243CF    247FM A DECAY (5.1 S)         2006HE27                  14NDS    201408
243CF  H TYP=FUL$AUT=C.D. Nesaraja, E.A. McCutchan$CIT=NDS 121, 695 (2014)$
243CF2 H CUT=30-Sep-2013$
243CF C  {+247}Fm-%|a decay: from %IT=12 {I2} measured in 2006He27 based on
243CF2C  number of correlations between |a({+251m}No)-|a({+247m}Fm) and
243CF3C  |a({+251m}No)-|a({+247}Fm).
243CF c  2006He27: {+247}Fm activity from |a decay chain of {+255}Rf produced
243CF2c  in {+207}Pb({+50}Ti,2n), E({+50}Ti)=4.85 MeV/nucleon and |a decay of
243CF3c  {+251}No produced in {+206}Pb({+48}Ca,3n), E({+48}Ca)=4.8
243CF4c  MeV/nucleon. Isotopes separated with the velocity filter SHIP and
243CF5c  implanted into a position-sensitive 16-strip PIPS detector.  Measured
243CF6c  E|a, I|a, recoil-|a coincidences, recoil-|a(t), conversion electrons
243CF7c  with the PIPS detector and E|g, I|g, |g|g and |a|g|g coincidences
243CF8c  using a HPGe Clover detector.  Early results presented in 2005KuZZ,
243CF9c  2004He28.
243CF c  Others: 1997He29, 1967Fl15
243CF cA HF$r{-0}({+243}Cf)=1.49 {I2}, extrapolated from r{-0} systematics
243CF2cA given in 1998Ak04.
247FM  P 45        7  (1/2+)            5.1 S     2              8258     10
247FM cP E$from 2006He27. 49 keV {I7} is obtained from difference in Q values
247FM2cP for the ground state to ground state and ground state to isomeric
247FM3cP state transitions between {+251}No and {+247}Fm while 40 keV {I9} is
247FM4cP derived from difference in {+247}Fm ground state Q value with Q|a for
247FM5cP the {+247}Fm isomeric decay.
247FM cP T$from recoil-|a(t) in 2006He27. Others: 4.3 s {I4} (2004He28,
247FM2cP earlier result by same first author as 2006He27), 9.2 s {I23}
247FM3cP (1967Fl15).
243CF  N                        8.6E-1 LE
243CF PN                                                                     1
243CF  L 0.0          (1/2+)
243CF cL J$unhindered |a decay from proposed 1/2+[631] isomeric state in
243CF2cL {+247}Fm
243CF  A 8172      16100       1.1     GE
243CF cA E$|DE=16 keV from 5 keV statistical and 15 keV systematic
243CF2cA uncertainties combined in quadrature. Others: 8170 keV {I15}
243CF3cA (2004He28), 8180 keV {I30} (1967Fl15).