High‐Resolution Electron‐Impact Emission Spectrum of H ₂ . II. 760–900 A

Abstract

A high-resolution (*j D 95 and 240 FWHM) electron-impactÈinduced emission spectrum of mA , molecular hydrogen has been obtained in the wavelength range 760È900Analysis of the spectrum A .

Quasi-normal modes of a massless scalar field around the 5D Ricci-flat black string

“…According to the quantum potential (18), the QNMs for massless scalar particles propagating in the black string space satisfy the boundary conditions [5] [6]…”

“…So this theory is also called Space-Time-Matter (STM) theory. Meanwhile, in the STM framework, there are many extensive literatures discussing Quantum Dirac Equation [9], Perihelion Problem [10], Kaluza-Klein Solitons [11] [12], Black Hole [13] [14] [15] [16], Solar System Tests [18] and so on.…”

Spectroscopic Evidence for High-Altitude Aurora at Jupiter from Galileo Extreme Ultraviolet Spectrometer and Hopkins Ultraviolet Telescope Observations

“…The sum extends over the fine structure rotational branches for and transitions. F(ε, z) is the electron distribution function in flux units at energy ε and altitude z, Q lX (ε) is the fine structure excitation cross section for a rotational line (or continuum transition) X → l for an electron impact collision of energy ε given by Liu et al (1998 Liu et al (1998Liu et al ( , 2000, and Dziczek et al (2000). The EF, GK, and H states produce cascade excitation to all vibrational levels of the B state.…”

The transition probabilities from the ground state to the excited J = 0 $\sideset{^1}{ _u^+}{\Sigma}$Σu+1 levels of H2: Measurements and ab initio quantum defect study

“…1, 2 The determination of energies and transition probabilities of molecular transitions is of crucial importance for astrophysical studies since it enables the computation of simulated molecular spectra to be carried out. 3 The experimental study of the emission and absorption spectra of H 2 , the smallest neutral molecule, is also of interest in itself, and in the past has triggered advances of molecular theory and modelling. [4][5][6] The absorption spectrum of H 2 in the range of 85-72 nm is a complex many-line spectrum because numerous Rydberg series converging toward various vibration-rotation levels of the H + 2 ion appear superimposed and interleaved.…”