, B(M1). Comparisons with shell-model calculations.

doi: 10.1103/PhysRevC.94.054318
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2015KL01      Acta Phys.Pol. B46, 607 (2015)

M.Klintefjord, K.Hadynska-Klek, J.Samorajczyk, A.Gorgen, Ch.Droste, J.Srebrny, T.Abraham, C.Bauer, F.L.Bello Garrote, S.Bonig, A.Damyanova, F.Giacoppo, E.Grodner, P.Hoff, M.Kisielinski, M.Komorowska, W.Korten, M.Kowalczyk, J.Kownacki, A.C.Larsen, R.Lutter, T.Marchlewski, P.Napiorkowski, J.Pakarinen, E.Rapisarda, P.Reiter, T.Renstrom, B.Siebeck, S.Siem, A.Stolarz, R.Szenborn, P.Thole, T.Tornyi, A.Tucholski, G.M.Tveten, P.Van Duppen, M.J.Vermeulen, N.Warr, H.De Witte, M.Zielinska

Spectroscopy of Low-lying States in 140Sm

NUCLEAR REACTIONS 94Mo(140Sm, 140Sm'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 140Sm; deduced energy levels, J, π, angular correlation coefficients, B(E2). GOSIA analysis.

doi: 10.5506/APhysPolB.46.607
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2014LI32      Phys.Rev. C 90, 014320 (2014)

R.Lica, N.Marginean, D.G.Ghita, H.Mach, L.M.Fraile, G.S.Simpson, A.Aprahamian, C.Bernards, J.A.Briz, B.Bucher, C.J.Chiara, Z.Dlouhy, I.Gheorghe, P.Hoff, J.Jolie, U.Koster, W.Kurcewicz, R.Marginean, B.Olaizola, V.Paziy, J.M.Regis, M.Rudigier, T.Sava, M.Stanoiu, L.Stroe, W.B.Walters

Low-lying isomeric states in 80Ga from the β- decay of 80Zn

RADIOACTIVITY 80Zn(β-)[from U(p, X), E=1.4 GeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-life of 708-keV level in 80Zn by βγγ(t) at ISOLDE-CERN facility. 80Ga; deduced levels, ordering of the ground state and long-lived isomer, J, π, conversion coefficient, multipolarities, β feedings, logft, reduced transition probabilities. Comparison with shell model calculations using jj44bpn and JUN45 interactions.

doi: 10.1103/PhysRevC.90.014320
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2011WI09      Phys.Rev. C 84, 014329 (2011); Pub.Note JOUR PRVCA 84 029903 (2011)

K.Wimmer, U.Koster, P.Hoff, Th.Kroll, R.Krucken, R.Lutter, H.Mach, Th.Morgan, S.Sarkar, M.Saha-Sarkar, W.Schwerdtfeger, P.C.Srivastava, P.G.Thirolf, P.Van Isacker

Identification of the slow E3 transition 136Csm136Cs with conversion electrons

NUCLEAR REACTIONS U(p, X)136mCs, E=1.4 GeV; measured Eγ, Iγ, E(ce), I(ce), γ(ce)-coin, isomer half-life, conversion coefficients. 136Cs; deduced levels, J, π, multipolarity, level scheme of isomer decay, B(E3), B(M4). Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.84.014329
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2009SC11      Phys.Rev.Lett. 103, 012501 (2009)

W.Schwerdtfeger, P.G.Thirolf, K.Wimmer, D.Habs, H.Mach, T.R.Rodriguez, V.Bildstein, J.L.Egido, L.M.Fraile, R.Gernhauser, R.Hertenberger, K.Heyde, P.Hoff, H.Hubel, U.Koster, T.Kroll, R.Krucken, R.Lutter, T.Morgan, P.Ring

Shape Coexistence Near Neutron Number N = 20: First Identification of the E0 Decay from the Deformed First Excited Jπ = 0+ State in 30Mg

RADIOACTIVITY 30Na(β-); measured Eγ, Iγ; deduced J, π, monopole strength, partial E0 lifetime. Comparison with beyond mean field calculations.

doi: 10.1103/PhysRevLett.103.012501
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2007MA40      Acta Phys.Pol. B38, 1213 (2007)

H.Mach, L.M.Fraile, O.Arndt, A.Blazhev, N.Boelaert, M.J.G.Borge, R.Boutami, H.Bradley, N.Braun, B.A.Brown, P.A.Butler, A.Covello, Z.Dlouhy, C.Fransen, H.O.U.Fynbo, A.Gargano, Ch.Hinke, P.Hoff, A.Joinet, A.Jokinen, J.Jolie, U.Koster, A.Korgul, K.-L.Kratz, T.Kroll, W.Kurcewicz, J.Nyberg, E.-M.Reillo, E.Ruchowska, W.Schwerdtfeger, G.S.Simpson, M.Stanoiu, O.Tengblad, P.G.Thirolf, W.B.Walters

The Single-Particle and Collective Features in the Nuclei Just Above 132Sn

RADIOACTIVITY 136Sn(β-); measured Eγ, Iγ, γγ-coinc. 135Sb deduced levels, B(E2).


