Welcome to AG Nörtershäuser
Group photo, taken on Sept. 25th 2020 at the Castle Frankenstein in the Odenwald (south of Darmstadt) by Felix Sommer. f.l.t.r.: Konstantin Mohr, Laura Renth, Tim Ratajczyk, Simon Rausch, Felix Sommer, Max Horst, Patrick Müller, Philipp Bollinger, Tim Lellinger, Jörg Krämer, Wilfried Nörtershäuser, Phillip Imgram
Laser spectroscopic nuclear chart
Our Service to the Community:
An up-to-date nuclear chart with all isotopes that have been investigated by on-line laser spectroscopy, tables and references is provided here …>
Current News
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2021/01/11
Simon Rausch has completed his Master Thesis
Simon Rausch has completed his Master Thesis with the presentation „Investigation of Electron Cooling of Highly Charged Ions“. Congratulations from LaserSpHERe! go
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2021/01/01
Hardware paper on a remotely controlled iris diaphragm
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2020/12/18
Bernhard Maaß receives Giersch Award
Bernhard Maaß received a “Giersch Award for an Outstanding Doctoral Thesis” for his Dissertation “Laser Spectroscopy of the Boron Isotopic Chain”. Congratulations! go
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2020/12/10
Solution to the field-shift puzzle in singly-charged calcium
Our measurements of the transition frequencies in the singly-charged stable calcium isotopes have been published in Physical Review Research. With these, the discrepancy between experiment and theory existing in the field-shift ratio of two electric dipole transitions was solved. go
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2020/11/30
New DAQ System employed for the Spectroscopy of Germanium Isotopes at COLLAPS
Our measurements of nuclear moments of the Germanium isotopes Ge-69,71,73 have been published today in Physical Review C. The new data acquisition system TILDA was used and demonstrated its versatility by identifying a molecular component of the beam. go
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2020/11/26
Philipp Bollinger has completed his Master Thesis
Philipp Bollinger has completed his Master Thesis with the presentation „A compact collinear laser spectroscopy setup for students hands-on experience“. Congratulations! go
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2020/11/10
Julian Palmes has completed his Bachelor Thesis
Julian Palmes has completed his Bachelor Thesis with the presentation „Doppler-free frequency modulated absorption spectroscopy of Iodine lines at 705nm“. Congratulations! go
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2020/11/09
Nuclear Moments of Sn-133 published
Measurements of the magnetic dipole and electric quadrupole moment of the exotic nucleus 133Sn by high-resolution laser spectroscopy at ISOLDE/CERN have been published in Physical Review C as a Rapid Communication. These, in combination with state-of-the-art shell-model calculations, demonstrate the doubly-magic character of its immediate neighbor 132Sn. go
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2020/10/06
First collinear laser spectroscopy with an LMIS Source
Our Paper on frequency and hyperfine measurements in the stable indium isotopes has appeared in the journal Physical Review A. It reports on the first application of a liquid metal ion source (LMIS) for collinear laser spectroscopy. go
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2020/08/19
Eric Planz has completed his Master Thesis
Eric Planz has successfully completed his MasterThesis with the presentation „Constructing a Precision Measurement of the Fine-Structure Constant Using Atom Interferometry“. This experimental work was carried out in the group of Holger Müller at Berkeley. Congratulations! go