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AuthorTitleYearJournal/ProceedingsReftypeDOI/URL
Beck, M., Visser, B., Bornhauser, P., Knopp, G., van Bokhoven, J.A. and Radi, P.P. Rovibrational Characterization of High-Lying Electronic States of Cu2 by Double-Resonant Nonlinear Spectroscopy 2017 The Journal of Physical Chemistry A  article DOI URL 
Bornhauser, P., Visser, B., Beck, M., Knopp, G., van Bokhoven, J.A., Marquardt, R. and Radi, P.P. Experimental and theoretical investigation of the vibrational band structure of the 1 Πu5−1 Πg5 high-spin system of C2 2017 The Journal of Chemical Physics
Vol. 146(11), pp. 114309 
article DOI URL 
Kouzov, A., Radi, P., Filippov, N. and Sinyakova, T. Helicity-induced shapes of resonant four-wave mixing responses from photofragments 2017 Journal of Physics: Conference Series
Vol. 810(1), pp. 012019 
article DOI URL 
Kouzov, A.P. and Radi, P.P. Line space theory of Resonant Four-Wave Mixing: New prospects for all-optical studies of photofragment states 2017 Chemical Physics Letters
Vol. 673, pp. 103-107 
article DOI URL 
Milne, C.J., Beaud, P., Deng, Y., Erny, C., Follath, R., Flechsig, U., Hauri, C.P., Ingold, G., Juranic, P., Knopp, G., Lemke, H., Pedrini, B., Radi, P. and Patthey, L. Opportunities for Chemistry at the SwissFEL X-ray Free Electron Laser 2017 Chimia
Vol. 71(5), pp. 299-307 
article DOI  
Milne, C.J., Schietinger, T., Aiba, M., Alarcon, A., Alex, J., Anghel, A., Arsov, V., Beard, C., Beaud, P., Bettoni, S., Bopp, M., Brands, H., Brönnimann, M., Brunnenkant, I., Calvi, M., Citterio, A., Craievich, P., Csatari Divall, M., Dällenbach, M., D’Amico, M., Dax, A., Deng, Y., Dietrich, A., Dinapoli, R., Divall, E., Dordevic, S., Ebner, S., Erny, C., Fitze, H., Flechsig, U., Follath, R., Frei, F., Gärtner, F., Ganter, R., Garvey, T., Geng, Z., Gorgisyan, I., Gough, C., Hauff, A., Hauri, C.P., Hiller, N., Humar, T., Hunziker, S., Ingold, G., Ischebeck, R., Janousch, M., Juranić, P., Jurcevic, M., Kaiser, M., Kalantari, B., Kalt, R., Keil, B., Kittel, C., Knopp, G., Koprek, W., Lemke, H.T., Lippuner, T., Llorente Sancho, D., Löhl, F., Lopez-Cuenca, C., Märki, F., Marcellini, F., Marinkovic, G., Martiel, I., Menzel, R., Mozzanica, A., Nass, K., Orlandi, G.L., Ozkan Loch, C., Panepucci, E., Paraliev, M., Patterson, B., Pedrini, B., Pedrozzi, M., Pollet, P., Pradervand, C., Prat, E., Radi, P., Raguin, J.-Y., Redford, S., Rehanek, J., Réhault, J., Reiche, S., Ringele, M., Rittmann, J., Rivkin, L., Romann, A., Ruat, M., Ruder, C., Sala, L., Schebacher, L., Schilcher, T., Schlott, V., Schmidt, T., Schmitt, B., Shi, X., Stadler, M., Stingelin, L., Sturzenegger, W., Szlachetko, J., Thattil, D., Treyer, D.M., Trisorio, A., Tron, W., Vetter, S., Vicario, C., Voulot, D., Wang, M., Zamofing, T., Zellweger, C., Zennaro, R., Zimoch, E., Abela, R., Patthey, L. and Braun, H.-H. SwissFEL: The Swiss X-ray Free Electron Laser 2017 Applied Sciences
Vol. 7(7), pp. 720 
article DOI URL 
Visser, B., Beck, M., Bornhauser, P., Knopp, G., van Bokhoven, J.A., Marquardt, R., Gourlaouen, C. and Radi, P.P. Identification of a new low energy 1 $_u$ state in dicopper with resonant four-wave mixing 2017 The Journal of Chemical Physics
