E Peters, S Reinhardt, Th. W Hänsch and Th. Udem. Absolute frequency and isotope shift of the magnesium $(3s^2)^1S_0\rightarrow(3s3d)^1D_2$ two-photon transition by direct frequency-comb spectroscopy.

*Phys. Rev. A*92:063403, December 2015. URL, DOI BibTeX@article{peters2015, title = "Absolute frequency and isotope shift of the magnesium $(3{s}^{2})^{1}{S}_{0}{\rightarrow}(3s3d)^{1}{D}_{2}$ two-photon transition by direct frequency-comb spectroscopy", author = {Peters, E. and Reinhardt, S. and H\"ansch, Th. W. and Udem, Th.}, journal = "Phys. Rev. A", volume = 92, issue = 6, pages = 063403, numpages = 6, year = 2015, month = "Dec", publisher = "American Physical Society", doi = "10.1103/PhysRevA.92.063403", url = "http://link.aps.org/doi/10.1103/PhysRevA.92.063403" }

B Botermann, D Bing, C Geppert, G Gwinner, T ~W {Hänsch}, G Huber, S Karpuk, A Krieger, T {Kühl}, W {Nörtershäuser}, C Novotny, S Reinhardt, R {Sánchez}, D Schwalm, T {Stöhlker}, A Wolf and G Saathoff. {Erratum: Test of Time Dilation Using Stored Li$^+$ Ions as Clocks at Relativistic Speed [Phys. Rev. Lett. 113, 120405 (2014)]}.

*Physical Review Letters*114(23):239902, 2015. DOI BibTeX@article{botermann2015, author = {{Botermann}, B. and {Bing}, D. and {Geppert}, C. and {Gwinner}, G. and {H{\"a}nsch}, T.~W. and {Huber}, G. and {Karpuk}, S. and {Krieger}, A. and {K{\"u}hl}, T. and {N{\"o}rtersh{\"a}user}, W. and {Novotny}, C. and {Reinhardt}, S. and {S{\'a}nchez}, R. and {Schwalm}, D. and {St{\"o}hlker}, T. and {Wolf}, A. and {Saathoff}, G.}, title = "{Erratum: Test of Time Dilation Using Stored Li$^{+}$ Ions as Clocks at Relativistic Speed [Phys. Rev. Lett. 113, 120405 (2014)]}", journal = "Physical Review Letters", keywords = "Special relativity, Positive-ion beams, Laser spectroscopy, Errata", year = 2015, month = "", volume = 114, number = 23, eid = 239902, pages = 239902, doi = "10.1103/PhysRevLett.114.239902", adsurl = "http://adsabs.harvard.edu/abs/2015PhRvL.114w9902B", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

S {Reinhardt, S Hartmann and R } Pimpl. FULL SPECTRUM ANALYSIS IN ENVIRONMENTAL MONITORING.

*atw International Journal for Nuclear Power*60:381-383, 2015. BibTeX@article{reinhardt2015, title = "FULL SPECTRUM ANALYSIS IN ENVIRONMENTAL MONITORING", author = "{{Reinhardt}, S. and {Hartmann}, S. and {Pimpl}, R.}", journal = "atw International Journal for Nuclear Power", volume = 60, issue = 6, pages = "381-383", year = 2015 }

Benjamin Botermann, Dennis Bing, Christopher Geppert, Gerald Gwinner, Theodor W Hänsch, Gerhard Huber, Sergei Karpuk, Andreas Krieger, Thomas Kühl, Wilfried Nörtershäuser, Christian Novotny, Sascha Reinhardt, Rodolfo Sánchez, Dirk Schwalm, Thomas Stöhlker, Andreas Wolf and Guido Saathoff. Test of Time Dilation Using Stored Li$^+$ Ions as Clocks at Relativistic Speed.

*Phys. Rev. Lett.*113:120405, September 2014. URL, DOI BibTeX@article{botermann2014, title = "Test of Time Dilation Using Stored Li$^+$ Ions as Clocks at Relativistic Speed", author = {Botermann, Benjamin and Bing, Dennis and Geppert, Christopher and Gwinner, Gerald and H\"ansch, Theodor W. and Huber, Gerhard and Karpuk, Sergei and Krieger, Andreas and K\"uhl, Thomas and N\"ortersh\"auser, Wilfried and Novotny, Christian and Reinhardt, Sascha and S\'anchez, Rodolfo and Schwalm, Dirk and St\"ohlker, Thomas and Wolf, Andreas and Saathoff, Guido}, journal = "Phys. Rev. Lett.", volume = 113, issue = 12, pages = 120405, numpages = 5, year = 2014, month = "Sep", publisher = "American Physical Society", doi = "10.1103/PhysRevLett.113.120405", url = "http://link.aps.org/doi/10.1103/PhysRevLett.113.120405" }

S Reinhardt, S Hartmann and R Pimpl. FULL SPECTRUM ANALYSIS IN ENVIRONMENTAL MONITORING. In

*ENC 2014: Proceedings 11-14 May 2014 Marseille, France (ISBN 978-92-95064-21-8)*. 2014, 597-603. BibTeX@inproceedings{ENC2014, author = "{Reinhardt}, S. and {Hartmann}, S. and {Pimpl}, R.", title = "{FULL SPECTRUM ANALYSIS IN ENVIRONMENTAL MONITORING}", booktitle = "ENC 2014: Proceedings 11-14 May 2014 Marseille, France (ISBN 978-92-95064-21-8)", year = 2014, month = "", pages = "597-603" }

Sascha Reinhardt. FULL SPECTRUM ANALYSIS IN ENVIRONMENTAL MONITORING.

