ENTRY O1317 20221210 O131700000001 SUBENT O1317001 20221210 20230412 O131700100001 BIB 12 37 O131700100002 TITLE The B-11(p,a)Be-8 reaction at sub-Coulomb energies O131700100003 via the Trojan-horse method O131700100004 AUTHOR (C.Spitaleri, L.Lamia, A.Tumino, R.G.Pizzone, O131700100005 S.Cherubini, A.Del Zoppo, P.Figuera, M.La Cognata, O131700100006 A.Musumarra, M.G.Pellegriti, A.Rinollo, C.Rolfs, O131700100007 S.Romano, S.Tudisco) O131700100008 INSTITUTE (2ITYCAT,2ITYLNS,2ITYSIC,2GERBOC) O131700100009 REFERENCE (J,PR/C,69,055806,2004) O131700100010 (J,NP/A,738,406,2004) Conference Proceedings O131700100011 (J,NC/C,31,423,2008) Re-evaulation of the same exp. O131700100012 (S,AIP-1120,171,2009) Preliminary publication O131700100013 FACILITY (VDGT,2ITYLNS) O131700100014 SAMPLE Deuterated polyethylene targets CD(2) of about O131700100015 170 ug/cm2 was bombarded with a 27-MeV B-11 beam. O131700100016 DETECTOR (TELES,SI,SI) A silicon delta-E-E telescope was placed O131700100017 at a distance d=65-cm from the target and at O131700100018 angle=45-degree with respect to the beam axis. O131700100019 The detection setup consisted of a dual position O131700100020 sensitive detector (DPSD), made of two 5 x1 cm2, O131700100021 1000 um thick detectors and three 5x1 cm2 1000 um O131700100022 thick position sensitive detectors O131700100023 (PSD1,PSD2 and PSD3). O131700100024 METHOD (EDE) O131700100025 ANALYSIS (TROJA) Reaction B-11(d,n+Be-8)2-He-4 was used. O131700100026 ADD-RES (THEO) O131700100027 COMMENT -By author. The B-11(p,a)Be-8 reaction was studied O131700100028 from 1-MeV down to astrophysical energies by means O131700100029 of the Trojan-horse-method applied to the O131700100030 d(B-11,a+Be-8)n three-body reaction performed at O131700100031 an incident energy of 27-MeV. O131700100032 HISTORY (20070521C) O131700100033 (20080504A) New reference was added. O131700100034 (20120225U) On. TROJA moved from METHOD to ANALYSIS O131700100035 (20170826A) SD: Data correction in Subent 003. O131700100036 (20180324A) MPT: Re-evaluated data added in Subent O131700100037 005, new references were added O131700100038 (20221210A) SD: Corrections in all Subents. O131700100039 ENDBIB 37 0 O131700100040 COMMON 1 3 O131700100041 E-LVL O131700100042 MEV O131700100043 0. O131700100044 ENDCOMMON 3 0 O131700100045 ENDSUBENT 44 0 O131700199999 SUBENT O1317002 20221210 20230412 O131700200001 BIB 6 13 O131700200002 REACTION (5-B-11(P,A)4-BE-8,PAR,DA,,REL) O131700200003 COMMENT *By authors*. The angular distribution test was O131700200004 performed for each set of coincidence events spanning O131700200005 the full Be-8-alpha relative energy range in steps O131700200006 of delta-E-cm=200-keV. The angular distributions were O131700200007 then normalized to the direct data of H.W.Becker+. O131700200008 See Rel-Ref. O131700200009 REL-REF (R,A0413001,H.W.Becker+,J,ZP/A,327,341,1987) O131700200010 