ENTRY O2255 20170920 O063O225500000001 SUBENT O2255001 20170920 O063O225500100001 BIB 14 50 O225500100002 TITLE A new study of Mg-25(alpha,n)Si-28 angular O225500100003 distributions at E(alpha)=3-5 MeV. O225500100004 AUTHOR (A.Caciolli,T.Marchi,R.Depalo,S.Appannababu,N.Blasi, O225500100005 C.Broggini,M.Cinausero,G.Collazuol,M.Degerlier, O225500100006 D.Fabris,F.Gramegna,M.Leone,P.Mastinu,R.Menegazzo, O225500100007 G.Montagnoli,C.Rossi Alvarez,V.Rigato,O.Wieland) O225500100008 INSTITUTE (2ITYPAD,2ITYLNS,2ITYMIL) O225500100009 (2TUKTUK) Nevsehir Haci Bektas University O225500100010 REFERENCE (J,EPJ/A,50,147,2014) O225500100011 (J,EPJ/CS,66,07002,2014) - presentation on the Conf. O225500100012 FACILITY (VDG,2ITYPAD) the CN Van de Graaff accelerator of the O225500100013 Legnaro National Laboratories O225500100014 SAMPLE (12-MG-25,ENR=0.9575) Targets were made of MgO O225500100015 evaporated on gold. The Mg was 95.75% enriched in O225500100016 25Mg. The nominal target thickness was 70 mug/cm**2 O225500100017 while the gold backing was 1 mg/cm**2 thick. The O225500100018 oxide prevents the magnesium from being further O225500100019 oxidized and keeps the 18O background constant during O225500100020 the experiment. O225500100021 METHOD (TOF) O225500100022 DETECTOR (SCIN) 10 BC501 liquid scintillators from the RIPEN O225500100023 array (see REL-REF), as already done in a previous O225500100024 experiment using a similar setup. Each detector has O225500100025 an active cell of 12.5cm in diameter and 12.5cm in O225500100026 length. O225500100027 (SILI) Two collimated Silicon detectors (1mm diam.) O225500100028 were placed inside the chamber at a distance of 7 cm O225500100029 from the target and at 150. degr. with respect to the O225500100030 beam direction. The silicon detectors have been used O225500100031 for two purposes: O225500100032 i) to count the backward scattered alpha-ions for O225500100033 cross section normalization, O225500100034 ii) to monitor the target integrity and the possible O225500100035 presence of contaminants. O225500100036 REL-REF (I,,N.Colonna+,J,NIM/A,381,472,1996) - RIPEN array O225500100037 described.O225500100038 (I,O2187001,M.Cinausero+,J,EPJ/CS,66,03048,2014) O225500100039 - Similar setup O225500100040 INC-SOURCE A pulsed 4He+ beam was used (I ~ 200 pnA, 3MHz O225500100041 repetition rate, bunch width < 2ns). The measurements O225500100042 were performed at 5 different energies from 3. to 5.MeVO225500100043 ERR-ANALYS (ERR-S) Statistical uncertainty