ENTRY 31657 20081216 31333165700000001 SUBENT 31657001 20081216 31333165700100001 BIB 13 31 3165700100002 TITLE Experimental study of neutron-neutron quasifree 3165700100003 scattering in the nd breakup reaction at 25 MeV 3165700100004 AUTHOR (X.C.Ruan,Z.Y.Zhou,X.Li,J.Jiang,H.X.Huang,Q.P.Zhong, 3165700100005 H.Q.Tang,B.J.Qi,J.Bao,B.Xin,W.von Witsch,H.Witala) 3165700100006 INSTITUTE (3CPRAEP) 3165700100007 (2GERBON) Institut fuer Strahlen und Kernphysik 3165700100008 (3POLUJK) Institute of Physics 3165700100009 REFERENCE (J,PR/C,75,(5),057001,2007) 3165700100010 FACILITY (VDGT,3CPRAEP) HI-13 tandem accelerator 3165700100011 INC-SOURCE (D-T) Deutron (800 nA) on tritium gas (2.2 bar) 3165700100012 SAMPLE - CD2 (diam. 20 x 20 mm) for reaction target 3165700100013 - Polyethylene (36.9 mg/cm**2) for flux monitor 3165700100014 DETECTOR (SCIN) To detect neutrons at +/- 42.2 deg 3165700100015 BC501A neutron detector (diam. 180 x 100 mm) 3165700100016 (SCIN) To detect elastic neutron at 60 deg 3165700100017 ST-451 neutron detector (diam. 100 x 50 mm) 3165700100018 (SIBAR) To detect recolied proton at 30 deg 3165700100019 METHOD (TOF) To determine outgoing neutron energies 3165700100020 (EDE) To identify recoiled proton 3165700100021 (COINC) Detection of two neutrons in coincidence 3165700100022 EN-SEC ANG1: Neutron detection angle 3165700100023 ANG2: Neutron detection angle 3165700100024 ERR-ANALYS (ERR-T) Total uncertainties: 3165700100025 (ERR-S) - Counting statistics (1.72%) 3165700100026 (ERR-1) - Solid angle of neutron detection (1. %) 3165700100027 (ERR-2) - Solid angle of proton detection (0.5 %) 3165700100028 (ERR-3) - Neutron detection efficiency (2. %) 3165700100029 STATUS (TABLE) Data (Fig.6) received by e-mail from X.C.Ruan 3165700100030 (APRVD) Approved by X.C.Ruan (2008-12-18) 3165700100031 HISTORY (20081215R) On. Data received from X.C.Ruan 3165700100032 (20081216C) On. 3165700100033 ENDBIB 31 0 3165700100034 COMMON 6 3 3165700100035 ANG1 ANG2 ERR-S ERR-1 ERR-2 ERR-3 3165700100036 ADEG ADEG PER-CENT PER-CENT PER-CENT PER-CENT 3165700100037 +45. -45. 1.72 1. 0.5 2. 3165700100038 ENDCOMMON 3 0 3165700100039 ENDSUBENT 38 0 3165700199999 SUBENT 31657002 20081216 31333165700200001 BIB 3 7 3165700200002 REACTION 1(1-H-2(N,2N)1-H-1,,DA/DA,N/N,MSC) 3165700200003 Quasifree scattering part (10.5 - 24 MeV along S-curve)3165700200004 2(1-H-2(N,2N)1-H-1,,DA/DA,N/N,MSC) 3165700200005 Quasifree scattering part (10.5 - 24 MeV along S-curve)3165700200006 MONITOR 1(1-H-1(N,EL)1-H-1,,DA) 3165700200007 2(6-C-0(N,EL)6-C-0,,DA) 3165700200008 ADD-RES (THEO) Based on CD-Bonn NN potential (22.84 mb/sr**2) 3165700200009 ENDBIB 7 0 3165700200010 NOCOMMON 0 0 3165700200011 DATA 6 1 3165700200012 EN EN-RSL DATA 1ERR-T 1DATA 2ERR-T 23165700200013 MEV MEV MB/SR2 MB/SR2 MB/SR2 MB/SR2 3165700200014 25.00 0.15 26.50 1.05 25.59 1.55 3165700200015 ENDDATA 3 0 3165700200016 ENDSUBENT 15 0 3165700299999 ENDENTRY 2 0 3165799999999