ENTRY PSM69 0 PSM69 0 1 SUBENT PSM69 1 0 PSM69 1 1 BIB 12 53 PSM69 1 2 INSTITUTE (USAORE) PSM69 1 3 REFERENCE (J,PR,181,4,1555,1969) PSM69 1 4 AUTHORS (C.J.PILUSO,G.C.SALZMAN,D.K.MCDANIELS) PSM69 1 5 TITLE LIFETIME AND ANGULAR DISTRIBUTION MEASUREMENTS PSM69 1 6 FROM THE 31P(P,GAMMA)32S REACTION PSM69 1 7 FACILITY (VDG) 4-MV VAN DE GRAAFF ACCELERATOR, DEPT. OF PSM69 1 8 PHYSICS, UNIVERSITY OF OREGON, EUGENE, OREGON. PSM69 1 9 INC-PART (P) PROTONS. PSM69 1 10 TARGETS PHOSPHORUS TARGET MADE FROM 99.999%-PURE ZN3P2 PSM69 1 11 EVAPORATED ONTO 0.010-INCH THICK GOLD BACKING WAS PSM69 1 12 USED FOR MOST OF THE MEASUREMENTS. A FLUORINE TARGET PSM69 1 13 MADE FROM BAF2 EVAPORATED ONTO A 0.010-INCH THICK PSM69 1 14 TANTALUM BACKING WAS USED FOR SYSTEM ASYMMETRY PSM69 1 15 DETERMINATIONS. PSM69 1 16 METHOD 8-10 KEV THICK PHOSPHORUS TARGETS WERE USED IN THE PSM69 1 17 MEASUREMENTS. THE GE(LI) DETECTOR WAS PLACED 1.6 PSM69 1 18 INCHES FROM THE TARGET AT 55 DEGREES AND 90 DEGREES PSM69 1 19 RELATIVE TO THE INCIDENT PROTONS. GAMMA-RAY SPECTRA PSM69 1 20 WERE OBTAINED FOR PROTON ENERGIES CORRESPONDING TO PSM69 1 21 THE 1.248-, 1.438-, 1.556- AND 1.583-MEV RESONANCES PSM69 1 22 IN THE 31P(P,GAMMA)32S REACTION. THE GE(LI) PSM69 1 23 DETECTOR ENERGY SCALE CALIBRATION WAS ESTABLISHED, PSM69 1 24 AND PEAK CENTROIDS WERE LOCATED AS DESCRIBED IN THE PSM69 1 25 ORIGINAL PAPER AND OTHER REFERENCES CITED THEREIN. PSM69 1 26 THE LIFETIMES OF SEVERAL LEVELS WERE DETERMINED BY PSM69 1 27 THE DOPPLER-SHIFT-ATTENUATION METHOD. THE 1.438- PSM69 1 28 AND 1.556-MEV RESONANCES WERE THE MOST USEFUL FOR PSM69 1 29 THESE LIFETIME MEASUREMENTS. ANGULAR DISTRIBUTION PSM69 1 30 MEASUREMENTS WERE MADE WITH THE GE(LI) DETECTOR PSM69 1 31 LOCATED 2.7 INCHES FROM THE TARGET AT 90, 75, 60, PSM69 1 32 52, 41, 30, AND 0 DEGREES RELATIVE TO THE INCIDENT PSM69 1 33 PROTONS. THE NAI(TL) DETECTOR WAS PLACED 6 INCHES PSM69 1 34 FROM THE TARGET AT 130 DEGREES DURING THESE PSM69 1 35 MEASUREMENTS. ALL THE ANGULAR DISTRIBUTIONS WERE PSM69 1 36 MEASURED AT THE 1.248- AND 1.438-MEV RESONANCES. PSM69 1 37 SYSTEM ASYMMETRY WAS CHECKED BY OBSERVING THE PSM69 1 38 ISOTROPIC 6.129-MEV GAMMA RAY FROM THE PSM69 1 39 19F(P,ALPHA-GAMMA)16O REACTION. PSM69 1 40 DETECTORS (GELI) 20-CM**3 GE(LI) DETECTOR. PSM69 1 41 (NAI) 3-INCH X 3-INCH NAI(TL) SCINTILLATION PSM69 1 42 CRYSTAL DETECTOR. PSM69 1 43 MONITORS (CI) CURRENT INTEGRATOR. PSM69 1 44 (SCINT) NAI(TL) SCINTILLATION CRYSTAL DETECTOR. PSM69 1 45 CORRECTION CORRECTED DATA FOR BACKGROUND COUNTS, FINITE PSM69 1 46 SOLID ANGLE, AND INSTRUMENTAL ANISOTROPIES. PSM69 1 47 ERR-ANALYS THE MAJOR SOURCE OF SYSTEMATIC ERROR WAS THE PSM69 1 48 POSSIBLE DEVIATION OF THE PROTON BEAM FROM THE PSM69 1 49 CENTER OF ROTATION OF THE GE(LI) DETECTOR. PSM69 1 50 ANOTHER SOURCE OF ERROR WAS GAIN SHIFTS IN THE PSM69 1 51 NAI(TL) DETECTOR WHICH ALTERED NORMALIZATION OF PSM69 1 52 THE DATA. PEAK AREA UNCERTAINTIES WERE THE MOST PSM69 1 53 IMPORTANT SOURCE OF ERROR IN ANALYZING ANGULAR PSM69 1 54 DISTRIBUTION DATA. PSM69 1 55 ENDBIB 53 PSM69 1 56 ENDSUBENT 1 PSM69 199999 SUBENT PSM69 2 0 PSM69 2 1 BIB 2 9 PSM69 2 2 REACTION 31P(P,GAMMA)32S PSM69 2 3 COMMENTS GAMMA-RAY BRANCHING RATIOS FOR DECAY OF RESONANCES PSM69 2 4 IN 31P(P,GAMMA)32S ARE GIVEN. EP = RESONANCE PROTON PSM69 2 5 ENERGY. EX = EXCITATION ENERGY IN 32S. EI = INITIAL PSM69 2 6 STATE FOR GAMMA-RAY TRANSITION. EF = FINAL STATE. PSM69 2 7 B = BRANCHING RATIO. B-ERR = ERROR IN B. THESE ERRORS PSM69 2 8 ARE GENERALLY 10 PERCENT. DATA FROM TABLE I OF THE PSM69 2 9 ORIGINAL PAPER. PCT = PERCENT. BLANK ENTRIES IMPLY PSM69 2 10 VALUE IS NOT AVAILABLE IN THE ORIGINAL PAPER. PSM69 2 11 ENDBIB 9 PSM69 2 12 DATA 6 31 PSM69 2 13 EP EX EI EF B B-ERR PSM69 2 14 MEV MEV MEV MEV PCT PCT PSM69 2 15 1.248 10.073 10.073 0. 2. 0.2 PSM69 2 16 1.248 10.073 10.073 2.230 29. 2.9 PSM69 2 17 1.248 10.073 10.073 4.280 2. 0.2 PSM69 2 18 1.248 10.073 10.073 4.694 2. 0.2 PSM69 2 19 1.248 10.073 10.073 5.006 14. 1.4 PSM69 2 20 1.248 10.073 10.073 5.410 4. 0.4 PSM69 2 21 1.248 10.073 10.073 6.226 47. 4.7 PSM69 2 22 1.438 10.257 10.257 0. 0.1 PSM69 2 23 1.438 10.257 10.257 2.230 1. 0.1 PSM69 2 24 1.438 10.257 10.257 4.459 9. 0.9 PSM69 2 25 1.438 10.257 10.257 5.006 5. 0.5 PSM69 2 26 1.438 10.257 10.257 6.623 76. 7.6 PSM69 2 27 1.438 10.257 10.257 7.952 9. 0.9 PSM69 2 28 1.556 10.371 10.371 0. 0.5 PSM69 2 29 1.556 10.371 10.371 2.230 11. 1.1 PSM69 2 30 1.556 10.371 10.371 4.280 40. 4. PSM69 2 31 1.556 10.371 10.371 4.694 11. 