Vol. 147(21), pp. 214308 
article DOI URL 
Kiefer, J., Materny, A., Moger, J., Offerhaus, H.L., Radi, P.P., Volkmer, A. and Zheltikov, A.M. Advances in nonlinear optical spectroscopies: a historical perspective of developments and applications presented at ECONOS: Advances in nonlinear optical spectroscopies 2016 Journal of Raman Spectroscopy
Vol. 47(9), pp. 1111-1123 
article DOI URL 
Visser, B., Beck, M., Bornhauser, P., Knopp, G., Gerber, T., Abela, R., van Bokhoven, J.A. and Radi, P.P. Unraveling the structure of transition metal dimers using four-wave mixing 2016 Journal of Raman Spectroscopy
Vol. 47(4), pp. 425-431 
article DOI URL 
Bornhauser, P., Marquardt, R., Gourlaouen, C., Knopp, G., Beck, M., Gerber, T., Bokhoven, J.A.v. and Radi, P.P. Perturbation-facilitated detection of the first quintet-quintet band in C2 2015 Journal of Chemical Physics
Vol. 142(9), pp. 094313 
article DOI URL 
Liu, Y., Gerber, T., Radi, P. and Knopp, G. Ultrafast imaging of electronic relaxation in n-propylbenzene: Direct observation of intermediate state 2015 Spectrochmica acta part A - Molecular and biomolecular spectroscopy
Vol. 149, pp. 54-58 
article DOI  
Kouzov, A. and Radi, P. Line-space description of resonant four-wave mixing: Theory for isotropic molecular states 2014 The Journal of Chemical Physics
Vol. 140(19), pp. 194302 
article DOI URL 
Kouzov, A., Radi, P., Maksyutenko, P. and Kozlov, D. Resonant four-wave mixing spectra: A fresh look at photodissociation dynamics 2014 Journal of Physics: Conference Series
Vol. 548(1), pp. 012016 
article DOI URL 
Liu, Y., Gerber, T., Sych, Y., Radi, P. and Knopp, G. Real-time observation of ultrafast internal conversion in ethylbenzene by femtosecond time-resolved photoelectron imaging: erratum 2014 Optics Express
Vol. 22(8), pp. 9115-9115 
article DOI URL 
Liu, Y., Radi, P., Gerber, T. and Knopp, G. Study on the ultrafast dynamics of o-xylene cation by combined fs-photoelectron imaging-photofragmentation spectroscopy 2014 Chemical Physics
Vol. 442, pp. 48-52 
article DOI URL 
Liu, Y., Gerber, T., Radi, P., Sych, Y. and Knopp, G. Switching the vibrational excitation of a polyatomic ion in multi-photon strong field ionization 2014 Chemical Physics Letters
Vol. 610–611, pp. 153-158 
article DOI URL 
Moger, J. and Radi, P. Development and applications of nonlinear optical spectroscopy: 11th ECONOS/32nd ECW meeting in Exeter (UK) 2014 Journal of Raman Spectroscopy
Vol. 45(7), pp. 487-488 
article DOI URL 
Bornhauser, P., Sych, Y., Knopp, G., Gerber, T. and Radi, P. Re-visiting the observation of the vibronic sequence of the C2 Swan system 2013 Chemical Physics Letters
Vol. 572, pp. 16-20 
article DOI URL 
Gerber, T., Liu, Y., Knopp, G., Hemberger, P., Bodi, A., Radi, P. and Sych, Y. Charged particle velocity map image reconstruction with one-dimensional projections of spherical functions 2013 Review of Scientific Instruments
Vol. 84(3), pp. 033101-033101-10 
article DOI URL 
