NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = A.A.Chishti Found 19 matches. 1997AH04 Phys.Rev. C55, R2755 (1997) I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, J.S.Greenberg, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration Internal Pair Conversion in Heavy Nuclei NUCLEAR REACTIONS 206Pb(206Pb, X), E=5.90 MeV/nucleon; measured e+e--sum energy spectra, Doppler corrected Eγ; deduced internal pair conversion to gamma branching ratio. 232Th(208Pb, X), E=5.80 MeV/nucleon; 238U(208Pb, X), E=5.80 MeV/nucleon; 181Ta(238U, X), E=5.95 MeV/nucleon; 232Th(238U, X), E=5.90 MeV/nucleon; measured e+e--sum energy, Doppler corrected Eγ; deduced no discrete lines evidence in e+e- spectra. 238U deduced new levels evidence.
doi: 10.1103/PhysRevC.55.R2755
1993CH41 Phys.Rev. C48, 2607 (1993) A.A.Chishti, P.Chowdhury, D.J.Blumenthal, P.J.Ennis, C.J.Lister, Ch.Winter, D.Vretenar, G.Bonsignori, M.Savoia Collectivity in Light Zirconium Isotopes: Evolution with neutron number and angular momentum NUCLEAR REACTIONS 58Ni(29Si, n2p), E=110 MeV; measured Eγ, Iγ, DCO ratios. 58Ni(32S, 2pα), E=110 MeV; measured Iγ(θ). 54Fe(33S, n2p), E=105 MeV; analyzed data. 58Ni(28Si, 2n2p), E not given; measured recoil distance. 84Zr deduced levels, J, π, band structure. 82Zr levels deduced T1/2. Models comparison. NUCLEAR STRUCTURE 86,84,82Zr; calculated levels, g factors, B(λ). Interacting boson model, collective core inclusion.
doi: 10.1103/PhysRevC.48.2607
1993KA34 Nucl.Instrum.Methods Phys.Res. A330, 447 (1993) N.I.Kaloskamis, K.C.Chan, A.A.Chishti, J.S.Greenberg, C.J.Lister, S.J.Freedman, M.Wolanski, J.Last, B.Utts The Trigger Detector for APEX: An array of position-sensitive NaI(Tl) detectors for the imaging of positrons from heavy-ion collisions RADIOACTIVITY 68Ge(EC); measured γγ-coin. Position sensitive cylindrical NaI(Tl) detector.
doi: 10.1016/0168-9002(93)90574-2
1993MC03 Z.Phys. A344, 369 (1993) J.H.McNeill, A.A.Chishti, P.J.Daly, W.Gelletly, M.A.C.Hotchkis, M.Piiparinen, B.J.Varley, P.J.Woods, J.Blomqvist Isomeric Decay Studies using a Recoil Mass Separator. Exotic N = 82 and 83 Nuclei 153Yb, 153Lu, 154Lu and 154Hf NUCLEAR REACTIONS 102Pd(54Fe, X), E=245 MeV; measured γ(recoil)-, γγ-coin. 153Yb, 153,154Lu deduced isomer decay, levels, J, π, B(λ), transition Iγ, configuration. 154Hf deduced levels, J, π, configuration.
doi: 10.1007/BF01283192
1991HE02 Phys.Rev. C43, R921 (1991) J.Heese, D.J.Blumenthal, A.A.Chishti, P.Chowdhury, B.Crowell, P.J.Ennis, C.J.Lister, Ch.Winter Observation of Simultaneous g9/2 Proton and Neutron Alignment in 74Kr NUCLEAR REACTIONS 40Ca(40Ca, 2pα), E=125, 140 MeV; measured Iγ, Eγ, γγ-coin, αγγ-coin, DSA. 74Kr deduced levels, J, π, T1/2, rotational bands, B(E2), transitional quadrupole moments, deformation parameters.
doi: 10.1103/PhysRevC.43.R921
1990CH07 J.Phys.(London) G16, 481 (1990) A.A.Chishti, W.Gelletly, C.J.Lister, B.J.Varley, O.Skeppstedt Alignment Anomalies in the Study of High Spins in 79Sr NUCLEAR REACTIONS 58Ni(24Mg, n2p), E=65-110 MeV; 24Mg(58Ni, n2p), E=190 MeV; measured γγ-, (recoil)γγ-coin. 79Sr deduced levels, J, π, band structure.
