ENTRY 21164 20120814 22322116400000001 SUBENT 21164001 20120814 22322116400100001 BIB 14 30 2116400100002 INSTITUTE (2ITYBOL) 2116400100003 REFERENCE (J,NP/A,109,465,196802) n-n scattering length and 2116400100004 (P,EANDC(E)-89,92,196802) Cross section at zero degrees2116400100005 REL-REF (O,21222001,E.Fuschini+,J,NC/B,48,(1),190,1967) Two 2116400100006 angles. Graph of deuteron spectrum. 2116400100007 AUTHOR (E.Fuschini,C.Maroni,I.Massa,A.Uguzzoni,G.Vannini, 2116400100008 E.Verondini,A.Vitale) 2116400100009 TITLE The neutron-neutron scattering length from reactions 2116400100010 with tritium targets 2116400100011 FACILITY (CCW,2ITYBOL) Cockcroft-Walton accelerator. 2116400100012 INC-SOURCE (D-T) Deuterium beam on tritium target. 2116400100013 SAMPLE .Target was a thin layer of Zr (in which tritium had 2116400100014 been adsorbed) melted on a W backing. 2116400100015 METHOD (ASSOP,EDE) Associated particle. 2116400100016 DETECTOR (TELES,SOLST) Solid state counter telescope (dE counter2116400100017 11.1 mm in diam., 25 mu-m thick and E-counter 13.8 mm 2116400100018 in diam., 500 mu-m thick). 2116400100019 MONITOR (1-H-3(D,N)2-HE-4,,SIG) Associated alphas. 2116400100020 INC-SPECT .Deuterium energy spectrum is well reproduced with 2116400100021 the Watson approximation and a n-n scattering length 2116400100022 of -17 Fermi. 2116400100023 ERR-ANALYS (DATA-ERR).Contribution from contamination of tritium 2116400100024 was less than 10%, no further details. 2116400100025 HISTORY (19791206T) Converted from NEUDADA. 2116400100026 (19800110E) 2116400100027 (20120814A) SD: Updated to new date formats,lower case.2116400100028 Corrected according last EXFOR rules and Dict. 2116400100029 Year of ref. Nuovo Cim. B48,1 was corrected. 2116400100030 BIB update. Incident energy and angle were corrected.2116400100031 COMMENT -> INC-SPECT. 2116400100032 ENDBIB 30 0 2116400100033 COMMON 2 3 2116400100034 EN EN-RSL 2116400100035 MEV MEV 2116400100036 15.1 0.02 2116400100037 ENDCOMMON 3 0 2116400100038 ENDSUBENT 37 0 2116400199999 SUBENT 21164002 20120814 22322116400200001 BIB 4 6 2116400200002 REACTION (1-H-3(N,2N)1-H-2,PAR,DA,D) 2116400200003 EN-SEC (E-MAX,D) 2116400200004 (E-MIN,D) 2116400200005 STATUS (TABLE) Data from EANDC(E)-89,92,1968 2116400200006 HISTORY (19791206T) 2116400200007 (20120814A) SD: Value of angle was corrected. 2116400200008 ENDBIB 6 0 2116400200009 NOCOMMON 0 0 2116400200010 DATA 5 1 2116400200011 E-MIN E-MAX ANG DATA DATA-ERR 2116400200012 MEV MEV ADEG MB/SR MB/SR 2116400200013 5.47 7.68 0.0 29. 4. 2116400200014 ENDDATA 3 0 2116400200015 ENDSUBENT 14 0 2116400299999 SUBENT 21164003 20120814 22322116400300001 BIB 3 4 2116400300002 REACTION (0-NN-1(N,EL)0-NN-1,,AMP) Neutron-neutron 2116400300003 scattering length. 2116400300004 STATUS (TABLE) Data from Nucl.Phys. A109, p.470. 2116400300005 HISTORY (19791206C) 2116400300006 ENDBIB 4 0 2116400300007 NOCOMMON 0 0 2116400300008 DATA 1 1 2116400300009 DATA 2116400300010 FERMI 2116400300011 -17. 2116400300012 ENDDATA 3 0 2116400300013 ENDSUBENT 12 0 2116400399999 ENDENTRY 3 0 2116499999999