Kiefer, J. and Radi, P. Development and applications of nonlinear optical spectroscopy: the joint 11th ECONOS and 31st ECW meeting in Aberdeen, Scotland 2013 Journal of Raman Spectroscopy
Vol. 44(10), pp. 1317-1318 
article DOI URL 
Kozlov, D., Sadovskii, D. and Radi, P. Laser-induced grating spectroscopy of highly excited overtone and combination vibrational states of methane 2013 Journal of Molecular Spectroscopy
Vol. 291, pp. 23-32 
article DOI URL 
Liu, Y., Gerber, T., Sych, Y., Radi, P. and Knopp, G. Real-time observation of ultrafast internal conversion in ethylbenzene by femtosecond time-resolved photoelectron imaging 2013 Optics Express
Vol. 21(14), pp. 16639 
article DOI URL 
Liu, Y., Knopp, G., Hemberger, P., Sych, Y., Radi, P., Bodi, A. and Gerber, T. Ultrafast imaging of electronic relaxation in o-xylene: a new competing intersystem crossing channel 2013 Physical Chemistry Chemical Physics
Vol. 15(41), pp. 18101-18107 
article DOI URL 
Maksyutenko, P., Radi, P.P., Kozlov, D.N. and Kouzov, A.P. Polarization- and time-resolved DFWM spectroscopy of the A 2Σ+− X 2Π (0,0) band transitions of nascent OH radicals generated by 266 nm laser photolysis of H2O2 2013 Journal of Raman Spectroscopy
Vol. 44(10), pp. 1349-1355 
article DOI URL 
Sych, Y., Bornhauser, P., Knopp, G., Liu, Y., Gerber, T., Marquardt, R. and Radi, P.P. Perturbation facilitated two-color four-wave-mixing spectroscopy of C3 2013 The Journal of Chemical Physics
Vol. 139(15), pp. 154203 
article DOI URL 
Offerhaus, H.L., Radi, P. and Otto, C. Development and applications of nonlinear optical spectroscopy: 10th ECONOS/30th ECW meeting in Enschede, The Netherlands 2012 Journal of Raman Spectroscopy
Vol. 43(5), pp. 593-594 
article DOI URL 
Bornhauser, P., Sych, Y., Knopp, G., Gerber, T. and Radi, P.P. Shedding light on a dark state: The energetically lowest quintet state of C2 2011 The Journal of Chemical Physics
Vol. 134(4), pp. 044302 
article DOI URL 
Knopp, G., Radi, P.P. and Gerber, T. Dispersed fs-FWM for Investigations of Low Frequency Vibrations of Transient Species in Combustion 2011 CHIMIA International Journal for Chemistry
Vol. 65(5), pp. 339-341 
article DOI URL 
Knopp, G., Radi, P.P., Sych, Y. and Gerber, T. Dissection of dispersed off-resonant femtosecond degenerate four‐wave mixing of O2 2011 Journal of Raman Spectroscopy
Vol. 42(10), pp. 1848-1853 
article DOI URL 
Materny, A. and Radi, P.P. Development and applications of nonlinear optical spectroscopy – 9th ECONOS / 29th ECW meeting in Bremen, Germany 2011 Journal of Raman Spectroscopy
Vol. 42(10), pp. 1825-1827 
article DOI URL 
Bornhauser, P., Knopp, G., Gerber, T. and Radi, P. Deperturbation study of the d3[Pi]g,v'=4d3[Pi]g,v'=4 state of C2 by applying degenerate and two-color resonant four-wave mixing 2010 Journal of Molecular Spectroscopy
Vol. 262(2), pp. 69-74 
article DOI URL 
Chauhan, R., Mazzotti, F.J., Raghunandan, R., Tulej, M., Radi, P.P. and Maier, J.P. Rotationally Resolved Ground State Vibrational Levels of HC2S Studied by Two-Color Resonant Four-Wave Mixing† 2010 The Journal of Physical Chemistry A
Vol. 114(9), pp. 3329-3333 
