ENTRY 12593 20210420 14831259300000001 SUBENT 12593001 20210420 14831259300100001 BIB 9 29 1259300100002 TITLE Interference Phenomena of Slow Neutrons 1259300100003 AUTHOR (E.Fermi,L.Marshall) 1259300100004 REFERENCE (J,PR,71,666,1947) 1259300100005 #doi:10.1103/PhysRev.71.666 1259300100006 INSTITUTE (1USAANL) 1259300100007 FACILITY (REAC,1USAANL) Thermal reactor column. 1259300100008 METHOD (DIFFR) Collimated beam of thermal neutrons emerging 1259300100009 from the thermal column is made monochromatic by 1259300100010 Bragg reflection on a Huorite crystal. It is further 1259300100011 collimated by passing through two very narrow cadmium 1259300100012 slits, 2 mm wide and about 3.5 meters apart. The 1259300100013 narrow monochromatic beam emerging from the second 1259300100014 slit falls on the mirror which can be rotated by 1259300100015 small angles. The reflected beam is detected by a BF3 1259300100016 proportional counter about 3.5 meters away and with a 1259300100017 cadmium entrance slit 2 mm wide. By moving the 1259300100018 counter across the beam, both direct and reflected 1259300100019 beam are detected. 1259300100020 DETECTOR (BF3) Boron trifluoride neutron counter. 1259300100021 COMMENT Compiler's comment: Neutron energy is expressed in 1259300100022 angstrom. Using the Paul Scherrer institute 1259300100023 calculator where is E[meV] = 81.82/((Lambda/A)**2) one 1259300100024 can deduce if lambda=1.5 A then En=36.364 meV. 1259300100025 HISTORY (19780224C) 1259300100026 (20210420A) BP: Updated to new date formats,lower 1259300100027 case. corrections according last EXFOR rules and 1259300100028 Dict. Changed reaction coding from (N,EL) to (N,THS). 1259300100029 Explained energy conversion from angstrom to meV. Added1259300100030 doi, CF4 and H2 data. Subentries 22-24 were added. 1259300100031 ENDBIB 29 0 1259300100032 COMMON 1 3 1259300100033 TEMP 1259300100034 K 1259300100035 293.15 1259300100036 ENDCOMMON 3 0 1259300100037 ENDSUBENT 36 0 1259300199999 SUBENT 12593002 20210420 14831259300200001 BIB 4 4 1259300200002 REACTION (56-BA-0(N,THS)56-BA-0,,SIG) 1259300200003 SAMPLE BaSO4 crystal. 1259300200004 CORRECTION Corrected for bound state of sample. 1259300200005 STATUS (TABLE) Table VII, page 676. 1259300200006 ENDBIB 4 0 1259300200007 NOCOMMON 0 0 1259300200008 DATA 2 1 1259300200009 WVE-LN DATA 1259300200010 ANGSTROM B 1259300200011 1.50 8. 1259300200012 ENDDATA 3 0 1259300200013 ENDSUBENT 12 0 1259300299999 SUBENT 12593003 20210420 14831259300300001 BIB 4 4 1259300300002 REACTION (4-BE-9(N,THS)4-BE-9,,SIG) 1259300300003 SAMPLE BeO 1259300300004 CORRECTION Corrected for bound state of sample. 1259300300005 STATUS (TABLE) Table VII, page 676. 1259300300006 ENDBIB 4 0 1259300300007 NOCOMMON 0 0 1259300300008 DATA 2 1 1259300300009 WVE-LN DATA 1259300300010 ANGSTROM B 1259300300011 1.50 6.1 1259300300012 ENDDATA 3 0 1259300300013 ENDSUBENT 12 0 1259300399999 SUBENT 12593004 20210420 14831259300400001 BIB 4 4 1259300400002 REACTION (35-BR-0(N,THS)35-BR-0,,SIG) 1259300400003 SAMPLE KBr crystal. 1259300400004 CORRECTION Corrected for bound state of sample. 1259300400005 STATUS (TABLE) Table VII, page 676. 