*Radiation Protection Dosimetry*160:311-317, 2014. DOI BibTeX@article{Reinhardt29042014, author = "Reinhardt, Sascha", title = "FULL SPECTRUM ANALYSIS IN ENVIRONMENTAL MONITORING", year = 2014, doi = "10.1093/rpd/ncu144", abstract = "In environmental radiation monitoring, the time-variable natural gamma radiation background complicates the nuclide identification and analysis of a gamma spectrum. A full spectrum analysis based on the noise adjusted singular value decomposition method for the description of the time-variable background and adjustment calculations is a possible analysis method, which may provide advantages compared with a peak-based analysis, if applied to a time series of gamma spectra. An analysis example is shown and discussed with a measured time series of gamma spectra obtained from a spectroscopic gamma detector with a NaI(Tl) scintillator as it is used in the environmental radiation monitoring.", journal = "Radiation Protection Dosimetry", volume = 160, pages = "311-317" }

S Haslsperger, S Gr"unsteidl, S Reinhardt, C Vodermayer and G Becker. Detailed Simulation and Investigation of Mismatch Losses for CdTe Thin Film PV Modules. In

*27th European Photovoltaic Solar Energy Conference and Exhibition (ISBN 3-936338-28-0)*. September 2012, 4150-4153. DOI BibTeX@inproceedings{PVSEC2012Se, author = {{Haslsperger}, S. and {Gr"unsteidl}, S. and {Reinhardt}, S. and {Vodermayer}, C. and {Becker}, G.}, title = "{Detailed Simulation and Investigation of Mismatch Losses for CdTe Thin Film PV Modules}", booktitle = "27th European Photovoltaic Solar Energy Conference and Exhibition (ISBN 3-936338-28-0)", year = 2012, month = "sep", pages = "4150-4153", doi = "10.4229/27thEUPVSEC2012-5AV.2.43" }

S Haslsperger, S Gr"unsteidl, S Reinhardt, C Vodermayer and G Becker. Detaillierte Simulation und Untersuchung des Mismatchverhaltens von CdTe-D"unnschichtmodulen basierend auf Realkennlinien.

*Poster 27 Symposium Photovoltaische Solarenergie, Bad Staffelstein, Germany*, March 2012. BibTeX@article{BadStaffelstein2012Se, author = {{Haslsperger}, S. and {Gr"unsteidl}, S. and {Reinhardt}, S. and {Vodermayer}, C. and {Becker}, G.}, title = {{Detaillierte Simulation und Untersuchung des Mismatchverhaltens von CdTe-D"unnschichtmodulen basierend auf Realkennlinien}}, journal = "Poster 27 Symposium Photovoltaische Solarenergie, Bad Staffelstein, Germany", year = 2012, month = "mar" }

S Reinhardt, S Gr"unsteidl, C Vodermayer and G Becker. Analyse von verschiedenen PV Modultechnologie unter Freilandbedingungen und Vergleich mit verschiedenen Modellen.

*Poster 27 Symposium Photovoltaische Solarenergie, Bad Staffelstein, Germany*, 2012. BibTeX@article{BadStaffelstein2012Sa, author = {{Reinhardt}, S. and {Gr"unsteidl}, S. and {Vodermayer}, C. and {Becker}, G.}, title = "{Analyse von verschiedenen PV Modultechnologie unter Freilandbedingungen und Vergleich mit verschiedenen Modellen}", journal = "Poster 27 Symposium Photovoltaische Solarenergie, Bad Staffelstein, Germany", year = 2012, month = "" }

S Reinhardt, C Eggers, S Gr"unsteidl, C Vodermayer and G Becker. Influence of Technology Differences in Performance Ratio Calculations. In

*27th European Photovoltaic Solar Energy Conference and Exhibition (ISBN 3-936338-28-0)*. 2012, 4025-4026. DOI BibTeX@inproceedings{PVSEC2012Sa, author = {{Reinhardt}, S. and {Eggers}, C. and {Gr"unsteidl}, S. and {Vodermayer}, C. and {Becker}, G.}, title = "{Influence of Technology Differences in Performance Ratio Calculations}", booktitle = "27th European Photovoltaic Solar Energy Conference and Exhibition (ISBN 3-936338-28-0)", year = 2012, month = "", pages = "4025-4026", doi = "10.4229/27thEUPVSEC2012-5AV.1.52" }

G Saathoff, S Reinhardt, B Bernhardt, R Holzwarth, T Udem, T ~W {Hänsch}, D Bing, D Schwalm, A Wolf, B Botermann, S Karpuk, C Novotny, W {Nörtershauser}, G Huber, C Geppert, T {Kühl}, T {Stöhlker} and G Gwinner. Testing Time Dilation on Fast Ion Beams.