article DOI URL 
Meisinger, M., Schulenburg, A.M., Merkt, F. and Radi, P.P. Rotationally resolved spectroscopy and dynamics of the 3px 1A2 Rydberg state of formaldehyde 2010 Physical Chemistry Chemical Physics  article DOI URL 
Sadovskií, D.A., Kozlov, D.N. and Radi, P.P. Direct absorption transitions to highly excited polyads 8, 10, and 12 of methane 2010 Physical Review A
Vol. 82(1), pp. 012503 
article DOI URL 
Tulej, M., Knopp, G., Gerber, T. and Radi, P.P. Degenerate and two-color resonant four-wave mixing of C2- in a molecular beam environment 2010 Journal of Raman Spectroscopy
Vol. 41(8), pp. 853-858 
article DOI URL 
Volkmer, A., Radi, P.P., Zheltikov, A.M. and Zumbusch, A. New trends and recent advances in coherent Raman microscopy and nonlinear optical spectroscopy: introduction to the special issue 2009 Journal of Raman Spectroscopy
Vol. 40(7), pp. 712-713 
article DOI URL 
Walser, A.M., Meisinger, M., Radi, P.P., Gerber, T. and Knopp, G. Resonant UV-fs-TCFWM spectroscopy on formaldehyde 2009 Physical Chemistry Chemical Physics
Vol. 11(38), pp. 8456-8466 
article URL 
Kozlov, D.N. and Radi, P.P. Detection of vibrational overtone excitation in methane by laser-induced grating spectroscopy 2008 Journal of Raman Spectroscopy
Vol. 39(6), pp. 730-738 
article DOI URL 
Mazzotti, F.J., Chauhan, R., Jamshidi, Z., Tulej, M., Radi, P.P. and Maier, J.P. The [tildeA]2Pi(3/2) - [tildeX] 2Pi(3/2) electronic transition of HC4S isotopologues 2008 Molecular Physics
Vol. 106(24), pp. 2709 
article DOI URL 
Mazzotti, F.J., Achkasova, E., Chauhan, R., Tulej, M., Radi, P.P. and Maier, J.P. Electronic spectra of radicals in a supersonic slit-jet discharge by degenerate and two-color four-wave mixing 2008 Physical Chemistry Chemical Physics
Vol. 10(1), pp. 136-141 
article URL 
Schulenburg, A.M., Meisinger, M., Radi, P.P. and Merkt, F. The formaldehyde cation: Rovibrational energy level structure and Coriolis interaction near the adiabatic ionization threshold 2008 Journal of Molecular Spectroscopy
Vol. 250, pp. 44-50 
article URL 
Zheltikov, A.M. and Radi, P.P. New developments in nonlinear spectroscopy: ECONOS meeting in St. Petersburg 2008 Journal of Raman Spectroscopy
Vol. 39(6), pp. 692-693 
article DOI URL 
Mazzotti, F.J., Achkasova, E., Chauhan, R., Tulej, M., Radi, P.P. and Maier, J.P. Electronic spectra of radicals in a supersonic slit-jet discharge by degenerate and two-color four-wave mixing 2007 Physical Chemistry Chemical Physics
Vol. 10(1), pp. 136-141 
article DOI URL 
Tulej, M., Meisinger, M., Knopp, G., Walser, A.M., Gerber, T. and Radi, P.P. Multiplex spectroscopy of stable and transient species in a molecular beam 2007 Journal of Raman Spectroscopy
Vol. 38(8), pp. 1022-1031 
article DOI URL 
Walser, A.M., Beaud, P., Radi, P.P., Tulej, M., Gerber, T. and Knopp, G. Time-resolved investigation of the nu1 ro-vibrational Raman band of H2CO with fs-CARS 2007 Journal of Raman Spectroscopy
Vol. 38(2), pp. 147-153 
article DOI URL 
Zheltikov, A.M. and Radi, P.P. ECONOS in the epoch of CARS renaissance 2007 Journal of Raman Spectroscopy
