Zobrazeno 1 - 10 of 28 pro vyhledávání: '"C. H. Poppe"'
1
Low-lying Gamow-Teller states inNb92
Autor: J. D. Anderson, Wolfgang Scobel, V. R. Brown, S. Stamer, R. Langkau, C. H. Poppe, V. A. Madsen, S. M. Grimes, R. W. Bauer, B.A. Pohl
Publikováno v: Physical Review C. 53:2709-2717
Cross sections for the (p,n) reaction on targets of $^{90}\mathrm{Zr}$ and $^{92}\mathrm{Zr}$ have been measured at 26 MeV. Our resolution for these measurements was better than 200 keV and allowed the observation of numerous ${1}^{+}$ states in $^{9
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b05bae55889de33b630d964628f0c342
https://doi.org/10.1103/physrevc.53.2709
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2
Theoretical treatment of analog (p,n) cross sections for odd nuclei: Application to measurements ofPd105at 26 MeV
Autor: S. Stamer, S. M. Grimes, V. A. Madsen, V. R. Brown, Mordhorst E, J. D. Anderson, Wolfgang Scobel, C. H. Poppe, R. W. Bauer, B.A. Pohl
Publikováno v: Physical Review C. 47:2077-2092
Differential cross sections for the ([ital p],[ital n]) reaction to the ground-state and excited-state analogs of [sup 105]Pd have been measured at a proton bombarding energy of 26 MeV. Both the magnitude and the angular distribution of the cross sec
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::856ddca2d3565d9cba180b5685415379
https://doi.org/10.1103/physrevc.47.2077
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3
Analog (p,n) cross sections of even-even palladium isotopes at 26 MeV
Autor: B.A. Pohl, V. R. Brown, Steven M. Grimes, C. H. Poppe, W. Scobel, J. D. Anderson, V. A. Madsen, Mordhorst E, S. Stamer, R. W. Bauer
Publikováno v: Physical review. C, Nuclear physics. 41(5)
The differential cross sections for the ({ital p},{ital n}) reaction to the ground-state and first 2{sup +} excited analogs of the four even palladium isotopes (104, 106, 108, and 110) have been measured at a proton bombarding energy of 26 MeV. Integ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1ca0c9d86768080ed20906a4831d31a
https://pubmed.ncbi.nlm.nih.gov/9966565
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5
Excitation of analogue isovector resonances via the (n,p) reaction at 60 MeV
Autor: M.L. Webb, G. A. Needham, N. S. P. King, J. L. Romero, F. P. Brady, C. H. Poppe, T. D. Ford, V. R. Brown, C. M. Castaneda, J.L. Ullmann
Publikováno v: Journal of Physics G: Nuclear Physics. 10:363-381
The (n,p) charge-exchange reaction is used as a selective tool for studying T+1 isovector excitations. Here, 60 MeV neutrons have been used to measure (n,p) spectra from a range of nuclei. For 6Li and 7Li large components of l=1 dipole strength, not
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e414621ed1e847d723df804827b35cd5
https://doi.org/10.1088/0305-4616/10/3/011
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6
Comment on 'Isospin and strong-coupling effects in neutron scattering from even-ASe isotopes'
Autor: S. M. Grimes, C. H. Poppe, V. R. Brown, C. Wong, V. A. Madsen
Publikováno v: Physical Review C. 24:2359-2362
The effect of coupling of the two-phonon states on elastic and 2/sup +/ inelastic cross sections is calculated for 8 MeV neutrons incident on /sup 76,80,82/Se. Isospin optical parameters and deformation parameters are determined from comparison with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::327e53f9e30da2409812b8c28dc168f5
https://doi.org/10.1103/physrevc.24.2359
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7
Excitation and decay of analogs of excited states ofSn119
Autor: C. H. Poppe, J. S. Lilley, D.H. Fitzgerald, Steven M. Grimes
Publikováno v: Physical Review C. 18:1207-1216
The (p,n') reaction to excited isobaric analog states of /sup 119/Sn has been observed using a neutron-proton (n-p) coincidence technique. The n-p coincidence was essential to reduce the neutron background due to population of the t/sub less-than/ st
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::906575ae733789133376655a65ee833e
https://doi.org/10.1103/physrevc.18.1207
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8
sup3He+3He reaction cross sections at 17.9, 21.7, and 24.0 MeV
Autor: F. D. Correll, J. A. Koepke, Ronald E. Brown, P. M. Hegland, C. H. Poppe
Publikováno v: Physical Review C. 35:383-392
The total reaction cross section sigma/sub R/ for /sup 3/He+ /sup 3/He has been obtained at laboratory bombarding energies of 17.9, 21.7, and 24.0 MeV by measuring the individual cross sections for production of protons, deuterons, tritons, /sup 3/He
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9fa41948652963a3bf47a69213629c49
https://doi.org/10.1103/physrevc.35.383
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10
Excitation of0+,2+,0+′,2+′,4+analog states in the even selenium isotopes with 19—25 MeV protons; coupled-channel analysis
Autor: S. M. Grimes, C. H. Poppe, C. Wong, V. A. Madsen, V. R. Brown
Publikováno v: Physical Review C. 26:889-903
Analogs of the ground state and the 2/sup +/ one-phonon state have been populated in /sup 76,80,82/Se(p,n) by 19, 20, 22, and 25 MeV protons. The two-phonon triplet in /sup 76/Se(p,n), the 4/sup +/ analog state and the 0/sup +/',2/sup +/' doublet in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bdd31311d02de16e51a90e10621821b
https://doi.org/10.1103/physrevc.26.889
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