2007WH01      Phys.Rev. C 76, 057303 (2007)

E.R.White, H.Mach, L.M.Fraile, U.Koster, O.Arndt, A.Blazhev, N.Boelaert, M.J.G.Borge, R.Boutami, H.Bradley, N.Braun, Z.Dlouhy, C.Fransen, H.O.U.Fynbo, Ch.Hinke, P.Hoff, A.Joinet, A.Jokinen, J.Jolie, A.Korgul, K.-L.Kratz, T.Kroll, W.Kurcewicz, J.Nyberg, E.-M.Reillo, E.Ruchowska, W.Schwerdtfeger, G.S.Simpson, M.Stanoiu, O.Tengblad, P.G.Thirolf, V.Ugryumov, W.B.Walters

Lifetime measurement of the 167.1 keV state in 41Ar

RADIOACTIVITY 41Cl(β-) [from U(p, X), E=1.4 GeV]; measured Eγ, Iγ, γγ-coin, βγγ-coin, βγ(t). 41Ar; measured half-lives of isomeric states; deduced levels, J, π, multipolarities, B(E2), B(M1).

doi: 10.1103/PhysRevC.76.057303
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2006RU07      Phys.Rev. C 73, 044326 (2006)

E.Ruchowska, W.A.Plociennik, J.Zylicz, H.Mach, J.Kvasil, A.Algora, N.Amzal, T.Back, M.G.Borge, R.Boutami, P.A.Butler, J.Cederkall, B.Cederwall, B.Fogelberg, L.M.Fraile, H.O.U.Fynbo, E.Hagebo, P.Hoff, H.Gausemel, A.Jungclaus, R.Kaczarowski, A.Kerek, W.Kurcewicz, K.Lagergren, E.Nacher, B.Rubio, A.Syntfeld, O.Tengblad, A.A.Wasilewski, L.Weissman

Nuclear structure of 229Th

RADIOACTIVITY 229Ac(β-) [from 238U(p, X) and subsequent decay]; measured prompt and delayed Eγ, Iγ, βγ-, γγ-coin. 229Th deduced levels, J, π, T1/2, transition probabilities, rotational band features. Potential energy surface calculations, quasiparticle-plus-phonon model calculations.

doi: 10.1103/PhysRevC.73.044326
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2005MA96      Eur.Phys.J. A 25, Supplement 1, 105 (2005)

H.Mach, L.M.Fraile, O.Tengblad, R.Boutami, C.Jollet, W.A.Plociennik, D.T.Yordanov, M.Stanoiu, M.J.G.Borge, P.A.Butler, J.Cederkall, Ph.Dessagne, B.Fogelberg, H.Fynbo, P.Hoff, A.Jokinen, A.Korgul, U.Koster, W.Kurcewicz, F.Marechal, T.Motobayashi, J.Mrazek, G.Neyens, T.Nilsson, S.Pedersen, A.Poves, B.Rubio, E.Ruchowska, and the ISOLDE Collaboration

New structure information on 30Mg, 31Mg and 32Mg

RADIOACTIVITY 30,31,32Na(β-); 31,32Na(β-n); measured Eγ, Iγ, γγ-, βγ-coin. 30,31,32Mg deduced levels T1/2. Ultra-fast timing techniques.

doi: 10.1140/epjad/i2005-06-159-0
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2005SH23      Phys.Rev. C 71, 064321 (2005)

J.Shergur, A.Wohr, W.B.Walters, K.-L.Kratz, O.Arndt, B.A.Brown, J.Cederkall, I.Dillmann, L.M.Fraile, P.Hoff, A.Joinet, U.Koster, B.Pfeiffer

Level structure of odd-odd 134Sb populated in the β- decays of 134, 135Sn

RADIOACTIVITY 134Sn(β-); 135Sn(β-), (β-n); measured Eγ, Iγ, βγ-, γγ-coin. 134Sb deduced levels, J, π, β-decaying isomeric state. Mass separator, shell model calculations.

doi: 10.1103/PhysRevC.71.064321
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2005SH36      Phys.Rev. C 72, 024305 (2005)

J.Shergur, A.Wohr, W.B.Walters, K.-L.Kratz, O.Arndt, B.A.Brown, J.Cederkall, I.Dillmann, L.M.Fraile, P.Hoff, A.Joinet, U.Koster, B.Pfeiffer

Identification of shell-model states in 135Sb populated via β- decay of 135Sn

RADIOACTIVITY 135Sn(β-) [from U(n, F)]; measured Eγ, Iγ, γγ-coin. 135Sb deduced levels, J, π. Resonance ionization, mass separator. Comparisons with shell-model predictions.