*Journal of Physics Conference Series*312(10):102014, September 2011. DOI BibTeX@article{2011JPhCS.312j2014S, author = {{Saathoff}, G. and {Reinhardt}, S. and {Bernhardt}, B. and {Holzwarth}, R. and {Udem}, T. and {H{\"a}nsch}, T.~W. and {Bing}, D. and {Schwalm}, D. and {Wolf}, A. and {Botermann}, B. and {Karpuk}, S. and {Novotny}, C. and {N{\"o}rtershauser}, W. and {Huber}, G. and {Geppert}, C. and {K{\"u}hl}, T. and {St{\"o}hlker}, T. and {Gwinner}, G.}, title = "{Testing Time Dilation on Fast Ion Beams}", journal = "Journal of Physics Conference Series", year = 2011, month = "sep", volume = 312, number = 10, pages = 102014, doi = "10.1088/1742-6596/312/10/102014", adsurl = "http://adsabs.harvard.edu/abs/2011JPhCS.312j2014S", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

G Saathoff, S Reinhardt, R Holzwarth, T ~W {Hänsch}, T Udem, D Bing, D Schwalm, A Wolf, S Karpuk, G Huber, C Novotny, B Botermann, C Geppert, W {Nörtershäuser}, T {Kühl}, T {Stöhlker} and G Gwinner. Comment on: ”Lorentz violation in high-energy ions” by Santosh Devasia.

*European Physical Journal C*71:1596, March 2011. DOI BibTeX@article{saathoff2011, author = {{Saathoff}, G. and {Reinhardt}, S. and {Holzwarth}, R. and {H{\"a}nsch}, T.~W. and {Udem}, T. and {Bing}, D. and {Schwalm}, D. and {Wolf}, A. and {Karpuk}, S. and {Huber}, G. and {Novotny}, C. and {Botermann}, B. and {Geppert}, C. and {N{\"o}rtersh{\"a}user}, W. and {K{\"u}hl}, T. and {St{\"o}hlker}, T. and {Gwinner}, G.}, title = "{Comment on: ''Lorentz violation in high-energy ions'' by Santosh Devasia}", journal = "European Physical Journal C", archiveprefix = "arXiv", eprint = "1102.5657", primaryclass = "physics.atom-ph", year = 2011, month = "mar", volume = 71, pages = 1596, doi = "10.1140/epjc/s10052-011-1596-3", adsurl = "http://adsabs.harvard.edu/abs/2011EPJC...71.1596S", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

E Tr"abert, M Grieser, J Hoffmann, C Krantz, S Reinhardt, R Repnow, A Wolf and P Indelicato. {\mboxM1, \mboxM2 and hyperfine-induced decay rates in \mboxMg-like ions of \mboxCo, \mboxNi and \mboxCu measured at a heavy-ion storage ring}.

*New Journal of Physics*89:023017, 2011. BibTeX@article{traebert2011, author = {E. Tr"abert and M. Grieser and J. Hoffmann and C. Krantz and S. Reinhardt and R. Repnow and A. Wolf and P. Indelicato}, title = "{\mbox{M1}, \mbox{M2} and hyperfine-induced decay rates in \mbox{Mg}-like ions of \mbox{Co}, \mbox{Ni} and \mbox{Cu} measured at a heavy-ion storage ring}", year = 2011, journal = "New Journal of Physics", pages = 023017, volume = 89 }

B Botermann, C Novotny, D Bing, C Geppert, G Gwinner, T ~W {Hänsch}, G Huber, S Karpuk, T {Kühl}, W {Nörtershäuser}, S Reinhardt, G Saathoff, D Schwalm, T {Stöhlker} and A Wolf. Preparatory measurements for a test of time dilation in the ESR.

*Canadian Journal of Physics*89:85-93, 2011. DOI BibTeX@article{botermann2011, author = {{Botermann}, B. and {Novotny}, C. and {Bing}, D. and {Geppert}, C. and {Gwinner}, G. and {H{\"a}nsch}, T.~W. and {Huber}, G. and {Karpuk}, S. and {K{\"u}hl}, T. and {N{\"o}rtersh{\"a}user}, W. and {Reinhardt}, S. and {Saathoff}, G. and {Schwalm}, D. and {St{\"o}hlker}, T. and {Wolf}, A.}, title = "{Preparatory measurements for a test of time dilation in the ESR}", journal = "Canadian Journal of Physics", year = 2011, volume = 89, pages = "85-93", doi = "10.1139/P10-117", adsurl = "http://adsabs.harvard.edu/abs/2011CaJPh..89...85B", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

