Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Niu, M. L."'
Autor:
Hakalla, R., Niu, M. L., Field, R. W., Heays, A. N., Salumbides, E. J., Stark, G., Lyons, J. R., Eidelsberg, M., Lemaire, J. L., Federman, S. R., de Oliveira, N., Ubachs, W.
The high-resolution B$^1\Sigma^+$ - A$^1\Pi$ (0, 0) and (0, 3) emission bands of the less-abundant $^{13}$C$^{17}$O isotopologue have been investigated by Fourier-transform spectroscopy in the visible region using a Bruker IFS 125HR spectrometer at a
Externí odkaz:
http://arxiv.org/abs/2204.11466
Accurate $EF{}^1\Sigma^+_g-X{}^1\Sigma^+_g$ transition energies in molecular hydrogen were determined for transitions originating from levels with highly-excited vibrational quantum number, $v=11$, in the ground electronic state. Doppler-free two-pho
Externí odkaz:
http://arxiv.org/abs/1609.06751
Autor:
Niu, M. L., Hakalla, R., Trivikram, T. Madhu, Heays, A. N., de Oliveira, N., Salumbides, E. J., Ubachs, and W.
The lowest $v=0$ level of the A$^1\Pi$, state of the $^{13}$C$^{16}$O isotopologue of carbon monoxide has been reinvestigated with a variety of high resolution spectroscopic techniques. The A$^1\Pi-$X$^1\Sigma^+(0,0)$ band has been studied by vacuum-
Externí odkaz:
http://arxiv.org/abs/1607.08007
Carbon monoxide (CO) absorption in the sub-damped Lyman-$\alpha$ absorber at redshift $z_{abs} \simeq 2.69$, toward the background quasar SDSS J123714.60+064759.5 (J1237+0647), was investigated for the first time in order to search for a possible var
Externí odkaz:
http://arxiv.org/abs/1605.09742
Spectroscopy and perturbation analysis of the CO A$^1\Pi-$X$^1\Sigma^+$ (2,0), (3,0) and (4,0) bands
The (2,0) (3,0) and (4,0) bands of the A$^1\Pi-$X$^1\Sigma^+$ system of $^{12}$C$^{16}$O have been re-investigated by high-resolution vacuum ultraviolet absorption spectroscopy. A VUV Fourier-transform spectrometer, illuminated by synchrotron radiati
Externí odkaz:
http://arxiv.org/abs/1510.02509
Precision measurements are performed on highly excited vibrational quantum states of molecular hydrogen. The $v=12, J=0-3$ rovibrational levels of H$_2$ ($X^1\Sigma_g^+$), lying only $2000$ cm$^{-1}$ below the first dissociation limit, were populated
Externí odkaz:
http://arxiv.org/abs/1508.03998
Autor:
Niu, M. L., Heays, A. N., Jones, S., Salumbides, E. J., van Dishoeck, E. F., De Oliveira, N., Nahon, L., Ubachs, W.
Photoabsorption spectra of N$_2$ and CO were recorded at 900K, using the vacuum-ultraviolet Fourier-transform spectrometer at the DESIRS beamline of synchrotron SOLEIL. These high-temperature and high-resolution measurements allow for precise determi
Externí odkaz:
http://arxiv.org/abs/1501.03195
High-precision two-photon Doppler-free frequency measurements have been performed on the CO A$^1\Pi$ - X$^1\Sigma^+$ fourth-positive system (2,0), (3,0), and (4,0) bands. Absolute frequencies of forty-three transitions, for rotational quantum numbers
Externí odkaz:
http://arxiv.org/abs/1501.02080
Autor:
Salumbides, E. J., Niu, M. L., Bagdonaite, J., de Oliveira, N., Joyeux, D., Nahon, L., Ubachs, W.
Publikováno v:
Phys. Rev. A 86, 022510 (2012)
The $\textrm{A}^1\Pi-\textrm{X}^1\Sigma^+$ band system of carbon monoxide, which has been detected in six highly redshifted galaxies ($z=1.6-2.7$), is identified as a novel probe method to search for possible variations of the proton-electron mass ra
Externí odkaz:
http://arxiv.org/abs/1208.4715
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