1259300400006 ENDBIB 4 0 1259300400007 NOCOMMON 0 0 1259300400008 DATA 2 1 1259300400009 WVE-LN DATA-MAX 1259300400010 ANGSTROM B 1259300400011 1.50 7. 1259300400012 ENDDATA 3 0 1259300400013 ENDSUBENT 12 0 1259300499999 SUBENT 12593005 20210420 14831259300500001 BIB 4 4 1259300500002 REACTION (6-C-0(N,THS)6-C-0,,SIG) 1259300500003 SAMPLE CaCO3 crystal. 1259300500004 CORRECTION Corrected for bound state of sample. 1259300500005 STATUS (TABLE) Table VII, page 676. 1259300500006 ENDBIB 4 0 1259300500007 NOCOMMON 0 0 1259300500008 DATA 2 1 1259300500009 WVE-LN DATA 1259300500010 ANGSTROM B 1259300500011 1.50 4.8 1259300500012 ENDDATA 3 0 1259300500013 ENDSUBENT 12 0 1259300599999 SUBENT 12593006 20210420 14831259300600001 BIB 4 4 1259300600002 REACTION (20-CA-0(N,THS)20-CA-0,,SIG) 1259300600003 SAMPLE CaF2,CaCO3 crystals. 1259300600004 CORRECTION Corrected for bound state of sample. 1259300600005 STATUS (TABLE) Table VII, page 676. 1259300600006 ENDBIB 4 0 1259300600007 NOCOMMON 0 0 1259300600008 DATA 2 1 1259300600009 WVE-LN DATA 1259300600010 ANGSTROM B 1259300600011 1.50 9.5 1259300600012 ENDDATA 3 0 1259300600013 ENDSUBENT 12 0 1259300699999 SUBENT 12593007 20210420 14831259300700001 BIB 4 4 1259300700002 REACTION (17-CL-0(N,THS)17-CL-0,,SIG) 1259300700003 SAMPLE KCl,NaCl crystals. 1259300700004 CORRECTION Corrected for bound state of sample. 1259300700005 STATUS (TABLE) Table VII, page 676. 1259300700006 ENDBIB 4 0 1259300700007 NOCOMMON 0 0 1259300700008 DATA 2 1 1259300700009 WVE-LN DATA 1259300700010 ANGSTROM B 1259300700011 1.50 15. 1259300700012 ENDDATA 3 0 1259300700013 ENDSUBENT 12 0 1259300799999 SUBENT 12593008 20210420 14831259300800001 BIB 2 2 1259300800002 REACTION (29-CU-0(N,THS)29-CU-0,,SIG) 1259300800003 STATUS (TABLE) Table VII, page 676. 1259300800004 ENDBIB 2 0 1259300800005 NOCOMMON 0 0 1259300800006 DATA 2 1 1259300800007 WVE-LN DATA 1259300800008 ANGSTROM B 1259300800009 1.50 7.2 1259300800010 ENDDATA 3 0 1259300800011 ENDSUBENT 10 0 1259300899999 SUBENT 12593009 20210420 14831259300900001 BIB 4 4 1259300900002 REACTION (9-F-19(N,THS)9-F-19,,SIG) 1259300900003 SAMPLE CaF2 crystal. 1259300900004 CORRECTION Corrected for bound state of sample. 1259300900005 STATUS (TABLE) Table VII, page 676. 1259300900006 ENDBIB 4 0 1259300900007 NOCOMMON 0 0 1259300900008 DATA 2 1 1259300900009 WVE-LN DATA 1259300900010 ANGSTROM B 1259300900011 1.50 4.1 1259300900012 ENDDATA 3 0 1259300900013 ENDSUBENT 12 0 1259300999999 SUBENT 12593010 20210420 14831259301000001 BIB 4 4 1259301000002 REACTION (26-FE-0(N,THS)26-FE-0,,SIG) 1259301000003 SAMPLE FeSO4,FeS2 crystals. 1259301000004 CORRECTION Corrected for bound state of sample. 1259301000005 STATUS (TABLE) Table VII, page 676. 1259301000006 ENDBIB 4 0 1259301000007 NOCOMMON 0 0 1259301000008 DATA 2 1 1259301000009 WVE-LN DATA 1259301000010 ANGSTROM B 1259301000011 1.50 4.1 1259301000012 ENDDATA 3 0 1259301000013 ENDSUBENT 12 0 1259301099999 SUBENT 12593011 20210420 14831259301100001 BIB 4 4 1259301100002 REACTION (53-I-127(N,THS)53-I-127,,SIG) 1259301100003 SAMPLE KI crystal. 1259301100004 CORRECTION Corrected for bound state of sample. 1259301100005 STATUS (TABLE) Table VII, page 676. 