O225500100044 EN-SEC (E-LVL-NM,14-SI-28) O225500100045 (E-LVL-DN,14-SI-28) O225500100046 STATUS (TABLE).Tables of J,EPJ/A,50,147,2014 O225500100047 HISTORY (20150218C) SB O225500100048 (20170407A) SD: Energy headings were changed in O225500100049 Subents 002-005. Detector was changed. INC-SOURCE and O225500100050 REL-REF were added. O225500100051 (20170920U) SD: Ref. was added. O225500100052 ENDBIB 50 0 O225500100053 COMMON 2 3 O225500100054 E-LVL-DN ANG-CM-DN O225500100055 KEV ADEG O225500100056 1779. 18.5 O225500100057 ENDCOMMON 3 0 O225500100058 ENDSUBENT 57 0 O225500199999 SUBENT O2255002 20170407 O061O225500200001 BIB 3 4 O225500200002 REACTION ((12-MG-25(A,N)14-SI-28,PAR,DA)// O225500200003 (12-MG-25(A,N)14-SI-28,PAR,DA)) O225500200004 STATUS (TABLE).Table 1 of J,EPJ/A,50,147,2014 O225500200005 HISTORY (20170407A) SD: EN -> EN-NM and EN-DN=4.95 MeV added. O225500200006 ENDBIB 4 0 O225500200007 COMMON 2 3 O225500200008 EN-NM EN-DN O225500200009 MEV MEV O225500200010 3.045 4.95 O225500200011 ENDCOMMON 3 0 O225500200012 DATA 4 20 O225500200013 E-LVL-NM ANG-CM-NM DATA-CM ERR-S O225500200014 KEV ADEG NO-DIM NO-DIM O225500200015 0.00 18.4 5.4E-03 0.6E-03 O225500200016 0.00 26.8 3.9E-03 0.5E-03 O225500200017 0.00 35.2 2.9E-03 0.5E-03 O225500200018 0.00 43.5 4.3E-03 0.5E-03 O225500200019 0.00 57.5 5.0E-03 0.6E-03 O225500200020 0.00 72.9 5.7E-03 0.6E-03 O225500200021 0.00 85.1 7.4E-03 0.5E-03 O225500200022 0.00 93.1 7.6E-03 0.6E-03 O225500200023 0.00 101.0 7.8E-03 0.6E-03 O225500200024 0.00 109.0 6.3E-03 0.6E-03 O225500200025 1779. 18.4 4.65E-02 0.08E-02 O225500200026 1779. 26.8 4.16E-02 0.08E-02 O225500200027 1779. 35.2 3.70E-02 0.03E-02 O225500200028 1779. 43.5 3.58E-02 0.03E-02 O225500200029 1779. 57.5 3.24E-02 0.03E-02 O225500200030 1779. 72.9 3.01E-02 0.05E-02 O225500200031 1779. 85.1 2.95E-02 0.03E-02 O225500200032 1779. 93.1 3.15E-02 0.03E-02 O225500200033 1779. 101.0 3.42E-02 0.03E-02 O225500200034 1779. 109.0 3.26E-02 0.03E-02 O225500200035 ENDDATA 22 0 O225500200036 ENDSUBENT 35 0 O225500299999 SUBENT O2255003 20170407 O061O225500300001 BIB 3 4 O225500300002 REACTION ((12-MG-25(A,N)14-SI-28,PAR,DA)// O225500300003 (12-MG-25(A,N)14-SI-28,PAR,DA)) O225500300004 STATUS (TABLE).Table 2 of J,EPJ/A,50,147,2014 O225500300005 HISTORY (20170407A) SD: EN -> EN-NM and EN-DN=4.95 MeV added. O225500300006 ENDBIB 4 0 O225500300007 COMMON 2 3 O225500300008 EN-NM EN-DN O225500300009 MEV MEV O225500300010 3.49 4.95 O225500300011 ENDCOMMON 3 0 O225500300012 DATA 4 26 O225500300013 E-LVL-NM ANG-CM-NM