G Saathoff, S Reinhardt, B Bernhardt, R Holzwarth, T Udem, T ~W {Hänsch}, D Bing, D Schwalm, A Wolf, B Botermann, S Karpuk, C Novotny, W {Nörtershäuser}, G Huber, C Geppert, T {Kühl}, T {Stöhlker}, T Rempel and G Gwinner. Testing Time Dilation on Fast Ion Beams. In

*CPT AND Lorentz Symmetry. Edited by V Alan Kostelecký (Indiana University, USA) . Published by World Scientific Publishing Co. Pte. Ltd., 2011. ISBN #9789814327688, pp. 118-122*. 2011, 118-122. DOI BibTeX@inproceedings{2011cls..conf..118S, author = {{Saathoff}, G. and {Reinhardt}, S. and {Bernhardt}, B. and {Holzwarth}, R. and {Udem}, T. and {H{\"a}nsch}, T.~W. and {Bing}, D. and {Schwalm}, D. and {Wolf}, A. and {Botermann}, B. and {Karpuk}, S. and {Novotny}, C. and {N{\"o}rtersh{\"a}user}, W. and {Huber}, G. and {Geppert}, C. and {K{\"u}hl}, T. and {St{\"o}hlker}, T. and {Rempel}, T. and {Gwinner}, G.}, title = "{Testing Time Dilation on Fast Ion Beams}", booktitle = "CPT AND Lorentz Symmetry. Edited by V Alan Kosteleck{\'y} (Indiana University, USA) . Published by World Scientific Publishing Co. Pte. Ltd., 2011. ISBN \#9789814327688, pp. 118-122", year = 2011, month = "", pages = "118-122", doi = "10.1142/9789814327688_0023", adsurl = "http://adsabs.harvard.edu/abs/2011cls..conf..118S", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

S Reinhardt, G Saathoff, T ~W H"ansch, C Novotny, G Huber, S Karpuk, W N"ortersh"auser, D Bing, D Schwalm, A Wolf, B Botermann, C Geppert, T K"uhl and T St"ohlker. LASER SPECTROSCOPY ON RELATIVISTIC ION BEAMS.

*Laser Spectroscopy: Proceedings of the XIX International Conference*, pages 297–303, 2010. BibTeX@article{ reinhardt2010icols, author = {S. Reinhardt and G. Saathoff and T.~W. H"ansch and C. Novotny and G. Huber and S. Karpuk and W. N"ortersh"auser and D. Bing and D. Schwalm and A. Wolf and B. Botermann and C. Geppert and T. K"uhl and T. St"ohlker}, title = "LASER SPECTROSCOPY ON RELATIVISTIC ION BEAMS", year = 2010, journal = "{Laser Spectroscopy: Proceedings of the XIX International Conference}", pages = "297--303" }

S Reinhardt, E Peters, T W Hänsch and Th. Udem. Two-photon direct frequency comb spectroscopy with chirped pulses.

*Physical Review A*, page 033427, 2010. BibTeX@article{ reinhardt2010, author = {S. Reinhardt and E. Peters and T. W. H{\"a}nsch and Th. Udem}, title = "{Two-photon direct frequency comb spectroscopy with chirped pulses}", year = 2010, journal = "Physical Review A", pages = 033427 }

H Kreckel, D Bing, S Reinhardt, A Petrignani, M Berg and A Wolf. Chemical Probing Spectroscopy of H$_3^+$ in a Cryogenic Radiofrequency Trap. In

*64th International Symposium On Molecular Spectroscopy*. June 2009. BibTeX@inproceedings{ 2009mss..confETE03K, author = "H. {Kreckel} and D. {Bing} and S. {Reinhardt} and A. {Petrignani} and M. {Berg} and A. {Wolf}", title = "{Chemical Probing Spectroscopy of H$_3^+$ in a Cryogenic Radiofrequency Trap}", keywords = "RADICALS AND IONS", booktitle = "{64th International Symposium On Molecular Spectroscopy}", year = 2009, month = "jun", adsurl = "http://adsabs.harvard.edu/abs/2009mss..confETE03K", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

E Peters, S A Diddams, P Fendel, S Reinhardt, T W Haensch and Th. Udem. A deep-UV optical frequency comb at 205 nm.

*Optics Express*17(11):9183–9190, 2009. BibTeX@article{ ISI:000266382200050, author = "E. Peters and S. A. Diddams and P. Fendel and S. Reinhardt and T. W. Haensch and Th. Udem", title = "{A deep-UV optical frequency comb at 205 nm}", journal = "{Optics Express}", year = "{2009}", volume = "{17}", number = "{11}", pages = "{9183--9190}" }

C Novotny, G Huber, S Karpuk, S Reinhardt, D Bing, D Schwalm, A Wolf, B Bernhardt, T W Hänsch, R Holzwarth, G Saathoff, Th. Udem, W Nörtershäuser, G Ewald, C Geppert, T Kühl, T Stöhlker and G Gwinner. Sub-Doppler laser spectroscopy on relativistic beams and tests of Lorentz invariance.

