ENTRY 30538 20090503 31373053800000001 SUBENT 30538001 20090503 31373053800100001 BIB 14 40 3053800100002 TITLE Elastic scattering of 14.8 MeV neutrons from deuterons.3053800100003 AUTHOR (K.Gul,A.Waheed,M.Ahmad,M.Saleem SHeikh,M.Anwar, 3053800100004 N.A.Khan) 3053800100005 INSTITUTE (3PAKNIL) 3053800100006 REFERENCE (C,79KNOX,,39(AB2),197910) 3053800100007 (R,PINST-NPD-14,197910) =Contributed paper to Knoxville3053800100008 SAMPLE Deuteraded benzene target = NE230 scintillator. 3053800100009 MONITOR No standard used. Neutron flux was determined by 3053800100010 associated particle method. The neutron detector was 3053800100011 experimentally determined from its response to the 3053800100012 known flux of monoenergetic neutrons (see K.Gul et al.,3053800100013 J.Phys.G.,5(1979)1107). The measured efficiencies were 3053800100014 fitted to the results obtained through RAWAL Monte 3053800100015 Carlo code.(K.Gul,Pinstech internal report(1979)). 3053800100016 FACILITY Neutron generator (transformer type) 3053800100017 at Pinstech, Nilore, Rawalpindi. 3053800100018 INC-SOURCE (D-T) 3053800100019 METHOD (TOF,ASSOP) 3053800100020 DETECTOR (SCIN) 3053800100021 .NE230 scintillator of 5.1cm dia.* 5.6cm length. It was3053800100022 placed at about 150 cm from the scatterer. 3053800100023 The bias on the neutron detector was set at about 2.0 3053800100024 MeV proton equivalent energy. 3053800100025 .Another NE230 scintillator of 2.54cm dia.* 2.54cm long3053800100026 as scatterer was placed 12cm from the neutron target. 3053800100027 (SOLST) A silicon detector for associated particle 3053800100028 method. 3053800100029 PART-DET (N) 3053800100030 ERR-ANALYS (ERR-T) An over all error of 6% consists: 3053800100031 (ERR-1) Uncertainty in the number of deuterons 1% 3053800100032 (ERR-2) Uncertainty in the neutron det.efficiency 5% 3053800100033 * Multiple scattering error less than 1% 3053800100034 * Errors on the background and statistics 3053800100035 less than 3% 3053800100036 STATUS (TABLE) Data taken from internal report 3053800100037 PINST-NPD-14,(1979). 3053800100038 HISTORY (19800424C) KO. 3053800100039 (19880418U) TMK. Reference corrected 3053800100040 (20090312A) SD:Updated to new date formats,lower case, 3053800100041 made formal corrections. 3053800100042 ENDBIB 40 0 3053800100043 COMMON 2 3 3053800100044 ERR-1 ERR-2 3053800100045 PER-CENT PER-CENT 3053800100046 1.0 5.0 3053800100047 ENDCOMMON 3 0 3053800100048 ENDSUBENT 47 0 3053800199999 SUBENT 30538002 20090503 31373053800200001 BIB 1 1 3053800200002 REACTION (1-H-2(N,EL)1-H-2,,DA) Tbl.1 3053800200003 ENDBIB 1 0 3053800200004 COMMON 3 3 3053800200005 EN ANG-RSL ANG-NRM 3053800200006 MEV ADEG ADEG 3053800200007 1.4800E+01 1.0000E+00 4.5000E+01 3053800200008 ENDCOMMON 3 0 3053800200009 DATA 3 18 3053800200010 ANG-CM DATA-CM ERR-T 3053800200011 ADEG MB/SR MB/SR 3053800200012 2.8900E+01 1.3260E+02 7.6000E+00 3053800200013 3.7200E+01 1.2450E+02 7.4000E+00 3053800200014 4.4500E+01 1.0250E+02 6.2000E+00 3053800200015 5.1700E+01 7.9900E+01 4.8000E+00 3053800200016 5.8800E+01 7.1000E+01 4.3000E+00 3053800200017 6.5700E+01 6.1900E+01 3.7000E+00 3053800200018 7.2600E+01 4.8000E+01 2.9000E+00 3053800200019 7.9200E+01 3.6700E+01 2.2000E+00 3053800200020 8.5700E+01 2.7900E+01 1.7000E+00 3053800200021 9.2000E+01 2.1700E+01 1.3000E+00 