NSR Query Results
Output year order : Descending NSR database version of May 3, 2024. Search: Author = C.M.Folden Found 47 matches. 2022WE04 Phys.Rev. C 106, 054615 (2022) T.A.Werke, C.S.Salas, K.J.Glennon, D.A.Mayorov, E.E.Tereshatov, M.F.Volia, D.M.Wright, C.M.Folden, III Measurement of fusion-evaporation cross sections for reactions of 44Ca with 154, 156, 157, 160Gd targets NUCLEAR REACTIONS 154,156,157,160Gd(44Ca, X), (44Ca, 3n), (44Ca, 4n), (44Ca, 5n), (44Ca, 6n), (44Ca, 7n), (44Ca, 8n), E=214.3, 229.7 MeV; measured reaction products, evaporation residues, Eα, Iα, (fragment)α-coin; deduced total σ, evaporation residues σ. Comparison to theoretical calculations. Observed that collective enhancement to level density (CELD) applied in the calculations has a significant impact on the production of the spherical evaporation residues. Momentum Achromat Recoil Spectrometer (MARS) at K500 superconducting cyclotron of Cyclotron Institute at Texas A RADIOACTIVITY 194,195,195m,196,197,197m,198,199mPo(α)[from 154,156,157,160Gd(44Ca, X)]; measured Eα, Iα, (fragment)α-coin deduced T1/2. Comparison to previous experimental results. Momentum Achromat Recoil Spectrometer (MARS) at K500 superconducting cyclotron of Cyclotron Institute at Texas A
doi: 10.1103/PhysRevC.106.054615
2021GL02 J.Radioanal.Nucl.Chem. 330, 57 (2021) K.J.Glennon, E.M.Bond, T.A.Bredeweg, S.S.Chirayath, P.J.O'Neal, C.M.Folden Nuclear forensics methodology identifies legacy plutonium from the Manhattan Project
doi: 10.1007/s10967-021-07924-4
2020HO10 Phys.Rev. C 102, 014310 (2020) V.Horvat, E.E.Tereshatov, J.C.Hardy, N.Nica, C.M.Folden, V.E.Iacob, M.B.Trzhaskovskaya K-shell internal conversion coefficient for M4 decay of the 30.8 keV isomer in 93Nb RADIOACTIVITY 93Nb(IT); measured Eγ, Iγ, and K-shell conversion coefficient of the 30.76-keV M4 transition from the 30.76-keV, (1/2-) isomer using a Si(Li) detector for direct IT γ-ray and IC K-shell x-ray detection; deduced precise level energy of the isomer. Comparison with different theoretical models.
doi: 10.1103/PhysRevC.102.014310
2018NI14 Phys.Rev. C 98, 054321 (2018) N.Nica, J.C.Hardy, V.E.Iacob, V.Horvat, H.I.Park, T.A.Werke, K.J.Glennon, C.M.Folden, V.I.Sabla, J.B.Bryant, X.K.James, M.B.Trzhaskovskaya Precise measurement of αK andαT for the 39.8-keV E3 transition in 103Rh: Test of internal-conversion theory RADIOACTIVITY 103Rh(IT)[from 103Ru(β-) produced in 102Ru(n, γ), and 103Pd(EC) produced in 102Pd(n, γ) at the TRIGA reactor of Texas A and M]; measured Eγ, Iγ, K-x rays, K-shell and total internal conversion coefficients; deduced M4 admixture and mixing ratio for the 39.8-keV isomeric transition in 103Rh. Comparison with Dirac-Fock calculations, and results disagree with the theory which ignores the K-shell atomic vacancy. 103Ru(β-)[from 102Ru(n, γ), E=thermal]; measured Eγ, Iγ; deduced K-x ray intensity using the known data for multipolarities and mixing ratios of non-isomeric transitions in 103Rh from the decay of 103Ru. Comparison with previous experimental γ-ray intensities in 103Ru decay.
doi: 10.1103/PhysRevC.98.054321
2017NI10 Phys.Rev. C 95, 064301 (2017) N.Nica, J.C.Hardy, V.E.Iacob, T.A.Werke, C.M.Folden, K.Ofodile, M.B.Trzhaskovskaya Precise measurement of αK and αT for the 109.3-keV M4 transition in 125Te: Test of internal-conversion theory RADIOACTIVITY 125mTe(IT)[from 124Te(n, γ), E=thermal at 1-MW TRIGA reactor of Texas A and M Nuclear Science Center]; measured Eγ, Iγ, E(x ray), I(x ray), K-conversion coefficient, and total conversion coefficient for 109.3-keV M4 transition. Comparison with Dirac-Fock calculations.
doi: 10.1103/PhysRevC.95.064301
2016NI05 Phys.Rev. C 93, 034305 (2016) N.Nica, J.C.Hardy, V.E.Iacob, T.A.Werke, C.M.Folden, L.Pineda, M.B.Trzhaskovskaya Precise measurement of αK and αT for the 150.8-keV E3 transition in 111Cd: Test of internal-conversion theory RADIOACTIVITY 111mCd(IT)[from 110Cd(n, γ), E=thermal from TRIGA reactor at Texas A and M]; measured Eγ, Iγ, I(K-x rays); deduced total and K-conversion coefficients for 150.8-keV E3 transition. Comparison with theoretical value from Dirac-Fock theory which includes the atomic vacancy. Possible evidence of penetration effects for this transition.