*Physical Review A (Atomic, Molecular, and Optical Physics)*80(2):022107, 2009. BibTeX@article{ novotny:022107, author = {C. Novotny and G. Huber and S. Karpuk and S. Reinhardt and D. Bing and D. Schwalm and A. Wolf and B. Bernhardt and T. W. H{\"a}nsch and R. Holzwarth and G. Saathoff and Th. Udem and W. N{\"o}rtersh{\"a}user and G. Ewald and C. Geppert and T. K{\"u}hl and T. St{\"o}hlker and G. Gwinner}, title = "{Sub-Doppler laser spectroscopy on relativistic beams and tests of Lorentz invariance}", year = 2009, journal = "Physical Review A (Atomic, Molecular, and Optical Physics)", volume = 80, number = 2, pages = 022107 }

A Petrignani, H Kreckel, M ~H Berg, S Altevogt, D Bing, H Buhr, M Froese, M Grieser, J Hoffmann, B Jordon-Thaden, C Krantz, M ~B Mendes, O Novotný, S Novotny, D ~A Orlov, S Reinhardt and A Wolf. {Spectroscopy and dissociative recombination of the lowest rotational states of H$_3^+$}.

*Journal of Physics Conference Series*192(1):012022–+, 2009. DOI BibTeX@article{ 2009JPhCS.192a2022P, author = "A. {Petrignani} and H. {Kreckel} and M.~H. {Berg} and S. {Altevogt} and D. {Bing} and H. {Buhr} and M. {Froese} and M. {Grieser} and J. {Hoffmann} and B. {Jordon-Thaden} and C. {Krantz} and M.~B. {Mendes} and O. {Novotn{\'y}} and S. {Novotny} and D.~A. {Orlov} and S. {Reinhardt} and A. {Wolf}", title = "{Spectroscopy and dissociative recombination of the lowest rotational states of H$_{3}^{+}$}", journal = "Journal of Physics Conference Series", archiveprefix = "arXiv", eprint = "0810.0405", primaryclass = "physics.atom-ph", year = 2009, month = "", volume = 192, number = 1, pages = "012022--+", doi = "10.1088/1742-6596/192/1/012022", adsurl = "http://adsabs.harvard.edu/abs/2009JPhCS.192a2022P", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

C Novotny, B Bernhardt, D Bing, G Ewald, C Geppert, G Gwinner, G Huber, S Karpuk, H -J Kluge, T Kühl, W Nörtershäuser, S Reinhardt, G Saathoff, D Schwalm, T Stöhlker and A Wolf. Towards a precision test of time dilation at high velocity.

*Canadian Journal of Physics*87(7):749–756, 2009. BibTeX@article{ novotny2009, author = {C. Novotny and B. Bernhardt and D. Bing and G. Ewald and C. Geppert and G. Gwinner and G. Huber and S. Karpuk and H.-J. Kluge and T. K{\"u}hl and W. N{\"o}rtersh{\"a}user and S. Reinhardt and G. Saathoff and D. Schwalm and T. St{\"o}hlker and A. Wolf}, title = "{Towards a precision test of time dilation at high velocity}", year = 2009, journal = "Canadian Journal of Physics", volume = 87, number = 7, pages = "749--756" }

A Ozawa, M Herrmann, A Vernaleken, Ch. Gohle, B Bernhardt, T Wilken, W Schneider, Ph. Vilar Welter, S Knuenz, V Batteiger, R Holzwarth, E Peters, S Reinhardt, T W Haensch and Th. Udem. Extreme Ultraviolet Frequency Combs for Spectroscopy. In L Maleki (ed.).

*Proceedings of the 7th Symposium Frequency Standards and Metrology*. 2009, 271–279. BibTeX@inproceedings{ ISI:000270540200030, author = "A. Ozawa and M. Herrmann and A. Vernaleken and Ch. Gohle and B. Bernhardt and T. Wilken and W. Schneider and Ph. Vilar Welter and S. Knuenz and V. Batteiger and R. Holzwarth and E. Peters and S. Reinhardt and T. W. Haensch and Th. Udem", editor = "{Maleki, L}", title = "{Extreme Ultraviolet Frequency Combs for Spectroscopy}", booktitle = "{Proceedings of the 7th Symposium Frequency Standards and Metrology}", year = "{2009}", pages = "{271--279}", note = "{7th Symposium on Frequency Standards and Metrology, Pacific Grove, CA, OCT 05-11, 2008}", abstract = "{Optical spectroscopy has matured to the most precise measurement tool in physics thanks to advances in single ion trapping and the possibility to directly measure the frequency of laser light. However, almost 50 years after the invention of the laser the spectral region that can be investigated in this way is still restricted to wavelengths below the near ultraviolet. The much larger spectral band of the extreme ultraviolet (XUV), where many fundamental transitions of say hydrogen like ions reside, is thus far unexplored by high precision laser spectroscopy. One possible route to narrow band radiation in this region could be the use of high order harmonics generated with short laser pulses of high repetition rate focused in a gas jet. Meanwhile mu W power levels in the XUV at multi-MHz repetition rates have been demonstrated which are the main prerequisites for this method. The 1S-2S two photon transition at 60 nm in singly ionized helium is a rewarding candidate because it allows sensitive tests of quantum electrodynamics.}", isbn = "{978-981-283-821-6}", id = "{ISI:000270540200030}" }

Sascha Reinhardt.

