/*===================================================================*/ /* NRDF D0368 Data No.1 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,1; 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,1; RCT=27AL(P,ALPHA)24MG; ENR=X%; CHM=ELM; THK-TGT=(30.5UG/CM**2,47.0UG/CM**2); BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=VDGT'4'; /*@4@*/ INST-ACC=2GERBOC; INC-ENGY-LAB-RANGE=1.350MEV(1KEV)1.460KEV; DELTA-INC-ENGY-LAB=X KEV'5'; /*@5@*/ ERS-PRJ=0.03%; BEAM-INTNSTY=250NA; POL-PRJ=NO; DET-PARTCL=(ALPHA); DET-SYS=SBD; SOLID-ANGL=3.397MSR; ERS-DET=20KEV; ANL=(X'1'); /*@3@*/ PHQ=(XSECTN,EXC-FUNCT,DSIGMA/DOMEGA); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,1; INC-ENGY-LAB=1.369MEV; CMPD=28SI; THTL=177.61DEG; /*FIG.3*/ /* D368 FIG.3 */ /* SER#= 1 */ /* XSCALE=LINEAR YSCALE=LINEAR */ /* XMAX= 8.00000000E+02 YMAX= 2.00000000E+01 */ /* XMIN= 7.00000000E+02 YMIN= 0.00000000E+00 */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; CHNL-NMBR COUNTS/CHNL (NODIM) (NODIM) 702.70 8.05E-02 703.67 1.21E-01 704.83 3.02E+00 705.60 1.61E-01 706.95 1.21E-01 707.72 9.66E-01 709.07 1.05E+00 710.04 1.05E+00 710.81 1.21E-01 711.97 1.05E+00 712.74 1.61E-01 713.51 1.05E+00 714.67 1.01E+00 715.64 1.05E+00 716.99 1.05E+00 717.57 8.05E-02 718.73 8.05E-02 720.08 8.05E-02 720.85 2.01E+00 722.01 1.05E+00 722.78 1.61E-01 723.94 1.05E+00 724.90 1.01E+00 725.87 3.02E+00 726.64 1.21E-01 727.80 3.06E+00 728.57 1.01E+00 729.92 2.01E+00 730.89 1.05E+00 732.05 4.10E+00 733.01 1.09E+00 733.98 2.98E+00 734.94 1.61E-01 735.91 1.01E+00 736.68 1.97E+00 737.84 1.21E-01 738.61 1.05E+00 739.57 2.01E-01 740.73 2.01E+00 741.89 1.61E-01 743.24 1.21E-01 744.01 1.97E+00 745.17 1.09E+00 745.75 8.05E-02 746.91 3.02E+00 747.88 4.99E+00 750.00 4.06E+00 750.77 6.00E+00 751.74 1.10E+01 752.90 1.01E+01 754.44 1.30E+01 771.43 1.50E+01 772.20 1.70E+01 773.36 6.96E+00 774.13 5.96E+00 774.90 2.01E+00 775.87 4.99E+00 777.22 4.99E+00 777.22 4.99E+00 777.99 4.06E+00 778.76 1.09E+00 779.92 1.21E-01 781.08 1.61E-01 782.43 1.21E-01 783.01 9.66E-01 783.98 8.05E-02 784.75 1.01E+00 785.71 1.01E+00 787.06 1.61E-01 787.84 4.10E+00 788.80 1.05E+00 789.96 1.61E-01 790.93 1.05E+00 792.28 1.05E+00 793.05 1.61E-01 794.21 1.61E-01 795.37 1.05E+00 796.14 1.61E-01 797.49 1.01E+00 798.26 1.61E-01 799.03 1.01E+00 800.00 2.01E+00 800.77 1.61E-01 802.12 1.21E-01 803.09 1.01E+00 804.25 1.05E+00 805.02 1.61E-01 806.37 1.21E-01 807.72 1.61E-01 808.88 1.21E-01 809.84 1.21E-01 811.20 1.21E-01 812.16 1.21E-01 813.32 8.05E-02 813.32 8.05E-02 813.90 1.21E-01 815.06 1.21E-01 816.02 1.21E-01 816.99 1.21E-01 817.76 8.05E-02 818.53 1.21E-01 819.69 1.21E-01 820.66 8.05E-02 821.23 8.05E-02 \END; /*===================================================================*/ |