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/* NRDF D1573 Data No.5 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,5;
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,5;
/* 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=MOM-DSTRN'33';
/* '33' Mean values of longitudinal momentum distributions */
THK-TGT=104MG/CM**2;
ANL=X'34';
/* '34' First-order perturbation theory */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,5;
INC-ENGY-LAB=72.0MEV/A;
EMT-2=N;
INTRM=11BE;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
THTL-INTRM'35' MOM-LNGTD'36' DELTA-DATA1'37'
(DEG) (MEV/C) (MEV/C)
4.991E-01 -6.097E-01 +-1.198E+00
1.495E+00 2.453E+00 +-1.363E+00
2.500E+00 4.359E+00 +-3.056E+00
\END;
/*===================================================================*/
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