Zobrazeno 1 - 10
of 142
pro vyhledávání: '"Tan J., N."'
Autor:
Szypryt, P., O'Neil, G. C., Takacs, E., Tan, J. N., Buechele, S. W., Naing, A. S., Bennett, D. A., Doriese, W. B., Durkin, M., Fowler, J. W., Gard, J. D., Hilton, G. C., Morgan, K. M., Reintsema, C. D., Schmidt, D. R., Swetz, D. S., Ullom, J. N., Ralchenko, Yu.
We report on the design, commissioning, and initial measurements of a Transition-edge Sensor (TES) x-ray spectrometer for the Electron Beam Ion Trap (EBIT) at the National Institute of Standards and Technology (NIST). Over the past few decades, the N
Externí odkaz:
http://arxiv.org/abs/2005.05483
Autor:
O'Neil, G. C., Szypryt, P., Takacs, E., Tan, J. N., Buechele, S. W., Naing, A. S., Joe, Y. I., Swetz, D., Schmidt, D. R., Doriese, W. B., Gard, J. D., Reintsema, C. D., Ullom, J. N., Villarrubia, J. S., Ralchenko, Yu.
We use narrow spectral lines from the x-ray spectra of various highlycharged ions to measure low-energy tail-like deviations from a Gaussian responsefunction in a microcalorimter x-ray spectrometer with Au absorbers at energiesfrom 650 eV to 3320 eV.
Externí odkaz:
http://arxiv.org/abs/2005.05395
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Gillaspy, J. D., Lin, T., Tedesco, L., Tan, J. N., Pomeroy, J. M., Laming, J. M., Brickhouse, N., Chen, G. -X., Silver, E.
Publikováno v:
Astrophysical Journal, 728:132 (2011)
New laboratory measurements using an Electron Beam Ion Trap (EBIT) and an x-ray microcalorimeter are presented for the n=3 to n=2 Fe XVII emission lines in the 15 {\AA} to 17 {\AA} range, along with new theoretical predictions for a variety of electr
Externí odkaz:
http://arxiv.org/abs/1106.2782
Publikováno v:
J.Phys.B 43 (2010) 074002
The nature of the theory of circular Rydberg states of hydrogenlike ions allows highly-accurate predictions to be made for energy levels. In particular, uncertainties arising from the problematic nuclear size correction which beset low angular-moment
Externí odkaz:
http://arxiv.org/abs/1003.3706
Publikováno v:
Phys.Rev.Lett. 100 (2008) 160404
Comparison of precision frequency measurements to quantum electrodynamics (QED) predictions for Rydberg states of hydrogen-like ions can yield information on values of fundamental constants and test theory. With the results of a calculation of a key
Externí odkaz:
http://arxiv.org/abs/0901.4950
Publikováno v:
J Phys B 40, 3861 (2007)
We observed spectra of highly ionized tungsten in the extreme ultraviolet with an electron beam ion trap (EBIT) and a grazing incidence spectrometer at the National Institute of Standards and Technology. Stages of ionization were distinguished by var
Externí odkaz:
http://arxiv.org/abs/0801.2817
Autor:
Ralchenko, Yu., Draganic, I. N., Tan, J. N., Gillaspy, J. D., Pomeroy, J. M., Reader, J., Feldman, U., Holland, G. E.
Publikováno v:
J Phys B 41, 021003 (2008)
We report the first measurements and detailed analysis of extreme ultraviolet (EUV) spectra (4 nm to 20 nm) of highly-charged tungsten ions W$^{54+}$ to W$^{63+}$ obtained with an electron beam ion trap (EBIT). Collisional-radiative modelling is used
Externí odkaz:
http://arxiv.org/abs/0801.2816
Autor:
Gillaspy, J. D., Blagojevic, B., Dalgarno, A., Fahey, K., Kharchenko, V., Laming, J. M., Bigot, E. -O. Le, Lugosi, L., Makonyi, K., Ratliff, L. P., Schnopper, H. W., Silver, E. H., Takacs, E., Tan, J. N., Tawara, H., Tokési, K.
Publikováno v:
14th APS Topical Conference on Atomic Processes in Plasmas, \'{E}tats-Unis d'Am\'{e}rique (2004) 245
After a brief introduction to the NIST EBIT facility, we present the results of three different types of experiments that have been carried out there recently: EUV and visible spectroscopy in support of the microelectronics industry, laboratory astro
Externí odkaz:
http://arxiv.org/abs/physics/0603131
Autor:
Blagojevic, B., Bigot, Eric-Olivier Le, Fahy, K., Aguilar, A., Makonyi, K., Takács, E., Tan, J. N., Pomeroy, J. M., Burnett, J. H., Gillaspy, J. D., Roberts, J. R.
Publikováno v:
Review of Scientific Instruments 76 (2005) 083102
A custom, flat field, extreme ultraviolet EUV spectrometer built specifically for use with low power light sources that operate under ultrahigh vacuum conditions is reported. The spectral range of the spectrometer extends from 4 nm to 40 nm. The inst
Externí odkaz:
http://arxiv.org/abs/physics/0508048