|
| /*===================================================================*/
/* NRDF D1573 Data No.1 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,1;
D#=D1573;
TITLE=/ Coulomb dissociation of a halo nucleus 11Be at 72A MeV /;
PURPOSE=/ To perform the coincidence measurement of 11Be
dissociation /;
ATH=(T.NAKAMURA'1', S.SHIMOURA'1', T.KOBAYASHI'2', T.TERANISHI'1',
K.ABE'3', N.AOI'1', Y.DOKI'1', M.FUJIMAKI'2', N.INABE'2',
N.IWASA'4', K.KATORI'3', T.KUBO'2', H.OKUNO'1', T.SUZUKI'2',
I.TANIHATA'2', Y.WATANABE'2', A.YOSHIDA'2', M.ISHIHARA'1,2');
INST-ATH=(2JPNTOK'1', 2JPNIPC'2', 2JPNOSA'3', 2JPNRIK'4');
/* '1' Department of Physics */
/* '3' Department of Physics */
/* '4' Department of Physics */
REF=PL/B;
VLP=331(1994)296;
RCTS=(PB(11BE,11BE)PB, 12C(11BE,11BE)12C, PB(11BE,N,10BE)PB);
PHQS=(ENGY-SPEC, STRGTH-FUNCT, ANGL-DSTRN'5', MOM-DSTRN'6',
ANGL-DSTRN'7', ANGL-DSTRN'8');
/* '5' dsigma/db (b=impact parameter. b is related to the
scattering angle theta of the c.m. of 10Be+n system as b=a cot
(theta/2), where a represents half the distance of closest approach
in the classical Coulomb head-on collision) */
/* '6' Mean values of longitudinal momentum distributions */
/* '7' dsigma/dphi (azimuthal angular distibution of 10Be in 11Be
rest frame) */
/* '8' dsigma/dcos(theta) (polar angular distibution of 10Be in
11Be rest frame) */
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,1;
/* 2005-09-13 : Converted, Sr + On. Converted to EXFOR E1573 */
/* 2005-10-18 : Altered, Ah + Sr. Re-digitized */
CHM=ELM;
PHYS-FORM=SLD;
ACC=PRJFS'9';
/* '9' 11Be is provided by using a projectile fragmentation of
100A MeV 18O */
INST-ACC=2JPNIPC'10';
/* '10' RIPS */
INC-ENGY-LAB=72.0MEV/A;
ERS-PRJ=0.2MEV/A'11';
/* '11' FWHM */
DET-PARTCL=(N,10BE);
COINC=(N,10BE);
ANT-COINC=NO;
DET-SYS=(MAG'12',SCT'12',X'13',SCT'14',EDE'15',TOF'16');
/* '12' To detect 10Be */
/* '13' Drift chamber (To detect 10Be) */
/* '14' To detect neutron */
/* '15' To identify 10Be */
/* '16' To determine momentum vector of 10Be and neutron */
ERS-DET=XKEV'17';
/* '17' Energy resolution is proportional to square root of
relative energy between 10Be and neutron. 450 keV FWHM is
estimated at 1 MeV (relative energy). */
/* Experimental Method:
- Particle identification by 'E/Delta E' measurement (To identify
10Be)
- Time-of-flight (To determine momentum vector of 10Be and
neutron)
RCT=PB(11BE,11BE)PB;
RTY=INEL-SCATT;
PHQ=ENGY-SPEC;
THK-TGT=104MG/CM**2;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,1;
INC-ENGY-LAB=72.0MEV/A;
SYS-ERR=[20%'18';
/* '18' Total systematic error. Uncertainty in the absolute
normalization (mainly coming from uncertainties in neutron
detection efficiency) */
EMT-2=N;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
EXC-ENGY-EMT DSIGMA/DE DELTA-DSIGMA/DE'19'
(MEV) (B/MEV) (B/MEV)
5.560E-02 6.831E-01 +-1.752E-01
1.577E-01 1.546E+00 +-2.234E-01
2.621E-01 1.837E+00 +-2.565E-01
3.634E-01 1.724E+00 +-2.684E-01
4.655E-01 1.609E+00 +-2.686E-01
5.676E-01 1.426E+00 +-2.612E-01
7.119E-01 1.121E+00 +-1.947E-01
9.151E-01 1.058E+00 +-1.814E-01
1.108E+00 9.117E-01 +-1.879E-01
1.306E+00 6.756E-01 +-1.998E-01
1.501E+00 2.883E-01 +-2.160E-01
1.807E+00 4.268E-01 +-1.529E-01
2.207E+00 1.301E-01 +-1.462E-01
2.607E+00 1.653E-01 +-1.573E-01
3.000E+00 -1.760E-01 +-1.718E-01
3.500E+00 -6.344E-02 +-1.298E-01
\END;
/*===================================================================*/
|