ENTRY 31687 20230720 3168700000001 SUBENT 31687001 20230720 20240316 3168700100001 BIB 15 40 3168700100002 TITLE Elastic scattering of neutrons on natPb at forward 3168700100003 angles 3168700100004 AUTHOR (E.Chavez, P.Rodriguez, A.Huerta, M.E.Ortiz, 3168700100005 L.Barron-Palos, F.Favela, D.Marin, E.Moreno, 3168700100006 G.Murillo, R.Policroniades, A.Varela) 3168700100007 INSTITUTE (3MEXUMX) 3168700100008 (3MEXINI) Departamento de Aceleradores 3168700100009 REFERENCE (J,EPJ/A,42,179,2009) 3168700100010 FACILITY (VDGT,3MEXINI) EN Tandem facility 3168700100011 INC-SOURCE (D-D) Deuteron with 3.7 MeV to 5.25 MeV (100-1000 nA) 3168700100012 INC-SPECT Mono-energetic neutron by two-body kinematics 3168700100013 (Energy resolution is below 150 keV FWHM.) 3168700100014 ----------------------------------- 3168700100015 EN(2H) ANG(3He) E(3He) ANG(n) E(n) 3168700100016 MeV deg MeV deg MeV 3168700100017 ----------------------------------- 3168700100018 3.7 28 4.1 77.0 2.9 3168700100019 4.0 28 4.3 78.4 3.0 3168700100020 4.5 28 4.6 80.6 3.1 3168700100021 4.8 28 4.8 81.7 3.2 3168700100022 5.25 28 5.1 83.3 3.4 3168700100023 ----------------------------------- 3168700100024 SAMPLE - CD2 (300-900 mu-g/cm2) for neutron production 3168700100025 - Natural 99.9% pure Pb (2.7 cm diam.x 2.6 cm long.) 3168700100026 DETECTOR (SIBAR) To detect associated 3He (40 mu-m thick) 3168700100027 (SCIN) To detect neutron (NE102A) 40 cm from Pb target 3168700100028 METHOD (ASSOP) Associated 3He-particle detection 3168700100029 (TOF) To determine neutron energy 3168700100030 MONITOR Absolute measurement (no normalization applied) 3168700100031 CORRECTION No correction made for multiple scattering 3168700100032 ERR-ANALYS (ERR-S) Statistical uncertainty including uncertainty 3168700100033 due to efficiency determination (~10%) 3168700100034 (ERR-1,,0.1) Solid angle determination (<0.1%) 3168700100035 (ERR-2,,5.) Multiple scattering (<5%) 3168700100036 (ERR-3,,2.) Neutron flux losses (<2%) 3168700100037 (ERR-4,,1.) Neutron detection efficiency (<1%) 3168700100038 (ANG-ERR) Systematic error in angle determination. 3168700100039 STATUS (APRVD) Approved by Efrain Chavez (2009-11-14) 3168700100040 HISTORY (20091113C) On 3168700100041 (20230720A) VT+On. Revision in 002 3168700100042 ENDBIB 40 0 3168700100043 NOCOMMON 0 0 3168700100044 ENDSUBENT 43 0 3168700199999 SUBENT 31687002 20230720 20240316 3168700200001 BIB 3 3 3168700200002 REACTION (82-PB-0(N,EL)82-PB-0,,DA) 3168700200003 STATUS (TABLE,,E.Chavez+,J,EPJ/A,42,179,2009) Table 3 3168700200004 HISTORY (20230720A) VT+On. COMMON: ANG-> ANG-ERR replaced 3168700200005 ENDBIB 3 0 3168700200006 COMMON 1 3 3168700200007 ANG-ERR 3168700200008 ADEG 3168700200009 0.1 3168700200010 ENDCOMMON 3 0 3168700200011 DATA 4 14 3168700200012 EN ANG DATA ERR-S 3168700200013 MEV ADEG B/SR PER-CENT 3168700200014 2.9 11. 3.79 12.5 3168700200015 2.9 24. 2.11 10.2 3168700200016 3.0 11. 4.72 11.1 3168700200017 3.0 24. 2.16 10.2 3168700200018 3.0 59. 0.24 11.9 3168700200019 3.1 11. 5.02 11.0 3168700200020 3.1 24. 3.82 10.4 3168700200021 3.1 59. 0.54 11.9 3168700200022 3.2 11. 5.94 10.4 3168700200023 3.2 24. 4.53 10.1 3168700200024 3.2 59. 0.61 11.0 3168700200025 3.4 11. 6.83 10.9 3168700200026 3.4 24. 4.50 10.2 3168700200027 3.4 59. 0.73 11.7 3168700200028 ENDDATA 16 0 3168700200029 ENDSUBENT 28 0 3168700299999 ENDENTRY 2 0 3168799999999