doi: 10.1103/PhysRevC.72.024305
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2004FO06      Phys.Rev. C 70, 034312 (2004)

B.Fogelberg, H.Gausemel, K.A.Mezilev, P.Hoff, H.Mach, M.Sanchez-Vega, A.Lindroth, E.Ramstrom, J.Genevey, J.A.Pinston, M.Rejmund

Decays of 131In, 131Sn, and the position of the h11/2 neutron hole state

RADIOACTIVITY 131mSn, 131mIn(β-); measured Eγ, Eβ, βγ-coin; deduced Qβ, logft. 131In, 131Sn deduced levels, J, π. Mass-separated sources.

doi: 10.1103/PhysRevC.70.034312
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2004GA24      Phys.Rev. C 69, 054307 (2004)

H.Gausemel, B.Fogelberg, T.Engeland, M.Hjorth-Jensen, P.Hoff, H.Mach, K.A.Mezilev, J.P.Omtvedt

Decay of 127In and 129In

RADIOACTIVITY 127,129In(β-) [from 235U(n, F)]; measured Eβ, Eγ, γγ-, βγ-coin following ground-state and isomer decays. 127,129In deduced isomeric states energies, T1/2. 127,129Sn deduced levels, J, π, isomers T1/2. Comparison with shell model predictions.

doi: 10.1103/PhysRevC.69.054307
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2004GA44      Phys.Rev. C 70, 037301 (2004)

H.Gausemel, K.A.Mezilev, B.Fogelberg, P.Hoff, H.Mach, E.Ramstrom

Decay properties and Qβ value of 82As

RADIOACTIVITY 82,82mAs(β-) [from 235U(n, F)]; measured Eγ, Eβ, γγ-, βγ-coin; deduced log ft, Qβ. 82Se levels deduced β-feeding intensities.

doi: 10.1103/PhysRevC.70.037301
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2003DI06      Phys.Rev.Lett. 91, 162503 (2003)

I.Dillmann, K.-L.Kratz, A.Wohr, O.Arndt, B.A.Brown, P.Hoff, M.Hjorth-Jensen, U.Koster, A.N.Ostrowski, B.Pfeiffer, D.Seweryniak, J.Shergur, W.B.Walters, and the ISOLDE Collaboration

N = 82 Shell Quenching of the Classical r-Process "Waiting-Point" Nucleus 130Cd

RADIOACTIVITY 130Cd(β-) [from U(n, F)]; measured Eγ, Eβ, γγ-, βγ-coin; deduced Qβ. 130In deduced levels, J, π, configurations, shell quenching. Astrophysical implications discussed. Resonance-ionization laser ion source.

doi: 10.1103/PhysRevLett.91.162503
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2002KO53      Eur.Phys.J. A 15, 181 (2002)

A.Korgul, H.Mach, B.Fogelberg, W.Urban, W.Kurcewicz, T.Rzaca-Urban, P.Hoff, H.Gausemel, J.Galy, J.L.Durell, W.R.Phillips, A.G.Smith, B.J.Varley, N.Schulz, I.Ahmad, L.R.Morss, M.Gorska, V.I.Isakov, K.I.Erokhina, J.Blomqvist, F.Andreozzi, F.Coraggio, A.Covello, A.Gargano

The neutron and proton two-particle nucleus 134Sb: New low-spin states observed in the decay of 134Sn and an estimate of the energy of the 7- isomer

RADIOACTIVITY 134Sn(β-) [from 238U(n, F)]; measured Eγ, Iγ, γγ-, βγ-coin. 134Sb deduced levels, possible J, π, configurations. Mass separator. Comparisons with model predictions.

doi: 10.1140/epja/i2001-10250-8
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2002SH08      Phys.Rev. C65, 034313 (2002)

J.Shergur, B.A.Brown, V.Fedoseyev, U.Koster, K.L.Kratz, D.Seweryniak, W.B.Walters, A.Wohr, D.Fedorov, M.Hannawald, M.Hjorth-Jensen, V.Mishin, B.Pfeiffer, J.J.Ressler, H.O.U.Fynbo, P.Hoff, H.Mach, T.Nilsson, K.Wilhelmsen-Rolander, H.Simon, A.Bickley, and the ISOLDE Collaboration

β-Decay Studies of 135-137Sn using Selective Resonance Laser Ionization Techniques

RADIOACTIVITY 135,136,137Sn(β-), (β-n) [from U(p, X)]; measured β-delayed neutron spectra, Eγ, Iγ, γγ-coin, T1/2; deduced delayed neutron emission probabilities. 135Sb deduced levels, J, π, β-branching ratio. Resonance laser ionization, mass separator.

