$\bf{
0.133 \pm0.008}$
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OUR AVERAGE
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$0.1321$ $\pm0.0067$ $\pm0.0046$ |
260k |
1 |
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BES3 |
$0.147$ $\pm0.036$ |
44k |
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WASA |
1
Keeping a term linear in Z only. A fit with the terms proportional to Z and Z${}^{3/2}$ gives $\alpha $ = $0.133$ $\pm0.041$ and $\beta $ = $0.037$ $\pm0.054$.
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