doi: 10.1103/PhysRevC.93.034305
2015MA63 Phys.Rev. C 92, 054601 (2015) D.A.Mayorov, T.A.Werke, M.C.Alfonso, E.E.Tereshatov, M.E.Bennett, M.M.Frey, C.M.Folden Evaporation residue excitation function measurements in 50Ti- and 54Cr-induced reactions with lanthanide targets NUCLEAR REACTIONS 160Gd, 159Tb, 162Dy(50Ti, 3n), (50Ti, 4n), (50Ti, 5n), 159Tb, 162Dy(50Ti, 2np), (50Ti, 3np), 159Tb(50Ti, 4np), E=4.9 MeV/nucleon; 162Dy(54Cr, 4n), (54Cr, 5n), (54Cr, 2np), (54Cr, 3np), 5.1 MeV/nucleon; measured reaction products, Eα and half-lives of the radioactive isotopes produced, σ(E) of evaporation residues (ER), (ER)αα-correlations, using MARS spectrometer at Texas A and M cyclotron facility. Enriched targets. 159Tb, 162Dy(48Ca, 3n), 154Gd, 159Tb, 162Dy, 165Ho(48Ca, 4n), (48Ca, 5n), 176Hf(40Ar, 4n), (40Ar, 5n), 124Sn(92Zr, 4n), (92Zr, 5n), E(*)=35-60 MeV; analyzed σ(E). Statistical model analysis, and comparison with predictions of Bohr-Wheeler transition-state theory. Discussed effect of collective enhancement of level density (CELD). RADIOACTIVITY 204,205,206Rn, 204,205,206,208,209Fr, 208,209Ra(α)[from 160Gd, 159Tb, 162Dy(50Ti, X), E=4.9 MeV/nucleon; 212,213Ac(α)[from 162Dy(54Cr, X), E=5.1 MeV/nucleon]; measured Eα, half-lives of 205Fr and 208Ra decays.
doi: 10.1103/PhysRevC.92.054601
2015WE13 Phys.Rev. C 92, 034613 (2015) T.A.Werke, D.A.Mayorov, M.C.Alfonso, M.E.Bennett, M.J.DeVanzo, M.M.Frey, E.E.Tereshatov, C.M.Folden Hot fusion-evaporation cross sections of 45Sc-induced reactions with lanthanide targets NUCLEAR REACTIONS 156,157,158,160Gd, 159Tb, 162Dy(45Sc, 3n), (45Sc, 4n), (45Sc, 5n), (45Sc, 6n), (45Sc, 2np), (45Sc, 3np), 162Dy(45Sc, α), (45Sc, nα), (45Sc, 2nα), E≈5 MeV/nucleon; measured reaction products, Eα from decay products, evaporation residue cross sections σ(E) for 3n-, 4n-, 5n-, 6n-, p2n-, p3n-, p4n-, p5n-channels and α-, αn, α2n-channels for 162Dy using Momentum Achromat Recoil Spectrometer (MARS) at Texas A and M; deduced influence of collective enhancements to level density (CELD). Comparison with theoretical model for the fusion-evaporation process. Relevance to production of SHE region nuclei. RADIOACTIVITY 197,198,199,200m,201At, 197,198,199,201mPo, 200,203mRn, 203Fr(α)[from 156,157,158,160Gd, 159Tb, 162Dy(45Sc, 4n), (45Sc, 3np), E≈5 MeV/nucleon]; measured Eα. Comparison with previously measured values.
doi: 10.1103/PhysRevC.92.034613
2015WE16 Phys.Rev. C 92, 054617 (2015) T.A.Werke, D.A.Mayorov, M.C.Alfonso, E.E.Tereshatov, C.M.Folden, III Hot fusion-evaporation cross sections of 44Ca-induced reactions with lanthanide targets NUCLEAR REACTIONS 158Gd(44Ca, 3n), (44Ca, 4n), (44Ca, 5n), (44Ca, 6n), E=177.6, 184.2, 185.7, 188.4, 191.3, 196.0; 159Tb(44Ca, 3n), (44Ca, 4n), (44Ca, 5n), (44Ca, 3np), (44Ca, 4np), (44Ca, 5np), E=184.7, 189.8, 196.3, 200.5, 208.0; 162Dy(44Ca, 3n), (44Ca, 4n), (44Ca, 5n), (44Ca, 2np), (44Ca, 3np), (44Ca, 4np), (44Ca, 5np), E=183.7, 188.9, 195.4, 199.5, 207.1; measured reaction products, σ(E) using Momentum Recoil Achromat Spectrometer (MARS) at Cyclotron Institute of Texas A and M University. Comparison with theoretical model calculations with and without consideration of collective enhancements to level density (CELD), and with experimental σ(E) for 45Sc induced reactions on the same targets; deduced little evidence for cross-sectional enhancement due to shell stabilization of compound nucleus. RADIOACTIVITY 197,198Po(α)[from 158Gd(44Ca, 5n), (44Ca, 4n), E≈5 MeV/nucleon]; 199At, 199mPo(α)[from 159Tb(44Ca, 4n), (44Ca, 3np), E≈5 MeV/nucleon]; 202Rn, 202At(α)[from 162Dy(44Ca, 4n), (44Ca, 3np), E≈5 MeV/nucleon]; Measured Eα, and T1/2 of 199At, 202Rn decays. Comparison with evaluated data in the chart of nuclides on NNDC webpage.