RADIOACTIVITY 137Sb(β-), (β-n); estimated T1/2 and %P(n) from extrapolation.

doi: 10.1103/PhysRevC.65.034313
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2002SY01      Nucl.Phys. A710, 221 (2002)

A.Syntfeld, H.Mach, R.Kaczarowski, W.Kurcewicz, W.Plociennik, W.Urban, B.Fogelberg, P.Hoff

Study of 149Ce levels populated in the β- decay of 149La and signature splitting of the neutron i13/2 band

RADIOACTIVITY 149La(β-) [from 235U(n, F)]; measured Eγ, Iγ, γγ-coin. 149Ce deduced levels, J, π, ICC, rotational bands, signature splitting. Comparison with model predictions.

doi: 10.1016/S0375-9474(02)01132-6
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2001KA50      Acta Phys.Pol. B32, 2485 (2001)

R.Kaczarowski, W.Plociennik, A.Syntfeld, H.Mach, W.Kurcewicz, B.Fogelberg, P.Hoff

Total Routhian Surface Calculations for Neutron-Rich 149Ce

NUCLEAR STRUCTURE 149Ce; calculated total Routhian surfaces, angular momentum vs rotational frequency. Comparison with data.


2001SH12      Nucl.Phys. A682, 493c (2001)

J.Shergur, M.Hannawald, D.Seweryniak, H.Fynbo, U.Koester, A.Woehr, D.Fedorov, V.Fedoseyev, V.Mishin, P.Hoff, J.Ressler, A.Bickley, B.Pfeiffer, H.Simon, T.Nilsson, H.Mach, K.Wilhelmsen Rolander, H.Ravn, K.-L.Kratz, W.Walters, and the ISOLDE Collaboration

Decay of 135, 136Sn Isolated by Use of a Laser Ion Source and Evidence for a More Harmonic-Oscillator-Like Nuclear Potential

RADIOACTIVITY 135Sn(β-); measured Eβ, Eγ, β-delayed neutron spectra, T1/2. 136Sn(β-); measured T1/2. 134,135Sb deduced levels, J, π. Level systematics in neighboring nuclides discussed.

doi: 10.1016/S0375-9474(00)00678-3
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2000HO32      Hyperfine Interactions 129, 141 (2000)

P.Hoff, P.Baumann, A.Huck, A.Knipper, G.Walter, G.Marguier, B.Fogelberg, A.Lindroth, H.Mach, M.Sanchez-Vega, R.B.E.Taylor, P.van Duppen, A.Jokinen, M.Lindroos, M.Ramdhane, W.Kurcewicz, B.Jonson, G.Nyman, Y.Jading, K.-L.Kratz, A.Wohr, G.Lovhoiden, T.F.Thorsteinsen, J.Blomqvist, and the ISOLDE Collaboration

Nuclear spectroscopy at 133Sn

RADIOACTIVITY 133,134In(β-), (β-n) [from 238U(p, F), E=1 GeV]; measured Eγ, Iγ, En, In, βγ-, γγ-, nγ-coin. 133Sn deduced levels, J, π, single particle levels and configurations. Comparisons with Shell Model calculations.

doi: 10.1023/A:1012661816716
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1999AA03      Nucl.Phys. A654, 499 (1999)

A.J.Aas, H.Mach, J.Kvasil, M.J.G.Borge, B.Fogelberg, I.S.Grant, K.Gulda, E.Hagebo, P.Hoff, W.Kurcewicz, A.Lindroth, G.Lovhoiden, A.Machova, T.Martinez, B.Rubio, M.Sanchez-Vega, J.F.Smith, J.L.Tain, R.B.E.Taylor, O.Tengblad, T.F.Thorsteinsen, and the ISOLDE Collaboration

Quenched E1 Transition Rates in 231Th

RADIOACTIVITY 231Ac(β-); measured Eγ, Iγ, βγ-, γγ-coin, T1/2. 231Th deduced levels T1/2, B(λ), rotational bands. Fast-timing βγγ(t) method, quasiparticle-plus-phonon model.

doi: 10.1016/S0375-9474(99)00307-3
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1997HO15      Phys.Rev. C56, 2865 (1997)

P.Hoff, J.P.Omtvedt, B.Fogelberg, H.Mach, M.Hellstrom

The Z = 52 and N = 84 Nucleus 136Te: Low spin states observed in the decay of 136Sb

RADIOACTIVITY 136Sb(β-); measured Eγ, Iγ, γγ-, βγ-coin, log ft. 136Sb deduced ground state J, π. 136Te deduced levels, J, π, configurations. Data from other N=84 nuclei compared.

doi: 10.1103/PhysRevC.56.2865
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1997KU20      Nucl.Phys. A621, 827 (1997)

