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Wilcox, K.H.
California Univ., Berkeley (USA)1975
California Univ., Berkeley (USA)1975
AbstractAbstract
[en] The 26Mg(7Li,8B)25Ne reaction at 78.9 MeV was used to measure the mass excess of 25Ne (-2.18 +- 0.10 MeV) and several low-lying excited states. Mass excesses for 43Ar (-31.98 +- 0.07 MeV), 45Ar (-29.727 +- 0.06 MeV), and 46Ar (-29.732 +- 0.07 MeV) were determined from the 48Ca (α,/sup 9,7/Be)/sup 43,45/Ar reactions at 77.7 MeV and the 48Ca(6Li,8B)46Ar reaction at 80.1 MeV. Several excited states of 43Ar and 45Ar were observed. These and the excited states of 25Ne are compared with theoretical predictions. Ground state differential cross sections are given for all reactions, ranging from 0.1 to 1 μb/sr at forward angles. Upper limits of about 1 to 25 nb/sr were determined for the ground state cross sections of the reactions 48Ca(α/sup 8,10,11/B)/sup 44,42,41/Cl and 48Ca(α,/sup 10-13/C)/sup 42-39/S at 110 MeV. Recoil coincidence techniques were used to measure the mass excess of the particle-unbound nucleus 10Li(33.83 +- 0.25 MeV) by the 9Be(9Be,8B)10Li reaction at 121 MeV; the ground state cross section was 30 nb/sr. The 14C(9Be,8B)15B reaction at 120 MeV was also investigated using coincidence techniques. Contamination problems only permitted determining a ground state cross section upper limit of 50 nb/sr. A simple mass relation is derived. Comparison is made with the Garvey--Kelson relation. The modified mass relation often accounts for highly neutron-excess nuclei better
Original Title
Differential cross sections
Primary Subject
Source
1975; 102 p; University Microfilms Order No. 76-15,446.; Thesis (Ph. D.).
Record Type
Report
Literature Type
Thesis/Dissertation
Country of publication
ARGON ISOTOPES, BETA DECAY RADIOISOTOPES, BETA-PLUS DECAY RADIOISOTOPES, BORON ISOTOPES, CROSS SECTIONS, DIRECT REACTIONS, ENERGY RANGE, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, HEAVY ION REACTIONS, INTERMEDIATE MASS NUCLEI, ISOTOPES, LIGHT NUCLEI, LITHIUM ISOTOPES, MEV RANGE, NEON ISOTOPES, NUCLEAR REACTIONS, NUCLEI, ODD-EVEN NUCLEI, ODD-ODD NUCLEI, RADIOISOTOPES, SECONDS LIVING RADIOISOTOPES, TARGETS
Reference NumberReference Number
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Wilcox, K.H.
California Univ., Berkeley (USA). Lawrence Berkeley Lab1975
California Univ., Berkeley (USA). Lawrence Berkeley Lab1975
AbstractAbstract
[en] The 26Mg(7Li,8B)25Ne reaction at 78.9 MeV was used to measure the mass-excess of 25Ne (-2.18 +- 0.10 MeV) and several low-lying excited states. Mass-excesses for 43Ar (-31.98 +- 0.07 MeV), 45Ar (-29.727 +- 0.06 MeV), and 46Ar (-29.732 +- 0.07 MeV) were determined from the 48Ca(α,9,7Be)43,45Ar reactions at 77.7 MeV and the 48Ca(6Li,8B)46Ar reaction at 80.1 MeV. Several excited states of 43Ar and 45Ar were observed. These and the excited states of 25Ne are compared with theoretical predictions. Ground state differential cross sections are given for all reactions, ranging from 0.1 to 1 μb/sr at forward angles. Upper limits of about 1 to 25 nb/sr were determined for the ground state cross sections of the reactions 48Ca(α,8,10,11B)44,42,41Cl and 48Ca(α,10-13C)42-39S at 110 MeV. Recoil coincidence techniques were used to measure the mass-excess of the particle-unbound nucleus 10Li(33.83 +- 0.25 MeV) by the 9Be(9Be,8B)10Li reaction at 121 MeV; the ground state cross section was 30 nb/sr. The 14C(9Be,8B)15B reaction at 120 MeV was also investigated using coincidence techniques. Contamination problems only permitted determining a ground state cross section upper limit of 50 nb/sr. A simple mass relation is derived, similar in approach to the Garvey-Kelson method but taking more explicit account of shell effects. Comparison is made with the Garvey-Kelson relation, and predictions of masses and of the stability of neutron-excess light nuclei are given for both methods. The modified mass relation is shown to offer better account for highly neutron-excess nuclei, including the values reported here for 25Ne and 43,45,46Ar. (26 figures, 2 tables, 66 references)
Original Title
Mass excess
Primary Subject
Source
May 1975; 102 p; Thesis.
