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| /*===================================================================*/
/* NRDF D2004 Data No.2 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,2;
D#=D2004;
TITLE=/ Astrophysical reaction rate for alpha (alpha n, gamma)9Be by
photodisintegration /;
ATH=(K.SUMIYOSHI'1', H.UTSUNOMIYA'2', S.GOKO'2', T.KAJINO'3');
INST-ATH=(2JPNJPN'1', 2JPNKON'2', 2JPNJPN'3');
/* '1' Numazu College of Technology, Numazu */
/* '2' Department of Physics */
/* '3' National Astronomical Observatory, Mitaka */
REF=NP/A;
VLP=709(2002)467;
/* Secondary reference
- Utsunomiya, Private communication(2007)
RCTS=(9BE(GAMMA,N)8BE, 9BE(GAMMA,), 9BE(GAMMA,GAMMA)9BE,
9BE(GAMMA,N));
PHQS=(XSECTN, RESN-WDTH);
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,2;
/* 2007-01-09 : Recieved, On. Received by e-mail from A.Makinaga
/* 2007-01-12 : Compiled, On */
/* Related references
- Proofread by Hiroaki Utsunomiya (2007.01.13), k2003003,
J(Phys)63.
/* Additional results shown but not compiled
- Reaction rate (Thermal reaction rate for alpha+alpha+n -> gamma
+ 9Be)
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=XMG/CM**2'4';
/* '4' 4 cm thick */
POL-TGT=0%;
ALGN-TGT=0%;
ACC=X'5';
/* '5' Electron storage ring, To store electron beam at 308 to
587 MeV */
INST-ACC=2JPNAIS'6';
/* '6' Electron storage ring TERAS */
POL-PRJ=0%;
ION-SOURCE=/ Laser compton scattering photons (lambda=1053 nm (1.2 eV)
laser photons used) /;
DET-PARTCL=N;
COINC=NO;
ANT-COINC=NO;
DET-SYS=(BF3'7',BGO'8');
/* '7' To detect neutrons */
/* '8' To monitor flux of photon beam */
/* n+8Be and 5He+ alpha channel cannot be distinguished
experimentally. Cross sections presented in the reference are based
on the detection efficiency for the n+8Be channel. (Authors
confirmed that the difference in detection efficiency between the
two channels is negligible.) */
/* Related references
- common, M0438002, J(Cana)60.
. See also EXFOR commo.n.
- Radioactive isotope measurement, F0343002, J(Cana)61.
. See also EXFOR 1672..
RCT=9BE(GAMMA,N)8BE;
PHQ=XSECTN;
/* Flux correction (Not the total but a partial flux is responsible
near neutron threshold of 8Be+n.) */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,2;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
INC-ENGY-LAB'11' SIGMA DELTA-SIGMA'12'
(MEV) (MB) (MB)
1.74 0.92 +-0.03
1.76 0.75 +-0.03
1.77 0.70 +-0.03
1.81 0.68 +-0.03
1.82 0.70 +-0.03
1.85 0.47 +-0.02
1.86 0.55 +-0.03
2.06 0.21 +-0.03
\END;
/*===================================================================*/
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