title: Reference wavelengths for strong lines of atomic hydrogen and deuterium.
abstract: Wavelengths of the individual fine-structure components of the n = 1-2 (Ly(alpha)), n = 1-3 (Ly(beta)), n = 1-4 (Ly(gamma)), n = 1-5 (Ly(delta)), n = 1-6 (Ly(epsilon)), n = 1-7 (Ly(zeta)), n = 2-3 (H(alpha)), n = 2-4 (H(beta)), n = 2-5 (H(gamma)), n = 2-6 (H(delta)), and n = 2-7 (H(epsilon)) transitions of H and D are determined from theoretical values for the binding energies. Theoretical line strengths are used to obtain recommended values for the peaks of unresolved blends of these components as likely to be observed with discharge light sources and spectrometers with low to moderate resolution.
authors.affiliation: National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA.
authors.forename: Joseph
authors.initials: J
authors.lastname: Reader
mesh_terms: D003903:Deuterium / Q000032:analysis* / Q000737:chemistry / Q000592:standards*; D006077:Government Agencies; D006859:Hydrogen / Q000032:analysis* / Q000737:chemistry / Q000592:standards*; D012015:Reference Standards; D012016:Reference Values; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D013057:Spectrum Analysis / Q000379:methods* / Q000592:standards*; D014481:United States
chemical_list: D006859:Hydrogen; D003903:Deuterium