ترجمه مقاله نقش ضروری ارتباطات 6G با چشم انداز صنعت 4.0
- مبلغ: ۸۶,۰۰۰ تومان
ترجمه مقاله پایداری توسعه شهری، تعدیل ساختار صنعتی و کارایی کاربری زمین
- مبلغ: ۹۱,۰۰۰ تومان
ABSTRACT
Allowed transition energies and eigenstate expansions have been calculated and tabulated in numerical form as functions of the electric field gradient asymmetry parameter for the zero field Hamiltonian of quadrupolar nuclides with I = 3/2, 5/2, 7/2, and 9/2. These results are essential to interpret nuclear quadrupole resonance (NQR) spectra and extract accurate values of the electric field gradient tensors. Applications of NQR methods to studies of electronic structure in heavy element systems are proposed
4. Conclusion
Tables 1–4 provide data required to interpret NQR spectra and determine EFG tensors from the experimentally measured transition frequencies. Complications in the analysis can arise when spectra are incomplete or ambiguous: lines may be missing because of unfavorable relaxation times or frequencies that lie outside the bandwidth of the spectrometer; the order of resonances might be scrambled due to crossing of transition energies; extra lines may be present from forbidden transitions. In such cases, the energy functions and eigenstate expansions shown in Figs. 1–8 can be essential in resolving uncertainties and assigning lines to the correct transitions.