ENTRY 31821 20200506 31963182100000001 SUBENT 31821001 20200506 31963182100100001 BIB 17 81 3182100100002 TITLE The response of single crystal diamond detectors to 3182100100003 17-34 MeV neutrons 3182100100004 AUTHOR (M.Majerle, M.Angelone, A.Krasa, J.Novak, M.Pillon, 3182100100005 R.Pilotti, A.Plompen, E.Simeckova, M.Stefanik) 3182100100006 INSTITUTE (3CZRUJF,2ZZZGEL,2ITYEFR,2BLGMOL) 3182100100007 REFERENCE (J,NIM/A,951,163014,2020) 3182100100008 FACILITY (CYCLO,3CZRUJF) U-120M cyclotron 3182100100009 EXP-YEAR (2011) En=20.5, 28.8 and 34.2 MeV 3182100100010 (2013) En=17.3, 20.4, 24.5 26.1, 30.7, 33.3 MeV 3182100100011 INC-SOURCE (P-LI7) 19-36 MeV proton (energy uncertainty and 3182100100012 spread are typically 0.3 and around 0.2 MeV 3182100100013 respectively) on natural Li foil followed by a 10 mm 3182100100014 thick carbon slab. 3182100100015 The Li foils used in the 2011 and 2013 experiments 3182100100016 were bought in the same shipment in 2003. The foil 3182100100017 thickness was determined to 0.55+/-0.05 mm for the 3182100100018 2011 experiment by direct measurement, weighting, 3182100100019 7Be activity measurement and foil activation, and the 3182100100020 same thickness and uncertainty were assumed to the 3182100100021 foil used in the 2013 experiment. 3182100100022 INC-SPECT Only neutrons in a broad peak due to (p,n0)+(p,n1) 3182100100023 are relevant to the 12C(n,a0), (n,p0) and (n,d0) 3182100100024 reactions. 3182100100025 SAMPLE Diamond detector acted as sample 3182100100026 DETECTOR Diamond detector with sensitive volume of 3182100100027 4.09x4.09x0.5 mm3. 3182100100028 The fraction of escaped charged particles was 3182100100029 estimated by FLUKA assuming isotropic angular 3182100100030 distribution in the centre-of-mass system. 3182100100031 The Li target-detector distance was 18.7 and 30 cm for 3182100100032 2011 and 2013 campaign, respectively. 3182100100033 ANALYSIS The number of neutrons was determined by 3182100100034 - proton charge deposited on Li and slab 3182100100035 - 7Li(p,n)7Be cross section 3182100100036 - index of forwardness of peak neutrons 3182100100037 with overall uncertainty of 13% of which 3182100100038 - 10% from the number of 7Li nuclei, 3182100100039 - 6% from the 7Li(p,n)7Be cross section, 3182100100040 - 6% from the peak neutron index. 3182100100041 REL-REF (R,,M.Majerle+,R,INDC(NDS)-0789,2019) 3182100100042 7Li(p,n)7Be cross section 3182100100043 (R,E1826001,Y.Uwamino+,J,NIM/A,389,463,1997) 3182100100044 FLAG (1.) Ep=22.4 MeV, 2011 experiment 3182100100045 (2.) Ep=30.7 MeV, 2011 experiment 3182100100046 (3.) Ep=36.1 MeV, 2011 experiment 3182100100047 (4.) Ep=22.3 MeV, 2013 experiment 3182100100048 (5.) Ep=26.4 MeV, 2013 experiment, run 4 3182100100049 (6.) Ep=26.4 MeV, 2013 experiment, run 5 3182100100050 (7.) Ep=35.2 MeV, 2013 experiment 3182100100051 (8.) Ep=32.5 MeV, 2013 experiment 3182100100052 (9.) Ep=28.0 MeV, 2013 experiment, run 9 3182100100053 (10.) Ep=28.0 MeV, 2013 experiment, run 12 3182100100054 (11.) Ep=19.3 MeV, 2013 experiment 3182100100055 ERR-ANALYS (ERR-T) Quadrature sum of 3182100100056 (ERR-1) . peak area fitting 3182100100057 (ERR-2) . collected proton charge 3182100100058 (ERR-3) . number of 7Li nuclei in Li foil (9%) 3182100100059 (ERR-4) . 7Li(p,n)7Be cross section (6%) 3182100100060 (ERR-5) . Forwardness of peak neutrons (6%) 3182100100061 COVARIANCE Description of energy-energy correlation given by 3182100100062 Mitja Majerle (2020-05-08): 3182100100063 1. Peak area fitting: 3182100100064 Correlation due to background subtraction exists, 3182100100065 and even significant (~0.5) with (n,p) peaks. 