Record Type
Report
Report Number
Country of publication
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
AbstractAbstract
No abstract available
Primary Subject
Record Type
Journal Article
Journal
Physical Review Letters; v. 28(19); p. 1278-1281
Country of publication
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
AbstractAbstract
No abstract available
Original Title
79 MeV, cross sections, Q, spectra
Primary Subject
Record Type
Journal Article
Journal
Physical Review Letters; v. 30(18); p. 866-869
Country of publication
BEAMS, BETA DECAY RADIOISOTOPES, BETA-PLUS DECAY RADIOISOTOPES, BORON ISOTOPES, ENERGY, ENERGY RANGE, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, HEAVY ION REACTIONS, ION BEAMS, ISOTOPES, LIGHT NUCLEI, MAGNESIUM ISOTOPES, MEV RANGE, NEON ISOTOPES, NUCLEI, ODD-ODD NUCLEI, RADIOISOTOPES, SECONDS LIVING RADIOISOTOPES, SPECTRA, STABLE ISOTOPES
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Weisemiller, R.B.; Wilcox, K.H.; Ashery, D.; Wozniak, G.J.; Cerny, J.
Nuclear science annual report, 19751975
Nuclear science annual report, 19751975
AbstractAbstract
[en] Information on 5H has been obtained by comparing energy spectra from (6Li, 8B) reactions on 6,7Li at a bombarding energy of 93.3 MeV
Primary Subject
Source
Conzett, H.E.; Heckman, H.H.; Myers, W.D. (eds.); California Univ., Berkeley (USA). Lawrence Berkeley Lab; p. 82-83; 1975; p. 82-83
Record Type
Report
Literature Type
Progress Report
Report Number
Country of publication
BETA DECAY RADIOISOTOPES, BETA-PLUS DECAY RADIOISOTOPES, BORON ISOTOPES, DIRECT REACTIONS, ENERGY RANGE, HEAVY ION REACTIONS, HYDROGEN ISOTOPES, ISOTOPES, LIGHT NUCLEI, MEV RANGE, NUCLEAR REACTIONS, NUCLEI, ODD-EVEN NUCLEI, ODD-ODD NUCLEI, RADIOISOTOPES, SECONDS LIVING RADIOISOTOPES, SPECTRA, TARGETS, TRANSFER REACTIONS
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Jelley, N.A.; Arvieux, J.; Weisenmiller, R.B.; Wilcox, K.H.; Wozniak, G.J.; Cerny, J.
Nuclear chemistry annual report, 19721973
Nuclear chemistry annual report, 19721973
AbstractAbstract
No abstract available
Original Title
49.4 MeV: energy spectra
Primary Subject
Source
Hendrie, D.L.; Tsang, C.F.; Zalkin, A. (eds.); California Univ., Berkeley (USA). Lawrence Berkeley Lab; p. 70-71; May 1973
Record Type
Report
Literature Type
Progress Report
Report Number
Country of publication
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Wilcox, K.H.; Jelley, N.A.; Wozniak, G.J.; Weisenmiller, R.B.; Harney, H.L.; Cerny, J.
