Journal
PHYSICAL REVIEW LETTERS
Volume 107, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.102501
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Funding
- Department of Energy, Office of Nuclear Physics [DE-AC0205CH11231, DE-AC52-07NA27344]
- National Science Foundation [PHY-0606007, PHY-0758099]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1068217] Funding Source: National Science Foundation
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Establishing how and when large N/Z values require modified or new theoretical tools is a major quest in nuclear physics. Here we report the first measurement of the lifetime of the 2(1)(+) state in the near-dripline nucleus C-20. The deduced value of tau(+)(21) = 9.8 +/- 2.8(stat)(-1.1)(+0.5)(syst) ps gives a reduced transition probability of B(E2; 2(1)(+) -> 0(g.s).(+)) - 7.5(-1.7)(+3.0)(stat)(-0.4)(+1.0)(syst) e(2) fm(4) in good agreement with a shell model calculation using isospin-dependent effective charges.
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