doi: 10.1103/PhysRevC.92.054617
2014MA66 Phys.Rev. C 90, 024602 (2014) D.A.Mayorov, T.A.Werke, M.C.Alfonso, M.E.Bennett, C.M.Folden Production cross sections of elements near the N=126 shell in 48Ca-induced reactions with 154Gd, 159Tb, 162Dy, and 165Ho targets NUCLEAR REACTIONS 154Gd(48Ca, 3n)199mPo, 154Gd(48Ca, 4n)198Po, 154Gd(48Ca, 5n)197mPo, 159Tb(48Ca, 3n)204At, (48Ca, 4n)203At, (48Ca, 5n)202At, (48Ca, 6n)201At, 162Dy(48Ca, 3n)207Rn, (48Ca, xn)206Rn/205Rn, (48Ca, 6n)204Rn, 165Ho(48Ca, 3n)210Fr, (48Ca, xn)209Fr/208Fr, (48Ca, 6n)207Fr, E=180-210 MeV; measured reaction products, α spectra from residues, evaporation residue σ(E) using MARS spectrometer at Texas A-M cyclotron facility; deduced signature of collective effects. Comparison with theoretical σ(E), calculated with and without the inclusion of collective enhancement of level density. Discussed implications for production of superheavy elements. RADIOACTIVITY 198,199mPo, 203,204At, 206,207Rn, 209,210Fr(α)[from 154Gd, 159Tb, 162Dy, 165Ho(48Ca, xn), E=180-210 meV]; measured Eα, compared with previous experimental values.
doi: 10.1103/PhysRevC.90.024602
2012BE07 Nucl.Instrum.Methods Phys.Res. B276, 62 (2012) M.E.Bennett, D.A.Mayorov, K.D.Chapkin, M.C.Alfonso, T.A.Werke, C.M.Folden III Measurement of the natLu(p, x)175Hf excitation function NUCLEAR REACTIONS Lu(p, X)175Hf, E=5.2-16.7 MeV; Ti(p, X)48V, E=6.9-16 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with available data.
doi: 10.1016/j.nimb.2012.01.039
2012FO09 Nucl.Instrum.Methods Phys.Res. A678, 1 (2012) C.M.Folden III, M.C.Alfonso, D.A.Mayorov, K.R.Lawrence, A.A.Alharbi, E.Berdugo, P.J.Cammarata, A.C.Raphelt, B.T.Roeder, T.A.Werke Development of the MARS separator for heavy element studies NUCLEAR REACTIONS 165Ho(40Ar, xnyp)197Po/197mPo/198Po/198At/199Po/199mPo/199At/200At, E=220.2 MeV; measured Eα, half-lives, (EVR)α correlations, excitation functions, σ for production of heavy-element studies using MARS separator at Texas A
doi: 10.1016/j.nima.2012.02.035
2010FE01 Phys.Rev. C 81, 044318 (2010) R.Ferrer, M.Block, C.Bachelet, B.R.Barquest, G.Bollen, C.M.Campbell, M.Facina, C.M.Folden III, C.Guenaut, A.A.Kwiatkowski, D.L.Lincoln, D.J.Morrissey, G.K.Pang, A.M.Prinke, R.Ringle, J.Savory, P.Schury, S.Schwarz Penning trap mass spectrometry of neutron-rich Fe and Co isotopes around N=40 with the LEBIT mass spectrometer ATOMIC MASSES 63,64,65,65m,66Fe, 64,65,66,67,67mCo; measured cyclotron resonance frequencies and mass excesses using LEBIT Penning-trap mass spectrometer. Comparison with AME-2003 evaluation. 61,63,65,67Fe; systematics of low-lying levels. Z=24-31, N=35-44; systematics of two-neutron separation energies.
doi: 10.1103/PhysRevC.81.044318
2009FO02 Phys.Rev. C 79, 027602 (2009) C.M.Folden III, I.Dragojevic, Ch.E.Dullmann, R.Eichler, M.A.Garcia, J.M.Gates, S.L.Nelson, R.Sudowe, K.E.Gregorich, D.C.Hoffman, H.Nitsche Measurement of the 208Pb(52Cr, n)259Sg excitation function NUCLEAR REACTIONS 208Pb(52Cr, n)259Sg, E=250.7-266.2 MeV; 208Pb(52Cr, 2n)258Sg, E=250.7-266.2 MeV. Measured excitation functions, σ. RADIOACTIVITY 259Sg, 258Sg, 255Rf(α), (SF), (EC), 251No(α); measured Eα, half-lives, decay modes.
