NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = H.Koivisto Found 7 matches. 2022MA37 Universe 8, 80 (2022) D.Mascali, D.Santonocito, S.Amaducci, L.Ando, V.Antonuccio, S.Biri, A.Bonanno, V.P.Bonanno, S.Briefi, M.Busso, L.Celona, L.Cosentino, S.Cristallo, M.Cuffiani, C.De Angelis, G.De Angelis, D.De Salvador, L.Di Donato, J.-E.Ducret, A.Eshkevar Vakili, U.Fantz, A.Galata, C.Gallo, S.Gammino, T.Isernia, H.Koivisto, K.-L.Kratz, R.Kronholm, M.La Cognata, S.Leoni, A.Locatelli, M.Maggiore, F.Maimone, L.Malferrari, G.Mancini, L.Maunoury, G.S.Mauro, M.Mazzaglia, A.Mengoni, A.Miraglia, B.Mishra, M.Musumeci, D.R.Napoli, E.Naselli, F.Odorici, L.Palladino, G.Palmisano, S.Pavone, S.Pennisi, A.Perego, A.Pidatella, R.Racz, R.Reitano, D.Rifuggiato, M.Rinaldi, A.D.Russo, F.Russo, G.Schillaci, S.Selleri, S.Simonucci, G.Sorbello, R.Sparta, S.Taioli, K.Tinschert, G.Torrisi, A.Trifiro, S.Tsikata, A.Tumino, D.Vescovi, L.Vincetti A Novel Approach to β-Decay: PANDORA, a New Experimental Setup for Future In-Plasma Measurements RADIOACTIVITY 94Nb, 134Cs, 176Lu(β-); calculated stellar to terrestrial T1/2 of β- decay of these isotopes as a function of temperature from 0.5-1000 MK; reviewed novel approach to measure β- decay rates of radionuclides relevant in nuclear-astrophysics under the PANDORA (Plasmas for Astrophysics, Nuclear Decay Observation and Radiation for Archaeometry) project at the INFN-LNS-Catania facility.
doi: 10.3390/universe8020080
2010RA12 Phys.Rev. C 82, 011303 (2010) P.Rahkila, D.G.Jenkins, J.Pakarinen, C.Gray-Jones, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, H.Koivisto, M.Leino, P.Nieminen, M.Nyman, P.Papadakis, S.Paschalis, M.Petri, P.Peura, O.J.Roberts, T.Ropponen, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, A.G.Tuff, J.Uusitalo, R.Wadsworth, M.Bender, P.-H.Heenen Shape coexistence at the proton drip-line: First identification of excited states in 180Pb NUCLEAR REACTIONS 92Mo(90Zr, 2n)180Pb, E=400 MeV; measured Eγ, Iγ, (recoil)γ-, (recoil)αγ coin using the JUROGAM II array and recoil-decay tagging (RDT) technique. 180Pb; deduced levels, J, π, band. Comparison with beyond-mean-field theoretical calculations. Z=82, A=180-208; systematics of spherical, prolate and oblate structures. RADIOACTIVITY 180Pb(α); measured Eα and half-life. 176,177Hg, 179mTl(α); measured Eα.
doi: 10.1103/PhysRevC.82.011303
2005KE10 Eur.Phys.J. A 25, Supplement 1, 181 (2005) H.Kettunen, T.Enqvist, K.Eskola, T.Grahn, P.T.Greenlees, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, A.Keenan, H.Koivisto, P.Kuusiniemi, M.Leino, A.-P.Leppanen, M.Muikku, P.Nieminen, J.Pakarinen, P.Rahkila, J.Uusitalo Decay studies of neutron-deficient odd-mass At and Bi isotopes NUCLEAR REACTIONS 142Nd(56Fe, 2np), E=262 MeV; 141Pr(56Fe, 4n), E=266 MeV; 141Pr(54Fe, 4n), E=260 MeV; measured production σ. RADIOACTIVITY 191,193,195At(α); measured Eα, Eγ, γα-coin. 191,193,195At deduced levels, J, π, configurations, proton separation energies. 187,189,191Bi deduced levels J, π, configurations. Comparison with theory.