Vol. 38(8), pp. 960-962 
article DOI URL 
Cannavo, D., Knopp, G., Radi, P., Beaud, P., Tulej, M., Bodek, P., Gerber, T. and Wokaun, A. Neutral molecular ZnX (X=O, OH, N) compounds in a molecular beam 2006 Journal of Molecular Structure
Vol. 782(1), pp. 67-72 
article DOI URL 
Radi, P.P. and Zheltikov, A.M. New developments in non-linear optical spectroscopy 2006 Journal of Raman Spectroscopy
Vol. 37(6), pp. 630-632 
article DOI URL 
Tulej, M., Meisinger, M., Knopp, G., Walser, A.M., Beaud, P., Gerber, T. and Radi, P.P. Comparative study of degenerate four-wave mixing and cavity ringdown signal intensities of formaldehyde in a molecular beam 2006 Journal of Raman Spectroscopy
Vol. 37(6), pp. 680-688 
article DOI URL 
Tulej, M., Meisinger, M., Knopp, G., Walser, A.M., Beaud, P., Gerber, T. and Radi, P.P. Degenerate and two-color resonant four-wave mixing applied to the rotational characterization of high-lying vibrational states of formaldehyde ((A)over-tilde, (1)A(2)) 2006 Journal of Raman Spectroscopy
Vol. 37(1-3), pp. 376-383 
article  
Stampanoni-Panariello, A., Kozlov, D.N., Radi, P.P. and Hemmerling, B. Gas phase diagnostics by laser-induced gratings I. theory 2005 Applied Physics B: Lasers and Optics
Vol. 81(1), pp. 101-111 
article DOI URL 
Stampanoni-Panariello, A., Kozlov, D.N., Radi, P.P. and Hemmerling, B. Gas-phase diagnostics by laser-induced gratings II. Experiments 2005 Applied Physics B: Lasers and Optics
Vol. 81(1), pp. 113-129 
article DOI URL 
Tulej, M., Knopp, G., Beaud, P., Gerber, T. and Radi, P. Photo-fragment excitation spectroscopy (PHOFEX) by DFWM and LIF: propensities for H2CO -textgreater HCO+H near the S-o threshold 2005 JOURNAL OF RAMAN SPECTROSCOPY
Vol. 36(2), pp. 109-115 
article DOI  
Zheltikov, A.M. and Radi, P. Non-linear Raman spectroscopy 75 years after the Nobel Prize for the discovery of Raman scattering and 40 years after the first CARS experiments 2005 Journal of Raman Spectroscopy
Vol. 36(2), pp. 92-94 
article DOI URL 
Beaud, P. and Knopp Collision induced rotational energy transfer. A new scaling law probed by fs CARS 2004 Femtochemistry and femtobiology: ultrafast events in molecular science, pp. 69-72  article  
Beaud, P., Gerber, T., Radi, P.P., Tulej, M. and Knopp, G. Rotationally inelastic collisions between N-2 and rare gases: an extension of the angular momentum scaling law 2003 Chemical Physics Letters
Vol. 373(3-4), pp. 251-257 
article  
Knopp, G., Radi, P., Tulej, M., Gerber, T. and Beaud, P. Collision induced rotational energy transfer probed by time- resolved coherent anti-Stokes Raman scattering 2003 Journal of Chemical Physics
Vol. 118(18), pp. 8223-8233 
article  
Knopp, G., Kirch, K., Beaud, P., Mishima, K., Spitzer, H., Radi, P., Tulej, M. and Gerber, T. Determination of the ortho-/para deuterium concentration ratio with femtosecond CARS 2003 Journal of Raman Spectroscopy
Vol. 34(12), pp. 989-993 
article DOI URL 
Radi, P. and Zheltikov, A. Preface to the second special issue in non-linear Raman spectroscopy and related techniques 2003 Journal of Raman Spectroscopy
