NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of April 24, 2024.

Search: Author = R.Fass

Found 6 matches.

Back to query form



1983FA03      Nucl.Instrum.Methods 206, 317 (1983)

R.Fass, P.Lemmertz, L.J.Alquist, H.Wollnik, D.Hirdes, H.Jungclas

On-Line Mass Determination of α-Active Products from the Reaction (nat)U + 208Pb with a Gas Jet Time-of-Flight Mass Spectrometer

NUCLEAR REACTIONS U, Ar(208Pb, αX)150Dy/151Dy/152Dy/151Ho/152Ho/152mHo/159Hf/155Yb/163W/159Ta/209At/207At/211At/217At/216At/215At/225Ac/192Bi/211Bi/212Bi/212mBi/218Po/217Po/216Po/211Po/211mPo/214Po/213Po/212Po/212mPo/221Fr/212Fr/211Fr/213Fr/219Fr/218Fr/226Th/225Th/223Th/213Ra/221Ra/224Ra/222Ra/214Ra/220Rn/217Rn/213Rn, E=7 MeV/nucleon; measured Eα, Iα, αγ-coin, α-recoil masses; deduced production σ ratios, masses for certain residuals. Gas jet Tof mass spectrometer, Ti window, Ar gas thermalization, natural U target.

doi: 10.1016/0167-5087(83)91275-9
Citations: PlumX Metrics


1981LU06      Z.Phys. A303, 115 (1981)

T.Lund, D.Hirdes, H.Jungclas, D.Molzahn, P.Vater, R.Brandt, P.Lemmertz, R.Fass, H.Wollnik, H.Gaggeler

Search for Production of Superheavy Elements via ' Fusion after Instantaneous Fission ' in the Reaction 238U + 208Pb

RADIOACTIVITY, Fission 254Cf(SF), 240,242m,244mAm(SF) [from 238U(208Pb, X), E=8 MeV/nucleon]; measured fragment distribution. Gas jet, fission track counting techniques.

NUCLEAR REACTIONS, Fission 238U(208Pb, X), E=8 MeV/nucleon; measured Eα, Iα, SF fragment distribution, α(fragment)-coin; deduced production yields for 240,242,244Cm, 254Cf, superheavy production σ. Radiochemical, gas jet, rotating wheel techniques, natural target.

doi: 10.1007/BF01420268
Citations: PlumX Metrics


1980LE27      Z.Phys. A298, 311 (1980)

P.Lemmertz, L.J.Alquist, R.Fass, H.Wollnik, D.Hirdes, H.Jungclas, R.Brandt, D.Schardt, J.Zylicz

Studies on Low Spin Yrast States in 212mPo

RADIOACTIVITY 212Bi [from U(208Pb, X), E=7 MeV/nucleon]; measured Eγ, Eα, αγ-coin; deduced log ft. 212Po deduced levels, T1/2, low-spin yrast band, configuration.

doi: 10.1007/BF01425163
Citations: PlumX Metrics


1980SC09      Phys.Lett. 91B, 46 (1980)

U.J.Schrewe, P.Tidemand-Petersson, G.M.Gowdy, R.Kirchner, O.Klepper, A.Plochocki, W.Reisdorf, E.Roeckl, J.L.Wood, J.Zylicz, R.Fass, D.Schardt

Alpha Decay of Neutron-Deficient Isotopes with 78 ≤ Z ≤ 83 Including the New Isotopes 183,184Pb and 188Bi

RADIOACTIVITY 183,184,185Pb, 182,183,184Hg, 178,179Pt, 183Tl; measured Eα, T1/2, α-branching ratios, reduced Γα. 188Bi; measured E(α), T1/2.

NUCLEAR REACTIONS 142,146Nd, 107Ag(48Ti, X), (84Kr, X), E=4.6-6.3 MeV/nucleon; measured Eα, Iα, T1/2; deduced evidence for 183,184Pb, 188Bi.

doi: 10.1016/0370-2693(80)90659-0
Citations: PlumX Metrics


1978FA16      Nucl.Instrum.Methods 154, 233 (1978)

R.Fass, E.Georg, H.Wollnik, D.Schardt, G.Weiss, K.Wien, D.Hirdes

A Time-of-Flight Mass Spectrometer for Recoil Particles from α-Active Sources Produced by a He-JET

NUCLEAR REACTIONS Ge(84Kr, X), E=5.8 MeV/nucleon; measured α(fragment)-coin. 103Rh(84Kr, X), E not given; measured Eα, Iα; deduced evidence for 180,178,177,176Pt, 179,178,177Au. Recoil particles tof mass spectrometer.


1978RO19      Phys.Lett. 78B, 393 (1978)

E.Roeckl, R.Kirchner, O.Klepper, G.Nyman, W.Reisdorf, D.Schardt, K.Wien, R.Fass, S.Mattsson

A New Island of α-Emission: α-Decay Energies and Widths of Neutron Deficient Tellurium, Iodine and Xenon Isotopes

RADIOACTIVITY 108Te, 109Te, 110I, 111I, 112I, 112Xe, 113Xe, 114Cs [from 58Ni(58Ni, xα)]; measured T1/2, Eα; deduced Γα, branching ratio, Qα.

doi: 10.1016/0370-2693(78)90468-9
Citations: PlumX Metrics


Back to query form