ENTRY K+98 0 K+98 0 1 SUBENT K+98 1 0 K+98 1 1 BIB 12 62 K+98 1 2 INSTITUTES (SFHLS) K+98 1 3 (USALSU) K+98 1 4 (USAORL) K+98 1 5 (HUNDEB) K+98 1 6 REFERENCE (J,PR/C,58,2,699,1998) K+98 1 7 AUTHORS (A.KANGASMAKI,P.TIKKANEN,J.KEINONEN,W.E.ORMAND, K+98 1 8 S.RAMAN,ZS.FULOP,A.Z.KISS,E.SOMORJAI) K+98 1 9 TITLE LIFETIMES OF 32S LEVELS K+98 1 10 FACILITIES 100-KV ISOTOPE SEPARATOR, ACCELERATOR LABORATORY, K+98 1 11 UNIVERSITY OF HELSINKI, HELSINKI, FINLAND. K+98 1 12 (VDG) 5-MV TANDEM ACCELERATOR EGP-10-II, K+98 1 13 UNIVERSITY OF HELSINKI, HELSINKI, FINLAND. K+98 1 14 (VDG) 5-MV VAN DE GRAAFF ACCELERATOR, INSTITUTE K+98 1 15 OF NUCLEAR RESEARCH, DEBRECEN, HUNGARY. K+98 1 16 INC-PART (P) PROTONS. K+98 1 17 (31P) PHOSPHORUS. K+98 1 18 (6LI) LITHIUM-6. K+98 1 19 TARGETS DEUTERIUM TARGETS USED FOR THE 2H(31P,N-GAMMA)32S K+98 1 20 MEASUREMENTS WERE PREPARED BY IMPLANTING 2H INTO K+98 1 21 THICK GOLD (HIGH STOPPING POWER) AND SILICON SHEETS K+98 1 22 (LOW STOPPING POWER). PRELIMINARY TEST MEASUREMENTS K+98 1 23 FOR THE 28SI(6LI,P-N-GAMMA)32S REACTION WERE MADE K+98 1 24 USING 0.4-MM-THICK SINGLE CRYSTAL SILICON SHEETS K+98 1 25 AS TARGETS. A 28SI TARGET WITH HIGH STOPPING POWER K+98 1 26 WAS PREPARED BY IMPLANTING 28SI INTO 0.4-MM-THICK K+98 1 27 TANTALUM SHEETS. A 31P TARGET WITH HIGH STOPPING K+98 1 28 POWER WAS PREPARED BY IMPLANTING 31P IN GOLD AT 60 K+98 1 29 KEV. THE ION IMPLANTATIONS WERE ALL DONE USING THE K+98 1 30 100-KV ISOTOPE SEPARATOR AT HELSINKI. THE TARGET K+98 1 31 STABILITY IN EACH CASE WAS MONITORED BY OBSERVING K+98 1 32 THE GAMMA-RAY YIELDS. THE TARGETS WERE FOUND TO K+98 1 33 BE QUITE STABLE EXCEPT FOR THE DEUTERIUM TARGETS K+98 1 34 WHICH WERE FOUND INITIALLY TO LOSE SOME MATERIAL K+98 1 35 WHEN BOMBARDED WITH 31P BEAMS. K+98 1 36 METHOD LEVELS IN 32S EXCITED IN THREE NUCLEAR REACTIONS: K+98 1 37 2H(31P,N-GAMMA)32S, 28SI(6LI,P-N-GAMMA)32S, AND K+98 1 38 31P(P,GAMMA)32S. LOW STOPPING POWER TARGETS WERE K+98 1 39 USED TO MEASURE THE INITIAL RECOIL VELOCITY K+98 1 40 DISTRIBUTIONS. HIGH STOPPING POWER TARGETS WERE K+98 1 41 USED FOR MEASURING SHORT LIFETIMES. IT WAS ASSUMED K+98 1 42 THAT THE IMPLANTED LAYERS HAD NO SIGNIFICANT EFFECT K+98 1 43 ON THE SLOWING DOWN OF 32S RECOILS IN THE VARIOUS K+98 1 44 SUBSTRATE MATERIALS (GOLD, SILICON, AND TANTALUM). K+98 1 45 THE