DATA-CM ERR-S O225500300014 KEV ADEG NO-DIM NO-DIM O225500300015 0.00 18.5 8.9E-03 0.5E-03 O225500300016 0.00 26.9 8.1E-03 0.9E-03 O225500300017 0.00 35.3 6.3E-03 0.4E-03 O225500300018 0.00 43.6 6.8E-03 0.4E-03 O225500300019 0.00 57.6 6.3E-03 0.4E-03 O225500300020 0.00 73.0 5.8E-03 0.4E-03 O225500300021 0.00 85.2 6.4E-03 0.4E-03 O225500300022 0.00 93.2 6.3E-03 0.4E-03 O225500300023 0.00 101.2 7.5E-03 0.4E-03 O225500300024 0.00 109.1 7.1E-03 0.4E-03 O225500300025 1779. 18.5 8.10E-02 0.20E-02 O225500300026 1779. 26.9 6.80E-02 0.20E-02 O225500300027 1779. 35.3 6.20E-02 0.09E-02 O225500300028 1779. 43.6 5.93E-02 0.09E-02 O225500300029 1779. 57.6 4.30E-02 0.07E-02 O225500300030 1779. 73.0 3.46E-02 0.13E-02 O225500300031 1779. 85.2 3.22E-02 0.08E-02 O225500300032 1779. 93.2 3.86E-02 0.07E-02 O225500300033 1779. 101.2 4.32E-02 0.09E-02 O225500300034 1779. 109.1 4.19E-02 0.07E-02 O225500300035 4617.9 18.5 12.8E-03 1.1E-03 O225500300036 4617.9 26.9 10.2E-03 1.1E-03 O225500300037 4617.9 35.3 7.9E-03 1.2E-03 O225500300038 4617.9 43.6 3.9E-03 1.3E-03 O225500300039 4617.9 57.6 7.0E-03 1.8E-03 O225500300040 4617.9 73.0 6.0E-03 4.0E-03 O225500300041 ENDDATA 28 0 O225500300042 ENDSUBENT 41 0 O225500399999 SUBENT O2255004 20170407 O061O225500400001 BIB 3 4 O225500400002 REACTION ((12-MG-25(A,N)14-SI-28,PAR,DA)// O225500400003 (12-MG-25(A,N)14-SI-28,PAR,DA)) O225500400004 STATUS (TABLE).Table 3 of J,EPJ/A,50,147,2014 O225500400005 HISTORY (20170407A) SD: EN -> EN-NM and EN-DN=4.95 MeV added. O225500400006 ENDBIB 4 0 O225500400007 COMMON 2 3 O225500400008 EN-NM EN-DN O225500400009 MEV MEV O225500400010 3.95 4.95 O225500400011 ENDCOMMON 3 0 O225500400012 DATA 4 28 O225500400013 E-LVL-NM ANG-CM-NM DATA-CM ERR-S O225500400014 KEV ADEG NO-DIM NO-DIM O225500400015 0.00 18.5 10.1E-02 1.0E-02 O225500400016 0.00 26.9 8.0E-02 0.7E-02 O225500400017 0.00 35.3 7.2E-02 0.7E-02 O225500400018 0.00 43.7 6.5E-02 0.8E-02 O225500400019 0.00 57.7 6.9E-02 0.8E-02 O225500400020 0.00 73.1 7.0E-02 0.6E-02 O225500400021 0.00 85.2 6.3E-02 0.6E-02 O225500400022 0.00 93.3 6.7E-02 0.7E-02 O225500400023 0.00 101.2 7.5E-02 0.7E-02 O225500400024 0.00 109.1 7.0E-02 0.6E-02 O225500400025 1779. 18.5 2.50E-01 0.15E-01 O225500400026 1779. 26.9 2.36E-01 0.12E-01 O225500400027 1779. 35.3 2.25E-01 0.12E-01 O225500400028 1779. 43.7 2.31E-01 0.14E-01 O225500400029 1779. 57.7 2.08E-01 0.13E-01 O225500400030 1779. 73.1 1.61E-01 0.08E-01 O225500400031 1779. 85.2 1.66E-01 0.09E-01 O225500400032 1779. 93.3 1.89E-01 0.10E-01 O225500400033 1779. 