Table 1 IPDs calculated under plasma conditions related to the Orion experiment and compared with other analytic models and experimental measurements.

\({{T}}_{{{e}} \, }= \text{ 550 eV}\)

\(n_{i} = 1.22 \times 10^{23} \text{cm}^{ - 3}\)

\(n_{0} = 1.45 \times 10^{24} \text{cm}^{ - 3}\)

\({Q}_{n} \, = \text{ 12}\)

Al¹¹⁺

326

190

177

 < 220

Al¹²⁺

353

206

201

 < 256

\({{T}}_{{{e}} \, }= \text{ 700 eV}\)

\(n_{i} = 2.00 \times 10^{23} \text{cm}^{ - 3}\)

\(n_{0} = 2.45 \times 10^{24} \text{cm}^{ - 3}\)

\({Q}_{n }= \text{ 12}\)

Al¹¹⁺

387

224

260

 > 220

Al¹²⁺

419

242

278

 > 256

\({{T}}_{{e}} \, = \text{ 75 eV}\)

\(n_{i} = 3.98 \times 10^{22} \text{cm}^{ - 3}\)

\(n_{0} = 3.00 \times 10^{23} \text{cm}^{ - 3} ,\)

\({Q}_{n} \, = \text{ 8}\)

Mg⁷⁺

130

89

138

132