/*===================================================================*/ /* NRDF D0181 Data No.16 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,16; 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,16; 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=CU(P,PIN,X); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,16; INC-ENGY=4.89GEV; /*@13@*/ /*FIG.3-(E)*/ /* D181 FIG 3-(E) */ /* SER#= 16 */ /* XSCALE=LINEAR YSCALE=LOG */ /* XMAX= 5.000E-01 YMAX= 1.000E+02 */ /* XMIN= 0.000E+00 YMIN= 1.000E-04 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; DATA4'14' DATA5'15' DELTA-DATA5 (NODIM) (UNIT5) (UNIT5) 0.06 1.99E+02 XXXXXXXX 0.06 1.54E+02 XXXXXXXX 0.07 8.35E+01 XXXXXXXX 0.07 5.92E+01 XXXXXXXX 0.08 3.26E+01 5.76E+00 0.08 2.08E+01 3.22E+00 0.10 8.27E+00 1.46E+00 0.11 4.81E+00 1.05E+00 0.12 1.92E+00 3.79E-01 0.13 1.11E+00 1.96E-01 0.15 3.57E-01 7.07E-02 0.15 2.12E-01 1.99E-02 0.17 5.17E-02 1.02E-02 0.18 2.56E-02 5.62E-03 \END; /*===================================================================*/ |