TARGETS WERE SET PERPENDICULAR TO THE INCIDENT K+98 1 46 BEAMS. THE CARBON BUILDUP ON THE TARGETS WAS KEPT K+98 1 47 TO A MINIMUM BY GOOD VACUUM SYSTEMS AND ALLOWING K+98 1 48 THE TARGETS TO STAY RELATIVELY HOT FROM THE K+98 1 49 INCIDENT ION BEAMS. OTHER DETAILS PERTAINING TO K+98 1 50 VARIOUS ASPECTS OF THE EXPERIMENT ARE AVAILABLE K+98 1 51 FROM THE ORIGINAL PAPER. K+98 1 52 DETECTORS (HPGE) ORTEC HIGH PURITY GERMANIUM DETECTOR WITH K+98 1 53 AN EFFICIENCY OF 25 PERCENT. THE RESOLUTION WAS K+98 1 54 2.20 KEV AT EG = 1.46 MEV AND 3.01 KEV AT EG = K+98 1 55 2.61 MEV. K+98 1 56 (BGO) BISMUTH GERMANATE (BGO) DETECTOR USED FOR K+98 1 57 COMPTON SUPPRESSION. K+98 1 58 MONITOR (CI) CURRENT INTEGRATOR. K+98 1 59 CORRECTION DATA WERE CORRECTED FOR STOPPING POWER AND DELAYED K+98 1 60 FEEDING OF STATES. K+98 1 61 ERR-ANALYS ERRORS ARE GIVEN IN THE PAPER. THE MAIN SOURCES OF K+98 1 62 ERROR WERE THE STOPPING POWERS OF IONS INCIDENT K+98 1 63 ON THE TARGETS. K+98 1 64 ENDBIB 62 K+98 1 65 ENDSUBENT 1 K+98 199999 SUBENT K+98 2 0 K+98 2 1 BIB 2 15 K+98 2 2 REACTIONS A: 2H(31P,N-GAMMA)32S K+98 2 3 B: 28SI(6LI,P-N-GAMMA)32S K+98 2 4 C: 31P(P,GAMMA)32S K+98 2 5 COMMENTS LIFETIMES OF LEVELS IN 32S ARE GIVEN. EXPERIMENT K+98 2 6 EMPLOYED THREE DIFFERENT REACTIONS. DATA OBTAINED K+98 2 7 FROM TABLE III OF THE ORIGINAL PAPER. EX = ENERGY K+98 2 8 OF EXCITED LEVEL IN 32S. REAC = REACTION USED TO K+98 2 9 EXCITE THIS STATE (A, B, OR C AS DEFINED ABOVE). K+98 2 10 EINC = INCIDENT PARTICLE ENERGY (31P, 6LI, OR P). K+98 2 11 TAU = MEASURED MEAN LIFETIME. TAU-ERR = ERROR IN K+98 2 12 TAU. FSEC = 10**(-15) SECOND. BLANK SPACE INDICATES K+98 2 13 THAT THERE IS NO ENTRY IN THE TABLE OR EXACT VALUE K+98 2 14 IS UNCERTAIN. IN PARTICULAR, MEASUREMENTS MADE WITH K+98 2 15 REACTION "B" ARE STATED TO INVOLVE EITHER 8 OR 12 K+98 2 16 MEV BUT IT IS NOT CLEAR IN THE TABLE WHICH WAS USED. K+98 2 17 ENDBIB 15 K+98 2 18 DATA 5 37 K+98 2 19 EX REAC EINC TAU TAU-ERR K+98 2 20 KEV NO-DIM MEV FSEC FSEC K+98 2 21 2230. C 1.557 252. 40. K+98 2 22 3778. B 1280. 130. K+98 2 23 3778. C 1.557 1300. 400. K+98 2 24 4282. A 24. 60. 9. K+98 2 25 4282. A 29. 60. 10. K+98 2 26 4282. B 57. 7. K+98 2 27 4282. C 1.557 57.7 2.0 K+98 2 28 4695. C 1.557 400. 40. K+98 2 29 5006. C 1.557 380. 70. K+98 2 30 5413. B 241. 35. K+98 2 31 5413. C 1.557 237. 