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/* NRDF D1573 Data No.8 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,8;
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,8;
/* 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,N,10BE)PB;
PHQ=ANGL-DSTRN'49';
/* '49' dsigma/dcos(theta) (polar angular distibution of 10Be in
11Be rest frame) */
THK-TGT=104MG/CM**2;
ANL=X'50';
/* '50' First-order time-dependent perturbation theory */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,8;
INC-ENGY-LAB=72.0MEV/A;
EMT-2=N;
INTRM=11BE;
EXC-ENGY-INTRM-MAX=4MEV'51';
/* '51' Relative energy between 10Be and neutron */
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
COS-CM'52' DATA1'53' DELTA-DATA1'53,54'
(NODIM) (B) (B)
-9.521E-01 8.147E-01 +-1.723E-01
-8.541E-01 6.946E-01 +-1.811E-01
-7.628E-01 9.050E-01 +-1.764E-01
-6.673E-01 8.867E-01 +-1.978E-01
-5.710E-01 5.895E-01 +-2.145E-01
-4.761E-01 8.333E-01 +-2.264E-01
-3.823E-01 7.744E-01 +-2.431E-01
-2.879E-01 1.176E+00 +-2.336E-01
-1.920E-01 1.038E+00 +-2.574E-01
-9.435E-02 1.568E+00 +-2.645E-01
3.409E-03 1.397E+00 +-2.717E-01
9.640E-02 9.949E-01 +-2.526E-01
1.935E-01 1.065E+00 +-2.693E-01
2.882E-01 1.375E+00 +-2.550E-01
3.797E-01 8.231E-01 +-2.717E-01
4.727E-01 1.084E+00 +-2.359E-01
5.691E-01 7.673E-01 +-2.359E-01
6.638E-01 1.071E+00 +-2.073E-01
7.621E-01 6.806E-01 +-2.097E-01
8.567E-01 1.029E+00 +-1.954E-01
9.517E-01 1.192E+00 +-1.883E-01
\END;
/*===================================================================*/
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