ERR-ANALYS (DATA-ERR) The error bars include both statistical and O131700200011 normalization errors and the two -body cross section isO131700200012 in arbitrary units. O131700200013 STATUS (CURVE) Fig.11 from Phys.Rev.,C69,055806,2004 O131700200014 HISTORY (20221210A) SD: SF5=PAR added to REACTION code. O131700200015 ENDBIB 13 0 O131700200016 COMMON 1 3 O131700200017 ANG-ERR-D O131700200018 ADEG O131700200019 0.9 O131700200020 ENDCOMMON 3 0 O131700200021 DATA 4 37 O131700200022 EN-CM ANG-CM DATA-CM DATA-ERR O131700200023 KEV ADEG ARB-UNITS ARB-UNITS O131700200024 500. 44.2 0.55 0.16 O131700200025 500. 52.6 0.98 0.26 O131700200026 500. 60.4 1.40 0.40 O131700200027 500. 70.7 1.10 0.30 O131700200028 500. 84.6 0.99 0.21 O131700200029 500. 94.6 1.23 0.27 O131700200030 500. 104.3 1.30 0.28 O131700200031 500. 114.2 0.87 0.20 O131700200032 500. 124.2 0.76 0.19 O131700200033 500. 134.9 1.02 0.25 O131700200034 500. 145.2 0.76 0.19 O131700200035 500. 153.2 0.99 0.24 O131700200036 500. 163.6 0.67 0.20 O131700200037 700. 44.9 0.60 0.14 O131700200038 700. 54.4 0.98 0.23 O131700200039 700. 63.6 1.03 0.22 O131700200040 700. 72.2 0.98 0.24 O131700200041 700. 86.6 0.94 0.25 O131700200042 700. 96.9 1.30 0.30 O131700200043 700. 106.6 1.50 0.40 O131700200044 700. 126.5 1.17 0.27 O131700200045 700. 137.0 1.14 0.26 O131700200046 700. 147.2 0.78 0.18 O131700200047 700. 156.3 0.83 0.23 O131700200048 700. 166.3 0.73 0.20 O131700200049 900. 44.6 0.39 0.08 O131700200050 900. 52.9 0.72 0.09 O131700200051 900. 62.0 0.68 0.11 O131700200052 900. 70.8 1.08 0.21 O131700200053 900. 84.6 0.96 0.20 O131700200054 900. 95.9 1.50 0.30 O131700200055 900. 104.5 1.25 0.20 O131700200056 900. 125.7 1.70 0.50 O131700200057 900. 135.0 1.50 0.50 O131700200058 900. 145.2 0.86 0.26 O131700200059 900. 154.9 0.90 0.30 O131700200060 900. 164.8 0.80 0.30 O131700200061 ENDDATA 39 0 O131700200062 ENDSUBENT 61 0 O131700299999 SUBENT O1317003 20221210 20230412 O131700300001 BIB 5 10 O131700300002 REACTION (5-B-11(P,A)4-BE-8,PAR,SIG) O131700300003 the result represents the indirect p-B-11 cross O131700300004 section. O131700300005 REL-REF (A,A0413001,H.W.Becker+,J,ZP/A,327,341,1987) O131700300006 ADD-RES (COMP) Comparison with direct measurements of the O131700300007 reaction. See REL-REF. O131700300008 STATUS (CURVE) Fig.12 from from Phys.Rev.,C69,055806,2004 O131700300009 HISTORY (20170826A) SD: All values were multiplied by a factor O131700300010 of 10. (c.f. Fig.12 of J,PR/C,69,055806,2004). O131700300011 (20221210A) SD: SF5=PAR added to REACTION code. O131700300012 ENDBIB 10 0 O131700300013 COMMON 2 3 O131700300014 EN-ERR-DIG ERR-DIG O131700300015 MEV PER-CENT O131700300016 0.004 2.7 O131700300017 ENDCOMMON 3 0 O131700300018 DATA 2 48 O131700300019 EN DATA O131700300020 MEV B O131700300021 0.030 1.697E-11 O131700300022 0.050 9.340E-09 O131700300023 0.068 2.357E-07 