ENTRY 22602 20230301 231622602 0 1 SUBENT 22602001 20230301 231622602 1 1 BIB 13 44 22602 1 2 TITLE Spin and parity assignments of Nb-93 neutron 22602 1 3 resonances 22602 1 4 AUTHOR (J.Winter,A.Cornelis,W.L.Mewissen,F.Poortmans,G.Rohr, 22602 1 5 R.Shelley,T.van der Veen,G.Vanpraet) 22602 1 6 INSTITUTE (2ZZZGEL) 22602 1 7 REFERENCE (C,78HARWELL,,696,1978) - exp.details 22602 1 8 (C,76LOWELL,,1248,1976) data not given 22602 1 9 FACILITY (LINAC,2ZZZGEL) 22602 1 10 SAMPLE The transmission experiments were performed on 22602 1 11 samples cooled at liquid nitrogen temperature. 22602 1 12 The scattering cross section was measured using lead 22602 1 13 as a standard scattering sample. 22602 1 14 INC-SPECT A pulsed beam of neutrons was produced in a mercury 22602 1 15 cooled uranium target and moderated in a 4 cm thick 22602 1 16 polyethylene slab. 22602 1 17 CORRECTION The scattering data were corrected for multiple 22602 1 18 interaction effects using a Monte Carlo computer code. 22602 1 19 DETECTOR (GELI) 50.cm3 - used in capture gamma-ray spectra exp.;22602 1 20 (HE3SP) 3He gas scint. - used in transmission and 22602 1 21 scattering exp.; 22602 1 22 (SCIN) two C6F6 - used in capture exp. 22602 1 23 METHOD (TOF,TRN) Parameters of exp.: 22602 1 24 Param. Transmiss. Capture Scattering Capture 22602 1 25 gamma-ray 22602 1 26 Energy 0.030 - 7.2 0.030 - 7.2 0.030 - 3. 0.023 - 2.822602 1 27 (keV) 22602 1 28 Samples 0.004232 0.005463 0.004253 0.002235 22602 1 29 (at/b) 0.02533 0.02235 0.01268 22602 1 30 0.01268 22602 1 31 Flight path 60.m 60.m 30.m 15.m 22602 1 32 Burst width 20nsec 20nsec 20nsec 20nsec 22602 1 33 Channel width 10nsec 10nsec 10nsec 40nsec 22602 1 34 ANALYSIS The transmission data were analysed using a modified 22602 1 35 version of the Atta-Harvey area analysis program. 22602 1 36 Afterwards, analysis repeated the using the multi- 22602 1 37 level Breit-Higner code SIOB (see REL-REF) . 22602 1 38 REL-REF (M,,W.Kolar,R,EUR-4760,1960) - Atta-Harvey area 22602 1 39 analysis program 22602 1 40 (M,,G.de Saussure+,W,SAUSSURE,1978) - the multi- 22602 1 41 level Breit-Higner code SIOB 22602 1 42 HISTORY (19780726C) Compiled at NNDC 22602 1 43 (19991217T) Converted by S.M. 22602 1 44 (20050920U) Restored by SM 22602 1 45 (20230301A) SD: Entry updated. Subents 003- added. 22602 1 46 ENDBIB 44 0 22602 1 47 NOCOMMON 0 0 22602 1 48 ENDSUBENT 47 0 22602 199999 SUBENT 22602002 20230301 231622602 2 1 BIB 6 18 22602 2 2 REACTION 1(41-NB-93(N,0),,EN) 22602 2 3 2(41-NB-93(N,0),,J) 22602 2 4 3(41-NB-93(N,0),,PTY) 22602 2 5 METHOD Low level population method applied to low energy 22602 2 6 capture gamma-ray spectra 22602 2 7 ANALYSIS Using the two parameter capture data measured with 22602 2 8 the C6F6 detector system, a parity assignment of 22602 2 9 resonances up to 7 keV was performed by comparing the 22602 2 10 resonance areas of the time-of-flight spectrum 22602 2 11 obtained with a high (5.2 MeV) and with a low 22602 2 12 (0.3MeV) amplitude bias. 22602 2 13 FLAG (1.) Spin not definite 22602 2 14 (2.) Parity not definite 22602 2 15 (3.) Spin and parity not definite 22602 2 16 STATUS (TABLE) Data received by NNDC in private comm., 22602 2 17 Rohr, 1977/8. 