|
| /*===================================================================*/
/* NRDF D1825 Data No.3 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,3;
D#=D1825;
TITLE=/ Isomeric 0+ state in 12Be /;
PURPOSE=/ To produce 12Be in the isomeric second 0+ state. /;
ATH=(S.SHIMOURA'1', A.SAITO'2', T.MINEMURA'3', Y.U.MATSUYAMA'2',
H.BABA'2', H.AKIYOSHI'3', N.AOI'4', T.GOMI'2', Y.HIGURASHI'2',
K.IEKI'2', N.IMAI'4', N.IWASA'5', H.IWASAKI'1', S.KANNO'2',
S.KUBONO'1', M.KUNIBU'2', S.MICHIMASA'1', T.MOTOBAYASHI'2',
T.NAKAMURA'6', H.SAKURAI'4', M.SERATA'2', E.TAKESHITA'2',
S.TAKEUCHI'2', T.TERANISHI'1', K.UE'1', K.YAMADA'2',
Y.YANAGISAWA'3', M.ISHIHARA'3', N.ITAGAKI'4');
INST-ATH=(2JPNTOK'1', 2JPNRIK'2', 2JPNIPC'3', 2JPNTOK'4', 2JPNTOH'5',
2JPNTIT'6');
/* '1' Center for Nuclear Study */
/* '2' Department of Physics */
/* '4' Department of Physics */
/* '5' Department of Physics */
/* '6' Department of Applied Physics */
REF=PL/B;
VLP=560(2003)31;
RCTS=9BE(18O,12BE)X;
PHQS=(ANGL-CORRL'7', ENGY-SPEC);
/* '7' Azimuthal angular correlation */
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,3;
/* 2003-10-08 : Compiled, Kc + Sr */
RTY=FRAG;
ENR=NAT;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=2000MG/CM**2;
BAC=SELF;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=CYC'8';
/* '8' RIKEN Ring Cyclotron */
INST-ACC=2JPNIPC;
INC-ENGY-LAB=100MEV/A;
POL-PRJ=0%;
COINC=(GAMMA,12BE);
ANT-COINC=NO;
DET-SYS=(SCT'9',NAI'10',EDE,TOF);
/* '9' The 12Be fragment after the isomeric decay was recorded by
a plastic scintillator hodoscope with a 1 x 1 m2 active area
located 4 m downstream of NaI scintillators (DALI). */
/* '10' NaI(Tl) scintillator. Gamma rays were detected by an
array of 68 NaI(Tl) scintillators (DALI) positioned at 70 cm
downstream of the F3 scintillator. Each NaI had an active
volume of 12 x 6 x 6 cm3. */
ERS-DET=XKEV'11';
/* '11' The energy threshold for each detector was set to be
lower than 50 keV. */
/* Experimental Method:
- Particle identification by 'E/Delta E' measurement
- Time-of-flight
- Coincidence
/* 2006-10-05 : Altered, Is. Re-digitized */
RCT=9BE(18O,12BE)X;
PHQ=ENGY-SPEC;
DET-PARTCL=(GAMMA'21',12BE);
/* '21' Prompt gamma from 12Be */
ANL=X'22';
/* '22' Monte Carlo simulation assuming an in-flight cascade
decay emitting 0.14 and 2.1 MeV gamma's. */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,3;
INC-ENGY-LAB=100MEV/A;
ENGY-GAMMA=2.1MEV'23';
/* '23' Prompt gamma from 12Be via NONe */
ENGY-EMT-LAB=60MEV/A;
EXC-ENGY-EMT=2.24MEV;
DELTA-EXC-ENGY-EMT=0.02MEV;
J-PTY-EMT=0+;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
ENGY-GAMMA'24' COUNTS DELTA-COUNTS
(MEV) (ARB) (ARB)
5.430E-03 -5.850E-02 +-NEGLIGIBLE
1.538E-02 -5.850E-02 +-NEGLIGIBLE
2.534E-02 -2.677E-01 +-NEGLIGIBLE
3.529E-02 -5.850E-02 +-NEGLIGIBLE
4.525E-02 3.598E-01 +-NEGLIGIBLE
5.520E-02 3.288E+00 +-NEGLIGIBLE
6.516E-02 1.165E+01 +-2.719E+00
7.511E-02 1.103E+01 +-NEGLIGIBLE
8.507E-02 2.128E+01 +-3.765E+00
9.502E-02 3.341E+01 +-4.183E+00
1.050E-01 4.575E+01 +-5.020E+00
1.149E-01 6.583E+01 +-5.857E+00
1.253E-01 8.863E+01 +-6.902E+00
1.348E-01 1.434E+02 +-8.785E+00
1.452E-01 1.269E+02 +-8.157E+00
1.552E-01 8.319E+01 +-6.693E+00
1.652E-01 5.391E+01 +-5.438E+00
1.751E-01 4.407E+01 +-5.229E+00
1.851E-01 3.236E+01 +-4.392E+00
1.950E-01 2.274E+01 +-3.765E+00
2.050E-01 1.061E+01 +-2.928E+00
2.149E-01 1.647E+01 +-3.137E+00
2.249E-01 1.521E+01 +-3.137E+00
2.348E-01 1.667E+01 +-3.347E+00
2.448E-01 1.165E+01 +-2.719E+00
2.548E-01 1.354E+01 +-3.137E+00
2.652E-01 7.890E+00 +-2.510E+00
2.751E-01 1.124E+01 +-2.928E+00
2.846E-01 8.726E+00 +-2.719E+00
2.950E-01 1.145E+01 +-3.137E+00
3.050E-01 1.416E+01 +-2.928E+00
3.149E-01 7.680E+00 +-2.510E+00
3.249E-01 1.165E+01 +-2.510E+00
3.348E-01 7.680E+00 +-2.510E+00
3.448E-01 7.890E+00 +-2.510E+00
3.548E-01 5.171E+00 +-NEGLIGIBLE
3.647E-01 6.007E+00 +-NEGLIGIBLE
3.747E-01 7.680E+00 +-NEGLIGIBLE
3.851E-01 6.844E+00 +-NEGLIGIBLE
3.946E-01 4.543E+00 +-NEGLIGIBLE
4.050E-01 2.870E+00 +-NEGLIGIBLE
4.151E-01 5.459E+00 +-NEGLIGIBLE
4.249E-01 5.589E+00 +-NEGLIGIBLE
4.348E-01 4.961E+00 +-NEGLIGIBLE
4.448E-01 5.380E+00 +-NEGLIGIBLE
4.548E-01 2.033E+00 +-NEGLIGIBLE
4.647E-01 7.471E+00 +-NEGLIGIBLE
4.747E-01 5.380E+00 +-NEGLIGIBLE
4.846E-01 1.406E+00 +-NEGLIGIBLE
4.946E-01 3.288E+00 +-NEGLIGIBLE
\END;
/*===================================================================*/
|