The injection and extraction system of HIRFL-CSR progressed steadily during the past year. The progress covers physics study, components design and development.The septums of CSR are designed by magnet team of CSR and...The injection and extraction system of HIRFL-CSR progressed steadily during the past year. The progress covers physics study, components design and development.The septums of CSR are designed by magnet team of CSR and developed in Shanghai with good results. The field homogeneity reaches ±0.1% and leakage of magnet field is less than 5 Gs, which ensures展开更多
Injection and extraction are usually the key systems in circular accelerators.They play important roles in transferring the beam from one stage acceleration to the other or to experimental stations.It is also in the i...Injection and extraction are usually the key systems in circular accelerators.They play important roles in transferring the beam from one stage acceleration to the other or to experimental stations.It is also in the injection and extraction regions where beam losses happen mostly.Due to the tight space and to reduce the perturbation to the circulating orbit,the devices are usually designed to meet special requirements such as compactness,small stray field,fast rise time or fall time,etc.Usual injection and extraction devices include septum magnets,kicker magnets, electrostatic deflectors,slow bump magnets and strippers.In spite of different accelerators and specification for the injection and extraction devices,many techniques are shared in the design and manufacturing.This paper gives a general review on the techniques employed in the major circular accelerators in China.展开更多
文摘The injection and extraction system of HIRFL-CSR progressed steadily during the past year. The progress covers physics study, components design and development.The septums of CSR are designed by magnet team of CSR and developed in Shanghai with good results. The field homogeneity reaches ±0.1% and leakage of magnet field is less than 5 Gs, which ensures
文摘Injection and extraction are usually the key systems in circular accelerators.They play important roles in transferring the beam from one stage acceleration to the other or to experimental stations.It is also in the injection and extraction regions where beam losses happen mostly.Due to the tight space and to reduce the perturbation to the circulating orbit,the devices are usually designed to meet special requirements such as compactness,small stray field,fast rise time or fall time,etc.Usual injection and extraction devices include septum magnets,kicker magnets, electrostatic deflectors,slow bump magnets and strippers.In spite of different accelerators and specification for the injection and extraction devices,many techniques are shared in the design and manufacturing.This paper gives a general review on the techniques employed in the major circular accelerators in China.