1.1 PSM69 2 32 1.556 10.371 10.371 5.006 2. 0.2 PSM69 2 33 1.556 10.371 10.371 5.410 12. 1.2 PSM69 2 34 1.556 10.371 10.371 5.544 4. 0.4 PSM69 2 35 1.556 10.371 10.371 6.226 3. 0.3 PSM69 2 36 1.556 10.371 10.371 6.664 13. 1.3 PSM69 2 37 1.556 10.371 10.371 7.188 1. 0.1 PSM69 2 38 1.556 10.371 10.371 7.485 2. 0.2 PSM69 2 39 1.583 10.398 10.398 0. 0.5 PSM69 2 40 1.583 10.398 10.398 2.230 1. PSM69 2 41 1.583 10.398 10.398 4.280 2. 0.2 PSM69 2 42 1.583 10.398 10.398 4.459 1. 0.1 PSM69 2 43 1.583 10.398 10.398 5.006 7. 0.7 PSM69 2 44 1.583 10.398 10.398 6.623 85. 8.5 PSM69 2 45 1.583 10.398 10.398 7.952 4. 0.4 PSM69 2 46 ENDDATA 33 PSM69 2 47 ENDSUBENT 2 PSM69 299999 SUBENT PSM69 3 0 PSM69 3 1 BIB 2 9 PSM69 3 2 REACTION 31P(P,GAMMA)32S PSM69 3 3 COMMENTS DOPPLER-SHIFT-ATTENUATION MEASUREMENTS OF 32S STATE PSM69 3 4 LIFETIMES ARE GIVEN. EX = LEVEL EXCITATION ENERGY. PSM69 3 5 TAU = MEAN LIFETIME OF THE INDICATED LEVEL. SOME OF PSM69 3 6 THE ERRORS ARE ASYMMETRIC. THEREFORE TWO COMPONENTS PSM69 3 7 MUST BE GIVEN. TAU-ERR(+) = POSITIVE LOBE. TAU-ERR(-) PSM69 3 8 = NEGATIVE LOBE. A BLANK ENTRY INDICATES THAT NO PSM69 3 9 VALUE IS AVAILABLE. DATA OBTAINED FROM TABLE II OF PSM69 3 10 THE ORIGINAL PAPER. PICOSEC = 10**(-12) SECOND. PSM69 3 11 ENDBIB 9 PSM69 3 12 DATA 4 10 PSM69 3 13 EX TAU TAU-ERR(+) TAU-ERR(-) PSM69 3 14 MEV PICOSEC PICOSEC PICOSEC PSM69 3 15 3.775 0.52 0.30 0.10 PSM69 3 16 4.280 0.029 0.002 0.002 PSM69 3 17 4.694 0.53 0.05 0.05 PSM69 3 18 5.006 1.50 2.50 0.70 PSM69 3 19 5.410 0.097 0.005 0.005 PSM69 3 20 5.544 0.043 0.035 0.035 PSM69 3 21 6.226 0.11 0.05 0.03 PSM69 3 22 6.623 0.37 0.08 0.08 PSM69 3 23 6.664 0.054 0.013 0.009 PSM69 3 24 7.952 0.01 PSM69 3 25 ENDDATA 12 PSM69 3 26 ENDSUBENT 3 PSM69 399999 SUBENT PSM69 4 0 PSM69 4 1 BIB 2 12 PSM69 4 2 REACTION 31P(P,GAMMA)32S PSM69 4 3 COMMENTS LEAST-SQUARE-FIT ANGULAR DISTRIBUTION COEFFICIENTS PSM69 4 4 FOR GAMMA RAYS FROM THE DECAY OF THE RESONANCES IN PSM69 4 5 THE 31P(P,GAMMA)32S REACTION ARE GIVEN. DATA FROM PSM69 4 6 TABLE III OF THE ORIGINAL PAPER. EP = RESONANCE PSM69 4 7 PROTON ENERGY. EX = EXCITATION ENERGY IN 32S. EI = PSM69 4 8 INITIAL ENERGY OF GAMMA-RAY TRANSITION. EF = FINAL PSM69 4 9 ENERGY. A2 = COEFFICIENT OF P2 TERM IN THE