/*===================================================================*/ /* NRDF D1634 Data No.1 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,1; D#=D1634; TITLE=/ Study of the n p -> p p pi- reaction in the incident neutron momentum range 1.0-1.9 GeV/c /; PURPOSE=/ To study the neutron-proton singe-pion production reaction n p -> p p pi- in the incident neutron momentum range 1.0-1.9 GeV/c. /; ATH=(T.TSUBOYAMA'1', N.KATAYAMA'1', F.SAI'1', S.S.YAMAMOTO'1'); INST-ATH=(2JPNTOK'1'); /* '1' Department of Physics */ REF=NP/A; VLP=486(1988)669; RCTS=(P(D,PIN,P,P)P, P(N,PIN,P)P, P(P,PI0,P)P); PHQS=(TOT-XSECTN, XSECTN'2', ANGL-DSTRN); /* '2' Nucleon-nucleon single-pion production cross sections, Sigma(01) where 0, 1 are initial and final two-nucleon isospins respectively */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,1; /* 2003-10-01 : Compiled */ CHM=ELM; PHYS-FORM=LIQD; POL-TGT=0%; ALGN-TGT=0%; ACC=SYN'3'; /* '3' 12GeV proton synchrotron */ INST-ACC=2JPNKEK; POL-PRJ=0%; ION-SOURCE=/ Spallation(Momenta of secondary beam of deuterons were determined from the kinematical fit of fully constrained dp -> ppppi- events.) /; DET-PARTCL=(PIN,P); COINC=(P,PIN); ANT-COINC=NO; DET-SYS=BUBBLC'4'; /* '4' 1m liquid-hydrogen bubble chamber */ RCT=P(D,PIN,P,P)P; PHQ=TOT-XSECTN; INC-MOM-LAB=(2.08GEV/C, 2.28GEV/C, 2.49GEV/C, 2.68GEV/C, 2.88GEV/C, 2.96GEV/C, 3.18GEV/C, 3.38GEV/C, 3.57GEV/C, 3.79GEV/C); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,1; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-MOM-LAB SIGMA DELTA-SIGMA'5' (GEV/C) (MB) (MB) 2.08 0.18 +-0.03 2.28 0.62 +-0.04 2.49 1.10 +-0.07 2.68 1.71 +-0.07 2.88 1.99 +-0.08 2.96 2.08 +-0.08 3.18 2.22 +-0.08 3.38 2.48 +-0.09 3.57 2.60 +-0.09 3.79 3.01 +-0.10 \END; /*===================================================================*/ |