W.Kurcewicz, I.S.Grant, K.Gulda, A.J.Aas, J.Billowes, M.J.G.Borge, D.G.Burke, P.A.Butler, J.F.C.Cocks, B.Fogelberg, S.J.Freeman, G.D.Jones, E.Hagebo, P.Hoff, J.Honsi, A.Lindroth, G.Lovhoiden, H.Mach, T.Martinez, R.A.Naumann, K.Nybo, G.Nyman, H.Ravn, B.Rubio, J.Simpson, A.G.Smith, J.F.Smith, K.Steffensen, J.L.Tain, O.Tengblad, T.F.Thorsteinsen, and the ISOLDE Collaboration

The Nuclear Structure of 227Fr

RADIOACTIVITY 227Rn(β-) [from 232Th(p, n5p), E=1 GeV]; measured Eγ, Iγ, I(ce), T1/2, βγγ(t), γγ-coin. 227Fr deduced levels, J, π, ICC, γ-multipolarity, rotational bands, B(λ). Ge, Si(Li), BGO, plastic, BaF2 detectors, mini-orange spectrometer.

doi: 10.1016/S0375-9474(97)00190-5
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1996HO16      Phys.Rev.Lett. 77, 1020 (1996)

P.Hoff, P.Baumann, A.Huck, A.Knipper, G.Walter, G.Marguier, B.Fogelberg, A.Lindroth, H.Mach, M.Sanchez-Vega, R.B.E.Taylor, P.Van Duppen, A.Jokinen, M.Lindroos, M.Ramdhane, W.Kurcewicz, B.Jonson, G.Nyman, Y.Jading, K.-L.Kratz, A.Wohr, G.Lovhoiden, T.F.Thorsteinsen, J.Blomqvist, and the ISOLDE Collaboration

Single-Neutron States in 133Sn

RADIOACTIVITY 133,134In(β-), (β-n) [from 238U(p, F), E=1 GeV]; measured Eγ, γγ-, βγ-coin, β-delayed neutron spectrum, T1/2, β-delayed neutron probability. 133Sn deduced levels, J, π, single particle levels, configurations. Comparison with Shell Model results.

doi: 10.1103/PhysRevLett.77.1020
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1996JO17      Z.Phys. A355, 227 (1996)

A.Jokinen, M.Oinonen, J.Aysto, P.Baumann, F.Didierjean, P.Hoff, A.Huck, A.Knipper, G.Marguier, Yu.N.Novikov, A.V.Popov, M.Ramdane, D.M.Seliverstov, P.Van Duppen, G.Walter, and the ISOLDE-Collaboration

Proton Instability of 73Rb

NUCLEAR REACTIONS, ICPND 93Nb(p, X)73Rb/74Rb/75Rb/76Rb, E=1 GeV; measured residuals yield. 73Rb deduced confirmation of proton unbound character.

doi: 10.1007/s002180050104
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1994BA50      Phys.Rev. C50, 1180 (1994)

P.Baumann, M.Bounajma, A.Huck, G.Klotz, A.Knipper, G.Walter, G.Marguier, C.Richard-Serre, H.Ravn, E.Hagebo, P.Hoff, K.Steffensen

Beta Decay Properties of 67,68Se and the Astrophysical rp-Process Path

RADIOACTIVITY 67,68Se(EC), (β+); measured T1/2, βγ-, γγ-coin, Iβ, Eγ, Iγ; deduced log ft, rp-process path implications. 68,67As levels deduced, J, π.

doi: 10.1103/PhysRevC.50.1180
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1994HA53      Appl.Radiat.Isot. 45, 1021 (1994)

S.P.Hassfjell, P.Hoff

A Generator for Production of 212Pb and 212Bi

doi: 10.1016/0969-8043(94)90170-8
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1992ED01      Nucl.Instrum.Methods Phys.Res. B62, 535 (1992)

R.Eder, H.Grawe, E.Hagebo, P.Hoff, E.Kugler, H.L.Ravn, K.Steffensen

The Production Yields of Radioactive Ion-Beams from Fluorinated Target at the ISOLDE On-Line Mass Separator

NUCLEAR REACTIONS Ta, W, Ti, 93Nb(p, X), E=600 MeV; measured production yields of radioactive beams from Ca-Hf. Fluorinated targets, on-line mass separator.

doi: 10.1016/0168-583X(92)95387-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0762.


1992GR09      Z.Phys. A341, 247 (1992)

H.Grawe, P.Hoff, J.P.Omtvedt, K.Steffensen, R.Eder, H.Haas, H.Ravn, and the ISOLDE Collaboration

Study of the β+/EC Decay of the Neutron Deficient Nuclei 76,78Sr and 79Y

RADIOACTIVITY 76,78Sr, 79Y(β+)(EC); measured Eγ, Iγ, decay curves; deduced T1/2, decay schemes. 78Rb deduced transitions. Sources from ISOLDE mass separator.


