Heavy Ion Reaction Group is in charge of the operation and maintenance of the 1st Radioactive Ion Beam Line in Lanzhou(RIBLL1).Their research works are focused on the direct reactions induced by radioactive ion beams,...Heavy Ion Reaction Group is in charge of the operation and maintenance of the 1st Radioactive Ion Beam Line in Lanzhou(RIBLL1).Their research works are focused on the direct reactions induced by radioactive ion beams,nuclear reaction dynamics at Fermi energy and some international collaborations.The progress achieved in 2018 are as the following.展开更多
Our previous experimental result for proton-rich nucleus ^(8)B at above the Coulomb barrier shows that in spite of its low proton separation energy(0.136 MeV)there is no strong breakup coupling effects[1].The fact is ...Our previous experimental result for proton-rich nucleus ^(8)B at above the Coulomb barrier shows that in spite of its low proton separation energy(0.136 MeV)there is no strong breakup coupling effects[1].The fact is in contrast to the observation of neutron-rich nuclei ^(11)Be around the Coulomb barrier.A systematic study for elastic scattering cross sections of neutron-rich nucleus ^(11)Be and the proton-halo nucleus ^(8)B at low and higher energies shows that the Coulomb rainbow in the elastic scattering of ^(11)Be is still strongly suppressed at high energies[2].In order to examine the predictions,experimental measurements for 11Be elastic scattering and breakup for ^(11)Be+^(208)Pb system at 141 and 209 MeV were performed at the National Laboratory of Heavy Ion Research of the Institute of Modern Physics,Lanzhou,China.展开更多
文摘Heavy Ion Reaction Group is in charge of the operation and maintenance of the 1st Radioactive Ion Beam Line in Lanzhou(RIBLL1).Their research works are focused on the direct reactions induced by radioactive ion beams,nuclear reaction dynamics at Fermi energy and some international collaborations.The progress achieved in 2018 are as the following.
文摘Our previous experimental result for proton-rich nucleus ^(8)B at above the Coulomb barrier shows that in spite of its low proton separation energy(0.136 MeV)there is no strong breakup coupling effects[1].The fact is in contrast to the observation of neutron-rich nuclei ^(11)Be around the Coulomb barrier.A systematic study for elastic scattering cross sections of neutron-rich nucleus ^(11)Be and the proton-halo nucleus ^(8)B at low and higher energies shows that the Coulomb rainbow in the elastic scattering of ^(11)Be is still strongly suppressed at high energies[2].In order to examine the predictions,experimental measurements for 11Be elastic scattering and breakup for ^(11)Be+^(208)Pb system at 141 and 209 MeV were performed at the National Laboratory of Heavy Ion Research of the Institute of Modern Physics,Lanzhou,China.
