Výsledky vyhledávání - "G. J. Gyapong"

Can break-up reactions be used to probe high-lying inelastic channels in scattering?

Publikováno v: Journal of Physics G: Nuclear and Particle Physics. 24:167-173

The reaction has been studied to investigate a possible overlap with the scattering resonances observed in the and channels. Evidence for the break-up of was observed, but the yield was too low to be able to associate it with specific resonances.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3cc96a9565c06e8dc6afce523dfe7637
https://doi.org/10.1088/0954-3899/24/1/020

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Two-dimensional alpha cluster structures in 28Si

Autor: G.R. Kelly, Martin Freer, W. N. Catford, W.D.M. Rae, S. J. Hall, D. L. Watson, R. P. Ward, S. P. Fox, P. Lee, C. D. Jones, R.A. Le Marechal, S. M. Singer, G. J. Gyapong, N. Curtis, S. P. G. Chappell

Publikováno v: Nuclear Physics A. 620:55-70

A study has been made of the 12C(16O,12C12C) α reaction between the centre of mass energies of 28.3 to 36.8 MeV. A number of resonances in 28Si have been observed for final channels leading to the unbound 10.35, 11.09 and 14.82 MeV states in 16O. At

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae8358ccfca588b2b8a0654252f8371b
https://doi.org/10.1016/s0375-9474(97)00152-8

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Energy dependence of the , and reactions

Autor: S. J. Hoad, P. Lee, B.R. Fulton, Martin Freer, R. P. Ward, N. M. Clarke, C. D. Jones, G. J. Gyapong, R.A. Le Marechal, W. N. Catford, G.R. Kelly

Publikováno v: Journal of Physics G: Nuclear and Particle Physics. 22:1053-1067

Measurements of the energy dependence of the reactions , and have been performed at beam energies ranging from 51 to 66 MeV. Silicon strip detectors were used to detect the decays of nuclei excited to the , 7.65 MeV and , 9.64 MeV excited states. Cor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72eee4a8dc613b9e73de565e74b64db3
https://doi.org/10.1088/0954-3899/22/7/011

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Evidence for a highly deformed band inO16+16O breakup ofS32

Publikováno v: Physical Review C. 53:1804-1810

A study of the $^{12}\mathrm{C}$${(}^{24}$Mg${,}^{16}$O $^{16}\mathrm{O}$${)}^{4}$He reaction has revealed $^{16}\mathrm{O}$ + $^{16}\mathrm{O}$ breakup from states in $^{32}\mathrm{S}$ in the excitation region ranging from 32 to 38 MeV. The spins of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0e291a2f563efbfc123be31e21d29f7
https://doi.org/10.1103/physrevc.53.1804

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Search for a 7-α chain state

Autor: C. D. Jones, N. M. Clarke, W. N. Catford, G. J. Gyapong, S. P. G. Chappell, S. P. Fox, W.D.M. Rae, S. J. Hall, J. S. Pople, B. R. Fulton, Martin Freer, G. Tungate, M. J. Leddy, D. L. Watson, S. M. Singer, P. M. Simmons, R. P. Ward, P. H. Regan, N. Curtis

Publikováno v: Physical Review C. 51:3500-3503

The reaction {sup 12}C({sup 16}O,7{alpha}) has been studied over the center-of-mass energy range from 37.7 MeV to 51.4 MeV, in a search for evidence for a 7-{alpha} chain state in {sup 28}Si. The yields of the {sup 12}C(0{sub 2}{sup +})-{sup 12}C(0{s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8bb1b224dfe560cacc157e5d55e50b08
https://doi.org/10.1103/physrevc.51.3500

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Be8and α decay ofO16

Autor: P. M. Simmons, S. P. Fox, W.D.M. Rae, S. J. Hall, M. J. Leddy, N. M. Clarke, Martin Freer, P. H. Regan, J. S. Pople, D. L. Watson, B.R. Fulton, N. Curtis, W. N. Catford, G. Tungate, C. D. Jones, S. M. Singer, S. P. G. Chappell, G. J. Gyapong, R. P. Ward

Publikováno v: Physical Review C. 51:1682-1692

The $^{12}\mathrm{C}$${(}^{16}$O,4\ensuremath{\alpha}${)}^{12}$C reaction has been studied at a beam energy of 99 MeV. The data indicate the existence of sequential decays in the form $^{16}\mathrm{O}^{\mathrm{*}}$\ensuremath{\rightarrow}4\ensuremath

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0db854e1afaa5b18f9024602b6965b6
https://doi.org/10.1103/physrevc.51.1682

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Association of theC12+12C breakup states inMg24with the quasimolecular resonances

Autor: R. P. Ward, D. L. Watson, S. M. Singer, S. P. G. Chappell, W.D.M. Rae, S. J. Hall, N. Curtis, M. J. Leddy, W. N. Catford, N. M. Clarke, B.R. Fulton, P. M. Simmons, G. J. Gyapong, J. S. Pople, C. D. Jones, A.S. Murphy, S. P. Fox

Publikováno v: Physical Review C. 51:1554-1557

A high resoution measurement of the $^{12}\mathrm{C}$${(}^{24}$Mg${,}^{12}$${\mathrm{C}}^{12}$C${)}^{12}$C reaction shows that the $^{24}\mathrm{Mg}$ breakup states have widths in the region of 100 to 250 keV. The energies, widths, and spins of these

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea0f8359c31ebf8a0eacf986e20ae40d
https://doi.org/10.1103/physrevc.51.1554

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The construction and operation of a hybrid gas-silicon detector for studies of cluster breakup reactions

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 351:359-370

A hybrid detector system has been constructed consisting of a gas filled ionization chamber and a large area silicon semiconductor strip detector within the same gas volume. The construction and operation of these detectors is described, together wit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5636e2c324785e7d9352cd90e530488
https://doi.org/10.1016/0168-9002(94)91364-1

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Spectroscopy of the light rare-Earth nuclei 133Pm and 133Sm

Autor: G. J. Gyapong, Y. J. He, W. Gelletly, D. L. Watson, I. Jenkins, J. Simpson, B. J. Varley, J. R. Hughes, M J Godfrey, P. J. Nolan, R. Wadsworth, S.M. Mullins, P. H. Regan

Publikováno v: Nuclear Physics A. 533:476-504

The low-lying, rotational band structures of the highly neutron-deficient light rare-earth nuclei, 133Sm and 133Pm have been investigated using the 40Ca + 96Ru reaction at a beam energy of approximately 180 MeV. Five new bands have been observed in b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1696c73f85dbd3d698b0b2a6218b6495
https://doi.org/10.1016/0375-9474(91)90529-f

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