101.2 1.66E-01 0.10E-01 O225500400034 1779. 109.1 1.98E-01 0.10E-01 O225500400035 4617.9 18.5 1.60E-01 0.06E-01 O225500400036 4617.9 26.9 1.20E-01 0.06E-01 O225500400037 4617.9 35.3 1.06E-01 0.05E-01 O225500400038 4617.9 43.7 0.91E-01 0.07E-01 O225500400039 4617.9 57.7 0.49E-01 0.04E-01 O225500400040 4617.9 73.1 0.78E-01 0.06E-01 O225500400041 4617.9 85.2 0.41E-01 0.05E-01 O225500400042 4617.9 93.3 0.26E-01 O225500400043 ENDDATA 30 0 O225500400044 ENDSUBENT 43 0 O225500499999 SUBENT O2255005 20170407 O061O225500500001 BIB 3 4 O225500500002 REACTION ((12-MG-25(A,N)14-SI-28,PAR,DA)// O225500500003 (12-MG-25(A,N)14-SI-28,PAR,DA)) O225500500004 STATUS (TABLE).Table 4 of J,EPJ/A,50,147,2014 O225500500005 HISTORY (20170407A) SD: EN -> EN-NM and EN-DN=4.95 MeV added. O225500500006 ENDBIB 4 0 O225500500007 COMMON 2 3 O225500500008 EN-NM EN-DN O225500500009 MEV MEV O225500500010 4.3 4.95 O225500500011 ENDCOMMON 3 0 O225500500012 DATA 4 39 O225500500013 E-LVL-NM ANG-CM-NM DATA-CM ERR-S O225500500014 KEV ADEG NO-DIM NO-DIM O225500500015 0.00 18.5 6.9E-02 0.6E-02 O225500500016 0.00 26.9 6.3E-02 0.6E-02 O225500500017 0.00 35.3 6.5E-02 0.5E-02 O225500500018 0.00 43.7 6.7E-02 0.5E-02 O225500500019 0.00 57.7 10.0E-02 0.7E-02 O225500500020 0.00 73.1 11.0E-02 0.6E-02 O225500500021 0.00 85.3 12.2E-02 0.6E-02 O225500500022 0.00 93.3 15.8E-02 0.8E-02 O225500500023 0.00 101.3 17.3E-02 0.8E-02 O225500500024 0.00 109.2 17.1E-02 1.1E-02 O225500500025 1779. 18.5 3.49E-01 0.11E-01 O225500500026 1779. 26.9 3.59E-01 0.13E-01 O225500500027 1779. 35.3 3.64E-01 0.11E-01 O225500500028 1779. 43.7 3.98E-01 0.12E-01 O225500500029 1779. 57.7 3.63E-01 0.12E-01 O225500500030 1779. 73.1 2.99E-01 0.10E-01 O225500500031 1779. 85.3 2.79E-01 0.08E-01 O225500500032 1779. 93.3 3.12E-01 0.10E-01 O225500500033 1779. 101.3 3.41E-01 0.10E-01 O225500500034 1779. 109.2 3.97E-01 0.16E-01 O225500500035 4617.9 18.5 1.97E-01 0.07E-01 O225500500036 4617.9 26.9 2.17E-01 0.07E-01 O225500500037 4617.9 35.3 2.38E-01 0.08E-01 O225500500038 4617.9 43.7 2.59E-01 0.10E-01 O225500500039 4617.9 57.7 2.74E-01 0.08E-01 O225500500040 4617.9 73.1 3.03E-01 0.10E-01 O225500500041 4617.9 85.3 2.95E-01 0.10E-01 O225500500042 4617.9 93.3 2.86E-01 0.09E-01 O225500500043 4617.9 101.3 2.30E-01 0.08E-01 O225500500044 4617.9 109.2 2.60E-01 0.10E-01 O225500500045 4979.9 18.5 6.60E-02 0.50E-02 O225500500046 4979.9 26.9 5.50E-02 0.50E-02 O225500500047 4979.9 35.3 6.70E-02 0.60E-02 O225500500048 4979.9 43.7 5.70E-02 0.70E-02 O225500500049 4979.9 57.7 3.20E-02 