doi: 10.1088/0954-3899/16/3/018
1990HE04 Phys.Rev. C41, 603 (1990) J.Heese, K.P.Lieb, S.Ulbig, B.Wormann, J.Billowes, A.A.Chishti, W.Gelletly, C.J.Lister, B.J.Varley Electromagnetic Transition Strengths between High Spin States in 79Sr and 80Sr NUCLEAR REACTIONS 58Ni(24Mg, n2p), (24Mg, 2p), E=80, 85 MeV; 54Fe(32S, 2pα), E=103, 107 MeV; measured Eγ, Iγ, γγ-, nγ-coin, DSA. 79Sr deduced levels, J, π, T1/2, rotational bands, B(E2), transitional quadrupole moments, deformation parameters. 80Sr deduced levels, T1/2, B(E2), transitional quadrupole moments. Cranked shell model.
doi: 10.1103/PhysRevC.41.603
1990LI25 Phys.Rev. C42, R1191 (1990) C.J.Lister, P.J.Ennis, A.A.Chishti, B.J.Varley, W.Gelletly, H.G.Price, A.N.James Shape Changes in N = Z Nuclei from Germanium to Zirconium NUCLEAR REACTIONS, ICPND 12C(54Fe, 2n), E=155, 165 MeV; 12C(58Ni, 2n), E=175 MeV; 24Mg(54Fe, 2n), E=175 MeV; measured Eγ, Iγ, γγ-, recoil γ-, recoil γγ-coin, production σ. 64Ge, 68Se, 76Sr deduced levels. Compton suppressed Ge detectors, recoil separator, NE213 detectors.
doi: 10.1103/PhysRevC.42.R1191
1990MC02 Z.Phys. A335, 241 (1990) J.H.McNeill, J.Blomqvist, A.A.Chishti, P.J.Daly, W.Gelletly, M.A.C.Hotchkis, M.Piiparinen, B.J.Varley, P.J.Woods A 35 μs Isomer in the Exotic N = 83 Nucleus 154Lu NUCLEAR REACTIONS 102Pd(54Fe, X), E=245 MeV; measured γγ-coin. 154Lu deduced isomer T1/2, decay features, levels, J, π, configuration, B(λ).
1990SK02 Nucl.Phys. A511, 137 (1990) O.Skeppstedt, C.J.Lister, A.A.Chishti, B.J.Varley, W.Gelletly, U.Lenz, R.Moscrop, L.Goettig High-Spin Structure of 79Rb NUCLEAR REACTIONS 24Mg(58Ni, 3p), E=190 MeV; measured Eγ, Iγ, γγ-coin. 79Rb deduced levels, J, π. Enriched target, germanium detector array, recoil separator.
doi: 10.1016/0375-9474(90)90030-P
1989CH36 Nucl.Phys. A501, 568 (1989) A.A.Chishti, W.Gelletly, C.J.Lister, J.H.McNeill, B.J.Varley, D.J.G.Love, O.Skeppstedt High-Spin States in 75Kr NUCLEAR REACTIONS 24Mg(54Fe, n2p), E=177, 190 MeV; measured γγ-, nγγ-coin. 75Kr deduced levels, J, π, band structure.
doi: 10.1016/0375-9474(89)90149-8
1989GR07 Phys.Rev. C39, 1780 (1989) C.J.Gross, J.Heese, K.P.Lieb, C.J.Lister, B.J.Varley, A.A.Chishti, J.H.McNeil, W.Gelletly High Spin States in 78Sr NUCLEAR REACTIONS 58Ni(24Mg, 2n2p), E=110 MeV; measured Eγ, Iγ, γγ-, nγγ-coin. 78Sr deduced levels, J, π. Cranked shell model.
doi: 10.1103/PhysRevC.39.1780
1989GR21 Nucl.Phys. A501, 367 (1989) C.J.Gross, J.Heese, K.P.Lieb, S.Ulbig, W.Nazarewicz, C.J.Lister, B.J.Varley, J.Billowes, A.A.Chishti, J.H.McNeill, W.Gelletly Band Crossings and Near-Rigid Rotation in 76Kr and 78Kr NUCLEAR REACTIONS 58Ni(24Mg, 2pα), E=85, 110 MeV; 58Ni(24Mg, 4p), E=110 MeV; measured Eγ, Iγ, γγ-coin, DSA. 76,78Kr deduced levels, J, π, T1/2, band structure. Enriched target.
