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/* NRDF D1737 Data No.9 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,9;
D#=D1737;
TITLE=/ Measurement of the 8Li(alpha,n)11B reaction and
astrophysical implications /;
PURPOSE=/ To measure the 8Li(alpha,n)11B reaction directly and
exclusively, and determine the total cross sections. /;
ATH=(Y.MIZOI'1', T.FUKUDA'1', Y.MATSUYAMA'1', T.MIYACHI'1',
H.MIYATAKE'1', N.AOI'2', N.FUKUDA'2', M.NOTANI'2',
Y.X.WATANABE'2', A.YONEDA'2', M.ISHIHARA'3', H.SAKURAI'3',
Y.WATANABE'3', A.YOSHIDA'3');
INST-ATH=(2JPNINS'1', 2JPNTOK'2', 2JPNIPC'3');
/* '2' Department of Physics */
REF=PR/C;
VLP=62(2000)065801;
/* Secondary reference
- PR/C, 91(2015)047602 (reanalysis of the experimental data)
RCTS=(ALPHA(8LI,N)11B, ALPHA(9BE,N)12C, ALPHA(8LI,N,ALPHA)7LI);
PHQS=(TOT-XSECTN, ENGY-SPEC, BRANCH-RATIO, XSECTN, EXC-FUNCT,
ASTR-SFCTR);
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,9;
/* 2002-04-20 : Compiled+Checked, Ic + Sr */
/* 2015-06-17 : Altered, Ichiko added reference and subentry 11 */
/* 2015-06-30 : Received, Received by e-mail from Y.Mizoi */
ENR=NAT;
PHYS-FORM=GAS;
THK-TGT=XMG/CM**2'5';
/* '5' about 400 torr pressure */
POL-TGT=0%;
ALGN-TGT=0%;
ACC=CYC;
INST-ACC=2JPNIPC;
BEAM-INTNSTY=XMA'6';
/* '6' 1 to 2*10**3 particles per second */
POL-PRJ=0%;
DET-PARTCL=N;
COINC=NO;
ANT-COINC=NO;
DET-SYS=(X'7',SCT'8');
/* '7' MSTPC (MUSIC type detector which works as detection medium
and a gas target) */
/* '8' To detect neutron */
SOLID-ANGL=188MSR'9';
/* '9' 1.5% of 4pi */
MONTR-RCT=/ , 9Be(alpha,n)12C to verify the present experimental
procedures /;
EFCN-DET=/ overall efficiency was about 1.0-1.5% for the energy region
from 1.5 to 7.0MeV for all states of 11B. /;
RCT=ALPHA(8LI,N)11B;
RTY=DIRECT-RCT;
PHQ=XSECTN;
CHM=X'23';
/* '23' 4He gas admixed with 5% and 10%-isobutane-gas and
averaged */
INC-ENGY-LAB-RANGE=1.5[5.0MEV;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,9;
INC-ENGY-LAB=1.5[5.0MEV;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
EXC-ENGY SIGMA'24' DELTA-SIGMA'24'
(MEV) (MB) (MB)
0.00 55.52 +-30.85
\END;
/*===================================================================*/
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