doi: 10.1103/PhysRevC.79.027602
2009FO05 Phys.Rev. C 79, 064318 (2009) C.M.Folden III, A.S.Nettleton, A.M.Amthor, T.N.Ginter, M.Hausmann, T.Kubo, W.Loveland, S.L.Manikonda, D.J.Morrissey, T.Nakao, M.Portillo, B.M.Sherrill, G.A.Souliotis, B.F.Strong, H.Takeda, O.B.Tarasov New neutron-rich microsecond isomers observed among fission products of 238U at 80 MeV/nucleon NUCLEAR REACTIONS 9Be(238U, X)60mMn/78mGa/82mGa/92mBr/95mRb/98mRb/92mY/101mY/112mTc, E=80 MeV/nucleon; measured Eγ, Iγ, γγ-coin, isomer half-lives. 60Mn, 78,82Ga, 92Br, 95,98Rb, 92,101Y, 112Tc; deduced levels, J, π. 66mCu, 78mZn, 88mBr, 95mKr, 96mRb, 97m,100mSr, 99mMo, 121mPd, 124mSn, 125mXe; measured Eγ and half-lives. 91,92,93Y; measured Eγ.
doi: 10.1103/PhysRevC.79.064318
2009KW02 Phys.Rev. C 80, 051302 (2009) A.A.Kwiatkowski, B.R.Barquest, G.Bollen, C.M.Campbell, D.L.Lincoln, D.J.Morrissey, G.K.Pang, A.M.Prinke, J.Savory, S.Schwarz, C.M.Folden III, D.Melconian, S.K.L.Sjue, M.Block Precision test of the isobaric multiplet mass equation for the A=32, T=2 quintet ATOMIC MASSES 32,33Si, 32S, 31,34P; measured masses using LEBIT Penning-trap spectrometer; deduced mass excesses. Discussed validity of quadratic form of isobaric multiplet mass equation (IMME).
doi: 10.1103/PhysRevC.80.051302
2009RI12 Phys.Rev. C 80, 064321 (2009) R.Ringle, C.Bachelet, M.Block, G.Bollen, M.Facina, C.M.Folden III, C.Guenaut, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.M.Prinke, J.Savory, P.Schury, S.Schwarz, C.S.Sumithrarachchi High-precision Penning trap mass measurements of neutron-rich sulfur isotopes at the N=28 shell closure ATOMIC MASSES 40,41,42,43,44S; measured precise mass excesses using LEBIT Penning trap mass spectrometer. Comparison with other recent mass measurements. Systematics of S(2n) values for N=24-30, Z=15-18 nuclides.
doi: 10.1103/PhysRevC.80.064321
2009SA12 Phys.Rev.Lett. 102, 132501 (2009) J.Savory, P.Schury, C.Bachelet, M.Block, G.Bollen, M.Facina, C.M.Folden III, C.Guenaut, E.Kwan, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.Prinke, R.Ringle, H.Schatz, S.Schwarz, C.S.Sumithrarachchi rp Process and Masses of N ∼ Z ∼ 34 Nuclides ATOMIC MASSES 68,70Se, 70,71Br; measured frequencies using penning trap; deduced masses. 70,71Kr predicted masses.
doi: 10.1103/PhysRevLett.102.132501
2009SC29 Eur.Phys.J. A 42, 323 (2009) S.Schwarz, M.Block, G.Bollen, C.M.Campbell, M.Facina, R.Ferrer, C.M.Folden III, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.M.Prinke, R.J.Ringle, J.Savory, P.H.Schury Precision Penning trap mass measurements of rare isotopes produced by projectile fragmentation ATOMIC MASSES 32Si, 32P, 32S, 32Cl, 32Ar; analyzed masses from Penning trap measurements. Comparison with Isobaric Multiplet Mass Equation calculations.
doi: 10.1140/epja/i2009-10808-4
2008BL05 Phys.Rev.Lett. 100, 132501 (2008); Erratum Phys.Rev.Lett. 101, 059901 (2008) M.Block, C.Bachelet, G.Bollen, M.Facina, C.M.Folden III, C.Guenaut, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.Prinke, R.Ringle, J.Savory, P.Schury, S.Schwarz Discovery of a Nuclear Isomer in 65Fe with Penning Trap Mass Spectrometry ATOMIC MASSES 63,64,65Fe, 64,65,66Co; measured and evaluated masses using Penning trap mass spectrometer, isotopes produced by projectile fragmentation with LEBIT at NSCL. 65mFe; deduced level energy, T1/2 for isomeric state.
doi: 10.1103/PhysRevLett.100.132501
2008GA08 Phys.Rev. C 77, 034603 (2008) J.M.Gates, M.A.Garcia, K.E.Gregorich, Ch.E.Dullmann, I.Dragojevic, J.Dvorak, R.Eichler, C.M.Folden III, W.Loveland, S.L.Nelson, G.K.Pang, L.Stavsetra, R.Sudowe, A.Turler, H.Nitsche Synthesis of rutherfordium isotopes in the 238U(26Mg, xn)264-xRf reaction and study of their decay properties NUCLEAR REACTIONS 238U(26Mg, 3n), (26Mg, 4n), (26Mg, 5n), (26Mg, 6n), E=4.9-6.0 MeV/nucleon; measured excitation functions, σ, half-lives, cross sections. RADIOACTIVITY 258Rf(α) [from 238U(26Mg, 6n), E=4.9-6.0 MeV/nucleon]; 259Rf(EC) [from 238U(26Mg, 5n), E=4.9-6.0 MeV/nucleon]; 260Rf(α), (SF) [from 238U(26Mg, 4n), E=4.9-6.0 MeV/nucleon]; 261Rf(α), (SF) [from 238U(26Mg, 3n), E=4.9-6.0 MeV/nucleon]; 254No(α); measured α spectra, Q-values, charged particle spectra.242,244,246,248,250,252,254,256,258Fm, 248,250,252,254,256No, 250,252,254,256Rf, 252,254,256,258,260Sg; systematics.