doi: 10.1016/0375-9474(89)90298-4
1989MC01 Z.Phys. A332, 105 (1989) J.H.McNeill, A.A.Chishti, P.J.Daly, M.A.C.Hotchkis, M.Piiparinen, B.J.Varley A 15 μs Isomer in the Z = 70 N = 83 Nucleus 153Yb NUCLEAR REACTIONS 102Pd(54Fe, X), E=245 MeV; measured Eγ, Iγ, γγ-, γ(X-ray)-coin. 153Yb deduced isomer, T1/2, J, π, configuration. Fusion-evaporation recoil product mass analysis.
1989MC07 Phys.Rev.Lett. 63, 860 (1989) J.H.McNeill, J.Blomqvist, A.A.Chishti, P.J.Daly, W.Gelletly, M.A.C.Hotchkis, M.Piiparinen, B.J.Varley, P.J.Woods Exotic N = 82 Nuclei 153Lu and 154Hf and Filling of the πh11/2 Subshell NUCLEAR REACTIONS 102Pd(54Fe, 2n), (54Fe, np), (54Fe, 2np), (54Fe, n2p), E=235, 245 MeV; measured relative isomeric yields; calculated residual production σ. γ-ray spectroscopy. RADIOACTIVITY 153mLu, 154mHf [from 102Pd(54Fe, xnyp), E=235, 245 MeV]; measured γγ-, γ(X-ray)-coin; deduced isomer T1/2, configuration, decay scheme, level J, π, B(λ).
doi: 10.1103/PhysRevLett.63.860
1988GR23 Z.Phys. A331, 361 (1988) C.J.Gross, J.Heese, K.P.Lieb, L.Luhmann, B.Wormann, A.A.Chishti, W.Gelletly, C.J.Lister, J.H.McNeill, B.J.Varley Simultaneous g9/2 Proton and Neutron Alignments in 76Kr NUCLEAR REACTIONS 58Ni(24Mg, 2pα), E=110 MeV; 40Ca(40Ca, 4p), E=155 MeV; measured Eγ, Iγ, γγ-coin. 76Kr deduced levels, J, π, moment of inertia, alignment features.
1988MO24 J.Phys.(London) G14, L189 (1988) R.Moscrop, A.A.Chishti, W.Gelletly, C.J.Lister, B.J.Varley Pseudo-Mirror Nuclei with A = 100 and A = 130 NUCLEAR STRUCTURE 100,104,106Mo, 130,128,126Ce, 134,132,130Nd, 98,100,102Zr; analyzed, compared A ≈ 100, A ≈ 130 levels; deduced similarity, pseudo-mirror nature.
doi: 10.1088/0305-4616/14/9/003
1987LI14 Phys.Rev.Lett. 59, 1270 (1987) C.J.Lister, M.Campbell, A.A.Chishti, W.Gelletly, L.Goettig, R.Moscrop, B.J.Varley, A.N.James, T.Morrison, H.G.Price, J.Simpson, K.Connel, O.Skeppstedt Gamma Radiation from the N = Z Nucleus 8040Zr40 NUCLEAR REACTIONS 24Mg(58Ni, 2n), E=180 MeV; measured σ, Eγ, Iγ, γγ-coin. 80Zr deduced levels, quadrupole deformation. Recoil separator, Ge detectors.
doi: 10.1103/PhysRevLett.59.1270
1987VA23 Phys.Lett. 194B, 463 (1987) B.J.Varley, M.Campbell, A.A.Chishti, W.Gelletly, L.Goettig, C.J.Lister, A.N.James, O.Skeppstedt Evidence for Shape Coexistence in the N = Z Nucleus 3672Kr36 NUCLEAR REACTIONS 16O(58Ni, 2n), E=170 MeV; measured Eγ, Iγ, σ. 72Kr deduced level, production σ, γ transitions. Recoil Separator.
doi: 10.1016/0370-2693(87)90217-6
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