1992HA42      Nucl.Instrum.Methods Phys.Res. B70, 165 (1992)

E.Hagebo, P.Hoff, O.C.Jonsson, E.Kugler, J.P.Omtvedt, H.L.Ravn, K.Steffensen

New Production Systems at ISOLDE

NUCLEAR REACTIONS Pt(3He, xnyp), E not given; Sn(3He, xnyp), E=910 MeV; measured production yields for Au, Hg, Cd isotopes. Pt/graphite, Sn/graphite targets. U(p, X), E=600 MeV; measured production yields for Ne, Na, Mg, Al, Mn, Cu, Zn, Ga, Ge, As, Ag, Cd, In, Sn, Sb, Te, Hg, Tl, Pb, Bi, Po isotopes. Uranium carbide with hot plasma ion source, data on Ta, Nb foil targets with W surface ionizer and CF4 leak also discussed.

doi: 10.1016/0168-583X(92)95927-J
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1991HO10      Z.Phys. A338, 285 (1991)

P.Hoff, B.Ekstrom, B.Fogelberg, J.P.Omtvedt

The Decay of 84As

RADIOACTIVITY 84As(β-); measured Eγ, Iγ, γγ-coin, T1/2. 84Se deduced levels, possible J, π.

doi: 10.1007/BF01288191
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1991OM01      Z.Phys. A338, 241 (1991)

J.P.Omtvedt, P.Hoff, M.Hellstrom, L.Spanier, B.Fogelberg

Gamma-Ray and Delayed Neutron Branching Data for the New or Little Known Isotopes 84,85Ge and 84,85As

RADIOACTIVITY 84,85Ge, 84,85As(β-n); measured Eγ, Iγ, T1/2. 85As, 84,85Ge deduced delayed-neutron emission probabilities.

doi: 10.1007/BF01284801
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22245.


1991OM02      Z.Phys. A339, 349 (1991)

J.P.Omtvedt, B.Fogelberg, P.Hoff

The Decay of 85As

RADIOACTIVITY 85As [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ-coin. 85Se deduced levels, J, π, Gamow-Teller transition strength.

doi: 10.1007/BF01560636
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1989BU09      Z.Phys. A333, 131 (1989)

D.G.Burke, H.Folger, H.Gabelmann, E.Hagebo, P.Hill, P.Hoff, O.Jonsson, N.Kaffrell, W.Kurcewicz, G.Lovhoiden, K.Nybo, G.Nyman, H.Ravn, K.Riisager, J.Rogowski, K.Steffensen, T.F.Thorsteinsen, and the ISOLDE Collaboration

New Neutron-Rich Isotopes of Astatine and Bismuth

RADIOACTIVITY 218,219,220,221,222,223At [from 232Th(p, X), E=600 MeV]; measured βγ-coin, β-activity, K X-ray spectra; deduced T1/2. 216Bi [from 220At(α-decay)]; measured α-spectra; deduced T1/2, Qα, α-branching ratio.

NUCLEAR REACTIONS 232Th(p, X), E=600 MeV; measured At isotope production rates.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0004.


1989HO08      Z.Phys. A332, 407 (1989)

P.Hoff, B.Ekstrom, B.Fogelberg

The Low Energy β-Strength of 135Sb

RADIOACTIVITY 135Sb(β-); measured Eγ, Iγ, γγ-coin; deduced β-strength function. 135Te deduced levels, configuration.


1986BJ01      Nucl.Phys. A453, 463 (1986)

T.Bjornstad, M.J.G.Borge, J.Blomqvist, R.D.Von Dincklage, G.T.Ewan, P.Hoff, B.Jonson, K.Kawade, A.Kerek, O.Klepper, G.Lovhoiden, S.Mattsson, G.Nyman, H.L.Ravn, G.Rudstam, K.Sistemich, O.Tengblad, and the ISOLDE Collaboration

The Doubly Closed Shell Nucleus 50132Sn82

RADIOACTIVITY 132In(β-) [from U(p, F)]; measured Eγ, Iγ, I(ce), E(n), T1/2, γγ-, βγ-coin; deduced Qβ. 132Sn deduced level scheme, B(E2), neutron separation energy, ICC. Uranium carbide target. Ge(Li), Si(Li), 3He ion chamber, plastic scintillator telescope detectors. On-line mass separation.

doi: 10.1016/0375-9474(86)90447-1
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1986BJ02      Phys.Scr. 34, 578 (1986)

T.Bjornstad, E.Hagebo, P.Hoff, O.C.Jonsson, E.Kugler, H.L.Ravn, S.Sundell, B.Vosicki, and the ISOLDE Collaboration

Methods for Production of Intense Beams of Unstable Nuclei: New developments at ISOLDE

NUCLEAR REACTIONS U, Ta, Ir, 93Nb, Sc, Ca, Th, Ge(p, X), E=600 MeV; Sc, U(3He, X)Cs/In/Yb/Lu/Tm/Pr/Pm/Sm/Nd/Eu/Gd/Tb/Dy/Ho/Rb/K/Br/Rn/Ar/Zn/Ga/Po/At, E=910 MeV; measured residual isotopes production yields. Synchrocyclotron.

doi: 10.1088/0031-8949/34/6A/013
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0834.