O131700300024 0.089 2.429E-06 O131700300025 0.108 1.379E-05 O131700300026 0.128 4.758E-05 O131700300027 0.147 1.219E-04 O131700300028 0.168 2.559E-04 O131700300029 0.185 3.988E-04 O131700300030 0.209 4.383E-04 O131700300031 0.226 4.156E-04 O131700300032 0.246 4.349E-04 O131700300033 0.267 4.120E-04 O131700300034 0.289 5.527E-04 O131700300035 0.307 5.785E-04 O131700300036 0.329 7.384E-04 O131700300037 0.348 8.123E-04 O131700300038 0.368 6.968E-04 O131700300039 0.390 8.462E-04 O131700300040 0.408 1.029E-03 O131700300041 0.429 1.076E-03 O131700300042 0.448 1.308E-03 O131700300043 0.467 1.589E-03 O131700300044 0.489 2.240E-03 O131700300045 0.509 2.231E-03 O131700300046 0.530 2.221E-03 O131700300047 0.552 2.566E-03 O131700300048 0.570 2.202E-03 O131700300049 0.591 3.105E-03 O131700300050 0.611 2.799E-03 O131700300051 0.632 3.756E-03 O131700300052 0.650 3.387E-03 O131700300053 0.671 4.324E-03 O131700300054 0.691 3.898E-03 O131700300055 0.711 4.287E-03 O131700300056 0.730 4.270E-03 O131700300057 0.752 4.250E-03 O131700300058 0.772 7.313E-03 O131700300059 0.790 5.407E-03 O131700300060 0.813 5.119E-03 O131700300061 0.830 6.874E-03 O131700300062 0.852 6.842E-03 O131700300063 0.874 6.810E-03 O131700300064 0.893 8.698E-03 O131700300065 0.912 8.663E-03 O131700300066 0.932 7.809E-03 O131700300067 0.951 1.279E-02 O131700300068 0.970 9.934E-03 O131700300069 ENDDATA 50 0 O131700300070 ENDSUBENT 69 0 O131700399999 SUBENT O1317004 20221210 20230412 O131700400001 BIB 6 14 O131700400002 REACTION (5-B-11(P,A)4-BE-8,PAR,SIG,,SFC) O131700400003 the astrophysical factor from the indirect p-B-11 O131700400004 two-body cross section. O131700400005 REL-REF (D,A0413001,H.W.Becker+,J,ZP/A,327,341,1987) O131700400006 The extracted bare S(0) value appears to be about a O131700400007 factor 6 lower than that extrapolated from direct O131700400008 data(Rel-Ref). O131700400009 ADD-RES (COMP) Comparison with direct measurements of the O131700400010 reaction. O131700400011 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty O131700400012 STATUS (CURVE) Fig.13 from Phys.Rev.,C69,055806,2004 O131700400013 (SPSDD,O1317005) O131700400014 HISTORY (20180324A) MPT: Superseded. O131700400015 (20221210A) SD: SF5=PAR added to REACTION code. O131700400016 ENDBIB 14 0 O131700400017 COMMON 1 3 O131700400018 EN-ERR-DIG O131700400019 MEV O131700400020 0.004 O131700400021 ENDCOMMON 3 0 O131700400022 DATA 3 43 O131700400023 EN-CM DATA DATA-ERR O131700400024 MEV B*MEV B*MEV O131700400025 0.024 0.45 0.10 O131700400026 0.051 1.02 0.17 O131700400027 0.064 1.33 0.20 O131700400028 0.088 2.19 0.25 O131700400029 0.108 3.30 0.30 O131700400030 0.126 4.40 0.30 O131700400031 0.150 5.20 0.40 O131700400032 0.171 5.90 0.40 O131700400033 0.191 5.30 0.40 O131700400034 0.206 3.70 0.30 O131700400035 0.227 2.66 0.27 O131700400036 0.247 2.00 0.30 O131700400037 0.267 1.43 0.28 O131700400038 0.288 1.47 