Table 1 Figures of merit characterising antihydrogen formation and trapping efficiencies
From: Antihydrogen accumulation for fundamental symmetry tests
\(\overline {\bf {p}} \) injected (×104) | \(\overline {\bf{H}} \) formed (×104) | \({{\bf {T}}_{{{\bf{e}}^ + }}}\)before (K) | \({{\bf {T}}_{{{\bf{e}}^ + }}}\)after (K) | Number of trials | \(\overline {\bf{H}} \) trapped & detected | \(\overline {\bf{H}} \) trapping efficiency (× 10−4) |
---|---|---|---|---|---|---|
AR injection mixing a | ||||||
1.31 ± 0.01 | 0.53 ± 0.01 | 27 ± 3 | 51 ± 1 | 54 | 0.62 ± 0.11 | 1.6 ± 0.3 |
3.1 ± 0.1 | 0.87 ± 0.01 | 27 ± 3 | 60 ± 1 | 27 | 0.59 ± 0.15 | 0.9 ± 0.2 |
Potential merge mixing b | ||||||
5.5 ± 0.1 | 2.4 ± 0.1 | 18 ± 2 | 16 ± 1 | 16 | 8.7 ± 0.7 | 4.7 ± 0.4 |
9.0 ± 0.3 | 3.1 ± 0.1 | 18 ± 2 | 17 ± 1 | 26 | 10.5 ± 0.6 | 4.7 ± 0.3 |