1986EK01      Phys.Scr. 34, 614 (1986)

B.Ekstrom, B.Fogelberg, P.Hoff, E.Lund, A.Sangariyavanish

Decay Properties of 75-80Zn and Q(β)-Values of Neutron-Rich Zn and Ga Isotopes

RADIOACTIVITY 75,76,77,79,80Zn(β-); measured Eγ, Iγ, βγ-, γγ-coin; deduced Q, mass excess. 79,80Zn deduced T1/2. 75,76,77,79,80Ga deduced levels, Q, mass excess, γ-branching. Ge detectors.


1986HO24      Nucl.Phys. A459, 35 (1986)

P.Hoff, B.Ekstrom, H.Gokturk, B.Fogelberg

The Decays of 123Cd, 125Cd and 127Cd

RADIOACTIVITY 123,125,127Cd(β-) [from 235U(n, F), isotope separated sources]; measured Eγ, Iγ, γγ-coin. 123,125,127In deduced levels, J, π.

doi: 10.1016/0375-9474(86)90054-0
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1984EW01      Z.Phys. A318, 309 (1984)

G.T.Ewan, P.Hoff, B.Jonson, K.-L.Kratz, P.O.Larsson, G.Nyman, H.L.Ravn, W.Ziegert

Intense Mass-Separated Beams of Halogens and Beta-Delayed Neutron Emission from Heavy Bromine Isotopes

NUCLEAR STRUCTURE 89,90,91,92Br(β-n) [from Th(p, X), E=600 MeV]; measured T1/2, β-delayed En, I(n), n/β branching ratio, neutron emission probabilities.

NUCLEAR REACTIONS Th(p, X), E=600 MeV; measured production yields of Cl, Br, I, At isotopes. Activation technique, ThO2 target.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0838.


1983BE42      Nucl.Phys. A408, 87 (1983)

G.J.Beyer, A.De Rujula, R.-D.Von Dincklage, H.A.Gustafsson, P.G.Hansen, P.Hoff, B.Jonson, H.L.Ravn, K.Riisager

The Q-Value of 157Tb

RADIOACTIVITY 157Tb(EC) [from Ta(p, X), E=600 MeV, mass, chemical separation]; measured X-rays, Auger electrons, internal bremsstrahlung; deduced T1/2, Q. 157Gd deduced EC-branching ratio to excited state, subshell capture ratios. Natural target, Si(Li), high-purity Ge detectors, gas proportional detectors.

doi: 10.1016/0375-9474(83)90350-0
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1982AL29      Phys.Rev. C26, 1157 (1982)

K.Aleklett, P.Hoff, E.Lund, G.Rudstam

Total β-Decay Energies and Mass Systematics of Neutron-Rich Silver and Cadmium Isotopes

RADIOACTIVITY 116,117,118,119,120,121Ag [from fission product mass separation]; 119,121Cd [from 119,121Ag(β-) decay]; measured βγ-coin; deduced Qβ, maximum Eβ, mass excess. Fission product mass separation, Ge(Li), Si-Li detectors.

doi: 10.1103/PhysRevC.26.1157
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1982FO04      Nucl.Phys. A376, 389 (1982)

B.Fogelberg, P.Hoff

The Decays of 121g,121mCd to 121In

RADIOACTIVITY 121,121mCd [from 235U(n, F), isotope separated sources]; measured T1/2, Eγ, Iγ, I(ce), γγ-coin, βγ(t). 121In deduced levels J, π, γ-multipolarity, B(E1), B(E2). Ge(Li), hyperpure Ge, Si-Li, NaI, plastic detectors.

doi: 10.1016/0375-9474(82)90119-1
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1982FO10      Nucl.Phys. A391, 445 (1982)

B.Fogelberg, P.Hoff

Levels and Transition Probabilities in 121Cd

RADIOACTIVITY 121Ag [from 235U(n, F), isotope-separated sources]; measured T1/2, Eγ, Iγ, I(ce), γγ-coin, βγ(t). 121Cd deduced levels, J, π, B(E2), γ-multipolarity, T1/2. Ge(Li), hyperpure Ge, Si(Li), NaI, plastic detectors.

doi: 10.1016/0375-9474(82)90619-4
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1981AL20      Z.Phys. A302, 241 (1981)

K.Aleklett, P.Hoff, E.Lund, G.Rudstam

Total β-Decay Energies and Masses of 80,81Ga and 79,81,82Ge

RADIOACTIVITY 80,81Ga, 79,81,82Ge; measured Eβ; deduced Qβ. 76,77,78,79,80,81Ga, 79,80,81,82Ge deduced mass excess. Mass separated fission products, βγ-coincidence technique. Different mass formulae.