doi: 10.1103/PhysRevC.77.034603
2008GA25 Phys.Rev. C 78, 034604 (2008) J.M.Gates, S.L.Nelson, K.E.Gregorich, I.Dragojevic, Ch.E.Dullmann, P.A.Ellison, C.M.Folden III, M.A.Garcia, L.Stavsetra, R.Sudowe, D.C.Hoffman, H.Nitsche Comparison of reactions for the production of 258, 257Db: 208Pb(51V, xn) and 209Bi(50Ti, xn) NUCLEAR REACTIONS 208Pb(51V, n), (51V, 2n), E=4.7-5.1 MeV/nucleon; measured excitation function, σ. 209Bi(50Ti, n), (50Ti, 2n); systematics of excitation functions, σ. RADIOACTIVITY 257,258Db, 253,254Lr, 249,250Md, 246Cf, 250Fm, 254No, 245Es(α); measured α-spectra, half-lives.
doi: 10.1103/PhysRevC.78.034604
2008NE08 Phys.Rev. C 78, 024606 (2008) S.L.Nelson, C.M.Folden III, K.E.Gregorich, I.Dragojevic, Ch.E.Dullmann, R.Eichler, M.A.Garcia, J.M.Gates, R.Sudowe, H.Nitsche Comparison of complementary reactions for the production of 261, 262Bh NUCLEAR REACTIONS 208Pb(55Mn, n), (55Mn, 2n), E=273, 278, 283 MeV; 209Bi(54Cr, n), (54Cr, 2n), E=253.5-272.3 MeV; measured excitation functions, σ, half-lives.
doi: 10.1103/PhysRevC.78.024606
2007BA71 Nature(London) 449, 1022 (2007) T.Baumann, A.M.Amthor, D.Bazin, B.A.Brown, C.M.Folden III, A.Gade, T.N.Ginter, M.Hausmann, M.Matos, D.J.Morrissey, M.Portillo, A.Schiller, B.M.Sherrill, A.Stolz, O.B.Tarasov, M.Thoennessen Discovery of 40Mg and 42Al suggests neutron drip-line slant towards heavier isotopes NUCLEAR REACTIONS W(48Ca, X)40Mg/42Al, E=141 MeV/nucleon; measured fragment energies, charge and mass distributions.
doi: 10.1038/nature06213
2007BO50 Eur.Phys.J. Special Topics 150, 337 (2007) G.Bollen, C.Bachelet, M.Block, D.A.Davies, M.Facina, C.M.Folden, C.Guenaut, J.Huikari, E.Kwan, A.Kwiatowski, D.J.Morrissey, G.Pang, A.Prinke, R.Ringle, J.Savory, P.Schury, S.Schwarz, C.Sumithrarachchi, T.Sun Penning trap mass measurements of rare isotopes produced by projectile fragmentation with LEBIT at NSCL ATOMIC MASSES 80As, 81Se; measured masses a penning trap mass spectrometer.
doi: 10.1140/epjst/e2007-00340-3
2007SC24 Phys.Rev. C 75, 055801 (2007); Erratum Phys.Rev. C 80, 029905 (2009) P.Schury, C.Bachelet, M.Block, G.Bollen, D.A.Davies, M.Facina, C.M.Folden III, C.Guenaut, J.Huikari, E.Kwan, A.Kwiatkowski, D.J.Morrissey, R.Ringle, G.K.Pang, A.Prinke, J.Savory, H.Schatz, S.Schwarz, C.S.Sumithrarachchi, T.Sun Precision mass measurements of rare isotopes near N = Z = 33 produced by fast beam fragmentation ATOMIC MASSES 63,64Ga, 64,65,66Ge, 66,67,68As, 69Se; measured masses using penning trap mass spectrometer. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.75.055801
2007TA15 Phys.Rev. C 75, 064613 (2007) O.B.Tarasov, T.Baumann, A.M.Amthor, D.Bazin, C.M.Folden III, A.Gade, T.N.Ginter, M.Hausmann, M.Matos, D.J.Morrissey, A.Nettleton, M.Portillo, A.Schiller, B.M.Sherrill, A.Stolz, M.Thoennessen New isotope 44Si and systematics of the production cross sections of the most neutron-rich nuclei NUCLEAR REACTIONS 184W, 9Be(48Ca, X)36Mg/37Mg/38Mg/41Si/42Si/43Si/44Si, E=142 MeV/nucleon; measured production cross sections. Compared results to model calculations.
