Zobrazeno 1 - 10
of 75
pro vyhledávání: '"P.B. Treacy"'
Autor:
P.B. Treacy, H.J. Hay
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 48:107-110
Analysis of decays of Rydberg ions produced in beam-foil conditions shows that populations are observed to emerge in the form n−β, where n is the principal quantum number and the index β is significantly less than the value 3 expected from most c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edce5b73e50421e9f4c93ea00a8f1e7d
https://doi.org/10.1016/0168-583x(90)90084-8
https://doi.org/10.1016/0168-583x(90)90084-8
Publikováno v:
Nuclear Instruments and Methods. 170:261-264
Scattered beam, X-ray coincidence studies have been made for L and M X-rays induced by 2 MeV protons and 60 MeV 16O ions in thin-film targets of thorium. Coincidences were established by the output of a time-to-amplitude converter started and stopped
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce3422845d6b836f3b1323918e841c24
https://doi.org/10.1016/0029-554x(80)91023-x
https://doi.org/10.1016/0029-554x(80)91023-x
Publikováno v:
Nuclear Physics A. 273:397-409
The excitation function of the 12 C(α, γ 0 ) reaction at θ = 90° has been remeasured for bombarding energies between 6.5 and 8.5 MeV. The measurement was made to resolve discrepancies apparent in earlier measurements relating to the absolute cros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5af0a53dc5993f3c4b586a7ec83fe3fe
https://doi.org/10.1016/0375-9474(76)90599-6
https://doi.org/10.1016/0375-9474(76)90599-6
Autor:
P.B. Treacy
Publikováno v:
Nuclear Physics A. 240:413-424
In an earlier paper, the cross section for a direct reaction to a generalised positive-energy final state, described by an R -matrix wave function, was derived. Here a distinction is emphasised between two classes of such a reaction, depending on whe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80af4ad78822fa4c7008a4e9b551d917
https://doi.org/10.1016/0375-9474(75)90300-0
https://doi.org/10.1016/0375-9474(75)90300-0
Publikováno v:
Nuclear Instruments and Methods. 132:213-218
Radiation damage has been created and monitored in NaCl single crystals using 1 MeV 4He ions up to doses in excess of 2 × 1017 ions/cm2. With the ion beam channeled along a 〈100〉 axis, simultaneous measurements have been made of the back-scatter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::926f27014504b3e4e6e188b83fbbf80b
https://doi.org/10.1016/0029-554x(76)90737-0
https://doi.org/10.1016/0029-554x(76)90737-0
Autor:
P.B. Treacy
Publikováno v:
Nuclear Physics A. 96:145-158
The scattering amplitude and reaction line shapes in a spinless charged-particle channel, are analysed in terms of poles in angular momentum. The case of 4He plus 4He is considered as an example of the one-pole approximation. Practical difficulties a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48ebe15b4ef86ec8fde679a8814dfe48
https://doi.org/10.1016/0375-9474(67)90701-4
https://doi.org/10.1016/0375-9474(67)90701-4
Publikováno v:
Nuclear Physics A. 143:109-112
Comparison of the ratio of yields of the 26 Mg( 3 He, p) 28 Al and 27 Al(d, p) 28 Al transitions shows a strong enhancement for transitions to the 5.989 MeV state of 28 A1. This and the ( 3 He, p) angular distribution, support an assignment T = 2 for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::132b93758056fa1695fffee7d89794bb
https://doi.org/10.1016/0375-9474(70)90683-4
https://doi.org/10.1016/0375-9474(70)90683-4
Autor:
G.D. Symons, P.B. Treacy
Publikováno v:
Nuclear Physics. 46:93-107
Detailed angular distributions were measured of alpha particles from the B/sup 11/(p, alpha )Be/sup 8/ reaction for proton energies between 0.7 and 6.0 Mev. Previous spin and parity assign ments of 0/sup +/ and 2/sup +/ for levels at 17.77 and 18.34
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85feea1dd2ae3b7987f3d866484a878a
https://doi.org/10.1016/0029-5582(63)90567-4
https://doi.org/10.1016/0029-5582(63)90567-4
Autor:
P.B. Treacy
Publikováno v:
Nuclear Physics A. 193:97-112
The cross section for a direct reaction to a decaying final state is calculated using an R -matrix expansion for the final-state wave function. The theory is applied to a (d, p) reaction to a fissioning nucleus, with a simple two-centre fission model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a82a18a794e8ebff895bd67d5f212fa
https://doi.org/10.1016/0375-9474(72)90238-2
https://doi.org/10.1016/0375-9474(72)90238-2
Publikováno v:
Nuclear Physics. 54:689-693
Gamma rays have been detected from bombardment of thin Be 9 targets with beams of 1.5 to 4.5 MeV He 3 ions. Transitions are identified via Be 9 (He 3 , α) to the 17.6 MeV level of Be 8 , and via Be 9 (He 3 , γ) to the ground state and first-excited
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62b0e3fcdccf1f67fc4f52c6eb65540d
https://doi.org/10.1016/0029-5582(64)90445-6
https://doi.org/10.1016/0029-5582(64)90445-6