Lifetime of 19 Ne * (4.03 MeV)
/ Authors
R. Kanungo, T. Alexander, A. Andreyev, G. Ball, R. Chakrawarthy, M. Chicoine, R. Churchman, B. Davids, J. Forster, S. Gujrathi
and 13 more authors
G. Hackman, D. Howell, J. Leslie, A. C. Morton, S. Mythili, C. Pearson, J. Ressler, C. Ruiz, H. Savajols, M. Schumaker, I. Tanihata, P. Walden, S. Yen
/ Abstract
The Doppler-shift attenuation method was applied to measure the lifetime of the 4.03 MeV state in {sup 19}Ne. By utilizing a {sup 3}He-implanted Au foil as a target, the state was populated using the {sup 20}Ne({sup 3}He, {alpha}){sup 19}Ne reaction in inverse kinematics at a {sup 20}Ne beam energy of 34 MeV. De-excitation {gamma} rays were detected in coincidence with {alpha} particles. At the 1{sigma} level, the lifetime was determined to be 11{sub -3}{sup +4} fs and at the 95.45% confidence level the lifetime is 11{sub -7}{sup +8} fs.
Journal: Physical Review C