doi: 10.1103/PhysRevC.75.064613
2006EI01 Radiochim.Acta 94, 181 (2006) R.Eichler, W.Bruchle, R.Buda, S.Burger, R.Dressler, Ch.E.Dullmann, J.Dvorak, K.Eberhardt, B.Eichler, C.M.Folden III, H.W.Gaggeler, K.E.Gregorich, F.Haenssler, D.C.Hoffman, H.Hummrich, E.Jager, J.V.Kratz, B.Kuczewski, D.Liebe, D.Nayak, H.Nitsche, D.Piguet, Z.Qin, U.Rieth, M.Schadel, B.Schausten, E.Schimpf, A.Semchenkov, S.Soverna, R.Sudowe, N.Trautmann, P.Thorle, A.Turler, B.Wierczinski, N.Wiehl, P.A.Wilk, G.Wirth, A.B.Yakushev, A.von Zweidorf Attempts to chemically investigate element 112 NUCLEAR REACTIONS 238U(48Ca, X), E=231, 235 MeV; measured delayed fission, Eα, (fission)α-coin; deduced no evidence for 283Cn. Thermochromatography.
doi: 10.1524/ract.2006.94.4.181
2006FO02 Phys.Rev. C 73, 014611 (2006) C.M.Folden III, S.L.Nelson, Ch.E.Dullmann, J.M.Schwantes, R.Sudowe, P.M.Zielinski, K.E.Gregorich, H.Nitsche, D.C.Hoffman Excitation function for the production of 262Bh (Z = 107) in the odd-Z-projectile reaction 208Pb(55Mn, n) NUCLEAR REACTIONS 208Pb(55Mn, n), E=260, 264, 268 MeV; measured delayed Eα, αα-coin, excitation function. 208Pb(55Mn, 2n), E=268 MeV; measured delayed Eα, αα-coin; deduced evidence for 261Bh. Gas-filled separator. RADIOACTIVITY 261,262,262mBh, 257,258Db, 253m,254Lr, 254No, 250Fm(α) [from 208Pb(55Mn, xn) and subsequent decay]; measured Eα, T1/2.
doi: 10.1103/PhysRevC.73.014611
2006GR24 Phys.Rev. C 74, 044611 (2006) K.E.Gregorich, J.M.Gates, Ch.E.Dullmann, R.Sudowe, S.L.Nelson, M.A.Garcia, I.Dragojevic, C.M.Folden III, S.H.Neumann, D.C.Hoffman, H.Nitsche New isotope 264Sg and decay properties of 262-264Sg NUCLEAR REACTIONS 238U(30Si, 4n), (30Si, 5n), (30Si, 6n), E=147-174 MeV; measured delayed Eα, (recoil)α-coin; deduced excitation functions. RADIOACTIVITY 262,264Sg(SF); measured T1/2, α-decay branching upper limit. 263Sg(SF), (α); measured T1/2, branching ratio. 259Rf, 255No; measured T1/2.
doi: 10.1103/PhysRevC.74.044611
2005DU23 Nucl.Instrum.Methods Phys.Res. A551, 528 (2005) Ch.E.Dullmann, C.M.Folden III, K.E.Gregorich, D.C.Hoffman, D.Leitner, G.K.Pang, R.Sudowe, P.M.Zielinski, H.Nitsche Heavy-ion-induced production and physical preseparation of short-lived isotopes for chemistry experiments NUCLEAR REACTIONS Ge(18O, X)83mSr/83Y/84mY/88mY/85Zr/87Zr, E=82.8 GeV; 84Se(18O, X)86mY/85Zr/87Nb/87mNb/88Nb/88Mo, E=82.7 MeV; 124Sn(50Ti, X)168mLu/167Hf/168Hf, E=223.7 MeV; 116Sn(50Ti, X)162Tm/161Yb/162Yb/163Yb/162Lu/162Hf, E=224.4 MeV; measured delayed Eγ, Iγ following residual nucleus decay. Physical preseparation technique.
doi: 10.1016/j.nima.2005.05.077
2005GR19 Phys.Rev. C 72, 014605 (2005) K.E.Gregorich, W.Loveland, D.Peterson, P.M.Zielinski, S.L.Nelson, Y.H.Chung, Ch.E.Dullmann, C.M.Folden III, K.Aleklett, R.Eichler, D.C.Hoffman, J.P.Omtvedt, G.K.Pang, J.M.Schwantes, S.Soverna, P.Sprunger, R.Sudowe, R.E.Wilson, H.Nitsche Attempt to confirm superheavy element production in the 48Ca + 238U reaction NUCLEAR REACTIONS 238U(48Ca, 3n), E=230.3, 235.6 MeV; measured σ upper limits; deduced no evidence for 283Cn. Comparison with previous results.
doi: 10.1103/PhysRevC.72.014605
2005ST16 Nucl.Instrum.Methods Phys.Res. A543, 509 (2005) L.Stavsetra, K.E.Gregorich, J.Alstad, H.Breivik, K.Eberhardt, C.M.Folden III, T.N.Ginter, M.Johansson, U.W.Kirbach, D.M.Lee, M.Mendel, L.A.Omtvedt, J.B.Patin, G.Skarnemark, R.Sudowe, P.A.Wilk, P.M.Zielinski, H.Nitsche, D.C.Hoffman, J.P.Omtvedt Liquid-scintillation detection of preseparated 257Rf with the SISAK-system NUCLEAR REACTIONS 208Pb(50Ti, n), E=237 MeV; measured delayed αα-coin; deduced evidence for 257Rf. Gas-filled separator, fast liquid-liquid extraction system.
