Kumar, R., Wood, D., Frouin, M., Plackett, R., Osborne, C., Hill, M. A., & Schwenninger, J. L. (2026). Preparing Timepix3 for deployment in low-radioactivity natural settings: an integrated workflow for charged particle detection and imaging. Journal of Instrumentation, 21(01), C01010.

Duval, M., del Val, M., Escarza, M. J. A., Arnold, L. J., Demuro, M., Guilarte, V., Kumar, R., ... & López, G. I. (2024). A new reference block for field gamma spectrometry applications in ESR and luminescence dating. Ancient TL, 42(2), 3-13.

Sontag-González, M., Kumar, R., Schwenninger, J. L., Thieme, J., Kreutzer, S., & Frouin, M. (2024). Synchrotron-based elemental mapping of single grains to investigate variable infrared-radiofluorescence emissions for luminescence dating. Geochronology, 6, 77–88.

Kumar, R., Kook, M., & Jain, M. (2022). Does hole instability cause anomalous fading of luminescence in feldspar? Journal of Luminescence, 252, 119403.

Kumar, R., Frouin, M., Gazack, J., & Schwenninger, J. L. (2022). OxGamma: A MATLAB-based application for the analysis of gamma-ray spectra. Radiation Measurements, 154, 106761.

Riedesel, S., Kumar, R., Duller, G. A. T., Roberts, H. M., Bell, A. M. T., & Jain, M. (2021). Site-selective characterisation of electron trapping centres in relation to chemistry, structural state, and mineral phases present in single crystal alkali feldspars. Journal of Physics D: Applied Physics, 54(38), 385107.

Kumar, R., Kook, M., & Jain, M. (2021). Sediment dating using infrared photoluminescence. Quaternary Geochronology, 62, 101147.

Menon, S. G., Kunti, A. K., Kulkarni, S. D., Kumar, R., Jain, M., Poelman, D., & Swart, H. C. (2020). A new microwave approach for the synthesis of green emitting Mn2+-doped ZnAl2O4: A detailed study on its structural and optical properties. Journal of Luminescence, 226, 117482.

Kumar, R., Martin, L. I. D. J., Poelman, D., Vandenberghe, D., De Grave, J., Kook, M., & Jain, M. (2020). Site-selective mapping of metastable states using electron-beam induced luminescence microscopy. Scientific reports, 10(1), 1-14.

Jain, M., Kumar, R., & Kook, M. (2020). A novel coupled RPL/OSL system to understand the dynamics of the metastable states. Scientific reports, 10(1), 1-15.

Kumar, R., Kook, M., & Jain, M. (2020). Understanding the metastable states in K-Na aluminosilicates using novel site-selective excitation-emission spectroscopy. Journal of Physics D: Applied Physics, 53(46), 465301.

Niyonzima, P., Sawakuchi, A. O., Jain, M., Kumar, R., Mineli, T. D., del Río, I., & Pupim, F. N. (2020). Radiofluorescence of quartz from rocks and sediments and its correlation with thermoluminescence and optically stimulated luminescence sensitivities. Ancient TL, 38(1), 11-20.

Kumar, R. (2019). A new understanding of luminescence processes in feldspar using novel site-selective spectroscopic techniques (Ph.D. thesis, Technical University of Denmark).

Riedesel, S., King, G. E., Prasad, A. K., Kumar, R., Finch, A. A., & Jain, M. (2019). Optical determination of the width of the band-tail states, and the excited and ground state energies of the principal dosimetric trap in feldspar. Radiation Measurements, 125, 40-51.

Kumar, R., Kook, M., Murray, A. S., & Jain, M. (2018). Towards direct measurement of electrons in metastable states in K-feldspar: Do infrared-photoluminescence and radioluminescence probe the same trap? Radiation Measurements. Volume 120, 2018, Pages 7-13, ISSN 1350-4487.

Kook, M., Kumar, R., Murray, A. S., Thomsen, K. J., & Jain, M. (2018). Instrumentation for the non-destructive optical measurement of trapped electrons in feldspar. Radiation Measurements, 120, 247-252.

Marah, D., Kumar, P., Asghar, H., Keshri, S., Kumar, R., & Mcinerney, J. G. (2015). Pulse Characteristics of Passively Mode-locked Dual-section Quantum-dash Laser Subjected to Optical Feedback. http://ispald.web2.ncku.edu.tw/bin/home.php, CentraleSupélec Metz, France.