40. K+98 2 32 5549. A 24. 84. 15. K+98 2 33 5549. C 1.557 95. 12. K+98 2 34 5798. A 24. 6.9 3.0 K+98 2 35 5798. A 29. 11.8 3.0 K+98 2 36 6224. A 24. 99. 20. K+98 2 37 6224. A 29. 112. 13. K+98 2 38 6411. B 35. 5. K+98 2 39 6621. C 1.583 800. 120. K+98 2 40 6666. C 1.557 88. 8. K+98 2 41 6762. C 1.583 375. 50. K+98 2 42 7002. A 24. 2.3 1.2 K+98 2 43 7002. A 29. 2.8 1.2 K+98 2 44 7002. C 1.057 2.0 0.7 K+98 2 45 7115. A 24. 7. 4. K+98 2 46 7115. A 29. 3.6 1.8 K+98 2 47 7115. C 1.057 2.3 0.5 K+98 2 48 7190. A 24. 11. 4. K+98 2 49 7190. A 29. 12. 3. K+98 2 50 7434. A 24. 10.0 1.8 K+98 2 51 7434. A 29. 11.7 1.4 K+98 2 52 7485. A 24. 6.8 2.0 K+98 2 53 7485. A 29. 7.4 1.7 K+98 2 54 7485. C 1.557 6.9 1.7 K+98 2 55 7536. A 24. 6.3 1.1 K+98 2 56 7536. A 29. 3.3 1.0 K+98 2 57 7950. C 1.583 210. 50. K+98 2 58 ENDDATA 39 K+98 2 59 ENDSUBENT 2 K+98 299999 SUBENT K+98 3 0 K+98 3 1 BIB 2 15 K+98 3 2 REACTION 31P(P,GAMMA)32S K+98 3 3 COMMENTS GAMMA-RAY DECAY OF RESONANCES IN THE REACTION K+98 3 4 31P(P,GAMMA)32S. DATA OBTAINED FROM TABLE IV IN K+98 3 5 THE ORIGINAL PAPER. EP = RESONANCE PROTON ENERGY. K+98 3 6 EX = EXCITATION ENERGY OF RESONANCE IN 32S. EI = K+98 3 7 ENERGY OF INITIAL STATE IN 32S OF GAMMA-RAY K+98 3 8 TRANSITION. EF = ENERGY OF FINAL STATE. J-PI(I) = K+98 3 9 SPIN/PARITY OF INITIAL STATE. J-PI(F) = SPIN/PARITY K+98 3 10 OF FINAL STATE. A NEGATIVE VALUE OF SPIN/PARITY K+98 3 11 INDICATES NEGATIVE PARITY. OTHERWISE PARITY IS K+98 3 12 POSITIVE. TI = ISOBARIC SPIN OF INITIAL STATE. K+98 3 13 TF = ISOBARIC SPIN OF FINAL STATE. B = BRANCHING K+98 3 14 FACTOR. B-ERR = ERROR IN BRANCHING FACTOR. A BLANK K+98 3 15 SPACE INDICATES THAT VALUE IS NOT AVAILABLE IN K+98 3 16 TABLE IV OR THAT THERE IS AMBIGUITY. PCT = PERCENT. K+98 3 17 ENDBIB 15 K+98 3 18 DATA 10 31 K+98 3 19 EP EX EI J-PI(I) TI EF K+98 3 20 J-PI(F) TF B B-ERR K+98 3 21 KEV MEV KEV NO-DIM NO-DIM KEV K+98 3 22 NO-DIM NO-DIM PCT PCT K+98 3 23 1557. 10.372 10372. 2. 1. 0. K+98 3 24 0. 0.30 0.08 K+98 3 25 1557. 10.372 10372. 2. 1. 2230. K+98 3 26 2. 7.6 0.8 K+98 3 27 1557. 10.372 10372. 2. 1. 4282. K+98 3 28 2. 37.4 2.6 K+98 3 29 1557. 10.372 10372. 2. 1. 4695. K+98 3 30 1. 10.7 1.0 K+98 3 31 1557. 10.372 10372. 2. 1. 5006. K+98 3 32 -3. 2.7 0.3 K+98 3 33 1557. 10.372 10372. 2. 1. 5413. K+98 3 34 3. 12.6 1.3 K+98 3 35 1557. 