Conversion-electron study of 0+ excitations in 208Pb

J. N. Orce; T. Kibédi; G. D. Dracoulis; R. Julin; S. W. Yates

doi:10.1088/0954-3899/31/10/058

Conversion-electron study of 0⁺ excitations in ²⁰⁸Pb

J. N. Orce
, T. Kibédi
, G. D. Dracoulis
, R. Julin
, S. W. Yates

Chemistry

Producción científica: Article › revisión exhaustiva

8 Citas (Scopus)

Resumen

The ²⁰⁸Pb(p,p′e^-) reaction has been studied at a proton energy of 17.3 MeV. Singles data show E0 transitions from the 0 ⁺₂ and 0⁺₃ states at 4868 and 5241 keV, respectively, to the ground state. Proton-electron gated spectra indicate that few electrons from the 0⁺₂ state are in coincidence with backscattered protons, while those from the 0⁺₃ state are somewhat more abundant. From the singles spectra, an upper limit for the E3(0⁺₃ → 3^-₁)/E0(0 ⁺₃ → 0⁺₁) branching ratio of less than four has been measured. This observation is in agreement with previous predictions for a two-phonon octupole excitation.

Idioma original	English
Páginas (desde-hasta)	S1705-S1708
Publicación	Journal of Physics G: Nuclear and Particle Physics
Volumen	31
N.º	10
DOI	https://doi.org/10.1088/0954-3899/31/10/058
Estado	Published - oct 1 2005

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1088/0954-3899/31/10/058

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abstract = "The 208Pb(p,p′e-) reaction has been studied at a proton energy of 17.3 MeV. Singles data show E0 transitions from the 0 +2 and 0+3 states at 4868 and 5241 keV, respectively, to the ground state. Proton-electron gated spectra indicate that few electrons from the 0+2 state are in coincidence with backscattered protons, while those from the 0+3 state are somewhat more abundant. From the singles spectra, an upper limit for the E3(0+3 → 3-1)/E0(0 +3 → 0+1) branching ratio of less than four has been measured. This observation is in agreement with previous predictions for a two-phonon octupole excitation.",

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AU - Kibédi, T.

AU - Dracoulis, G. D.

AU - Julin, R.

AU - Yates, S. W.

PY - 2005/10/1

Y1 - 2005/10/1

N2 - The 208Pb(p,p′e-) reaction has been studied at a proton energy of 17.3 MeV. Singles data show E0 transitions from the 0 +2 and 0+3 states at 4868 and 5241 keV, respectively, to the ground state. Proton-electron gated spectra indicate that few electrons from the 0+2 state are in coincidence with backscattered protons, while those from the 0+3 state are somewhat more abundant. From the singles spectra, an upper limit for the E3(0+3 → 3-1)/E0(0 +3 → 0+1) branching ratio of less than four has been measured. This observation is in agreement with previous predictions for a two-phonon octupole excitation.

AB - The 208Pb(p,p′e-) reaction has been studied at a proton energy of 17.3 MeV. Singles data show E0 transitions from the 0 +2 and 0+3 states at 4868 and 5241 keV, respectively, to the ground state. Proton-electron gated spectra indicate that few electrons from the 0+2 state are in coincidence with backscattered protons, while those from the 0+3 state are somewhat more abundant. From the singles spectra, an upper limit for the E3(0+3 → 3-1)/E0(0 +3 → 0+1) branching ratio of less than four has been measured. This observation is in agreement with previous predictions for a two-phonon octupole excitation.

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