doi: 10.1016/j.nima.2004.12.010
2004FO08 Phys.Rev.Lett. 93, 212702 (2004) C.M.Folden III, K.E.Gregorich, Ch.E.Dullmann, H.Mahmud, G.K.Pang, J.M.Schwantes, R.Sudowe, P.M.Zielinski, H.Nitsche, D.C.Hoffman Development of an Odd-Z-Projectile Reaction for Heavy Element Synthesis: 208Pb(64Ni, n)271Ds and 208Pb(65Cu, n)272Rg NUCLEAR REACTIONS 208Pb(64Ni, n), E=311.5, 314.3 MeV; 208Pb(65Cu, n), E=321 MeV; measured measured αα-coin following residual nucleus decay; deduced σ. Gas-filled separator. RADIOACTIVITY 271Ds, 267Hs, 263mSg, 259Rf, 255No(α) [from 208Pb(64Ni, n) and subsequent decay]; 272Rg, 268Mt, 264Bh, 260Db, 256Lr(α) [from 208Pb(65Cu, n) and subsequent decay]; measured Eα, T1/2. Gas-filled separator.
doi: 10.1103/PhysRevLett.93.212702
2004GA18 Nucl.Phys. A734, 208 (2004) H.W.Gaggeler, W.Bruchle, Ch.E.Dullmann, R.Dressler, K.Eberhardt, B.Eichler, R.Eichler, C.M.Folden, T.N.Ginter, F.Glaus, K.E.Gregorich, F.Haenssler, D.C.Hoffman, E.Jager, D.T.Jost, U.W.Kirbach, J.V.Kratz, H.Nitsche, J.B.Patin, V.Pershina, D.Piguet, Z.Qin, U.Rieth, M.Schadel, E.Schimpf, B.Schausten, S.Soverna, R.Sudowe, P.Thorle, N.Trautmann, A.Turler, A.Vahle, P.A.Wilk, G.Wirth, A.B.Yakushev, A.von Zweidorf Chemical and nuclear studies of hassium and element 112 NUCLEAR REACTIONS 248Cm(26Mg, 4n), (26Mg, 5n), E=145 MeV; 238U(48Ca, 3n), E=239 MeV; measured yields. Chemical properties discussed.
doi: 10.1016/j.nuclphysa.2004.01.036
2004HW04 Phys.Rev. C 69, 067302 (2004), Erratum Phys.Rev. C 106, 059901 (2022) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, Y.X.Luo, J.O.Rasmussen, C.J.Beyer, P.M.Gore, S.C.Wu, I.Y.Lee, C.M.Folden, P.Fallon, P.Zielinski, K.E.Gregorich, M.A.Stoyer, T.N.Ginter, S.J.Zhu, J.D.Cole, R.Donangelo High spin states in 95Sr RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 95Sr deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.69.067302
2004LU03 Phys.Rev. C 69, 024315 (2004) Y.X.Luo, S.C.Wu, J.Gilat, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, C.J.Beyer, S.J.Zhu, J.Kormicki, X.Q.Zhang, E.F.Jones, P.M.Gore, I-Y.Lee, P.Zielinski, C.M.Folden III, T.N.Ginter, P.Fallon, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, J.D.Cole, R.Donangelo, S.J.Asztalos, A.Gelberg Level structures of 110, 111, 112, 113Rh from measurements on 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 110,111,112,113Rh deduced levels, J, π, configurations, deformation. Gammasphere array. Comparison with model predictions.
doi: 10.1103/PhysRevC.69.024315
2003GI05 Phys.Rev. C 67, 064609 (2003); Erratum Phys.Rev. C 68, 029901 (2003) T.N.Ginter, K.E.Gregorich, W.Loveland, D.M.Lee, U.W.Kirbach, R.Sudowe, C.M.Folden III, J.B.Patin, N.Seward, P.A.Wilk, P.M.Zielinski, K.Aleklett, R.Eichler, H.Nitsche, D.C.Hoffman Confirmation of production of element 110 by the 208Pb(64Ni, n) reaction NUCLEAR REACTIONS 208Pb(64Ni, n), E=312.5, 315, 317.5 MeV: measured delayed (recoil)α-coin; deduced production σ. RADIOACTIVITY 271Ds, 267Hs, 263Sg, 259Rf, 255No(α) [from 208Pb(64Ni, n) and subsequent decay]; measured Eα.
doi: 10.1103/PhysRevC.67.064609
2003GR26 Eur.Phys.J. A 18, 633 (2003) K.E.Gregorich, T.N.Ginter, W.Loveland, D.Peterson, J.B.Patin, C.M.Folden III, D.C.Hoffman, D.M.Lee, H.Nitsche, J.P.Omtvedt, L.A.Omtvedt, L.Stavsetra, R.Sudowe, P.A.Wilk, P.M.Zielinski, K.Aleklett Cross-section limits for the 208Pb(86Kr, n)293118 reaction NUCLEAR REACTIONS 208Pb(86Kr, X), E=449 MeV; measured evaporation residue yields; deduced no evidence for 293Og. 208Pb(86Kr, n), E=449 MeV; deduced production σ upper limit.
