ENTRY C2855 20221126 C285500000001 SUBENT C2855001 20221126 20240513 C285500100001 BIB 11 48 C285500100002 TITLE Direct measurement of resonances in 7Be(a,gamma)11C C285500100003 relevant to nu-p process nucleosynthesis C285500100004 AUTHOR (A.Psaltis,A.A.Chen,R.Longland,D.S.Connolly,C.R.Brune, C285500100005 B.Davids,J.Fallis,R.Giri,U.Greife,D.A.Hutcheon,L.Kroll,C285500100006 A.Lennarz,J.Liang,M.Lovely,M.Luo,C.Marshall,S.N.Paneru,C285500100007 A.Parikh,C.Ruiz,A.C.Shotter,M.Williams) C285500100008 INSTITUTE (1CANMCM,1USANCS,1USATNL,1CANTMF,1USAOHO,1CANSFU, C285500100009 1USACSM,1CANUBC,2SPNUPC,1CANVCT,2UK EDG,2UK YRK) C285500100010 (1CANCAN) North Island College, Courtenay, C285500100011 British Columbia C285500100012 REFERENCE (J,PRL,129,162701,2022) C285500100013 REL-REF (O,C2835001,A.Psaltis+,J,PR/C,106,045805,2022) C285500100014 Related article with more detailed description. C285500100015 FACILITY (LINAC,1CANTMF) Experiment carried out using the C285500100016 DRAGON recoil separator at TRIUMF, Vancouver C285500100017 SAMPLE Helium-filled DRAGON windowless gas target with C285500100018 effective length of (12.3+-0.1) cm and He pressure C285500100019 between 4.92 and 7.9 torr. C285500100020 DETECTOR (MAGSP) For mass and momentum selection an C285500100021 electromagnetic mass separator was used, which C285500100022 consists of two magnetic (M) and two electric dipoles C285500100023 (E) in a MEME configuration. C285500100024 (BGO) Prompt gamma rays were detected using an array C285500100025 of 30 BGO scintillators with phototubes covering C285500100026 covering 89-92% of the 4Pi solid angle. It was used C285500100027 also fore tagging of the associated recoil particles C285500100028 for additional background reduction in the focal C285500100029 plane detectors. C285500100030 (MCPLT,SISD) Focal plane detector consisting of C285500100031 microchannel plate and a double-sided silicon-strip C285500100032 detector. The microchannel plate provided the C285500100033 starting timing sig nalfor a local time-of-flight. In C285500100034 the Si strip detector the recoils are stopped, their C285500100035 kinetic energy and position are measured, and the C285500100036 stopping timing signal is recorded. C285500100037 METHOD (TOF) C285500100038 INC-SOURCE Beams of 7Be+ were produced using the ISOL technique C285500100039 by bombarding thick ZrC and graphite targets with 55 C285500100040 muA 500 MeV protons from the TRIUMF cyclotron. 7Li C285500100041 and 7Be were extracted from the target through a C285500100042 high- resolution mass separator, and the beryllium C285500100043 ionization was enhanced using the TRIUMF Resonant C285500100044 Ionization Laser Ion Source. After the ion source, C285500100045 the beam was transported through the ISAC C285500100046 high-resolution mass separator and then accelerated C285500100047 through the ISAC-I radio frequency quadrupole and C285500100048 drift-tube linac to final energy. C285500100049 HISTORY (20221126C) Compiled by S.H. C285500100050 ENDBIB 48 0 C285500100051 NOCOMMON 0 0 C285500100052 ENDSUBENT 51 0 C285500199999 SUBENT C2855002 20221126 20240513 C285500200001 BIB 3 4 C285500200002 REACTION (4-BE-7(A,G),,WID/STR) C285500200003 ERR-ANALYS (ERR-S) Statistical uncertainty C285500200004 (ERR-SYS) Systematic uncertainty C285500200005 STATUS (TABLE,,A.Psaltis+,J,PRL,129,162701,2022) Text (p.4) C285500200006 ENDBIB 4 0 C285500200007 NOCOMMON 0 0 C285500200008 DATA 6 3 C285500200009 EN-RES DATA ERR-S +ERR-S -ERR-S ERR-SYS C285500200010 KEV EV EV EV EV EV C285500200011 876. 3.00 0.81 0.72 0.61 C285500200012 1110. 0.125 0.027 0.025 0.015 C285500200013 1155. 1.73 0.25 0.40 C285500200014 ENDDATA 5 0 C285500200015 ENDSUBENT 14 0 C285500299999 ENDENTRY 2 0 C285599999999