Direct proton decay of the isoscalar giant dipole resonance in 208Pb

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dc.creatorNayak, B. K.
dc.creatorGarg, U.
dc.creatorKoss, M.
dc.creatorLi, T.
dc.creatorMartis, E.
dc.creatorFujimura, H.
dc.creatorFujiwara, M.
dc.creatorHara, K.
dc.creatorKawase, K.
dc.creatorNakanishi, K.
dc.creatorObayashi, E.
dc.creatorYoshida, H. P.
dc.creatorItoh, M.
dc.creatorKishi, S.
dc.creatorSakaguchi, H.
dc.creatorUchida, M.
dc.creatorYasuda, Y.
dc.creatorYosoi, M.
dc.creatorZegers, R. G. T.
dc.creatorAkimune, H.
dc.creatorHarakeh, M. N.
dc.creatorHunyadi, M.
dc.date2009-03-30
dc.date.accessioned2026-07-07T13:17:03Z
dc.date.available2026-07-07T13:17:03Z
dc.descriptionThe excitation and subsequent proton decay of the isoscalar giant dipole resonance (ISGDR) in $^{208}$Pb have been investigated via the $^{208}$Pb($α, α^{\prime}p)^{207}$Tl reaction at 400 MeV. Excitation of the ISGDR has been identified by the difference-of-spectra method. The enhancement of the ISGDR strength at high excitation energies observed in the multipole-decomposition-analysis of the singles $^{208}$Pb($α,α^{\prime}$) spectra is not present in the excitation energy spectrum obtained in coincidence measurement. The partial branching ratios for direct proton decay of ISGDR to low-lying states of $^{207}$Tl have been determined and the results are compared with predictions of continuum random-phase-approximation (CRPA) calculations.
dc.description12 pages, 4 figures; accepted for publication in Physics Letters B
dc.identifierhttps://arxiv.org/abs/0903.5130
dc.identifierhttp://arxiv.org/abs/0903.5130
dc.identifierPhys.Lett.B674:281-285,2009
dc.identifierdoi:10.1016/j.physletb.2009.03.047
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230988
dc.subjectNuclear Experiment
dc.titleDirect proton decay of the isoscalar giant dipole resonance in 208Pb
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