1259301100006 ENDBIB 4 0 1259301100007 NOCOMMON 0 0 1259301100008 DATA 2 1 1259301100009 WVE-LN DATA 1259301100010 ANGSTROM B 1259301100011 1.50 1.6 1259301100012 ENDDATA 3 0 1259301100013 ENDSUBENT 12 0 1259301199999 SUBENT 12593012 20210420 14831259301200001 BIB 4 4 1259301200002 REACTION (19-K-0(N,THS)19-K-0,,SIG) 1259301200003 SAMPLE KI,KCl,KBr crystals. 1259301200004 CORRECTION Corrected for bound state of sample. 1259301200005 STATUS (TABLE) Table VII, page 676. 1259301200006 ENDBIB 4 0 1259301200007 NOCOMMON 0 0 1259301200008 DATA 2 1 1259301200009 WVE-LN DATA 1259301200010 ANGSTROM B 1259301200011 1.50 1.5 1259301200012 ENDDATA 3 0 1259301200013 ENDSUBENT 12 0 1259301299999 SUBENT 12593013 20210420 14831259301300001 BIB 4 4 1259301300002 REACTION (12-MG-0(N,THS)12-MG-0,,SIG) 1259301300003 SAMPLE MgO crystal. 1259301300004 CORRECTION Corrected for bound state of sample. 1259301300005 STATUS (TABLE) Table VII, page 676. 1259301300006 ENDBIB 4 0 1259301300007 NOCOMMON 0 0 1259301300008 DATA 2 1 1259301300009 WVE-LN DATA 1259301300010 ANGSTROM B 1259301300011 1.50 4. 1259301300012 ENDDATA 3 0 1259301300013 ENDSUBENT 12 0 1259301399999 SUBENT 12593014 20210420 14831259301400001 BIB 4 4 1259301400002 REACTION (25-MN-55(N,THS)25-MN-55,,SIG) 1259301400003 SAMPLE MnS2 crystal. 1259301400004 CORRECTION Corrected for bound state of sample. 1259301400005 STATUS (TABLE) Table VII, page 676. 1259301400006 ENDBIB 4 0 1259301400007 NOCOMMON 0 0 1259301400008 DATA 2 1 1259301400009 WVE-LN DATA 1259301400010 ANGSTROM B 1259301400011 1.50 2.4 1259301400012 ENDDATA 3 0 1259301400013 ENDSUBENT 12 0 1259301499999 SUBENT 12593015 20210420 14831259301500001 BIB 4 4 1259301500002 REACTION (7-N-0(N,THS)7-N-0,,SIG) 1259301500003 SAMPLE NaNO3 crystal. 1259301500004 CORRECTION Corrected for bound state of sample. 1259301500005 STATUS (TABLE) Table VII, page 676. 1259301500006 ENDBIB 4 0 1259301500007 NOCOMMON 0 0 1259301500008 DATA 2 1 1259301500009 WVE-LN DATA 1259301500010 ANGSTROM B 1259301500011 1.50 8.3 1259301500012 ENDDATA 3 0 1259301500013 ENDSUBENT 12 0 1259301599999 SUBENT 12593016 20210420 14831259301600001 BIB 4 4 1259301600002 REACTION (11-NA-23(N,THS)11-NA-23,,SIG) 1259301600003 SAMPLE NaNO3,NaCl crystals. 1259301600004 CORRECTION Corrected for bound state of sample. 1259301600005 STATUS (TABLE) Table VII, page 676. 1259301600006 ENDBIB 4 0 1259301600007 NOCOMMON 0 0 1259301600008 DATA 2 1 1259301600009 WVE-LN DATA 1259301600010 ANGSTROM B 1259301600011 1.50 3.5 1259301600012 ENDDATA 3 0 1259301600013 ENDSUBENT 12 0 1259301699999 SUBENT 12593017 20210420 14831259301700001 BIB 2 2 1259301700002 REACTION (28-NI-0(N,THS)28-NI-0,,SIG) 1259301700003 STATUS (TABLE) Table VII, page 676. 1259301700004 ENDBIB 2 0 1259301700005 NOCOMMON 0 0 1259301700006 DATA 2 1 1259301700007 WVE-LN DATA 1259301700008 ANGSTROM B 1259301700009 1.50 13. 1259301700010 ENDDATA 3 0 1259301700011 ENDSUBENT 10 0 1259301799999 SUBENT 12593018 20210420 14831259301800001 BIB 4 4 1259301800002 REACTION (8-O-0(N,THS)8-O-0,,SIG) 1259301800003 SAMPLE FeSO4,CaCO3,BaSO4,MgO,NaNO3 crystals. 1259301800004 CORRECTION Corrected for bound state of sample. 1259301800005 STATUS (TABLE) Table VII, page 676. 