Vol. 34(12), pp. 919-921 
article  
Radi, P.P., Tulej, M., Knopp, G., Beaud, P. and Gerber, T. Stimulated emission pumping by two-color resonant four-wave mixing: rotational characterization of vibrationally excited HCO ((X)over-tilde(2)A ') 2003 Journal of Raman Spectroscopy
Vol. 34(12), pp. 1037-1044 
article  
Knopp, G., Beaud, P., Radi, P., Tulej, M., Bougie, B., Cannavo, D. and Gerber, T. Pressure-dependent N-2 Q-branch fs-CARS measurements 2002 JOURNAL OF RAMAN SPECTROSCOPY
Vol. 33(11-12), pp. 861-865 
article DOI  
Radi, P. and Zheltikov, A. Preface to the special issue on non-linear Raman spectroscopy and related techniques 2002 Journal of Raman Spectroscopy
Vol. 33(11-12), pp. 842-843 
article  
Radi, P.P. and Kouzov, A.P. State-resolved collisional energy transfer of OH, NH and H2CO by two-color resonant four-wave mixing spectroscopy 2002 Journal of Raman Spectroscopy
Vol. 33(11-12), pp. 925-933 
article  
Hemmerling, B., Radi, P., Stampanoni-Panariello, A., Kouzov, A. and Kozlov, D. Novel non-linear optical techniques for diagnostics: laser-induced gratings and two-colour four-wave mixing 2001 Comptes Rendus de l'Academie des Sciences - Series IV - Physics
Vol. 2(7), pp. 1001-1012 
article DOI URL 
Frey, H.M., Beaud, P., Gerber, T., Mischler, B., Radi, P.P. and Tzannis, A.P. Determination of rotational constants in a molecule by femtosecond four-wave mixing 2000 Journal of Raman Spectroscopy
Vol. 31(1-2), pp. 71-76 
article DOI URL 
Kouzov, A.P. and Radi, P.P. Collision-induced resonances in two-color resonant four-wave mixing spectra 2000 Physical Review A
Vol. 63(1), pp. 010701 
article DOI URL 
Tzannis, A.P., Lee, J.C., Beaud, P., Frey, H.M., Greber, T., Mischler, B., Radi, P.P. and Boulouchos, K. OH concentration measurements by resonant holographic interferometry and comparison with direct numerical simulations 2000 Flow Turbulence and Combustion
Vol. 64(3), pp. 183-196 
article  
Beaud, P. and Frey Rotational recurrences by single resonant femtosecond degenerate four-wave mixing 1999 Proceedings of the International Conference on LASERS'98textbarProceedings of the International Conference on LASERS'98, pp. 116  article  
Frey, H.M., Beaud, P., Gerber, T., Mischler, B., Radi, P.P. and Tzannis, A.P. Femtosecond nonresonant degenerate four-wave mixing at atmospheric pressure and in a free jet 1999 Applied Physics B-Lasers and Optics
Vol. 68(4), pp. 735-739 
article  
Radi, P., Mischler, B., Schlegel, A., Tzannis, A.-P., Beaud, P. and Gerber, T. Absolute concentration measurements using DFWM and modeling of OH and S2 in a fuel-rich H2/air/SO2 flame 1999 Combustion and Flame
Vol. 118(1–2), pp. 301-307 
article DOI URL 
Radi, P.P., Beaud, P., Franzke, D., Frey, H.-M., Gerber, T., Mischler, B. and Tzannis, A.-P. Femtosecond photoionization of (H2O)n and (D2O)n clusters 1999 The Journal of Chemical Physics
Vol. 111(2), pp. 512 
article DOI URL 
Beaud, P., Radi, P.P., Franzke, D., Frey, H.M., Mischler, B., Tzannis, A.P. and Gerber, T. Picosecond investigation of the collisional deactivation of OH A (2)Sigma(+)(v ' = 1, N ' = 4, 12) in an atmospheric-pressure flame 1998 Applied Optics
