7LI 7BE EC DECAY 2002TI10 02NP 200302
7LI H TYP=MOD$AUT=J. Tuli$DAT=1-Jul-2009$COM=Ran logft$
7LI H TYP=FUL$AUT=HU, TILLEY, KELLEY, GODWIN et al.$CIT=NP A708, 3 (2002)$
7LI2 H CUT=23-Aug-2001$
7LI C 1949SE20: EXPERIMENTS ON THE EFFECT OF ATOMIC ELECTRONS ON THE DECAY
7LI2C CONSTANT OF 7BE.
7LI C 1953KR16: COMPARISON OF THE VALUES OF THE DISINTEGRATION CONSTANT OF
7LI2C 7BE IN Be, Be^O AND Be^F{-2}.
7LI C 1956BO36: NOUVELLE DETERMINATION ^de ^la DIFFERENCE DES PERIODES ^de
7LI2C 7BE MATALLIQUE ^et ^de 7BE^F{-2}.
7LI C 1970JO21: 7BE, MEASURED T IN CHEMICAL COMPOUNDS, DEDUCED RELATIVE
7LI2C ELECTRON DENSITY AT NUCLEUS.
7LI C 1972SZ02: 10BE(P,ALPHA) E=60-180 KEV, MEASURED SIGMA(E), BRANCHING
7LI2C RATIO FOR 7BE(EC)7LI, SOLID-STATE DETECTORS.
7LI C 1998GA08: 7BE(EC)[FROM ^Be PROTON IRRADIATION], MEASURED K, L CAPTURE
7LI2C X-RAY SPECTRA. HIGH EFFICIENCY CALORIMETER.
7LI C 1999HU20: 7BE(EC), MEASURED E{-GAMMA}, I{-GAMMA} AND ^T{-1/2}, DEDUCED
7LI2C DEPENDENCE ON CHEMICAL ENVIRONMENT.
7LI C 1999RA12: 7BE(EC)[FROM LI(P,X)], MEASURED T FOR SOURCE IMPLANTED IN
7LI2C AU AND Al{-2}^O{-3}.
7LI c The decay scheme is complete since only levels in
7LI2c {+7}Li below the decay energy are populated.
7LI c Evaluation by R. G. Helmer and E. Schonfeld, 1996 and
7LI2c edited in December 2000.
7LI3c This evaluation was done as part of a collaboration of evaluators
7LI4c from Laboratoire National Henri Becquerel (LNHB) in France;
7LI5c Physikalisch-Technische Bundesanstalt (PTB) in Germany; HMS
7LI6c Sultan and AEA Technology in the United Kingdom; Khlopin Radium
7LI7c Institute (KRI) in Russia; Centro de Investigaciones
7LI8c Energeticas, Medioambientales, y Tecnologicas (CIEMAT) and
7LI9c Universidad Nacional a Distancia (UNED) in Spain; and Brookhaven
7LI0c National Laboratory (BNL), Lawrence Berkeley National Laboratory
7LIAc (LBNL), and Idaho National Engineering and Environmental
7LIBc Laboratory (INEEL) in the United States.
7LI N 1.0 1.0
7BE P 0.0 3/2- 53.22 D 6 861.815 18
7LI L 0.0 3/2-
7LI E 89.56 4 3.324 1
7LIS E CK=0.9700$CL=0.03004$
7LI L 477.612 3 1/2- 72.8 FS 20
7LI E 10.44 4 3.556 2
7LIS E CK=0.9700$CL=0.03004$
7LI cE IE Adopted weighted average of 10 {I+20-7} [L. H.
7LI2cE Rumbaugh et al., Phys. Rev. 54 (1938) 657],
7LI3cE 10.7 {I20} (1949Wi13), 11.8 {I12} (1949Tu06), 12.3 {I6}
7LI4cE (1951Di12), 10.35 {I8} (1969TaZX), 10.47 {I20} (1970MuZU),
7LI5cE 10.42 {I18} (1973Po10), 10.35 {I8} (1974Go26), 10.10 {I45}
7LI6cE (1983Ba15), 10.61 {I23} (1983Da14), 10.6 {I5} (1983Do07),
7LI7cE 10.9 {I11} (1983Ku10), 10.7 {I2} (1983Ma34), 9.8 {I5}
7LI8cE (1983No03), 11.4 {I7} (1984Ev01), 10.61 {I17} (1984Fi10), and
7LI9cE 10.49 {I7} (1984Sk01). The weighted average of these
7LI0cE values is 10.444 with an internal uncertainty of 0.039, a
7LIAcE reduced-|h{+2} of 1.35, and an external uncertainty of 0.045.
7LI cE IE The adopted branching is dominated by the values of
7LI2cE 1969TaZX, 1974Go24, and 1984Sk01 which contribute 23%, 23%,
7LI3cE and 30% of the relative weight, respectively. The largest
7LI4cE contribution to the reduced-|h{+2} is 0.6 from 1951Di12.
7LI cE IE Values not used are: 10.32 {I16} (1962Ta11, replaced by
7LI2cE 1969TaZX), 10.5 {I2} [W. Poenitz, J. Nucl. Energy 20 (1966)
7LI3cE 825, replaced by 1973Po10].
7LI G 477.6035 20 10.44 4 M1(+E2) 0.20 20 7.3E-7 11
7LI cG E from evaluation of 2000He14.
7LI cG MR from measured |a value (1964Kr04)
7LI cG CC measured value (1964Kr04). Theoretical value interpolated
7LI2cG from tables of 1976Ba63 are 7.73x10{+-7} for M1 and 2.96x10{+-6}
7LI3cG for E2.