0.40E-02 O225500500050 4979.9 73.1 4.40E-02 0.60E-02 O225500500051 4979.9 85.3 2.10E-02 0.60E-02 O225500500052 4979.9 93.3 2.60E-02 0.50E-02 O225500500053 4979.9 101.3 1.10E-02 0.50E-02 O225500500054 ENDDATA 41 0 O225500500055 ENDSUBENT 54 0 O225500599999 SUBENT O2255006 20170407 O061O225500600001 BIB 3 4 O225500600002 REACTION ((12-MG-25(A,N)14-SI-28,PAR,DA)// O225500600003 (12-MG-25(A,N)14-SI-28,PAR,DA)) O225500600004 STATUS (TABLE).Table 5 of J,EPJ/A,50,147,2014 O225500600005 HISTORY (20170407U) SD: Table number changed. O225500600006 ENDBIB 4 0 O225500600007 COMMON 1 3 O225500600008 EN O225500600009 MEV O225500600010 4.95 O225500600011 ENDCOMMON 3 0 O225500600012 DATA 4 40 O225500600013 E-LVL-NM ANG-CM-NM DATA-CM ERR-S O225500600014 KEV ADEG NO-DIM NO-DIM O225500600015 0.00 18.5 1.54E-01 0.14E-01 O225500600016 0.00 27.0 1.21E-01 0.21E-01 O225500600017 0.00 35.4 1.11E-01 0.17E-01 O225500600018 0.00 43.8 0.99E-01 0.12E-01 O225500600019 0.00 57.8 0.69E-01 0.08E-01 O225500600020 0.00 73.2 0.43E-01 0.09E-01 O225500600021 0.00 85.4 0.49E-01 0.09E-01 O225500600022 0.00 93.3 0.70E-01 0.09E-01 O225500600023 0.00 101.4 0.74E-01 0.09E-01 O225500600024 0.00 109.3 0.75E-01 0.09E-02 O225500600025 1779. 18.5 1.00 0.03 O225500600026 1779. 27.0 0.91 0.03 O225500600027 1779. 35.4 0.90 0.03 O225500600028 1779. 43.8 0.80 0.03 O225500600029 1779. 57.8 0.66 0.02 O225500600030 1779. 73.2 0.48 0.02 O225500600031 1779. 85.4 0.47 0.02 O225500600032 1779. 93.3 0.50 0.02 O225500600033 1779. 101.4 0.513 0.014 O225500600034 1779. 109.3 0.53 0.02 O225500600035 4617.9 18.5 5.30E-01 0.2E-01 O225500600036 4617.9 27.0 5.42E-01 0.17E-01 O225500600037 4617.9 35.4 5.30E-01 0.20E-01 O225500600038 4617.9 43.8 5.35E-01 0.17E-01 O225500600039 4617.9 57.8 4.71E-01 0.14E-01 O225500600040 4617.9 73.2 3.90E-01 0.11E-01 O225500600041 4617.9 85.4 3.57E-01 0.10E-01 O225500600042 4617.9 93.3 3.59E-01 0.11E-01 O225500600043 4617.9 101.4 3.38E-01 0.12E-01 O225500600044 4617.9 109.3 3.45E-01 0.19E-01 O225500600045 4979.9 18.5 1.81E-01 0.14E-01 O225500600046 4979.9 27.0 1.87E-01 0.12E-01 O225500600047 4979.9 35.4 1.73E-01 0.11E-01 O225500600048 4979.9 43.8 1.75E-01 0.13E-01 O225500600049 4979.9 57.8 1.36E-01 0.14E-01 O225500600050 4979.9 73.2 1.24E-01 0.16E-01 O225500600051 4979.9 85.4 0.97E-01 0.07E-01 O225500600052 4979.9 93.3 0.81E-01 0.08E-01 O225500600053 4979.9 101.4 0.74E-01 0.08E-01 O225500600054 4979.9 109.3 0.71E-01 0.08E-01 O225500600055 ENDDATA 42 0 O225500600056 ENDSUBENT 55 0 O225500699999 ENDENTRY 6 0 O225599999999