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| /*===================================================================*/
/* NRDF D1632 Data No.3 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,3;
D#=D1632;
TITLE=/Search for proton-proton dibaryon resonances in the dp -> (pp)n
reaction/;
PURPOSE=/The present experiment has been performed to search for
ppdibaryon resonances in the dp->ppn reaction/;
ATH=(H.KAWAI'1', M.KOBAYASHI'1', J.HABA'1', T.HOMMA'1', K.MIYAKE'1',
T.S.NAKAMURA'1', N.SASAO'1', Y.SUGIMOTO'1');
INST-ATH=(2JPNKTO'1');
/* '1' Department of Physics */
REF=NP/A;
VLP=481(1988)806;
RCTS=(P(D,D)P, P(D,2*P)N);
PHQS=(ANGL-DSTRN, DATA'2');
/* '2' The pp mass distribution */
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,3;
/* 2003-10-23 : Compiled */
CHM=ELM;
PHYS-FORM=LIQD;
THK-TGT=XMG/CM**2'3';
/* '3' The liquid hydrogen target with a cylindrical shape of 300
mm long and 50 mm in diameter was placed. */
POL-TGT=0%;
ALGN-TGT=0%;
ACC=SYN'4';
/* '4' A deuteron beam was separated from a secondary beam
through an intermediate-energy beam line (K2) of 12 GeV Proton
Synchrotron. */
INST-ACC=2JPNKEK;
ERS-PRJ=[0.5%'5';
/* '5' The momentum resolution of about 0.5 percents was achieved.
BEAM-INTNSTY=XPPS'6';
/* '6' A typical intensity of the deuteron beam was about 2-3E+5
particles per 400-msec-long machine spill. */
POL-PRJ=0%;
ANT-COINC=NO;
DET-SYS=(MAG'7',SCT'8',MWPC,X'9');
/* '7' C-type spectrometer magnet (TELAS) */
/* '8' Used as trigger counter and ToF counter [T.Tanimori et al.,
Nucl. Instr. Meth. 216(1983)57] */
/* '9' Drift chamber */
ERS-DET=[2.2%'10';
/* '10' about 2.4% (rms) for left arm and about 2.0% (rms) for
right arm. */
/* Experimental Method:
- Time-of-flight (The timing resolution of the ToF system was
about 200 psec [T.Tanimori et al., Nucl. Instr. Meth.
216(1983)57].)
RCT=P(D,2*P)N;
PHQ=DATA'15';
/* '15' The pp mass distribution */
INC-MOM-LAB=2280MEV/C;
DET-PARTCL=(P,P);
COINC=(P,P);
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,3;
INC-MOM-LAB=2280MEV/C;
SYS-ERR=10%'16';
/* '16' Systematic error on the normalization */
NORM=/ To demonstrate the validity of the normalization, d+p elastic
cross section evaliated was compared with the previous
measurement by Booth et al [N.E.Booth et al., Phys. Rev.
D4(1971)1261]. /;
EMT-1=P;
EMT-2=P;
RSD=N;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
DATA1'17' COUNTS DELTA-COUNTS
(MEV/C**2) (ARB) (ARB)
1.971E+03 2.049E+01 +-2.147E+00
1.976E+03 3.552E+01 +-1.074E+00
1.980E+03 3.875E+01 +-2.684E+00
1.983E+03 6.881E+01 +-4.294E+00
1.988E+03 9.673E+01 +-6.977E+00
1.993E+03 1.466E+02 +-9.661E+00
1.999E+03 1.950E+02 +-7.514E+00
2.004E+03 2.406E+02 +-9.661E+00
2.010E+03 3.039E+02 +-9.661E+00
2.016E+03 3.979E+02 +-1.127E+01
2.020E+03 4.338E+02 +-1.073E+01
2.026E+03 4.703E+02 +-1.342E+01
2.031E+03 5.804E+02 +-1.771E+01
2.035E+03 5.471E+02 +-1.879E+01
2.039E+03 6.534E+02 +-2.040E+01
2.044E+03 7.092E+02 +-2.040E+01
2.049E+03 7.972E+02 +-2.415E+01
2.055E+03 8.375E+02 +-1.878E+01
2.060E+03 8.573E+02 +-2.576E+01
2.066E+03 8.853E+02 +-2.040E+01
2.071E+03 9.239E+02 +-2.791E+01
2.077E+03 9.760E+02 +-2.791E+01
2.083E+03 9.851E+02 +-3.113E+01
2.086E+03 1.005E+03 +-2.791E+01
2.091E+03 1.048E+03 +-2.040E+01
2.095E+03 1.105E+03 +-2.845E+01
2.100E+03 1.036E+03 +-3.059E+01
2.104E+03 1.035E+03 +-2.630E+01
2.109E+03 1.057E+03 +-2.791E+01
2.115E+03 1.065E+03 +-2.469E+01
2.122E+03 1.085E+03 +-2.362E+01
2.126E+03 1.025E+03 +-3.059E+01
2.132E+03 9.820E+02 +-2.791E+01
2.137E+03 9.895E+02 +-2.254E+01
2.141E+03 9.396E+02 +-2.898E+01
2.145E+03 9.385E+02 +-2.522E+01
2.149E+03 9.106E+02 +-2.469E+01
2.153E+03 9.047E+02 +-2.040E+01
2.158E+03 8.204E+02 +-2.254E+01
2.162E+03 7.818E+02 +-1.825E+01
2.169E+03 7.550E+02 +-2.952E+01
2.175E+03 6.793E+02 +-2.791E+01
2.181E+03 6.799E+02 +-2.362E+01
2.184E+03 6.396E+02 +-2.684E+01
2.190E+03 5.897E+02 +-2.093E+01
2.195E+03 5.237E+02 +-1.986E+01
2.200E+03 4.571E+02 +-1.986E+01
2.203E+03 3.809E+02 +-1.288E+01
2.207E+03 3.155E+02 +-6.441E+00
2.212E+03 1.974E+02 +-1.449E+01
2.216E+03 9.811E+01 +-4.294E+00
2.223E+03 6.860E+01 +-3.221E+00
2.227E+03 4.606E+01 +-4.831E+00
2.234E+03 3.480E+01 +-2.684E+00
2.238E+03 2.514E+01 +-2.684E+00
2.244E+03 1.442E+01 +-3.221E+00
\END;
/*===================================================================*/
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