ENTRY 33117 20211202 32043311700000001 SUBENT 33117001 20211202 32043311700100001 BIB 14 67 3311700100002 TITLE Measurement and covariance analysis of 59Co(n,2n)58Co 3311700100003 reaction cross sections at the effective neutron 3311700100004 energies of 11.98 and 15.75 MeV 3311700100005 AUTHOR (S.S.Yerraguntla, H.Naik, M.Karantha, S.Ganesan, 3311700100006 S.V.Saraswatula, S.N.P.Nair) 3311700100007 INSTITUTE (3INDTRM,3INDMNP) 3311700100008 (3INDIND) JIPMER, Puducherry, Tamilnadu 3311700100009 REFERENCE (J,RCA,106,877,2018) 3311700100010 FACILITY (VDGT,3INDTRM) 14UD BARC-TIFR, Pelletron facility 3311700100011 SAMPLE Two Co metal foils of radius 0.25 cm and 0.3 cm were 3311700100012 wrapped separately with Al foil of thickness 0.025 mm. 3311700100013 Similarly, In metal foils of size 0.5 cm X 0.6 cm and 3311700100014 0.8 cm X 0.6 m were separately wrapped with Al foils 3311700100015 of same thickness. 3311700100016 DETECTOR (HPGE) A pre-calibrated 80 cm3 HPGe detector was 3311700100017 coupled to a PC-based 4096 channel analyzer. 3311700100018 The resolution of the detector system had a full-width 3311700100019 at half-maximum of 2 keV at 1332.5 keV of 60Co. 3311700100020 METHOD (ACTIV,STTA) The two stacks were irradiated for 7 and 3311700100021 11.17 hours, respectively. 3311700100022 The irradiated cobalt foils from the two stacks were 3311700100023 allowed to decay for 22.8 and 12.4 hours, respectively.3311700100024 The irradiated indium foils were allowed to decay for 3311700100025 2.9 and 1.1 hours, respectively. 3311700100026 MONITOR (49-IN-115(N,INL)49-IN-115-M,,SIG) 3311700100027 DECAY-MON (49-IN-115-M,4.486HR,DG,45.9,0.9571) 3311700100028 INC-SOURCE (P-LI7) Natural lithium foil of thickness 3.7 mg/cm2, 3311700100029 and the two tantalum foils were of different 3311700100030 thicknesses. 3311700100031 The front tantalum foil facing the proton beam was 3311700100032 3.9 mg/cm2. 3311700100033 The back tantalum foil of thickness more than 0.025 mm 3311700100034 was used to stop the proton beam. 3311700100035 COVARIANCE (XY,2,EN,MEV) 3311700100036 11.98 15.75 3311700100037 (Z,3,COR,NO-DIM) 3311700100038 1. 3311700100039 0.18 1. 3311700100040 ERR-ANALYS (ERR-T) Total uncertainty propagated from 3311700100041 Average mass of Co sample 3311700100042 +/-1.60E-08 b (11.98 MeV), +/-4.96E-08 b (15.75 MeV) 3311700100043 Decay constant of Co 3311700100044 +/-1.97E-04 b (11.98 MeV), +/-6.13E-04 b (15.75 MeV) 3311700100045 Correction factor for gamma-ray attenuation, Co 3311700100046 +/-9.25E-05 b (11.98 MeV), +/-1.93E-04 b (15.75 Mev) 3311700100047 Average mass of In sample 3311700100048 +/-2.05E-06 b (11.98 MeV), +/-6.36E-06 b (15.75 MeV) 3311700100049 Decay constant of In sample 3311700100050 +/-1.31E-05 b (11.98 MeV), +/-1.05E-04 b (15.75 MeV) 3311700100051 Correction factor for gamma-ray attenuation, In 3311700100052 +/-3.86E-04 b (11.98 MeV), +/-4.97E-04 b (15.75 MeV) 3311700100053 and also: 3311700100054 (ERR-1,,,U) Gamma-ray counts, Co 3311700100055 (ERR-2,,,U) Weight of the sample, Co 3311700100056 (ERR-3,,,F) Gamma-ray abundance, Co 3311700100057 (ERR-4,,,F) Efficiency of detector, Co 3311700100058 (ERR-5,,,U) Correction factor for area, Co 3311700100059 (MONIT-ERR,,,P) Monitor cross section, In 3311700100060 (ERR-6,,,U) Gamma-ray counts, In 3311700100061 (ERR-7,,,U) Weight of the sample, In 3311700100062 (ERR-8,,,F) Isotopic abundance, In 3311700100063 (ERR-9,,,F) Gamma-ray abundance, In 3311700100064 (ERR-10,,,F) Efficiency of detector, In 3311700100065 (ERR-11,,,U) Correction factor area, In 3311700100066 HISTORY (20200123C) VT 3311700100067 (20201129A) On. Major revision in 002. 3311700100068 (20211202A) VS. MONIT(-ERR) corrected in 002. 3311700100069 ENDBIB 67 0 3311700100070 NOCOMMON 0 0 3311700100071 ENDSUBENT 70 0 3311700199999 SUBENT 33117002 20211202 32043311700200001 BIB 4 5 3311700200002 REACTION (27-CO-59(N,2N)27-CO-58,,SIG) 3311700200003 DECAY-DATA (27-CO-58-G,70.86D,DG,810.76,0.9945) 3311700200004 STATUS (TABLE) Table 6 of Radiochim. Acta 106 (2018) 877 3311700200005 HISTORY (20201129A) On. DECAY-DATA corrected. 3311700200006 (20211202A) VS. MONIT(-ERR) corrected. 3311700200007 ENDBIB 5 0 3311700200008 NOCOMMON 0 0 3311700200009 DATA 17 2 3311700200010 EN EN-ERR DATA ERR-T ERR-1 ERR-2 3311700200011 ERR-3 ERR-4 ERR-5 MONIT MONIT-ERR ERR-6 3311700200012 ERR-7 ERR-8 ERR-9 ERR-10 ERR-11 3311700200013 MEV MEV B B B B 3311700200014 B B B B B B 3311700200015 B B B B B 3311700200016 11.98 0.29 0.2358 0.0368 2.73E-02 4.69E-033311700200017 2.37E-05 4.67E-03 4.54E-03 0.1530 0.0122 4.15E-033311700200018 4.64E-03 1.23E-04 5.14E-04 5.84E-03 3.21E-03 3311700200019 15.75 0.31 0.7301 0.0687 4.64E-02 1.46E-023311700200020 7.34E-05 1.45E-02 1.41E-02 0.0565 0.002 1.23E-023311700200021 1.47E-02 3.81E-04 1.59E-03 1.81E-02 9.93E-03 3311700200022 ENDDATA 12 0 3311700200023 ENDSUBENT 22 0 3311700299999 ENDENTRY 2 0 3311799999999