TY - JOUR
T1 - A blow-in windowless gas target
AU - Sagara, K.
AU - Motoshima, A.
AU - Fujita, T.
AU - Akiyoshi, H.
AU - Nishimori, N.
N1 - Funding Information:
One of the authors (K.S.) wi?’ es to thank Professor S. TsugC for informative discussions on jet flows in the earlier stageo f the presentw ork. The authorsa ppreciateY . Koga for his skilful machinery on the preparation of complicated apparatuses. The present work was supported in part by Japan Ministry for Education, Science and Culture under Grant-in-Aid No. 062342I I.
PY - 1996/8/21
Y1 - 1996/8/21
N2 - A new-type windowless gas target has been developed to realize a dense target with a low gas flow rate. The target is similar to the conventional differentially pumped windowless gas target except that the target gas is blown into the target region from both the side holes of the beam entrance and exit. Due to the gas-confining action caused by the blown-in gas, the target thickness is about twice increased and the target density sharply falls in the holes. Most of the target gas is at rest and the density is uniform. The gas flow rate is the same as that of the conventional target and is about an order of magnitude lower than that of the dense gas-jet target.
AB - A new-type windowless gas target has been developed to realize a dense target with a low gas flow rate. The target is similar to the conventional differentially pumped windowless gas target except that the target gas is blown into the target region from both the side holes of the beam entrance and exit. Due to the gas-confining action caused by the blown-in gas, the target thickness is about twice increased and the target density sharply falls in the holes. Most of the target gas is at rest and the density is uniform. The gas flow rate is the same as that of the conventional target and is about an order of magnitude lower than that of the dense gas-jet target.
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U2 - 10.1016/0168-9002(96)00522-0
DO - 10.1016/0168-9002(96)00522-0
M3 - Article
AN - SCOPUS:0030217252
VL - 378
SP - 392
EP - 398
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
SN - 0168-9002
IS - 3
ER -