The Beta-decay Paul Trap Mk IV: Design and commissioning
The Beta-decay Paul Trap Mk IV: Design and commissioning
复制标题
Beta 衰变 Paul Trap Mk IV:设计和调试
DOI:
10.1016/j.nima.2023.168818
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发表时间:
2024
期刊:
影响因子:
--
通讯作者:
Segel, R.
中科院分区:
文献类型:
--
作者:
Varriano, L.;Savard, G.;Clark, J.A.;Burdette, D.P.;Burkey, M.T.;Gallant, A.T.;Hirsh, T.Y.;Longfellow, B.;Scielzo, N.D.;Segel, R.
Abstract The Beta-decay Paul Trap is an open-geometry, linear trap used to measure the decays of 8 Li and 8 B to search for a tensor contribution to the weak interaction. In the latest 8 Li measurement of Burkey et al.(2022), β scattering was the dominant experimental systematic uncertainty. The Beta-decay Paul Trap Mk IV reduces the prevalence of β scattering by a factor of 4 through a redesigned electrode geometry and the use of glassy carbon and graphite as electrode materials. The trap has been constructed and successfully commissioned with 8 Li in a new data campaign that collected 2.6 million triple coincidence events, an increase in statistics by 30% with 4 times less β scattering compared to the previous 8 Li data set.
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