Direct evidence of transfer with weakly bound isotopes of He near the Coulomb barrier and implications of fusion
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(33) dσ σ/dΩ Ω (mb/sr). 250 (a). 200 150 6. 100. Ec.m. = 17.9 MeV. 50. Ec.m. = 27.5 MeV. 0 1. σ / σR. 65. He + Cu. (b). 0.1 0.01. 6. He + 65Cu (Ec.m.= 17.9) σR = 1502 mb. 4. He + 65Cu (Ec.m. = 18.4) σR = 1260 mb. 6. He + 65Cu (Ec.m. = 27.5) σR = 1614 mb. σ / σR. 0.001 1. (c). 0.1 He + Cu (Ec.m.= 24 MeV) σR=1862 mb. 8. 0.01. 63. He + 63Cu (Ec.m.=23.5 MeV ) σR=1360 mb. 4. 0.001 5. 15. 25. 35. 45. θ c.m. (deg.). $, #5ë å`çõ çk÷è$ø×ú ù×éÝçiü5îí ùç}÷sênøï°è÷$ø#5í5è$ø×ûü5ï{ø×ü(ú[ûø×ü ú øêné ü ú é øäè$þ ÙÙ í´ýlûk÷ Ù é8 Ù$Ó íw!3*þ5é«ù×ø×ü é ï£ç}÷$é #,çkí ïïøçiü + è$ïeè$ûIè$þ é ê Í ç}èçF1Ù$åÓ &õ ùçiï°è$ø×úçiü5îí5ù]ç}÷ ê5ø×ï°è÷$ø# í5è$ø×ûiü ï*ýlûk÷ Ù é Ù$Ó ísçiü6ê/ýlûk÷ é8 í
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