doi: 10.1140/epjad/i2005-06-114-1
2005NA08 Phys.Rev.Lett. 94, 092504 (2005) H.Nassar, M.Paul, I.Ahmad, D.Berkovits, M.Bettan, P.Collon, S.Dababneh, S.Ghelberg, J.P.Greene, A.Heger, M.Heil, D.J.Henderson, C.L.Jiang, F.Kappeler, H.Koivisto, S.O'Brien, R.C.Pardo, N.Patronis, T.Pennington, R.Plag, K.E.Rehm, R.Reifarth, R.Scott, S.Sinha, X.Tang, R.Vondrasek Stellar (n, γ) Cross Section of 62Ni NUCLEAR REACTIONS 62Ni(n, γ), E=spectrum; measured total σ. Fast-neutron activation, accelerator mass spectrometry. Astrophysical implications discussed.
doi: 10.1103/PhysRevLett.94.092504
2005UU02 Phys.Rev. C 71, 024306 (2005) J.Uusitalo, M.Leino, T.Enqvist, K.Eskola, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, A.Keenan, H.Kettunen, H.Koivisto, P.Kuusiniemi, A.-P.Leppanen, P.Nieminen, J.Pakarinen, P.Rahkila, C.Scholey α decay studies of very neutron-deficient francium and radium isotopes NUCLEAR REACTIONS 141Pr(65Cu, xnypzα), E=283-293 MeV; measured delayed Eα, Iα, αα-, (recoil)α-coin; deduced evidence for 199,200,201Rn, 202,203,204Fr, 203,204Ra. 141Pr(63Cu, xnypzα), E=278-288 MeV; measured delayed Eα, Iα, αα-, (recoil)α-coin; deduced evidence for 198,199,200,201,202Rn, 201,202Fr, 201,202Ra. 170Yb(36Ar, xnypzα), E=180-185 MeV; measured delayed Eα, Iα, αα-, (recoil)α-coin; deduced evidence for 201Fr, 203Ra. Gas-filled recoil separator. RADIOACTIVITY 201,202,203,204Ra, 197,198,199,200Rn, 193,194,195,196Po, 201,202,203,204Fr, 197,198,199,200At(α) [from 141Pr(63,65Cu, xnypzα), 170Yb(36Ar, xnypzα), and subsequent decay]; measured Eα, T1/2, αα-coin for ground and metastable state decay. 193,195Bi, 197,199At, 201,203Fr deduced levels, J, π. Comparisons with previous results.
doi: 10.1103/PhysRevC.71.024306
2004NA39 Nucl.Phys. A746, 613c (2004) H.Nassar, S.Ghelberg, M.Paul, S.Dababneh, M.Heil, F.Kappeler, R.Plag, I.Ahmad, J.P.Greene, D.J.Henderson, C.L.Jiang, R.C.Pardo, T.Pennington, K.E.Rehm, R.Scott, S.Sinha, X.Tang, R.Vondrasek, H.Koivisto, D.Berkovits, M.Bettan, R.Reifarth, P.Collon, S.O'Brien, N.Patronis Production and isobaric separation of 63Ni ions for determination of the 62Ni(n, γ)63Ni reaction cross section at stellar temperatures NUCLEAR REACTIONS 62Ni(n, γ), E=fast; measured yields.
doi: 10.1016/j.nuclphysa.2004.09.140
2003KE04 Eur.Phys.J. A 16, 457 (2003) H.Kettunen, T.Enqvist, M.Leino, K.Eskola, P.T.Greenlees, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Koivisto, P.Kuusiniemi, M.Muikku, P.Nieminen, P.Rahkila, J.Uusitalo Investigations into the alpha-decay of 195At RADIOACTIVITY 195,195mAt, 191,191mBi(α) [from 142Nd(56Fe, 2np) and subsequent decay]; measured Eα, Iα, Eγ, Iγ, αγ-coin, T1/2; deduced hindrance factors. 195At, 191Bi, 187Tl deduced levels, J, π, configurations. Mass separator. NUCLEAR REACTIONS 142Nd(56Fe, 2np), E=262 MeV; measured production σ, isomer production ratio. Mass separator.
doi: 10.1140/epja/i2002-10130-9
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