Vol. 37(15), pp. 3354-3367 
article  
Radi, P., Beaud, P., Frey, H., Gerber, T., Mischler, B. and Tzannis, A. Analysis of radicals in combustion processes 1997 CHIMIA
Vol. 51(10), pp. 771-776 
article  
Radi, P.P., Frey, H.M., Mischler, B., Tzannis, A.P., Beaud, P. and Gerber, T. Stimulated emission pumping of OH and NH in flames by using two-color resonant four-wave mixing 1997 Chemical Physics Letters
Vol. 265(1-2), pp. 271-276 
article DOI URL 
Tzannis, A.P., Beaud, P., Frey, H.M., Gerber, T., Mischler, B. and Radi, P.P. Phase-conjugate resonant holographic interferometry applied to NH concentration measurements in a two-dimensional diffusion flame 1997 Applied Optics
Vol. 36(30), pp. 7978-7983 
article  
Dreher, H., Gass, J., Suter, P., Mischler, B., Radi, P., Lehmann, B. and Ochs, M. Numerical simulation of the oil combustion process in a 100 kW serially produced low NOx combustion system 1996 Combustion Science and Technology
Vol. 121(1-6), pp. 235-253 
article  
Mischler, B., Beaud, P., Gerber, T., Tzannis, A.P. and Radi, P.P. Degenerate four-wave mixing of S-2 and OH in fuel-rich propane/air/SO2 flames 1996 Combustion Science and Technology
Vol. 119(1-6), pp. 375-393 
article  
Radi, P.P., Mischler, B., Gerber, T., Dreher, H., Lehmann, B. and Ochs, M. Imaging of the reaction zone in a 100 kW oil-burning furnace by use of a broad-band excimer laser 1996 Applied Physics B-Lasers and Optics
Vol. 62(1), pp. 65-69 
article  
Hu, Z., Shen, B., Lombardi, J.R. and Lindsay, D.M. Spectroscopy of mass‐selected tantalum dimers in argon matrices 1992 The Journal of Chemical Physics
Vol. 96(12), pp. 8757-8760 
article DOI URL 
Winter, M., Radi, P.P. and Stampanoni, A. Double phase-conjugate four-wave mixing of oh in flames 1992 Symposium (International) on Combustion
Vol. 24(1), pp. 1645-1652 
article DOI URL 
Winter, M. and Radi, P.P. Nearly degenerate four-wave mixing using phase-conjugate pump beams 1992 Optics Letters
Vol. 17(5), pp. 320-322 
article DOI URL 
Bowers, M.T., Radi, P.P. and Hsu, M.T. Evaporation of Covalent Clusters - Unimolecular Decay of Energized Size Selected Carbon Clusters - Reply 1991 Journal of Chemical Physics
Vol. 94(10), pp. 6934-6935 
article  
Radi, P.P., Vonhelden, G., Hsu, M.T., Kemper, P.R. and Bowers, M.T. Observation of Small Doubly Charged Niobium Clusters 1991 Chemical Physics Letters
Vol. 179(5-6), pp. 531-538 
article  
Radi, P.P., Vonhelden, G., Hsu, M.T., Kemper, P.R. and Bowers, M.T. Thermal Bimolecular Reactions of Size Selected Transition-Metal Cluster Ions - Nbn+ + O2, N = 1-6 1991 International Journal of Mass Spectrometry and Ion Processes
Vol. 109, pp. 49-73 
article  
Radi, P.P., Hsu, M.T., Brodbeltlustig, J., Rincon, M. and Bowers, M.T. Evaporation of Covalent Clusters - Unimolecular Decay of Energized Size-Selected Carbon Cluster Ions (Cn+, 5 Less-Than- or-Equal-to N Less-Than-or-Equal-to 100) 1990 Journal of Chemical Physics
Vol. 92(8), pp. 4817-4822 
article  