10.372 10372. 2. 1. 5549. K+98 3 36 2. 3.3 0.4 K+98 3 37 1557. 10.372 10372. 2. 1. 6224. K+98 3 38 -2. 2.5 0.3 K+98 3 39 1557. 10.372 10372. 2. 1. 6666. K+98 3 40 2. 19.8 1.8 K+98 3 41 1557. 10.372 10372. 2. 1. 7002. K+98 3 42 1. 1. 0.20 0.07 K+98 3 43 1557. 10.372 10372. 2. 1. 7190. K+98 3 44 1. 1.5 0.4 K+98 3 45 1557. 10.372 10372. 2. 1. 7350. K+98 3 46 3. 0.3 K+98 3 47 1557. 10.372 10372. 2. 1. 7485. K+98 3 48 2. 1.40 0.18 K+98 3 49 1583. 10.398 10398. -4. 1. 2230. K+98 3 50 2. 0.20 0.03 K+98 3 51 1583. 10.398 10398. -4. 1. 4282. K+98 3 52 2. 0.30 0.19 K+98 3 53 1583. 10.398 10398. -4. 1. 4459. K+98 3 54 4. 1.00 0.14 K+98 3 55 1583. 10.398 10398. -4. 1. 5006. K+98 3 56 -3. 4.9 0.6 K+98 3 57 1583. 10.398 10398. -4. 1. 5413. K+98 3 58 3. 0.10 0.03 K+98 3 59 1583. 10.398 10398. -4. 1. 5798. K+98 3 60 -1. 0.30 0.06 K+98 3 61 1583. 10.398 10398. -4. 1. 6224. K+98 3 62 -2. 0.4 K+98 3 63 1583. 10.398 10398. -4. 1. 6411. K+98 3 64 4. 0.4 K+98 3 65 1583. 10.398 10398. -4. 1. 6621. K+98 3 66 -4. 82.0 1.6 K+98 3 67 1583. 10.398 10398. -4. 1. 6762. K+98 3 68 -5. 2.7 0.4 K+98 3 69 1583. 10.398 10398. -4. 1. 6852. K+98 3 70 4. 1.60 0.22 K+98 3 71 1583. 10.398 10398. -4. 1. 7002. K+98 3 72 1. 1. 0.30 0.07 K+98 3 73 1583. 10.398 10398. -4. 1. 7350. K+98 3 74 3. 0.70 0.11 K+98 3 75 1583. 10.398 10398. -4. 1. 7567. K+98 3 76 5. 0.30 0.06 K+98 3 77 1583. 10.398 10398. -4. 1. 7702. K+98 3 78 -3. 0.70 0.09 K+98 3 79 1583. 10.398 10398. -4. 1. 7950. K+98 3 80 -4. 4.7 0.5 K+98 3 81 1583. 10.398 10398. -4. 1. 7975. K+98 3 82 -3. 0.4 K+98 3 83 1583. 10.398 10398. -4. 1. 8126. K+98 3 84 1. 1. 0.20 0.04 K+98 3 85 ENDDATA 66 K+98 3 86 ENDSUBENT 3 K+98 399999 SUBENT K+98 4 0 K+98 4 1 BIB 2 16 K+98 4 2 REACTIONS NOT SPECIFIED. K+98 4 3 COMMENTS EXPERIMENTAL PROBABILITIES FOR GAMMA-RAY TRANSITIONS K+98 4 4 BETWEEN POSITIVE PARITY STATES IN 32S ARE GIVEN. K+98 4 5 THESE DATA WERE OBTAINED FROM TABLE VIII OF THE K+98 4 6 ORIGINAL PAPER. EI = EXCITATION ENERGY OF THE K+98 4 7 INITIAL STATE IN 32S. EF = ENERGY OF FINAL STATE. K+98 4 8 J-PI(I) = SPIN/PARITY OF INITIAL STATE. J-PI(F) = K+98 4 9 SPIN/PARITY OF FINAL STATE. ALL PARITIES ARE K+98 4 10 POSITIVE IN THIS SET. TRANSTYP = TRANSITION TYPE K+98 4 11 (M1 = MAGNETIC DIPOLE, E2 = ELECTRIC QUADRUPOLE). K+98 4 12 TP = TRANSITION PROBABILITY. TP-ERR = ERROR IN TP. K+98 4 13 W.U. = WEISSKOPF UNITS. IN THOSE CASES WHERE ERRORS K+98 4 14 ARE ASYMMETRIC, THAT VALUE CORRESPONDING TO THE K+98 4 15 LARGEST ERROR COMPONENT IS GIVEN. SPECIFIC VALUES OF K+98 4 16 ALL ASYMMETRIC ERROR COMPONENTS CAN BE FOUND IN THE K+98 4 17 ORIGINAL PAPER. A BLANK SPACE IMPLIES NO VALUE GIVEN. K+98 4 18 ENDBIB 16 K+98 4 19 DATA 7 34 K+98 4 20 EI J-PI(I) EF J-PI(F) TRANSTYP TP K+98 4 21 TP-ERR K+98 4 22 KEV NO-DIM KEV NO-DIM NO-DIM W.U. K+98 4 23 W.U. K+98 4 24 2230. 2. 0. 0. E2 10.1 K+98 4 25 0.5 K+98 4 26 3778. 0. 2230. 2. E2 11.9 K+98 4 27 1.2 K+98 4 28 4282. 2. 0. 0. E2 1.38 K+98 4 29 0.05 K+98 4 30 4282. 2. 2230. 2. M1 3.5000E-05 K+98 4 31 5.4000E-05 K+98 4 32 4282. 2. 2230. 2. E2 8.9 K+98 4 33 0.5 K+98 4 34 4459. 4. 2230. 2. E2 11.9 K+98 4 35 1.7 K+98 4 36 4695. 1. 0. 0. M1 0.00031 K+98 4 37 0.00003 K+98 4 38 4695. 1. 2230. 2. M1 0.0025 K+98 4 39 0.0005 K+98 4 40 4695. 1. 2230. 2. E2 0.44 K+98 4 41 0.29 K+98 4 42 5413. 3. 2230. 2. M1 7.0000E-05 K+98 4 43 4.0000E-05 K+98 4 44 5413. 3. 2230. 2. E2 1.7 K+98 4 45 0.3 K+98 4 46 5549. 2. 0. 0. E2 0.113 K+98 4 47 0.015 K+98 4 48 5549. 2. 2230. 2. M1 0.0044 K+98 4 49 0.0009 K+98 4 50 5549. 2. 2230. 2. E2 0.5 K+98 4 51 0.3 K+98 4 52 6411. 4. 2230. 2. E2 3.0 K+98 4 53 0.4 K+98 4 54 6666. 2. 3778. 0. E2 3.7 K+98 4 55 0.5 K+98 4 56 6852. 4. 4282. 2. E2 9.2 K+98 4 57 2.6 K+98 4 58 6852. 4. 4459. 4. M1 0.0020 K+98 4 59 0.0012 K+98 4 60 6852. 4. 4459. 4. E2 1.6 K+98 4 61 0.9 K+98 4 62 7115. 2. 0. 0. E2 0.09 K+98 4 63 0.04 K+98 4 64 7115. 2. 2230. 2. M1 0.081 K+98 4 65 0.016 K+98 4 66 7115. 2. 2230. 2. E2 2.1 K+98 4 67 0.6 K+98 4 68 7190. 1. 0. 0. M1 0.003 K+98 4 69 0.001 K+98 4 70 7485. 2. 0. 0. E2 0.81 K+98 4 71 0.19 K+98 4 72 7536. 0. 4695. 1. M1 0.300 K+98 4 73 0.100 K+98 4 74 7567. 5. 4459. 4. M1 5.0000E-05 K+98 4 75 K+98 4 76 7567. 5. 4459. 4. E2 2.2 K+98 4 77 0.6 K+98 4 78 7567. 5. 5413. 3. E2 4.7 K+98 4 79 1.8 K+98 4 80 8126. 1. 0. 0. M1 0.220 K+98 4 81 0.040 K+98 4 82 9065. 4. 4282. 2. E2 0.074 K+98 4 83 0.009 K+98 4 84 9065. 4. 4459. 4. M1 8.0000E-06 K+98 4 85 4.6000E-05 K+98 4 86 9065. 4. 4459. 4. E2 0.22 K+98 4 87 0.03 K+98 4 88 9065. 4. 5413. 3. M1 0.00024 K+98 4 89 0.00007 K+98 4 90 9065. 4. 5413. 3. E2 1.29 K+98 4 91 0.15 K+98 4 92 ENDDATA 72 K+98 4 93 ENDSUBENT 4 K+98 499999 ENDENTRY 4 K+989999999