doi: 10.1140/epja/i2002-10165-x
2003HW01 Phys.Rev. C 67, 014317 (2003), Erratum Phys.Rev. C 106, 049903 (2022) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, Y.X.Luo, J.O.Rasmussen, C.J.Beyer, P.M.Gore, S.C.Wu, I.Y.Lee, C.M.Folden III, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.A.Stoyer, S.J.Asztalos, T.N.Ginter, R.Donangelo, L.Coraggio, A.Covello, A.Gargano, N.Itaco High spin states in 93Sr RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 93Sr deduced high-spin levels, J, π, configurations. Gammasphere array, comparisons with model predictions. NUCLEAR STRUCTURE 90,92,93,94Sr; calculated levels, J, π. Shell model.
doi: 10.1103/PhysRevC.67.014317
2003HW03 Phys.Rev. C 67, 054304 (2003), Erratum Phys.Rev. C 106, 049902 (2022) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, D.Fong, C.J.Beyer, P.M.Gore Y.X.Luo, J.O.Rasmussen, S.C.Wu, I.Y.Lee, C.M.Folden III, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.A.Stoyer, S.J.Asztalos, T.N.Ginter, S.J.Zhu, J.D.Cole, G.M.Ter-Akopian, Yu.Ts.Oganessian, R.Donangelo Identification of ν9/2[404] band in 97Sr RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 97Sr deduced high-spin levels, J, π, T1/2, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.67.054304
2002HW01 J.Phys.(London) G28, L9 (2002) J.K.Hwang, C.J.Beyer, A.V.Ramayya, J.H.Hamilton, X.Q.Zhang, J.O.Rasmussen, Y.X.Luo, S.C.Wu, T.N.Ginter, I.Y.Lee, C.M.Folden, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.Stoyer, S.J.Asztalos Identification of Neutron h11/2 Bands in 121, 123Cd RADIOACTIVITY 252Cf(SF); measured Eγ, γγ-coin. 121,123Cd deduced levels, J, π, bands, deformation features following coincidence with Sn γ-rays. Gammasphere array, comparison with neighboring nuclides.
doi: 10.1088/0954-3899/28/2/102
2002HW03 Phys.Rev. C65, 034319 (2002), Erratum Phys.Rev. C 106, 049905 (2022) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, C.J.Beyer, J.O.Rasmussen, Y.X.Luo, S.C.Wu, T.N.Ginter, C.M.Folden III, P.Fallon, P.M.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.Stoyer, S.J.Asztalos, A.Covello, A.Gargano Particle-Hole Excited States in 133Te RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 133Te; deduced levels, J, π, configurations. Gammasphere array. Comparison with shell model results.
doi: 10.1103/PhysRevC.65.034319
2002HW06 Phys.Rev. C65, 054314 (2002) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, C.J.Beyer, X.Q.Zhang, J.O.Rasmussen, Y.X.Luo, S.C.Wu, T.N.Ginter, I.Y.Lee, C.M.Folden, P.Fallon, P.Zielinski, K.E.Gregorich, A.O.Macchiavelli, M.A.Stoyer, S.J.Asztalos π 7/2[413] Rotational Band and High Spin States in Odd-Mass 115, 117Ag RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 115,117Ag deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.65.054314
2002KI25 Nucl.Instrum.Methods Phys.Res. A484, 587 (2002) U.W.Kirbach, C.M.Folden III, T.N.Ginter, K.E.Gregorich, D.M.Lee, V.Ninov, J.P.Omtvedt, J.B.Patin, N.K.Seward, D.A.Strellis, R.Sudowe, A.Turler, P.A.Wilk, P.M.Zielinski, D.C.Hoffman, H.Nitsche The Cryo-Thermochromatographic Separator (CTS): A new rapid separation and α-detection system for on-line chemical studies of highly volatile osmium and hassium (Z=108) tetroxides
doi: 10.1016/S0168-9002(01)01990-8
2002LU08 Phys.Rev. C66, 014305 (2002), Erratum Phys.Rev. C 107, 029902 (2023) Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, C.J.Beyer, S.J.Zhu, J.Kormicki, X.Q.Zhang, E.F.Jones, P.M.Gore, T.N.Ginter, K.E.Gregorich, I.-Y.Lee, A.O.Macchiavelli, P.Zielinski, C.M.Folden III, P.Fallon, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, M.A.Stoyer, J.D.Cole, R.Donangelo, S.C.Wu, S.J.Asztalos Level Structure of 141Ba and 139Xe and the Level Systematics of N = 85 Even-Odd Isotones RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 141Ba, 139Xe deduced high-spin levels, possible J, π, configurations. Level systematics in neighboring isotones discussed. Gammasphere array.
doi: 10.1103/PhysRevC.66.014305
2001LU16 Phys.Rev. C 64, 054306 (2001); Erratum Phys.Rev. C 104, 069902 (2021) Y.X.Luo, J.O.Rasmussen, A.V.Ramayya, J.H.Hamilton, X.Q.Zhang, J.K.Hwang, C.J.Beyer, J.Kormicki, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.V.Daniel, K.E.Gregorich, T.N.Ginter, P.Zielinski, C.M.Folden, I.Y.Lee, P.Fallon, A.Macchiavelli, R.Donangelo, M.A.Stoyer, S.Asztalos, S.C.Wu Fission γ Spectra and Levels in 139Ba RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 135Te, 139Ba deduced high-spin levels, J, π. Gammasphere array.
doi: 10.1103/PhysRevC.64.054306
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