ENTRY 14798 20221031 1479800000001 SUBENT 14798001 20221031 20231011 1479800100001 BIB 6 7 1479800100002 TITLE Spontaneous Fission Neutron Spectrum of Cf252 1479800100003 AUTHOR (A.B.Smith,P.R.Fields,J.H.Roberts) 1479800100004 REFERENCE (J,PR,108,411,1957) 1479800100005 #doi:10.1103/PhysRev.108.411 1479800100006 INSTITUTE (1USAANL,1USANWU) 1479800100007 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. 1479800100008 HISTORY (20221031C) BP 1479800100009 ENDBIB 7 0 1479800100010 NOCOMMON 0 0 1479800100011 ENDSUBENT 10 0 1479800199999 SUBENT 14798002 20221031 20231011 1479800200001 BIB 5 11 1479800200002 REACTION (98-CF-252(0,F),PR,NU/DE,,REL) 1479800200003 METHOD (TOF) After leaving the fission source the neutrons 1479800200004 traverse a flight path of 80 cm before striking the 1479800200005 neutron detector. 1479800200006 DETECTOR (SCIN) This detector consisted of a 1 15/16 in. x 1 1479800200007 1/2 in. piece of 8 plastic scintillator mounted on a 1479800200008 RCA 6342 photomultiplier tube. 1479800200009 CORRECTION Corrected for the neutron detection efficiency of the 1479800200010 plastic scintillator. 1479800200011 STATUS (CURVE,,A.B.Smith+,J,PR,108,411,1957) 1479800200012 Fig. 2, page 412 of J,PR,108,411,1957. 1479800200013 ENDBIB 11 0 1479800200014 NOCOMMON 0 0 1479800200015 DATA 3 18 1479800200016 E DATA DATA-ERR 1479800200017 MEV ARB-UNITS ARB-UNITS 1479800200018 0.283 6.390E+01 8.122E+00 1479800200019 0.380 6.687E+01 4.395E+00 1479800200020 0.477 7.240E+01 4.759E+00 1479800200021 0.572 8.064E+01 4.443E+00 1479800200022 0.672 7.535E+01 4.149E+00 1479800200023 0.866 7.886E+01 5.187E+00 1479800200024 1.135 8.024E+01 4.420E+00 1479800200025 1.322 6.771E+01 4.451E+00 1479800200026 1.420 6.509E+01 4.278E+00 1479800200027 1.568 6.186E+01 4.066E+00 1479800200028 1.715 6.049E+01 3.973E+00 1479800200029 1.950 5.251E+01 2.610E+00 1479800200030 2.073 5.077E+01 2.249E+00 1479800200031 2.234 4.508E+01 1.997E+00 1479800200032 2.469 3.914E+01 1.945E+00 1479800200033 2.717 3.322E+01 2.534E+00 1479800200034 3.059 3.342E+01 2.197E+00 1479800200035 3.442 2.665E+01 2.033E+00 1479800200036 ENDDATA 20 0 1479800200037 ENDSUBENT 36 0 1479800299999 SUBENT 14798003 20221031 20231011 1479800300001 BIB 4 8 1479800300002 REACTION (98-CF-252(0,F),PR,NU/DE,,REL) 1479800300003 METHOD (REC) For the proton recoil method, emulsions were 1479800300004 exposed to the Cf252 source in such a manner that the 1479800300005 neutrons entered the emulsions at an angle of 5-10 1479800300006 degree with the emulsion surface. 1479800300007 DETECTOR (PLATE) Ilford C-2, 400-micron emulsions. 1479800300008 STATUS (CURVE,,A.B.Smith+,J,PR,108,411,1957) 1479800300009 Fig. 2, page 412 of J,PR,108,411,1957. 1479800300010 ENDBIB 8 0 1479800300011 NOCOMMON 0 0 1479800300012 DATA 3 15 1479800300013 E DATA DATA-ERR 1479800300014 MEV ARB-UNITS ARB-UNITS 1479800300015 1.422 5.945E+01 9.577E+00 1479800300016 1.626 7.501E+01 9.909E+00 1479800300017 1.863 5.652E+01 5.773E+00 1479800300018 2.011 5.252E+01 5.362E+00 1479800300019 2.208 4.992E+01 5.350E+00 1479800300020 2.419 4.213E+01 4.299E+00 1479800300021 2.603 4.096E+01 4.386E+00 1479800300022 2.911 3.597E+01 4.397E+00 1479800300023 3.293 3.177E+01 3.564E+00 1479800300024 3.664 2.477E+01 2.402E+00 1479800300025 4.193 2.044E+01 2.499E+00 1479800300026 4.761 1.541E+01 1.806E+00 1479800300027 5.345 9.156E+00 1.299E+00 1479800300028 5.972 7.818E+00 1.185E+00 1479800300029 6.555 4.916E+00 8.618E-01 1479800300030 ENDDATA 17 0 1479800300031 ENDSUBENT 30 0 1479800399999 ENDENTRY 3 0 1479899999999