0.29 O131700400039 0.311 1.24 0.28 O131700400040 0.330 1.32 0.29 O131700400041 0.352 1.28 0.25 O131700400042 0.366 0.83 0.25 O131700400043 0.390 0.93 0.24 O131700400044 0.409 0.97 0.26 O131700400045 0.431 0.93 0.25 O131700400046 0.451 0.91 0.25 O131700400047 0.467 0.99 0.22 O131700400048 0.491 1.40 0.28 O131700400049 0.513 1.20 0.27 O131700400050 0.532 1.11 0.26 O131700400051 0.552 1.15 0.27 O131700400052 0.574 0.89 0.24 O131700400053 0.590 1.24 0.27 O131700400054 0.612 1.03 0.27 O131700400055 0.628 1.28 0.24 O131700400056 0.650 1.09 0.23 O131700400057 0.674 1.38 0.27 O131700400058 0.691 1.15 0.24 O131700400059 0.710 1.17 0.27 O131700400060 0.732 1.13 0.23 O131700400061 0.751 1.05 0.23 O131700400062 0.770 1.74 0.26 O131700400063 0.790 1.19 0.22 O131700400064 0.812 1.13 0.20 O131700400065 0.833 1.51 0.26 O131700400066 0.855 1.35 0.26 O131700400067 0.872 1.31 0.25 O131700400068 ENDDATA 45 0 O131700400069 ENDSUBENT 68 0 O131700499999 SUBENT O1317005 20221210 20230412 O131700500001 BIB 5 9 O131700500002 REACTION (5-B-11(P,A)4-BE-8,PAR,SIG,,SFC) Revised S-factor O131700500003 adopted from J,NC/C,31,423,2008 O131700500004 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty O131700500005 ADD-RES (COMP) Comparison with direct measurements of the O131700500006 reaction. O131700500007 STATUS (CURVE) Fig.4 from Nuovo Cim.,C31,423,2008 O131700500008 HISTORY (20180324C) MPT: Re-evaluated data added. O131700500009 (20221210A) SD: SF5=PAR added to REACTION code. O131700500010 STATUS and HISTORY codes added. O131700500011 ENDBIB 9 0 O131700500012 COMMON 2 3 O131700500013 EN-ERR-DIG ERR-DIG O131700500014 MEV B*MEV O131700500015 0.005 0.05 O131700500016 ENDCOMMON 3 0 O131700500017 DATA 3 34 O131700500018 EN-CM DATA DATA-ERR O131700500019 MEV B*MEV B*MEV O131700500020 0.017 2.19 0.37 O131700500021 0.038 1.98 0.34 O131700500022 0.057 3.16 0.45 O131700500023 0.079 3.36 0.42 O131700500024 0.098 4.80 0.51 O131700500025 0.118 6.23 0.57 O131700500026 0.139 8.69 0.68 O131700500027 0.158 9.33 0.73 O131700500028 0.177 8.40 0.71 O131700500029 0.199 7.43 0.68 O131700500030 0.215 5.87 0.62 O131700500031 0.237 3.37 0.50 O131700500032 0.255 1.83 0.38 O131700500033 0.275 1.71 0.14 O131700500034 0.296 1.80 0.43 O131700500035 0.313 1.80 0.42 O131700500036 0.333 1.69 0.40 O131700500037 0.354 1.60 0.38 O131700500038 0.374 1.54 0.41 O131700500039 0.394 1.51 0.40 O131700500040 0.414 1.49 0.42 O131700500041 0.434 1.52 0.42 O131700500042 0.452 1.59 0.42 O131700500043 0.473 1.62 0.46 O131700500044 0.491 1.62 0.49 O131700500045 0.512 1.59 0.45 O131700500046 0.530 1.52 0.45 O131700500047 0.550 1.42 0.45 O131700500048 0.569 1.33 0.44 O131700500049 0.589 1.27 0.43 O131700500050 0.609 1.21 0.46 O131700500051 0.628 1.19 0.47 O131700500052 0.649 1.19 0.47 O131700500053 0.668 1.22 0.48 O131700500054 ENDDATA 36 0 O131700500055 ENDSUBENT 54 0 O131700599999 ENDENTRY 5 0 O131799999999