Lifetime of19Ne*(4.03 MeV)
| Autor: | G. C. Ball, J. J. Ressler, D. Howell, P.L. Walden, Martin Chicoine, C. J. Pearson, A. C. Morton, Barry Davids, J. S. Forster, R. S. Chakrawarthy, M. A. Schumaker, R. Churchman, G. Hackman, A. N. Andreyev, S. Yen, R. Kanungo, S. C. Gujrathi, S. Mythili, H. Savajols, C. Ruiz, T. K. Alexander, J. R. Leslie, Isao Tanihata |
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| Rok vydání: | 2006 |
| Předmět: | |
| Zdroj: | Physical Review C. 74 |
| ISSN: | 1089-490X 0556-2813 |
| Popis: | The Doppler-shift attenuation method was applied to measure the lifetime of the 4.03 MeV state in $^{19}\mathrm{Ne}$. By utilizing a $^{3}\mathrm{He}$-implanted Au foil as a target, the state was populated using the $^{20}\mathrm{Ne}$($^{3}\mathrm{He}$, $\ensuremath{\alpha}$)$^{19}\mathrm{Ne}$ reaction in inverse kinematics at a $^{20}\mathrm{Ne}$ beam energy of 34 MeV. De-excitation \ensuremath{\gamma} rays were detected in coincidence with \ensuremath{\alpha} particles. At the 1\ensuremath{\sigma} level, the lifetime was determined to be ${11}_{\ensuremath{-}3}^{+4}$ fs and at the 95.45% confidence level the lifetime is ${11}_{\ensuremath{-}7}^{+8}$ fs. |
| Databáze: | OpenAIRE |
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