Nuclear chemistry annual report, 19721973
Nuclear chemistry annual report, 19721973
AbstractAbstract
No abstract available
Original Title
78.9 MeV: Q, spectra, cross section
Primary Subject
Source
Hendrie, D.L.; Tsang, C.F.; Zalkin, A. (eds.); California Univ., Berkeley (USA). Lawrence Berkeley Lab; p. 74-76; May 1973
Record Type
Report
Literature Type
Progress Report
Report Number
Country of publication
BEAMS, BETA DECAY RADIOISOTOPES, BETA-PLUS DECAY RADIOISOTOPES, BORON ISOTOPES, ENERGY, ENERGY RANGE, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, HEAVY ION REACTIONS, ION BEAMS, ISOTOPES, LIGHT NUCLEI, MAGNESIUM ISOTOPES, MEV RANGE, NEON ISOTOPES, NUCLEI, ODD-ODD NUCLEI, RADIOISOTOPES, SECONDS LIVING RADIOISOTOPES, SPECTRA, STABLE ISOTOPES
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Cerny, J.; Weisenmiller, R.B.; Jelley, N.A.; Wilcox, K.H.; Wozniak, G.J.
Nuclear chemistry. Annual report, 19741975
Nuclear chemistry. Annual report, 19741975
AbstractAbstract
No abstract available
Original Title
79.6 MeV: energy spectra
Primary Subject
Source
Conzett, H.E.; Edelstein, N.M.; Tsang, C.F. (eds.); California Univ., Berkeley (USA). Lawrence Berkeley Lab; p. 83-84; Jul 1975
Record Type
Report
Literature Type
Progress Report
Report Number
Country of publication
BARYONS, BETA DECAY RADIOISOTOPES, BETA-PLUS DECAY RADIOISOTOPES, CARBON ISOTOPES, DIRECT REACTIONS, ELEMENTARY PARTICLES, ENERGY RANGE, EVEN-EVEN NUCLEI, FERMIONS, HADRONS, HEAVY ION REACTIONS, ISOTOPES, LIGHT NUCLEI, LITHIUM ISOTOPES, MEV RANGE, NUCLEAR REACTIONS, NUCLEI, NUCLEONS, ODD-EVEN NUCLEI, RADIOISOTOPES, SECONDS LIVING RADIOISOTOPES, SPECTRA, STABLE ISOTOPES, TRANSFER REACTIONS
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
AbstractAbstract
No abstract available
Primary Subject
Record Type
Journal Article
Journal
Phys. Lett., B; v. 53(3); p. 247-249
Country of publication
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
Cerny, J.; Weisenmiller, R.B.; Jelley, N.A.; Wilcox, K.H.; Wozniak, G.J.
Proceedings of the International Conference on Nuclear Physics held at Munich, Germany, 27 Aug - 1 Sep 19731973
Proceedings of the International Conference on Nuclear Physics held at Munich, Germany, 27 Aug - 1 Sep 19731973
AbstractAbstract
No abstract available
Primary Subject
Source
Boer, J. de; Mang, H.J. (eds.); v. 1 p. 465; ISBN 0720402808; 
; 1973; North-Holland Publishing Company; Amsterdam; International conference on nuclear physics; Munich, Germany; 27 Aug 1973; Short communication only.
; 1973; North-Holland Publishing Company; Amsterdam; International conference on nuclear physics; Munich, Germany; 27 Aug 1973; Short communication only.
Record Type
Book
Literature Type
Conference
Country of publication
BERYLLIUM ISOTOPES, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, BETA-PLUS DECAY RADIOISOTOPES, BORON ISOTOPES, CROSS SECTIONS, DIRECT REACTIONS, DISTRIBUTION, ENERGY LEVELS, ENERGY RANGE, EVEN-EVEN NUCLEI, HEAVY ION REACTIONS, ISOTOPES, LIGHT NUCLEI, MEV RANGE, NUCLEAR REACTIONS, NUCLEI, ODD-ODD NUCLEI, RADIOISOTOPES, SECONDS LIVING RADIOISOTOPES, TARGETS, TRANSFER REACTIONS, YEARS LIVING RADIOISOTOPES
Reference NumberReference Number
INIS VolumeINIS Volume
INIS IssueINIS Issue
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