*Test of Special Relativity: Time Dilation*. Vdm Verlag Dr. Müller, 2008. BibTeX@book{ reinhardtbuch, author = "Sascha Reinhardt", title = "{Test of Special Relativity: Time Dilation}", publisher = {Vdm Verlag Dr. M{\"u}ller}, year = 2008, note = "ISBN-10: 3639049659" }

H Kreckel, D Bing, S Reinhardt, A Petrignani, M Berg and A Wolf. Chemical probing spectroscopy of H$_3^+$ above the barrier to linearity.

*Journal of Chemical Physics*129(16):164312–+, 2008. BibTeX@article{ 2008JChPh.129p4312K, author = "H. {Kreckel} and D. {Bing} and S. {Reinhardt} and A. {Petrignani} and M. {Berg} and A. {Wolf}", title = "{Chemical probing spectroscopy of H$_3^+$ above the barrier to linearity}", journal = "Journal of Chemical Physics", year = 2008, volume = 129, number = 16, pages = "164312--+" }

E Träbert, J Hoffmann, S Reinhardt, A Wolf and G DelZanna. {Measurement of electric-dipole forbidden 3p and 3d level decay rates in \mboxFe~XII}.

*Journal of Physics Conference Series*130(1):012018–+, 2008. BibTeX@article{ 2008JPhCS.130a2018T, author = {E. {Tr{\"a}bert} and J. {Hoffmann} and S. {Reinhardt} and A. {Wolf} and G. {DelZanna}}, title = "{Measurement of electric-dipole forbidden 3p and 3d level decay rates in \mbox{Fe~XII}}", journal = "Journal of Physics Conference Series", year = 2008, month = "", volume = 130, number = 1, pages = "012018--+" }

G Gwinner, H Buhr, S Reinhardt, G Saathoff, D Schwalm, A Wolf, G Huber, S Karpuk, C Novotny, T ~W Hänsch, R Holzwarth, T Udem and M Zimmermann. Testing relativistic time dilation with a two-velocity ion clock in a storage ring.

*APS Meeting Abstracts*, pages G5004+, June 2007. BibTeX@article{ 2007APS..DMP.G5004G, author = {G. {Gwinner} and H. {Buhr} and S. {Reinhardt} and G. {Saathoff} and D. {Schwalm} and A. {Wolf} and G. {Huber} and S. {Karpuk} and C. {Novotny} and T.~W. {H{\"a}nsch} and R. {Holzwarth} and T. {Udem} and M. {Zimmermann}}, title = "{Testing relativistic time dilation with a two-velocity ion clock in a storage ring}", journal = "APS Meeting Abstracts", year = 2007, month = "jun", pages = "G5004+", adsurl = "http://adsabs.harvard.edu/abs/2007APS..DMP.G5004G", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

S Reinhardt, B Bernhardt, C Geppert, R Holzwarth, G Huber, S Karpuk, N Miski-Oglu, W Nörtershäuser, C Novotny and T Udem. Absolute frequency measurements and comparisons in iodine at 735 nm and 772 nm.

*Optics Communications*274:354–360, June 2007. DOI BibTeX@article{ 2007OptCo.274..354R, author = {S. {Reinhardt} and B. {Bernhardt} and C. {Geppert} and R. {Holzwarth} and G. {Huber} and S. {Karpuk} and N. {Miski-Oglu} and W. {N{\"o}rtersh{\"a}user} and C. {Novotny} and T. {Udem}}, title = "{Absolute frequency measurements and comparisons in iodine at 735 nm and 772 nm}", journal = "Optics Communications", keywords = "33.15.Pw, 33.20.{\minus}t, 42.62.Fi, 06.30.Ft", year = 2007, month = "jun", volume = 274, pages = "354--360", doi = "10.1016/j.optcom.2007.02.050", adsurl = "http://adsabs.harvard.edu/abs/2007OptCo.274..354R", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

S Reinhardt, G Saathoff, H Buhr, L ~A Carlson, A Wolf, D Schwalm, S Karpuk, C Novotny, G Huber, M Zimmermann, R Holzwarth, T Udem, T ~W Hänsch and G Gwinner. Test of relativistic time dilation with fast optical atomic clocks at different velocities.

