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/* NRDF D1576 Data No.5 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,5;
D#=D1576;
TITLE=/ Coulomb dissociation of 8B and the 7Be(p,gamma)8B reaction
at low energies /;
PURPOSE=/ To first establish the usefulness of the Coulomb
dissociation method for studying the 7Be(p,gamma)8B reaction
at lower energies. /;
ATH=(T.MOTOBAYASHI'1', N.IWASA'1', Y.ANDO'1', M.KUROKAWA'1',
H.MURAKAMI'1', J.RUAN'1', S.SHIMOURA'1', S.SHIRATO'1', N.INABE'2',
M.ISHIHARA'2', T.KUBO'2', Y.WATANABE'2', M.GAI'3',
R.H.FRANCE III'3', K.I.HAHN'3', Z.ZHAO'3', T.NAKAMURA'4',
T.TERANISHI'4', Y.FUTAMI'5', K.FURUTAKA'6', TH.DELBAR'7');
INST-ATH=(2JPNRIK'1', 2JPNIPC'2', 1USAYAL'3', 2JPNTOK'4', 2JPNTSU'5',
2JPNTIT'6', 2BLGLVN'7');
/* '1' Department of Physics */
/* '3' A.W.Wright Nuclear Structure Laboratory, Department of
Physics */
/* '4' Department of Physics */
/* '5' The Institute of Physics */
/* '6' Department of Physics */
/* '7' Institut de Physique Nucleaire */
REF=PRL;
VLP=73(1994)2680;
RCTS=(208PB(8B,8B)208PB, 7BE(P,GAMMA)8B);
PHQS=(ENGY-SPEC, ANGL-DSTRN, ASTR-SFCTR);
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,5;
/* 2005-10-05 : Converted, Kc + Sr + On. Converted to EXFOR E1576
/* 2005-11-15 : Altered, At + Sr. Re-digitized */
ENR=99.5%;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=50MG/CM**2;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=(CYC'8',PRJFS'9');
/* '8' Primary 12C beam of 91 MeV/A bombarded a 9Be target of
1.4 g/cm**2 thickness. Reaction products were analyzed by the
projectile fragment separator RIPS to obtain a radioactive 8B
beam. */
/* '9' RIKEN projectile fragment separator (RIPS) */
INST-ACC=(2JPNIPC'8',2JPNIPC'9');
BEAM-INTNSTY=XA'10';
/* '10' 2*10**4/s */
POL-PRJ=0%;
DET-PARTCL=(P,7BE);
COINC=(P,7BE);
ANT-COINC=NO;
DET-SYS=(SCT'11',TOF'12',EDE);
/* '11' Plastic scintillator: To detect proton and 7Be */
/* '12' To determine energy of breakup fragments */
ERS-DET=XKEV'13';
/* '13' Energy resolution is 100 and 130 keV at 0.6 and 1.7 MeV
of relative energy between 7Be and neutron, respectively. */
/* Experimental Method:
- Time-of-flight (To determine energy of breakup fragments)
- Particle identification by 'E/Delta E' measurement
/* Related references
- F.J.Vaughn et al., PR/C, 2(1970)1657.
Reference with which data agree. See also EXFOR C0501.002.
- B.W.Filippone et al., PR/C, 28(1983)2222.
Reference with which data agree. See also EXFOR C0502.002.
- P.D.Parker, AJ, 145(1966)960.
(No discussion on comparison in main reference). See also EXFOR
F0425.002.
- R.W.Kavanagh et al., BAP, 14(1969)1209.
(No discussion on comparison in main reference). See also EXFOR
F0515.002.
RCT=7BE(P,GAMMA)8B;
PHQ=ASTR-SFCTR;
/* Additional results shown but not compiled
- A very preliminary value of S17(E=0)=16.7+-3.2 eVb which was
extrapolated by using the procedure used in [B.W. Filippone et
al., Phys. Rev. Lett. 50(1983)412; Phys. Rev. C 28(1983)2222]
INC-ENGY-CM=0.6[1.7MEV;
/* Analysis:
- Extracted from fits of the data of the Coulomb dissociation
yield as a function of the 8B scattering angle in the 208Pb(8B,
7Be+p)208Pb reaction
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,5;
EMT-1=P;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
INC-ENGY-CM'22' INC-ENGY-CM'23' ASTR-SFCTR DELTA-ASTR-SFCTR
(MEV) (MEV) (EV*B) (EV*B)
5.054E-01 7.032E-01 1.660E+01 +-2.453E+00
7.006E-01 8.984E-01 1.377E+01 +-2.830E+00
9.011E-01 1.099E+00 1.547E+01 +-3.585E+00
1.108E+00 1.294E+00 8.113E+00 +-5.283E+00
1.305E+00 1.497E+00 1.660E+01 +-7.170E+00
1.505E+00 1.901E+00 1.830E+01 +-7.736E+00
\END;
/*===================================================================*/
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