Table 1 The parameter values and their uncertainties for each component

From: Controlling 229Th isomeric state population in a VUV transparent crystal

Item

Value

Uncertainty

\({{{\Gamma }}}_{\gamma }^{{{{{{{{\rm{cross}}}}}}}}}\)

1.70 neV

23.5%

λ2nd

42.48 pm

0.0003%

\({{{{{{{{\rm{Br}}}}}}}}}_{{{{{{{{\rm{tot}}}}}}}}}^{{{{{{{{\rm{in}}}}}}}}}\)

0.72

16.1%

σx

13.4 meV

17.9%

Φ

(1.48–1.86) × 1011 s−1

11.1%

nTh(Basso)

4.0 × 1018 cm−3

6.8%

nTh(Alto)

4.7 × 1018 cm−3

9.4%

L(Basso)

0.8 mm

11.4%

L(Alto)

0.7 mm

13.8%

lx @ 29.19 keV

1.34 mm

1%

τir

56 s

13.4%

  1. The values with a range mean the run-dependent values. Some uncertainty parameters also depend on experimental conditions. These are used for the estimation of detectable VUV-photon number from the 229mTh.