/*===================================================================*/ /* NRDF D0181 Data No.11 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,11; D#=D181; TITLE=/ENERGY DEPENDENCE OF CHARGED PIONS PRODUCED AT 180 DEGREE IN 0.8-4.89-GEV PROTON-NUCLEUS COLLISIONS/; PURPOSE=/(ABSTRACT) HIGH-ENERGY PIONS PRODUCED IN PROTON-NUCLEUS COLLISSIONS WAS STUDIED. BOTH THE SLOPES OF THE ENERGY SPECTRA AND THE PION-/PION+ RATIONS INCREASE RAPIDLY WITH PRIMARY ENERGY UP TO ABOUT 3-4 GEV, WHERE LIMITING VALUES APPEAR TO BE REACHED. THE DEPENDENCE ON TARGET MASS ALSO CHANGES OVER THIS ENERGY RANGE. UNLIKE FORWARD PION-PRODUCTION RESULTS, BACKWARD PIONS AT THESE ENERGIES DO NOT OBEY THE SCALING LAW BY SCHMIDT AND BLANKENBECLER./; ATH=(L.S.SCHROEDER'1',S.A.CHESSIN'1',J.V.GEAGA'1',J.Y.GROSSIORD'1', J.W.HARRIS'1',D.L.HENDRIE'1',R.TREUHAFT'1',K.VAN BIBBER'1'); INST-ATH=(1USABRK'1'); REF=PRL; VLP=43(1979)1787; RCTS=(C(P,PIP,X), C(P,PIN,X), AL(P,PIP,X),AL(P,PIN,X),CU(P,PIP,X), CU(P,PIN,X),SN(P,PIP,X),SN(P,PIN,X),PB(P,PIP,X),PB(P,PIN,X)); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,11; ENR=NAT; CHM=ELM; ACC=(BEVATRON); INST-ACC=1USABRK; INC-ENGY-RANGE=(0.8GEV,1.05GEV,2.1GEV,3.5GEV,4.89GEV); BEAM-INTNSTY=10**10/PULSE; /*@3@*/ /*@8@*/ /*@4@*/ DET-PARTCL=(PIP,PIN); DET-SYS=(MAG+TOF+SCT,EDE); /*@2@*/ /*@5@*/ /*@6@*/ /*@7@*/ /*@13@*/ PHQ=(ENGY-SPEC,XSECTN-RATIO,SP-INCL-SPEC); RCT=C(P,PIN,X); RCT=AL(P,PIN,X); RCT=CU(P,PIN,X); RCT=SN(P,PIN,X); RCT=PB(P,PIN,X); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,11; INC-ENGY=4.89GEV; /*FIG.2-(H)*/ /* D181 FIG 2-(H) */ /* SER#= 11 */ /* XSCALE=LINEAR YSCALE=LIENAR */ /* XMAX= 3.500E+00 YMAX= 1.200E+00 */ /* XMIN= 0.000E+00 YMIN= 6.000E-01 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; DATA2'11' DATA3'12' DELTA-DATA3 (NODIM) (NODIM) (NODIM) 0.39 8.80E-01 3.96E-02 0.55 9.14E-01 3.96E-02 0.60 8.80E-01 4.81E-02 0.75 8.66E-01 4.81E-02 0.80 9.17E-01 6.22E-02 1.12 9.48E-01 7.35E-02 1.22 1.00E+00 5.94E-02 1.51 1.12E+00 8.20E-02 1.63 1.14E+00 9.05E-02 2.03 1.09E+00 7.35E-02 2.32 1.16E+00 1.27E-01 \END; /*===================================================================*/ |