3053800200022 9.8100E+01 2.0000E+01 1.2000E+00 3053800200023 1.0390E+02 1.5600E+01 9.0000E-01 3053800200024 1.0950E+02 1.1400E+01 7.0000E-01 3053800200025 1.1490E+02 8.7000E+00 5.0000E-01 3053800200026 1.2000E+02 7.1000E+00 4.0000E-01 3053800200027 1.2490E+02 6.1000E+00 6.0000E-01 3053800200028 1.2970E+02 1.1500E+01 1.0000E+00 3053800200029 1.4200E+02 1.7800E+01 2.0000E+00 3053800200030 ENDDATA 20 0 3053800200031 ENDSUBENT 30 0 3053800299999 SUBENT 30538003 20090503 31373053800300001 BIB 5 13 3053800300002 REACTION (1-H-2(N,EL)1-H-2,,DA,,LEG,DERIV) 3053800300003 ANALYSIS After combining present measurements with values at 3053800300004 20.4 and 13.5 deg. from the work of Berick et al., and 3053800300005 at 160.8,163.4 and 172.2 deg. from the work of Shirato-3053800300006 Koori, a least square fit of 10th order Legendre 3053800300007 polynomial was obtained. 3053800300008 REL-REF (R,11126004,A.C.BERICK+,J,PR,174,1105,196810) 3053800300009 (R,20344001,S.SHIRATO+,C,72LOSANG,,472,197208) 3053800300010 (R,30538002,K.GUL+,C,79KNOX,,(AB2),197910) 3053800300011 STATUS (DEP,30538002) 3053800300012 (DEP,11126004) 3053800300013 (DEP,30538002) 3053800300014 HISTORY (19830520A) DG.-Reduced the number of data columns.- 3053800300015 ENDBIB 13 0 3053800300016 COMMON 1 3 3053800300017 EN 3053800300018 MEV 3053800300019 1.4800E+01 3053800300020 ENDCOMMON 3 0 3053800300021 DATA 3 10 3053800300022 NUMBER DATA ERR-T 3053800300023 NO-DIM MB/SR MB/SR 3053800300024 0.0000E+00 4.9350E+01 7.0000E-01 3053800300025 1.0000E+00 5.2350E+01 1.4600E+00 3053800300026 2.0000E+00 5.9640E+01 1.5400E+00 3053800300027 3.0000E+00-1.5970E+01 1.6700E+00 3053800300028 4.0000E+00 2.0270E+01 2.1000E+00 3053800300029 5.0000E+00-1.7060E+01 2.6000E+00 3053800300030 6.0000E+00 8.6400E+00 3.0200E+00 3053800300031 7.0000E+00-8.9500E+00 3.2300E+00 3053800300032 8.0000E+00-1.3200E+00 2.7800E+00 3053800300033 9.0000E+00-9.3500E+00 2.3800E+00 3053800300034 ENDDATA 12 0 3053800300035 ENDSUBENT 34 0 3053800399999 SUBENT 30538004 20090503 31373053800400001 BIB 3 4 3053800400002 REACTION (1-H-2(N,EL)1-H-2,,SIG) 3053800400003 ANALYSIS The value of total elastic scattering cross section was3053800400004 derived from the Legendre polynomial fitting. 3053800400005 STATUS (DEP,30358002) 3053800400006 ENDBIB 4 0 3053800400007 NOCOMMON 0 0 3053800400008 DATA 3 1 3053800400009 EN DATA ERR-T 3053800400010 MEV MB MB 3053800400011 1.4800E+01 6.2000E+02 9.0000E+00 3053800400012 ENDDATA 3 0 3053800400013 ENDSUBENT 12 0 3053800499999 SUBENT 30538005 20090503 31373053800500001 BIB 3 10 3053800500002 REACTION (1-H-2(N,TOT),,SIG,,,DERIV) 3053800500003 ANALYSIS Sum of (n,2n) cross section and total elastic cross- 3053800500004 section. (n,2n)cross section value is taken from 3053800500005 the result by the same group, A.Gul et al.,J.Phys.G. 3053800500006 Nucl.Phys.,5(8)(1979)1107 (Exfor30470004). 3053800500007 === Compiler's note, 3053800500008 (n,g) cross-section at 14.8 MeV is about 20 to 30 3053800500009 micro-barns. === 3053800500010 STATUS (DEP,30538004) 3053800500011 (DEP,30470004) 3053800500012 ENDBIB 10 0 3053800500013 NOCOMMON 0 0 3053800500014 DATA 3 1 3053800500015 EN DATA ERR-T 3053800500016 MEV MB MB 3053800500017 1.4800E+01 7.6500E+02 1.7000E+01 3053800500018 ENDDATA 3 0 3053800500019 ENDSUBENT 18 0 3053800599999 ENDENTRY 5 0 3053899999999