LEGENDRE PSM69 4 10 POLYNOMIAL EXPANSION OF ANGULAR DISTRIBUTION. A2-ERR PSM69 4 11 = ERROR IN A2. A4 = COEFFICIENT OF P4 TERM IN PSM69 4 12 THE LEGENDRE POLYNOMIAL EXPANSION OF ANGULAR PSM69 4 13 DISTRIBUTION. A4 = ERROR IN A4. PSM69 4 14 ENDBIB 12 PSM69 4 15 DATA 8 13 PSM69 4 16 EP EX EI EF A2 A2-ERR PSM69 4 17 A4 A4-ERR PSM69 4 18 MEV MEV MEV MEV NO-DIM NO-DIM PSM69 4 19 NO-DIM NO-DIM PSM69 4 20 1.248 10.073 10.073 6.226 0.238 0.015 PSM69 4 21 0.044 0.014 PSM69 4 22 1.248 10.073 10.073 5.410 -0.172 0.090 PSM69 4 23 -0.046 0.100 PSM69 4 24 1.248 10.073 10.073 5.006 -0.130 0.024 PSM69 4 25 0.042 0.027 PSM69 4 26 1.248 10.073 10.073 2.230 0.278 0.032 PSM69 4 27 0.015 0.034 PSM69 4 28 1.248 10.073 10.073 0.0 0.516 0.129 PSM69 4 29 0.004 0.130 PSM69 4 30 1.248 10.073 6.226 2.230 0.100 0.004 PSM69 4 31 0.001 0.004 PSM69 4 32 1.248 10.073 5.410 2.230 0.066 0.040 PSM69 4 33 0.077 0.041 PSM69 4 34 1.248 10.073 5.006 2.230 -0.279 0.027 PSM69 4 35 -0.063 0.030 PSM69 4 36 1.438 10.257 10.257 6.623 0.655 0.028 PSM69 4 37 0.028 0.031 PSM69 4 38 1.438 10.257 10.257 5.006 -0.305 0.038 PSM69 4 39 -0.223 0.040 PSM69 4 40 1.438 10.257 10.257 4.459 0.609 0.055 PSM69 4 41 0.010 0.056 PSM69 4 42 1.438 10.257 6.623 5.006 0.491 0.037 PSM69 4 43 0.224 0.041 PSM69 4 44 1.438 10.257 6.623 4.459 0.559 0.020 PSM69 4 45 -0.031 0.022 PSM69 4 46 ENDDATA 30 PSM69 4 47 ENDSUBENT 4 PSM69 499999 SUBENT PSM69 5 0 PSM69 5 1 BIB 2 8 PSM69 5 2 REACTION 31P(P,GAMMA)32S PSM69 5 3 COMMENTS M1/E2 MULTIPOLE MIXING RATIOS DERIVED FROM MEASURED PSM69 5 4 ANGULAR DISTRIBUTIONS ARE GIVEN. DATA OBTAINED FROM PSM69 5 5 TABLE V OF THE ORIGINAL PAPER. EI = ENERGY OF INITIAL PSM69 5 6 32S STATE FOR GAMMA-RAY TRANSITION. EF = ENERGY OF PSM69 5 7 FINAL STATE. DELTA = M1/E2 MULTIPOLE MIXING RATIO. PSM69 5 8 DELTA-ERR = ERROR IN DELTA. AMBIGUOUS VALUES FROM PSM69 5 9 THE TABLE IN THE ORIGINAL PAPER ARE NOT GIVEN. PSM69 5 10 ENDBIB 8 PSM69 5 11 DATA 4 5 PSM69 5 12 EI EF DELTA DELTA-ERR PSM69 5 13 MEV MEV NO-DIM NO-DIM PSM69 5 14 10.073 2.230 0.06 0.02 PSM69 5 15 10.073 5.006 0.02 0.03 PSM69 5 16 10.073 6.226 -0.07 0.03 PSM69 5 17 6.226 2.230 -0.14 0.02 PSM69 5 18 5.006 2.230 -3.5 0.8 PSM69 5 19 ENDDATA 7 PSM69 5 20 ENDSUBENT 5 PSM69 699999 ENDENTRY 5 PSM699999999