Radi, P.P., Hsu, M.-T., Rincon, M.E., Kemper, P.R. and Bowers, M.T. On the structure, reactivity and relative stability of the large carbon cluster ions C+62, C+60 and C+58 1990 Chemical Physics Letters
Vol. 174(3-4), pp. 223-229 
article DOI URL 
Radi, P.P., Rincon, M.E., Hsu, M.T., Brodbeltlustig, J., Kemper, P. and Bowers, M.T. Structure, Reactivity, and Energetics of Covalently Bound Carbon Cluster Ions, C5+ to C11+ - Experiment and Theory 1989 Journal of Physical Chemistry
Vol. 93(16), pp. 6187-6197 
article  
Radi, P., Rincon, M. and Bowers, M.T. Generation and Reactivity of Semiconductor and Metallic Cluster Ions 1988 Abstracts of Papers of the American Chemical Society
Vol. 196, pp. 54 
article  
Radi, P.P., Bunn, T.L., Kemper, P.R., Molchan, M.E. and Bowers, M.T. A New Method for Studying Carbon Clusters in the Gas-Phase - Observation of Size Specific Neutral Fragment Loss from Metastable Reactions of Mass Selected Cn+,N-Less-Than-or-Equal- to-60 1988 Journal of Chemical Physics
Vol. 88(4), pp. 2809-2814 
article  
Kappes, M.M., Schar, M., Radi, P. and Schumacher, E. On the Manifestation of Electronic-Structure Effects in Metal- Clusters 1986 Journal of Chemical Physics
Vol. 84(3), pp. 1863-1875 
article  
Kappes, M., Radi, P., Schar, M., Yeretzian, C. and Schumacher, E. Resonant 2-Photon Ionization Studies on Clusters of Main Group-Metals 1986 Abstracts of papers of the american chemical society
Vol. 191, pp. 90 
article  
Kappes, M.M., Radi, P., Schar, M., Yeretzian, C. and Schumacher, E. Shell Closings and Geometric Structure Effects - a Systematic- Approach to the Interpretation of Abundance Distributions Observed in Photoionization Mass-Spectra for Alkali Cluster Beams 1986 Zeitschrift Fur Physik D-Atoms Molecules and Clusters
Vol. 3(2-3), pp. 115-119 
article  
Kappes, M.M., Radi, P., Schar, M. and Schumacher, E. Photoionization Measurements on Dialkali Monohalides Generated in Supersonic Nozzle Beams 1985 Chemical Physics Letters
Vol. 113(3), pp. 243-248 
article  
Kappes, M.M., Radi, P., Schar, M. and Schumacher, E. Probes for Electronic and Geometrical Shell Structure Effects in Alkali-Metal Clusters - Photoionization Measurements on Kxli, Kxmg and Kxzn (X-Less-Than-25) 1985 Chemical Physics Letters
Vol. 119(1), pp. 11-16 
article  
Kappes, M.M., Radi, P., Schar, M. and Schumacher, E. Probing the Electronic-Structure of Metal-Clusters 1985 Chimia
Vol. 39(6), pp. 187-188 
article  
Radi, P. and Schumacher, E. Numerical-Simulation of Electrophoresis - the Complete Solution for 3 Isotachophoretic Systems 1985 Electrophoresis
Vol. 6(5), pp. 195-200 
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Kappes, M.M., Marti, K.O., Radi, P., Schär, M. and Schumacher, E. Resonant two-photon ionization of LiNa. Observation and preliminary characterization of five new singlet states 1984 Chemical Physics Letters
Vol. 107(1), pp. 6-12 
article DOI URL 
Schumacher, E., Kappes, M., Marti, K., Radi, P., Schar, M. and Schmidhalter, B. Metal-Clusters - Preparation, Properties, Theory 1984 Berichte Der Bunsen-Gesellschaft-Physical Chemistry Chemical Physics
Vol. 88(3), pp. 220-228 
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