doi: 10.1007/BF01415544
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1981HO07      Nucl.Phys. A359, 9 (1981)

P.Hoff

The Population of Excited States in Residual Nuclei via Delayed Neutrons

RADIOACTIVITY 81Ga, 88,89Br, 93,94,95,96Rb, 135Sb, 138,139I; measured Eγ, Iγ, β-delayed neutrons, Iγ/In. 80Ge, 87,88Kr, 92,93,94,95Sr, 134Te, 137Xe deduced levels.

doi: 10.1016/0375-9474(81)90209-8
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1981HO17      Z.Phys. A300, 289 (1981)

P.Hoff, K.Aleklett, E.Lund, G.Rudstam

Decay Schemes and Total Decay Energies of 89Br and 90Br

RADIOACTIVITY 89,90Br, 89Kr [from 235U(n, F)]; measured Eγ, Iγ, γγ-, βγ-coin, β-delayed neutrons. 89,90Br deduced log ft, Qβ. 89Kr deduced levels, Qβ. 90Kr deduced levels. Coaxial Ge(Li) detectors, on-line, chemical separation methods.

doi: 10.1007/BF01419859
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1981HO24      Nucl.Phys. A368, 210 (1981)

P.Hoff, B.Fogelberg

Properties of Strongly Neutron-Rich Isotopes of Germanium and Arsenic

RADIOACTIVITY 79,80,81,82Ga, 79,80,81,82Ge [from 235U(n, F), E=thermal]; measured T1/2, Eγ, Iγ, γγ-coin, γγ(t); deduced log ft. 79,80,81,82Ge, 79,80,81,82As deduced levels, ICC, J, π, γ-multipolarity, T1/2. Mass-separated fission products.

doi: 10.1016/0375-9474(81)90683-7
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1981RU07      Nucl.Instrum.Methods 186, 365 (1981)

G.Rudstam, P.Aagaard, P.Hoff, B.Johansson, H.-U.Zwicky

Chemical Separation Combined with an ISOL-System

RADIOACTIVITY 76,77,78,79,80Zn, 78,79,80,76Ga, 123,125,127,126,124,128Cd, 122,124,126,123,125,127In [from fission]; measured Eγ, Iγ, T1/2. Thermochromatography, chemical separation, Ge(Li) spectrometer, saturation conditions.

doi: 10.1016/0029-554X(81)90928-9
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1980AL15      Z.Phys. A295, 331 (1980)

K.Aleklett, P.Hoff, E.Lund, G.Rudstam

Delayed Neutron Emission Probabilities of the Precursors 89,90,91Br and 139,140,141I

RADIOACTIVITY 89,90,91Br, 139,140,141I [from on-line separation]; measured β-delayed En, Eβ, Iβ; deduced delayed-neutron emission probabilities. 90Br, 139,141I deduced T1/2.

doi: 10.1007/BF01412944
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23348.


1980HO03      Phys.Scr. 21, 129 (1980)

P.Hoff

The Decay of 88Br

RADIOACTIVITY 88Br [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ-coin, Iγ/β-delayed I(n), β-delayed En. 88Kr deduced levels, ground state β-branch upper limit. 87Kr level deduced β-delayed n population probability. Statistical model.

doi: 10.1088/0031-8949/21/2/001
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1980LU04      Z.Phys. A294, 233 (1980)

E.Lund, P.Hoff, K.Aleklett, O.Glomset, G.Rudstam

Delayed Neutron Emission Probabilities of Gallium, Bromine, Rubidium, Indium, Antimony, Iodine, and Cesium Precursors

RADIOACTIVITY 79,80,81,82,83Ga, 87,88,89Br, 92,93,94,95,96Rb, 127,128,129,130,131,132In, 134,135Sb, 137,138,139I, 141,142,143,144,145Cs [from on-line separation]; measured β-delayed En, Eβ, Iβ; deduced delayed-n emission probabilities. 127,129,132In deduced T1/2.

doi: 10.1007/BF01438160
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23347.


1978GJ01      Nucl.Phys. A303, 281 (1978)

O.K.Gjotterud, P.Hoff, A.C.Pappas

Gross Properties of Delayed Neutron Spectra

RADIOACTIVITY 85As, 88Br, 89Br, 135Sb, 136Te, 138I, 139I, 143Cs; calculated delayed-neutron energy spectra envelopes.

doi: 10.1016/0375-9474(78)90359-7
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1978GJ02      Nucl.Phys. A303, 295 (1978)

O.K.Gjotterud, P.Hoff, A.C.Pappas

Detailed Structure of Delayed Neutron Spectra

RADIOACTIVITY 87,88,89Br, 93Rb, 135Sb, 136Te, 137,138,139I, 143Cs; calculated delayed-neutron pulse-height spectra.

doi: 10.1016/0375-9474(78)90360-3
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