Research output per year
Research output per year
- 20 results
Search results
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2026
Hyperfine structure investigation of spectral lines of the praseodymium atom in the visible spectral region
Başar, G., Başar, G., Windholz, L. & Guthöhrlein, G. H., Mar 2026, In: Journal of Quantitative Spectroscopy and Radiative Transfer. 351, 12 p., 109799.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
2023
Experimental evidence for the existence of two neighboring Pr I energy levels for which J is not a good quantum number
Siddiqui, I. & Windholz, L., Sept 2023, In: Journal of Quantitative Spectroscopy & Radiative Transfer. 305, 108596.Research output: Contribution to journal › Article › peer-review
Open AccessFile -
2021
Discovery of new even-parity fine structure levels of Pr I with angular momenta 1/2, 3/2, and 5/2
Siddiqui, I., Shamim, K., Iqbal, S. T. & Windholz, L., Jun 2021, In: Journal of Quantitative Spectroscopy & Radiative Transfer. 267, 10 p., 107619.Research output: Contribution to journal › Article › peer-review
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New odd-parity fine structure levels of Pr I with J = 1/2, 3/2 and 5/2
Siddiqui, I., Shamim, K., Iqbal, S. T. & Windholz, L., Sept 2021, In: Journal of Quantitative Spectroscopy & Radiative Transfer. 272, 15 p., 107832.Research output: Contribution to journal › Article › peer-review
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2018
Magnetic splitting of lines of Pr I
Sobolewski, Ł. M., Windholz, L. & Kwela, J., 2018, In: Journal of Quantitative Spectroscopy & Radiative Transfer. 219, p. 399 - 404Research output: Contribution to journal › Article › peer-review
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2017
Experimental Investigation of the Hyperfine Structure of Neutral Praseodymium Spectral Lines and Discovery of New Energy Levels
Khan, S., Siddiqui, I., Uddin, Z., Guthöhrlein, G., Windholz, L. & Tanweer Iqbal, S., Jan 2017, In: International Journal of Chemistry. 9, 1, p. 7-29 23 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Revised Landé gJ-factors of some 141Pr II levels using collinear laser ion beam spectroscopy
Werbowy, S. & Windholz, L., Jan 2017, In: Journal of Quantitative Spectroscopy & Radiative Transfer. 187, p. 267-273 7 p.Research output: Contribution to journal › Article › peer-review
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The Role of the Hyperfine Structure for the Determination of Improved Level Energies of Ta II, Pr II and La II
Windholz, L., 28 Feb 2017, In: Atoms. 5, 10, 14 p.Research output: Contribution to journal › Article › peer-review
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2015
Classification of some blended spectral lines of praseodymium
Zaheer, U., Imran, S., Jaweria, T., Saif Uddin, J. & Windholz, L., 2015, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 48, 13, p. 135001-135008Research output: Contribution to journal › Article › peer-review
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2014
Experimental investigation of the hyperfine spectra of Pr I-lines: Discovery of new fine structure levels with high angular momentum
Siddiqui, I. A., Khan, S. & Windholz, L., 2014, In: The European Physical Journal D. 68, 10 p., 122.Research output: Contribution to journal › Article › peer-review
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Zeeman effect of hyperfine-resolved spectral lines of singly ionized praseodymium using collinear laser–ion-beam spectroscopy
Werbowy, S., Kwela, J., Anjum, N., Hühnermann, H. & Windholz, L., 2014, In: Physical Review A. 90, p. 032515-1-032515-6Research output: Contribution to journal › Article › peer-review
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2013
Modelling of emission spectra of Pr I by summarizing hyperfine patterns of overlapping spectral lines
Gamper, B., Khan, S., Siddiqui, I. A. & Windholz, L., 2013, In: European Physical Journal: Special Topics. 222, p. 2171-2178Research output: Contribution to journal › Article › peer-review
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2012
A study of hyperfine transitions of singly ionized praseodymium (141Pr+) using collinear laser ion beam spectroscopy
Akhtar, N., Anjum, N., Hühnermann, H. & Windholz, L., 2012, In: The European Physical Journal D. 66, 10, 11 p., 264.Research output: Contribution to journal › Article › peer-review
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Improved energy levels and wavelengths of Pr II from a high-resolution Fourier transform spectrum
Akhtar, N. & Windholz, L., 2012, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 45, 9, 095001.Research output: Contribution to journal › Article › peer-review
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Investigation of Pr I lines by a simulation of their hyperfine patterns: discovery of new levels
Uddin, Z., Zafar, R., Sikander, R., Siddiqui, I. A., Shamim, K. & Windholz, L., 2012, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 45, 20, 205001.Research output: Contribution to journal › Article › peer-review
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Laser Spectroscopic Investigations of Praseodymium I Transitions: New Energy Levels
Uddin, Z., El Bakkali, D., Gamper, B., Khan, S., Siddiqui, I. A., Guthöhrlein, G. & Windholz, L., 2012, In: Advances in Optical Technologies. 2012, 34 p., 639126.Research output: Contribution to journal › Article › peer-review
Open Access -
New Levels of the Pr Atom with Almost Similar Energies
Zaheer, U., Siddiqui, I. A., Khan, S., Gamper, B., Windholz, L. & Abdul-Hafidh, E. H., 2012, In: Journal of Physical Science and Application. 2, p. 88-94Research output: Contribution to journal › Article
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2011
Experimental investigation of the hyperfine spectra of Pr I – lines: discovery of new fine structure levels with low angular momentum
Shamim, K., Siddiqui, I. A. & Windholz, L., 2011, In: The European Physical Journal D. 64, 2-3, p. 209-220Research output: Contribution to journal › Article › peer-review
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Investigation of the hyperfine structure of Pr I and Pr II lines based on highly resolved Fourier transform spectra
Gamper, B., Uddin, Z., Jahangir, M., Allard, O., Knöckel, H., Tiemann, E. & Windholz, L., 2011, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 44, p. 045003-045009Research output: Contribution to journal › Article › peer-review
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New even and odd parity levels of neutral praseodymium
Syed, T. I., Siddiqui, I. A., Shamim, K., Uddin, Z., Guthöhrlein, G. H. & Windholz, L., 2011, In: Physica Scripta. 84, p. 065303-065315Research output: Contribution to journal › Article › peer-review