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/* NRDF D1610 Data No.4 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,4;
D#=D1610;
TITLE=/ Lambda hyperon production at backward angles in the reaction
6Li(pi-,Lambda)X at 4GeV/c /;
PURPOSE=/ To measure invariant cross sections and polarizations of
Lambda hyperons /;
ATH=(K.TOMIZAWA'1', I.ARAI'1', H.KITAYAMA'1', N.KATO'1', Y.NAGASAKA'1',
M.TANAKA'1', K.YAGI'1', J.CHIBA'2', T.KOBAYASHI'2', A.MANABE'2',
T.NAGAE'3', M.SEKIMOTO'3', V.PANTUEV'4');
INST-ATH=(2JPNTSU'1', 2JPNKEK'2', 2JPNINS'3', 4RUSJIA'4');
/* '1' Institute of Physics */
REF=PL/B;
VLP=328(1994)264;
RCTS=6LI(PIN,LAMDA)X;
PHQS=(DATA'5', ENGY-SPEC'6', ANGL-DSTRN, POL);
/* '5' Invariant-mass spectra of a (proton,pi-) pair */
/* '6' Invariant cross sections */
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,4;
/* 2003-08-13 : Converted, Am + On. Data converted to EXFOR E1610
/* 2005-11-03 : Converted, On. Converted from EXFOR E1610 */
RTY=INCL;
ENR=93%;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=XMG/CM**2'7';
/* '7' 36 mm thick and 32 mm in diameter */
ACC=SYN'8';
/* '8' pi2 beam line of 12 GeV proton synchrotron (12GeV PS) */
INST-ACC=2JPNKEK;
INC-MOM-LAB=4GEV/C;
ION-SOURCE=/ Spallation /;
DET-PARTCL=(PIN,P);
COINC=(P,PIN);
ANT-COINC=NO;
DET-SYS=(X'9',SCT'10',X'11');
/* '9' Cylindrical drift chamber (CDC) for measuring the momentum
and trajectory of the outgoing particles with a momentum
resolution of Delta P/P is about 10%. */
/* '10' Cylindrical hodoscope (CDH) which consists of 24 plastic
scintillator counters used to measure the time-of-flight of
the outgoing particle */
/* '11' Cylindrical drift chamber (VC) used to detect a vertex
point by measuring the trajectories of the Lambda hyperon's
decay products (proton and pi-). */
/* 2006-12-19 : Altered, At. Re-digitized */
RCT=6LI(PIN,LAMDA)X;
PHQ=ENGY-SPEC'23';
/* '23' Invariant cross sections */
ANL=X'24';
/* '24' Quark-parton model [G.Berlad et al., Phys. Rev.
D22(1980)1547]. */
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,4;
INC-MOM-LAB=4GEV/C;
THTL=90[100DEG;
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
ENGY-EMT'25' DATA1'26' DELTA-DATA1'26'
(MEV) (UNIT1) (UNIT1)
3.473E+01 1.008E+00 +-NEGLIGIBLE
8.561E+01 2.727E-01 +-NEGLIGIBLE
1.340E+02 4.680E-02 +-2.635E-02
\END;
/*===================================================================*/
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