1259301800006 ENDBIB 4 0 1259301800007 NOCOMMON 0 0 1259301800008 DATA 2 1 1259301800009 WVE-LN DATA 1259301800010 ANGSTROM B 1259301800011 1.50 4.1 1259301800012 ENDDATA 3 0 1259301800013 ENDSUBENT 12 0 1259301899999 SUBENT 12593019 20210420 14831259301900001 BIB 4 4 1259301900002 REACTION (82-PB-0(N,THS)82-PB-0,,SIG) 1259301900003 SAMPLE PbS crystal. 1259301900004 CORRECTION Corrected for bound state of sample. 1259301900005 STATUS (TABLE) Table VII, page 676. 1259301900006 ENDBIB 4 0 1259301900007 NOCOMMON 0 0 1259301900008 DATA 2 1 1259301900009 EN DATA 1259301900010 MILLI-EV B 1259301900011 36.364 10. 1259301900012 ENDDATA 3 0 1259301900013 ENDSUBENT 12 0 1259301999999 SUBENT 12593020 20210420 14831259302000001 BIB 4 4 1259302000002 REACTION (16-S-0(N,THS)16-S-0,,SIG) 1259302000003 SAMPLE BaSO4,PbS,FeS2,MnS2 crystals. 1259302000004 CORRECTION Corrected for bound state of sample. 1259302000005 STATUS (TABLE) Table VII, page 676. 1259302000006 ENDBIB 4 0 1259302000007 NOCOMMON 0 0 1259302000008 DATA 2 1 1259302000009 WVE-LN DATA 1259302000010 ANGSTROM B 1259302000011 1.50 1.1 1259302000012 ENDDATA 3 0 1259302000013 ENDSUBENT 12 0 1259302099999 SUBENT 12593021 20210420 14831259302100001 BIB 2 2 1259302100002 REACTION (30-ZN-0(N,THS)30-ZN-0,,SIG) 1259302100003 STATUS (TABLE) Table VII, page 676. 1259302100004 ENDBIB 2 0 1259302100005 NOCOMMON 0 0 1259302100006 DATA 2 1 1259302100007 WVE-LN DATA 1259302100008 ANGSTROM B 1259302100009 1.50 3.6 1259302100010 ENDDATA 3 0 1259302100011 ENDSUBENT 10 0 1259302199999 SUBENT 12593022 20210420 14831259302200001 BIB 4 4 1259302200002 REACTION (6-C-CMP(N,THS)6-C-CMP,,SIG) 1259302200003 SAMPLE CF4, room temperature. 1259302200004 STATUS (TABLE) Table III, page 674. 1259302200005 HISTORY (20210420C) BP 1259302200006 ENDBIB 4 0 1259302200007 NOCOMMON 0 0 1259302200008 DATA 2 5 1259302200009 WVE-LN DATA 1259302200010 ANGSTROM B 1259302200011 0.881 19.5 1259302200012 1.099 19.0 1259302200013 1.316 21.5 1259302200014 1.492 20.8 1259302200015 5.1 41.5 1259302200016 ENDDATA 7 0 1259302200017 ENDSUBENT 16 0 1259302299999 SUBENT 12593023 20210420 14831259302300001 BIB 4 4 1259302300002 REACTION (1-H-0(N,THS)1-H-0,,SIG) 1259302300003 SAMPLE H2, room temperature. 1259302300004 STATUS (TABLE) Table IV, page 674. 1259302300005 HISTORY (20210420C) BP 1259302300006 ENDBIB 4 0 1259302300007 NOCOMMON 0 0 1259302300008 DATA 2 7 1259302300009 WVE-LN DATA 1259302300010 ANGSTROM B 1259302300011 0.76 50.9 1259302300012 0.93 53.2 1259302300013 1.11 56.2 1259302300014 1.46 61.2 1259302300015 1.68 64.4 1259302300016 2.24 68.0 1259302300017 5.1 169.7 1259302300018 ENDDATA 9 0 1259302300019 ENDSUBENT 18 0 1259302399999 SUBENT 12593024 20210420 14831259302400001 BIB 5 6 1259302400002 REACTION (1-H-0(N,THS)1-H-0,,SIG) 1259302400003 SAMPLE H2 at 83 K (ortho-para ratio unchanged from room 1259302400004 temperature). 1259302400005 CORRECTION Corrected for absorption and Doppler effect. 1259302400006 STATUS (TABLE) Table V, page 674. 1259302400007 HISTORY (20210420C) BP 1259302400008 ENDBIB 6 0 1259302400009 NOCOMMON 0 0 1259302400010 DATA 2 5 1259302400011 WVE-LN DATA 1259302400012 ANGSTROM B 1259302400013 0.836 43.0 1259302400014 1.202 51.0 1259302400015 1.638 55.0 1259302400016 1.884 56.0 1259302400017 5.1 81.0 1259302400018 ENDDATA 7 0 1259302400019 ENDSUBENT 18 0 1259302499999 ENDENTRY 24 0 1259399999999