*Nature Physics*3:861–864, 2007. DOI BibTeX@article{ 2007NatPh...3..861R, author = {S. {Reinhardt} and G. {Saathoff} and H. {Buhr} and L.~A. {Carlson} and A. {Wolf} and D. {Schwalm} and S. {Karpuk} and C. {Novotny} and G. {Huber} and M. {Zimmermann} and R. {Holzwarth} and T. {Udem} and T.~W. {H{\"a}nsch} and G. {Gwinner}}, title = "{Test of relativistic time dilation with fast optical atomic clocks at different velocities}", journal = "Nature Physics", year = 2007, volume = 3, pages = "861--864", doi = "10.1038/nphys778", adsurl = "http://adsabs.harvard.edu/abs/2007NatPh...3..861R", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

U Schramm, M Bussmann, D Habs, T Kühl, P Beller, B Franzke, F Nolden, M Steck, G Saathoff, S Reinhardt and S Karpuk. {Combined Laser and Electron Cooling of Bunched \mboxC$^3+$ Ion Beams at the Storage Ring ESR}. In S Nagaitsev and R ~J Pasquinelli (eds.).

*Beam Cooling and Related Topics*821. March 2006, 501–509. DOI BibTeX@inproceedings{ 2006AIPC..821..501S, author = {U. {Schramm} and M. {Bussmann} and D. {Habs} and T. {K{\"u}hl} and P. {Beller} and B. {Franzke} and F. {Nolden} and M. {Steck} and G. {Saathoff} and S. {Reinhardt} and S. {Karpuk}}, title = "{Combined Laser and Electron Cooling of Bunched \mbox{C}$^{3+}$ Ion Beams at the Storage Ring ESR}", keywords = "storage rings, laser cooling, electron beams, ion beams, positive ions, particle beam bunching", booktitle = "Beam Cooling and Related Topics", year = 2006, series = "American Institute of Physics Conference Series", volume = 821, editor = "S. {Nagaitsev} and R.~J. {Pasquinelli}", month = "mar", pages = "501--509", doi = "10.1063/1.2190157", adsurl = "http://adsabs.harvard.edu/abs/2006AIPC..821..501S", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

E Träbert, S Reinhardt, J Hoffmann and A Wolf. {\mboxM1 transition rates in \mboxCo XI and Co XIII measured at a heavy-ion storage ring}.

*Journal of Physics B Atomic Molecular Physics*39:945–954, 2006. DOI BibTeX@article{ 2006JPhB...39..945T, author = {E. {Tr{\"a}bert} and S. {Reinhardt} and J. {Hoffmann} and A. {Wolf}}, title = "{\mbox{M1} transition rates in \mbox{Co XI and Co XIII} measured at a heavy-ion storage ring}", journal = "Journal of Physics B Atomic Molecular Physics", year = 2006, month = "", volume = 39, pages = "945--954", doi = "10.1088/0953-4075/39/4/018", adsurl = "http://adsabs.harvard.edu/abs/2006JPhB...39..945T", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

S Reinhardt, G Saathoff, S Karpuk, C Novotny, G Huber, M Zimmermann, R Holzwarth, T Udem, T ~W Hänsch and G Gwinner. Iodine hyperfine structure and absolute frequency measurements at 565, 576, and 585 nm.

*Optics Communications*261:282–290, 2006. DOI BibTeX@article{ 2006OptCo.261..282R, author = {S. {Reinhardt} and G. {Saathoff} and S. {Karpuk} and C. {Novotny} and G. {Huber} and M. {Zimmermann} and R. {Holzwarth} and T. {Udem} and T.~W. {H{\"a}nsch} and G. {Gwinner}}, title = "{Iodine hyperfine structure and absolute frequency measurements at 565, 576, and 585 nm}", journal = "Optics Communications", keywords = "33.15.Pw, 33.15.Mt, 33.20.{\minus}t, 33.20.Kf, 42.62.Fi, 62.42.Eh, 06.30.Ft", year = 2006, month = "", volume = 261, pages = "282--290", doi = "10.1016/j.optcom.2005.12.029", adsurl = "http://adsabs.harvard.edu/abs/2006OptCo.261..282R", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

C Novotny, B Bernhardt, G Ewald, C Geppert, G Gwinner, T ~W Hänsch, R Holzwarth, G Huber, S Karpuk, H -J Kluge, T Kühl, W Nörtershäuser, S Reinhardt, G Saathoff, D Schwalm, T Udem and A Wolf. Experimental test of special relativity by laser spectroscopy.

*Hyperfine Interactions*171:57–67, 2006. DOI BibTeX@article{ 2006HyInt.171...57N, author = {C. {Novotny} and B. {Bernhardt} and G. {Ewald} and C. {Geppert} and G. {Gwinner} and T.~W. {H{\"a}nsch} and R. {Holzwarth} and G. {Huber} and S. {Karpuk} and H.-J. {Kluge} and T. {K{\"u}hl} and W. {N{\"o}rtersh{\"a}user} and S. {Reinhardt} and G. {Saathoff} and D. {Schwalm} and T. {Udem} and A. {Wolf}}, title = "{Experimental test of special relativity by laser spectroscopy}", journal = "Hyperfine Interactions", keywords = "precision spectroscopy, test of Lorentz invariance, storage ring, generation of metastabile lithium ions", year = 2006, month = "", volume = 171, pages = "57--67", doi = "10.1007/s10751-006-9500-5", adsurl = "http://adsabs.harvard.edu/abs/2006HyInt.171...57N", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

G Saathoff, S Reinhardt, H Buhr, L ~A Carlson, D Schwalm, A Wolf, S Karpuk, C Novotny, G Huber and G Gwinner. Test of time dilation by laser spectroscopy on fast ions.

