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- Michigan State UniversityUS180 papers
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10 papers · 1 filter
Breakdown of the Isobaric Multiplet Mass Equation for the A = 20 and 21 Multiplets
A. T. Gallant, M. Brodeur, C. Andreoiu +21
Using the Penning trap mass spectrometer TITAN, we performed the first direct mass measurements of 20,21Mg, isotopes that are the most proton-rich members of the A = 20 and A = 21…
Observation of mutually enhanced collectivity in self-conjugate Sr
A. Lemasson, H. Iwasaki, C. Morse +15
The lifetimes of the first 2 states in the neutron-deficient Sr isotopes were measured using a unique combination of the -ray line-shape method and two-step nucl…
New precision mass measurements of neutron-rich calcium and potassium isotopes and three-nucleon forces
A. T. Gallant, J. C. Bale, T. Brunner +18
We present precision Penning-trap mass measurements of neutron-rich calcium and potassium isotopes in the vicinity of neutron number N=32. Using the TITAN system the mass of $^{51}…
Alpha Antihydrogen Experiment
ALPHA Collaboration, M. C. Fujiwara, G. B. Andresen +37
ALPHA is an experiment at CERN, whose ultimate goal is to perform a precise test of CPT symmetry with trapped antihydrogen atoms. After reviewing the motivations, we discuss our re…
Observation of isotonic symmetry for enhanced quadrupole collectivity in neutron-rich 62,64,66Fe isotopes at N=40
W. Rother, A. Dewald, H. Iwasaki +24
The transition rates for the 2_{1}^{+} states in 62,64,66Fe were studied using the Recoil Distance Doppler-Shift technique applied to projectile Coulomb excitation reactions. The d…
Tensor interaction constraints from beta decay recoil spin asymmetry of trapped atoms
J. R. A. Pitcairn, D. Roberge, A. Gorelov +14
We have measured the angular distribution of recoiling daughter nuclei emitted from the Gamow-Teller decay of spin-polarized Rb. The asymmetry of this distribution vanis…