3182100100066 2. Collected proton charge: 3182100100067 Fully correlated within 2011 data; uncorrelated for 3182100100068 uncertainty higher than 5% for 2013 data; fully 3182100100069 correlated with 2011 data for uncertainty equal to or 3182100100070 lower than 5% for 2013. 3182100100071 3. Number of 7Li nuclei in Li foil: 3182100100072 Fully correlated within 2011 data; fully correlated 3182100100073 within 2013 data; correlated between 2011 and 2013 3182100100074 data (>0.5 is suggested) 3182100100075 4. 7Li(p,n)7Be cross section: 3182100100076 Fully correlated. 3182100100077 5. Forwardness of peak neutrons: 3182100100078 Fully correlated. 3182100100079 STATUS (TABLE) Data received from Mitja Majerle 3182100100080 (APRVD) Proof-read by Mitja Majerle (2020-05-10) 3182100100081 HISTORY (20200506C) On 3182100100082 (20200507R) On. Data received from Mitja Majerle 3182100100083 ENDBIB 81 0 3182100100084 COMMON 4 3 3182100100085 E-LVL ERR-3 ERR-4 ERR-5 3182100100086 MEV PER-CENT PER-CENT PER-CENT 3182100100087 0. 9. 6. 6. 3182100100088 ENDCOMMON 3 0 3182100100089 ENDSUBENT 88 0 3182100199999 SUBENT 31821002 20200506 31963182100200001 BIB 1 1 3182100200002 REACTION (6-C-12(N,A)4-BE-9,PAR,SIG) 3182100200003 ENDBIB 1 0 3182100200004 NOCOMMON 0 0 3182100200005 DATA 6 11 3182100200006 EN DATA ERR-T ERR-1 ERR-2 FLAG 3182100200007 MEV MB PER-CENT PER-CENT PER-CENT NO-DIM 3182100200008 17.3 51.3 13. 0. 5. 11. 3182100200009 20.4 33.9 13. 1. 3. 4. 3182100200010 20.5 31.1 13. 3. 1. 1. 3182100200011 24.5 17.8 16. 1. 10. 5. 3182100200012 24.5 18.1 16. 1. 10. 6. 3182100200013 26.1 12.6 20. 2. 15. 9. 3182100200014 26.1 11.7 16. 2. 10. 10. 3182100200015 28.8 9.4 13. 2. 1. 2. 3182100200016 30.7 7.9 14. 2. 5. 8. 3182100200017 33.3 5.4 14. 3. 5. 7. 3182100200018 34.2 4.4 13. 2. 1. 3. 3182100200019 ENDDATA 13 0 3182100200020 ENDSUBENT 19 0 3182100299999 SUBENT 31821003 20200506 31963182100300001 BIB 1 1 3182100300002 REACTION (6-C-12(N,D)5-B-11,PAR,SIG) 3182100300003 ENDBIB 1 0 3182100300004 NOCOMMON 0 0 3182100300005 DATA 6 10 3182100300006 EN DATA ERR-T ERR-1 ERR-2 FLAG 3182100300007 MEV MB PER-CENT PER-CENT PER-CENT NO-DIM 3182100300008 17.3 51.1 33. 30. 5. 11. 3182100300009 20.4 54.0 16. 10. 3. 4. 3182100300010 20.5 36.2 20. 15. 1. 1. 3182100300011 24.5 39.2 19. 10. 10. 5. 3182100300012 24.5 39.6 19. 10. 10. 6. 3182100300013 26.1 32.0 22. 10. 15. 9. 3182100300014 26.1 30.6 19. 10. 10. 10. 3182100300015 28.8 21.4 20. 15. 1. 2. 3182100300016 30.7 19.2 17. 10. 5. 8. 3182100300017 34.2 13.4 20. 15. 1. 3. 3182100300018 ENDDATA 12 0 3182100300019 ENDSUBENT 18 0 3182100399999 SUBENT 31821004 20200506 31963182100400001 BIB 1 1 3182100400002 REACTION (6-C-12(N,P)5-B-12,PAR,SIG) 3182100400003 ENDBIB 1 0 3182100400004 NOCOMMON 0 0 3182100400005 DATA 6 9 3182100400006 EN DATA ERR-T ERR-1 ERR-2 FLAG 3182100400007 MEV MB PER-CENT PER-CENT PER-CENT NO-DIM 3182100400008 17.3 28.2 52. 50. 5. 11. 3182100400009 20.4 8.3 33. 30. 3. 4. 3182100400010 20.5 9.0 24. 20. 1. 1. 3182100400011 24.5 3.4 43. 40. 10. 5. 3182100400012 24.5 3.3 26. 20. 10. 6. 3182100400013 26.1 3.7 28. 20. 15. 9. 3182100400014 26.1 3.2 30. 25. 10. 10. 3182100400015 28.8 2.6 24. 20. 1. 2. 3182100400016 30.7 1.4 52. 50. 5. 8. 3182100400017 ENDDATA 11 0 3182100400018 ENDSUBENT 17 0 3182100499999 ENDENTRY 4 0 3182199999999