*Canadian Journal of Physics*83:425–434, April 2005. DOI BibTeX@article{ 2005CaJPh..83..425S, author = "G. {Saathoff} and S. {Reinhardt} and H. {Buhr} and L.~A. {Carlson} and D. {Schwalm} and A. {Wolf} and S. {Karpuk} and C. {Novotny} and G. {Huber} and G. {Gwinner}", title = "{Test of time dilation by laser spectroscopy on fast ions}", journal = "Canadian Journal of Physics", keywords = "special relativity, clock, light", year = 2005, month = "apr", volume = 83, pages = "425--434", doi = "10.1139/p05-019", adsurl = "http://adsabs.harvard.edu/abs/2005CaJPh..83..425S", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

U Schramm, M Bussmann, D Habs, M Steck, T Kühl, K Beckert, P Beller, B Franzke, F Nolden, G Saathoff, S Reinhardt and S Karpuk. {Laser Cooling and Spectroscopy of Relativistic \mbox{C$^3+$} Beams at the \mboxESR}.

*Hyperfine Interactions*162:181–188, 2005. DOI BibTeX@article{ 2005HyInt.162..181S, author = {U. {Schramm} and M. {Bussmann} and D. {Habs} and M. {Steck} and T. {K{\"u}hl} and K. {Beckert} and P. {Beller} and B. {Franzke} and F. {Nolden} and G. {Saathoff} and S. {Reinhardt} and S. {Karpuk}}, title = "{Laser Cooling and Spectroscopy of Relativistic \mbox{C$^{3+}$} Beams at the \mbox{ESR}}", journal = "Hyperfine Interactions", keywords = "crystalline ion beams, laser cooling, Li-like heavy ions, storage rings", year = 2005, month = "", volume = 162, pages = "181--188", doi = "10.1007/s10751-005-9217-x", adsurl = "http://adsabs.harvard.edu/abs/2005HyInt.162..181S", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

G Gwinner, S Reinhardt, G Saathoff, D Schwalm, G Huber and S Karpuk. A new test of relativistic time dilation with laser spectroscopy of heavy ions in a storage ring.

*APS Meeting Abstracts*, pages G13+, October 2004. BibTeX@article{ 2004APS..DNP.GG013G, author = "G. {Gwinner} and S. {Reinhardt} and G. {Saathoff} and D. {Schwalm} and G. {Huber} and S. {Karpuk}", title = "{A new test of relativistic time dilation with laser spectroscopy of heavy ions in a storage ring}", journal = "APS Meeting Abstracts", year = 2004, month = "oct", pages = "G13+", adsurl = "http://adsabs.harvard.edu/abs/2004APS..DNP.GG013G", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

G Saathoff, S Karpuk, U Eisenbarth, G Huber, S Krohn, R ~M Horta, S Reinhardt, D Schwalm, A Wolf and G Gwinner. Improved Test of Time Dilation in Special Relativity.

*Physical Review Letters*91(19):190403–+, November 2003. DOI BibTeX@article{ 2003PhRvL..91s0403S, author = "G. {Saathoff} and S. {Karpuk} and U. {Eisenbarth} and G. {Huber} and S. {Krohn} and R.~M. {Horta} and S. {Reinhardt} and D. {Schwalm} and A. {Wolf} and G. {Gwinner}", title = "{Improved Test of Time Dilation in Special Relativity}", journal = "Physical Review Letters", year = 2003, month = "nov", volume = 91, number = 19, pages = "190403--+", doi = "10.1103/PhysRevLett.91.190403", adsurl = "http://adsabs.harvard.edu/abs/2003PhRvL..91s0403S", adsnote = "Provided by the SAO/NASA Astrophysics Data System" }

G GWINNER, S REINHARDT, G SAATHOFF, D SCHWALM, A WOLF, G HUBER, S KARPUK and C NOVOTNY.

*AN IMPROVED TEST OF RELATIVISTIC TIME DILATION WITH FAST, STORED IONS*. Chapter 22, pages 184-192. URL, DOI BibTeX@inbook{gwinner2005, author = "G. GWINNER and S. REINHARDT and G. SAATHOFF and D. SCHWALM and A. WOLF and G. HUBER and S. KARPUK and C. NOVOTNY", title = "AN IMPROVED TEST OF RELATIVISTIC TIME DILATION WITH FAST, STORED IONS", booktitle = "CPT and Lorentz Symmetry", chapter = 22, pages = "184-192", doi = "10.1142/9789812702173_0022", url = "http://www.worldscientific.com/doi/abs/10.1142/9789812702173_0022", eprint = "http://www.worldscientific.com/doi/pdf/10.1142/9789812702173_0022" }