22602 2 18 HISTORY (19991217T) Converted from Subent 67030002 22602 2 19 (20230301U) SD: ANALYSIS added. 22602 2 20 ENDBIB 18 0 22602 2 21 NOCOMMON 0 0 22602 2 22 DATA 4 53 22602 2 23 DATA 1DATA 2DATA 3FLAG 22602 2 24 EV NO-DIM NO-DIM NO-DIM 22602 2 25 3.591E+01 5. 1. 22602 2 26 4.226E+01 4. 1. 22602 2 27 9.4395E+01 3. 1. 22602 2 28 1.0587E+02 4. 0. 22602 2 29 1.1909E+02 5. 0. 22602 2 30 1.9412E+02 5. 0. 22602 2 31 2.4384E+02 4. 1. 22602 2 32 3.189E+02 5. 1. 22602 2 33 3.3544E+02 4. 0. 22602 2 34 3.7844E+02 5. 0. 22602 2 35 4.6027E+02 5. 0. 22602 2 36 5.0076E+02 5. 1. 22602 2 37 5.996E+02 4. 1. 1. 22602 2 38 6.0388E+02 6. 1. 22602 2 39 6.4108E+02 4. 0. 22602 2 40 6.7159E+02 6. 1. 22602 2 41 7.2092E+02 4. 1. 22602 2 42 7.4101E+02 4. 0. 22602 2 43 9.1296E+02 4. 1. 22602 2 44 9.3488E+02 5. 0. 22602 2 45 9.5331E+02 6. 1. 22602 2 46 1.0091E+03 4. 0. 22602 2 47 1.0167E+03 6. 1. 22602 2 48 1.149E+03 5. 0. 22602 2 49 1.1752E+03 4. 0. 22602 2 50 1.1945E+03 5. 0. 22602 2 51 1.2293E+03 4. 0. 22602 2 52 1.2435E+03 5. 1. 22602 2 53 1.2835E+03 6. 1. 22602 2 54 1.3502E+03 5. 1. 22602 2 55 1.3548E+03 6. 1. 1. 22602 2 56 1.3927E+03 4. 0. 22602 2 57 1.4516E+03 4. 0. 22602 2 58 1.4673E+03 4. 1. 22602 2 59 1.5403E+03 6. 1. 1. 22602 2 60 1.6159E+03 6. 1. 22602 2 61 1.6537E+03 5. 0. 22602 2 62 1.7126E+03 4. 1. 22602 2 63 1.7666E+03 5. 1. 22602 2 64 1.812E+03 4. 0. 22602 2 65 1.8324E+03 5. 1. 2. 22602 2 66 1.9908E+03 4. 0. 22602 2 67 2.0218E+03 5. 0. 22602 2 68 2.0689E+03 4. 0. 22602 2 69 2.1175E+03 3. 1. 22602 2 70 2.2297E+03 5. 0. 22602 2 71 2.4219E+03 5. 0. 22602 2 72 2.468E+03 6. 1. 22602 2 73 2.5154E+03 4. 1. 1. 22602 2 74 2.5808E+03 4. 0. 3. 22602 2 75 2.6438E+03 4. 0. 22602 2 76 2.7143E+03 4. 1. 22602 2 77 2.929E+03 4. 0. 1. 22602 2 78 ENDDATA 55 0 22602 2 79 ENDSUBENT 78 0 22602 299999 SUBENT 22602003 20230301 231622602 3 1 BIB 6 14 22602 3 2 REACTION 1(41-NB-93(N,G),,WID) 22602 3 3 2(41-NB-93(N,G),,STF) 22602 3 4 METHOD 1Width was directly obtained from the area analysis of 22602 3 5 the capture data. 22602 3 6 ANALYSIS (AREA) 22602 3 7 The absolute calibration of the capture experiment was 22602 3 8 based on the knowledge of the neutron widths of several22602 3 9 weak resonances below 400 eV obtained from 22602 3 10 transmission experiments. 22602 3 11 ERR-ANALYS (DATA-ERR) No information about source of uncertainty 22602 3 12 1The systematic error due to this normalisation is 22602 3 13 supposed to be less than 5%. 22602 3 14 STATUS (TABLE) Text on p.699 from 78HARWELL,,696,1978 22602 3 15 HISTORY (20230301C) SD 22602 3 16 ENDBIB 14 0 22602 3 17 COMMON 1 3 22602 3 18 EN-RES-MAX 22602 3 19 KEV 22602 3 20 7. 22602 3 21 ENDCOMMON 3 0 22602 3 22 DATA 5 2 22602 3 23 MOMENTUM L DATA 1DATA-ERR 1DATA 2DATA-ERR 2 22602 3 24 NO-DIM MILLI-EV MILLI-EV NO-DIM NO-DIM 22602 3 25 0. 145. 10. 0.40E-04 0.06E-04 22602 3 26 1. 168. 14. 5.1E-04 1.0E-04 22602 3 27 ENDDATA 4 0 22602 3 28 ENDSUBENT 27 0 22602 399999 ENDENTRY 3 0 2260299999999