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| /*===================================================================*/
/* NRDF D1706 Data No.30 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,30;
D#=D1706;
TITLE=/ Subthreshold antiproton production in pA, dA and alpha A
reactions /;
PURPOSE=/ To examine the antiproton production cross section in the
case of light ions, since a large cross section had been
observed in heavy-ion reactions; however unexpectedly, large
cross sections were also found in the light-ion-induced
reactions relative to proton-induced reactions. /;
ATH=(Y.SUGAYA'1', D.ASHERY'2', J.CHIBA'2', H.ITO'3', K.KIMURA'4',
YU.T.KISELEV'5', S.KOUDA'6', K.MIYANO'7', T.MURAKAMI'3',
J.MURATA'3', T.NAGAE'2', Y.NAKAI'8', M.NOMACHI'2', M.NUMAJIRI'2',
H.OCHIISHI'6', S.SAWADA'3', M.SEKIMOTO'2', T.SHIBATA'2',
T.SUZUKI'8', K.H.TANAKA'2', M.K.VLASOV'5', Y.YAMANOI'2',
K.YASUDA'3', Y.YOSHIMURA'2');
INST-ATH=(2JPNJPN'1', 2JPNKEK'2', 2JPNKTO'3', 2JPNNIA'4', 4RUSITE'5',
2JPNKYU'6', 2JPNNII'7', 2JPNIPC'8');
/* '1' Tokyo University of Agriculture and Technology, Tokyo */
/* '3' Department of Physics */
/* '6' Department of Physics */
/* '7' Department of Physics */
REF=NP/A;
VLP=634(1998)115;
RCTS=(C(P,ANTIP)X, 27AL(P,ANTIP)X, CU(P,ANTIP)X, PB(P,ANTIP)X,
C(D,ANTIP)X, 27AL(D,ANTIP)X, CU(D,ANTIP)X, PB(D,ANTIP)X,
C(ALPHA,ANTIP)X, 27AL(ALPHA,ANTIP)X, CU(ALPHA,ANTIP)X, C(P,KP)X,
27AL(P,KP)X, CU(P,KP)X, PB(P,KP)X, C(D,KP)X, 27AL(D,KP)X,
CU(D,KP)X, PB(D,KP)X, C(ALPHA,KP)X, 27AL(ALPHA,KP)X,
CU(ALPHA,KP)X, C(P,KN)X, 27AL(P,KN)X, CU(P,KN)X, PB(P,KN)X,
C(D,KN)X, 27AL(D,KN)X, CU(D,KN)X, PB(D,KN)X, C(ALPHA,KN)X,
27AL(ALPHA,KN)X, CU(ALPHA,KN)X, C(P,PIP)X, 27AL(P,PIP)X,
CU(P,PIP)X, PB(P,PIP)X, C(D,PIP)X, 27AL(D,PIP)X, CU(D,PIP)X,
PB(D,PIP)X, C(ALPHA,PIP)X, 27AL(ALPHA,PIP)X, CU(ALPHA,PIP)X,
C(P,PIN)X, 27AL(P,PIN)X, CU(P,PIN)X, PB(P,PIN)X, C(D,PIN)X,
27AL(D,PIN)X, CU(D,PIN)X, PB(D,PIN)X, C(ALPHA,PIN)X,
27AL(ALPHA,PIN)X, CU(ALPHA,PIN)X);
PHQS=MOM-DSTRN;
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,30;
/* 2002-05-24 : Compiled, On */
/* 2003-06-27 : Altered, On. SF3 and SF4 corrected */
/* 2006-07-08 : Altered, On. Systematic uncertainties corrected */
PHQ=MOM-DSTRN;
ENR=X%;
CHM=ELM;
PHYS-FORM=SLD;
BAC=X;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=CYC'9';
/* '9' KEK-PS */
INST-ACC=2JPNKEK;
POL-PRJ=0%;
COINC=NO;
ANT-COINC=NO;
DET-SYS=(MAG,SCT'10',MWPC,CRNKOV'11');
/* '10' To perform ToF measurements */
/* '11' Lead glass Cherenkov counter to separate electrom from
pions */
/* 2007-11-13 : Altered, T.Ashizawa. Re-digitized */
RCT=27AL(16O,X)14N;
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,30;
SYS-ERR=(12%'12',10%'13',5%'14',1%'15',1%'16');
/* '12' Uncertainty in beam intensity measurement */
/* '13' Uncertainty in acceptance calculation */
/* '14' Uncertainty in correction for loss due to interaction */
/* '15' Uncertainty in correction for loss due to analytical cuts
/* '16' Uncertainty in correction for decay */
QVL-MIN=-30MEV;
QVL-MAX=-25MEV;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
THTC DSIGMA/DOMEGA/DE
(DEG) (MB/SR/MEV)
1.7837E+01 0.441
2.4871E+01 0.2938
3.1913E+01 0.17924
3.8609E+01 0.15546
4.2431E+01 0.15134
4.5325E+01 0.10356
4.8511E+01 0.10076
5.2658E+01 0.08986
5.5855E+01 0.0755
6.0955E+01 0.06938
7.7541E+01 0.04516
9.3473E+01 0.03716
1.0462E+02 0.0353
\END;
/*===================================================================*/
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