/*===================================================================*/ /* NRDF D0368 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; D#=D368; TITLE=/TEST OF DETAILED BALANCE AT ISOLATED RESONANCES IN THE REACTIONS 27AL+P --> <-- 24MG+ALPHA AND TIME REVERSIBILITY/; PURPOSE=/IT IS WELL KNOWN THAT FOR NUCLEA REACTIONS PROCEEDING VIA AN ISOLATED RESONANCE, THE ANGLE-INTEGRATED CROSS SECTIONS AUTOMATICALLY SATISFY DETAILED BALANCE, WHETHER OR NOT NUCLEAR FORCES ARE TIME REVERSIBLE. HOWEVER, THIS IS NOT THE CASE FOR THE DIFFERENTIAL CROSS SECTIONS, SO THAT A DETAILED-BALANCE TEST FOR TIME REVERSIBILITY BECOMES POSSIBLE,IN PRINCIPLE, IN THE REGION OF ISOLATED RESONANCES. WE DESCRIBE THE FIRST SUCH EXPERIMENTAL TEST OF DETAILED BALANCE, THE REACTION STUDIED BEING 27AL+P --> <-- 24MG+ALPHA, TAKING PLACE THROUGH THE ISOLATED J-PI=2+ RESONANCE AT EXC-ENGY=12.901 MEV IN 28SI. ATH=(H.DRILLER'1',E.BLANKE'1',H.GENZ'2',A.RICHTER'2',G.SCHRIEDER'2', J.M.PEARSON'3'); INST-ATH=(2GERBOC'1',2GERTHD'2',1CANMON'3'); REF=NP/A; VLP=317(1979)300; RCTS=(27AL(P,ALPHA)24MG,24MG(ALPHA,P)27AL); /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,2; RCT=24MG(ALPHA,P)27AL; ENR=X%; CHM=ELM; THK-TGT=(6.0UG/CM**2,1.0UG/CM**2); BAC=C; THK-BAC=(9UG/CM**2,4UG/CM**2); POL-TGT=NO; ALGN-TGT=NO; ACC=VDG; INST-ACC=2GERBOC; INC-ENGY-LAB-RANGE=3.380MEV(1.1KEV)3.520KEV; DELTA-INC-ENGY-LAB=X KEV; ERS-PRJ=0.03%; BEAM-INTNSTY=250NA; POL-PRJ=NO; DET-PARTCL=(P); DET-SYS=SBD; SOLID-ANGL=3.897MSR; ERS-DET=X KEV; ANL=(X'1'); /*@3@*/ PHQ=(XSECTN,EXC-FUNCT,DSIGMA/DOMEGA); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; INC-ENGY-LAB=3.407MEV; CMPD=28SI; THTL=177.44DEG; /*FIG.4*/ /* D368 FIG.4 */ /* SER#= 2 */ /* XSCALE=LINEAR YSCALE=LINEAR */ /* XMAX= 8.00000000E+02 YMAX= 4.00000000E+01 */ /* XMIN= 4.00000000E+02 YMIN= 0.00000000E+00 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; CHNL-NMBR COUNTS/CHNL (NODIM) (NODIM) 403.74 2.06E+00 408.24 3.14E+00 413.48 2.16E+00 417.98 1.18E+00 421.72 2.06E+00 424.72 2.94E+00 429.96 1.37E+00 433.71 1.08E+00 437.45 2.16E+00 441.20 6.08E+00 444.94 2.16E+00 447.94 1.18E+00 452.43 1.18E+00 457.68 2.16E+00 461.42 1.18E+00 465.17 1.18E+00 468.91 1.18E+00 473.41 4.12E+00 477.15 2.06E+00 481.65 5.10E+00 484.64 1.27E+00 488.39 1.18E+00 492.13 1.27E+00 496.63 1.96E-01 499.63 2.25E+00 504.12 3.04E+00 510.11 4.02E+00 513.11 1.37E+00 516.10 3.92E-01 521.35 3.04E+00 525.09 1.27E+00 528.84 1.27E+00 533.33 3.14E+00 537.08 1.18E+00 540.82 2.25E+00 544.57 4.12E+00 548.31 2.16E+00 552.06 4.02E+00 556.55 5.20E+00 562.55 4.12E+00 564.79 6.96E+00 568.54 7.06E+00 573.03 7.94E+00 577.53 7.94E+00 580.52 1.10E+01 583.52 1.10E+01 587.27 1.29E+01 591.01 1.50E+01 594.76 2.01E+01 599.25 1.91E+01 605.99 3.40E+01 608.99 2.20E+01 613.48 3.62E+01 617.98 3.01E+01 620.97 3.99E+01 624.72 3.21E+01 626.22 4.79E+01 631.46 3.90E+01 636.70 4.69E+01 638.95 4.21E+01 644.94 4.00E+01 648.69 4.09E+01 652.43 3.70E+01 657.68 2.80E+01 661.42 3.01E+01 665.17 3.52E+01 668.91 2.80E+01 674.16 3.51E+01 676.40 1.91E+01 678.65 1.59E+01 683.15 8.04E+00 687.64 1.22E+01 692.13 1.31E+01 696.63 9.12E+00 700.37 5.20E+00 704.12 6.08E+00 709.36 5.20E+00 712.36 6.96E+00 716.10 4.90E+00 720.60 5.10E+00 723.60 2.25E+00 728.09 6.08E+00 731.83 5.00E+00 734.83 2.25E+00 740.07 2.25E+00 743.07 3.24E+00 748.31 3.14E+00 752.06 2.25E+00 757.30 2.25E+00 760.30 2.16E+00 764.79 3.04E+00 768.54 4.31E+00 770.79 2.94E-01 776.03 4.90E-01 779.03 2.94E+00 782.77 3.14E+00 786.52 2.94E-01 791.76 1.18E+00 794.76 2.16E+00 800.75 1.18E+00 804.49 3.24E+00 807.49 3.33E+00 813.48 2.25E+00 816.48 3.14E+00 820.22 3.24E+00 823.22 1.27E+00 826.22 3.92E+00 830.71 3.92E-01 834.46 2.16E+00 838.95 1.47E+00 842.70 2.25E+00 847.19 1.27E+00 851.69 2.06E+00 854.68 3.04E+00 858.43 2.94E-01 863.67 3.04E+00 866.67 1.08E+00 \END; /*===================================================================*/ |