H.-W. Ortjohann

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All published works

Action	Title	Year	Authors
+ PDF Chat	An active transverse energy filter to differentiate low energy particles with large pitch angles in a strong magnetic field	2022	K. Gauda S. Schneidewind G. Drexlin A. Fulst V. Hannen T. König A. Lokhov P. Oelpmann H.-W. Ortjohann W. Pernice
+	Forward Beam Monitor for the KATRIN experiment	2022	A. Beglarian E. Ellinger N. Haußmann K. Helbing S. Hickford Uwe Naumann H.-W. Ortjohann M. Steidl J. Wolf S. Wüstling
+	An active transverse energy filter to differentiate low energy particles with large pitch angles in a strong magnetic field	2022	K. Gauda S. Schneidewind G. Drexlin A. Fulst V. Hannen T. König A. Lokhov P. Oelpmann H.-W. Ortjohann W. Pernice
+	The design, construction, and commissioning of the KATRIN experiment	2021	M. Aker K. Altenmüller J. F. Amsbaugh M. Arenz M. Babutzka J. Bast Stephan Bauer H. Bechtler M. Beck A. Beglarian
+ PDF Chat	Laser spectroscopy of the $$^2{\mathrm{S}}_{1/2}{-}^2{\mathrm{P}}_{{1}/2}$$, $$^2{\mathrm{P}}_{3/2}$$ transitions in stored and cooled relativistic C3+ ions	2021	D. Winzen V. Hannen Michael Bußmann Axel Buß Christian Egelkamp L. Eidam Z. K. Huang D. Kiefer S. Klammes T. Kühl
+ PDF Chat	Laser spectroscopy of the 2S1/2 - 2P1/2, 2P3/2 transitions in stored and cooled relativistic C3+ ions	2020	D. Winzen V. Hannen Michael Bußmann Axel Buß Christian Egelkamp L. Eidam Z. K. Huang Daniel Kiefer S. Klammes Thomas Kühl
+ PDF Chat	Suppression of Penning discharges between the KATRIN spectrometers	2020	M. Aker K. Altenmüller A. Beglarian J. Behrens A. I. Berlëv U. Besserer K. Blaum F. Block S. Bobien B. Bornschein
+ PDF Chat	First operation of the KATRIN experiment with tritium	2020	M. Aker Konrad Altenmüller M. Arenz Woo-Jeong Baek John Barrett A. Beglarian J. Behrens A. I. Berlëv U. Besserer K. Blaum
+ PDF Chat	Improved Upper Limit on the Neutrino Mass from a Direct Kinematic Method by KATRIN	2019	M. Aker K. Altenmüller M. Arenz M. Babutzka John Barrett Stephan Bauer M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann
+ PDF Chat	A multi-PMT Optical Module for the IceCube Upgrade	2019	Lew Classen Christian Dorn A. Kappes T. Karg Marko Kossatz A. Kretzschmann H.-W. Ortjohann J. Reubelt Karl-Heinz Sulanke R. S. Weigel
+ PDF Chat	Magnetically-coupled piston pump for high-purity gas applications	2018	A. Brown Alcides Buss A. Fieguth C. Huhmann M. Murra H.-W. Ortjohann S. S. E. Rosendahl A. Schubert D. Schulte D. Tosi
+ PDF Chat	First transmission of electrons and ions through the KATRIN beamline	2018	M. Arenz Woo-Jeong Baek M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann A. I. Berlëv U. Besserer K. Blaum T. Bode
+ PDF Chat	A pulsed, mono-energetic and angular-selective UV photo-electron source for the commissioning of the KATRIN experiment	2017	J. Behrens P. C.-O. Ranitzsch M. Beck A. Beglarian M. Erhard Stefan Groh V. Hannen M. Kraus H.-W. Ortjohann O. Rest
+	Commissioning of the vacuum system of the KATRIN Main Spectrometer	2016	M. Arenz M. Babutzka M. Bahr John Barrett Stephan Bauer M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann U. Besserer
+ PDF Chat	An angular-selective electron source for the KATRIN experiment	2014	M. Beck K. Bokeloh Hans‐Joachim Hein Stephan Bauer H. Baumeister J. Bonn H.-W. Ortjohann B. Ostrick S. S. E. Rosendahl Sebastian Streubel
+ PDF Chat	Determination of hydrogen cluster velocities and comparison with numerical calculations	2013	A. Täschner E. Köhler H.-W. Ortjohann A. Khoukaz
+ PDF Chat	Ellipsometry with polarisation analysis at cryogenic temperatures inside a vacuum chamber	2013	Stephan Bauer B. Grees Daniël Spitzer M. Beck R. Bottesch H.-W. Ortjohann B. Ostrick Thomas Schäfer H. H. Telle A. Wegmann
+ PDF Chat	Next generation KATRIN high precision voltage divider for voltages up to 65kV	2013	Stephan Bauer Rainer Berendes Frank Hochschulz H.-W. Ortjohann S. S. E. Rosendahl T. Thümmler Matthias Schmidt C. Weinheimer
+ PDF Chat	Detection system for forward emitted photons at the Experimental Storage Ring at GSI	2013	V. Hannen Denis Anielski C. Geppert Raphael Jöhren T. Kühl Matthias Lochmann R. López-Coto W. Nörtershäuser H.-W. Ortjohann R. Sánchez
+	Laval Nozzle Production of Internal Targets	2013	E. Köhler S. Grieser A. Täschner H.-W. Ortjohann A. Khoukaz A. Hergemöller D. Bonaventura
+ PDF Chat	Limits on the release of Rb isotopes from a zeolite based<sup>83m</sup>Kr calibration source for the XENON project	2011	V. Hannen E. Aprile F. Arneodo L. Baudis M. Beck K. Bokeloh A. D. Ferella K. L. Giboni R. F. Lang O. Lebeda
+ PDF Chat	High density cluster jet target for storage ring experiments	2011	A. Täschner E. Köhler H.-W. Ortjohann A. Khoukaz
+ PDF Chat	Prototype of an angular-selective photoelectron calibration source for the KATRIN experiment	2011	K. Valerius Hans‐Joachim Hein H. Baumeister M. Beck K. Bokeloh J. Bonn F. Glück H.-W. Ortjohann B. Ostrick M. Zbořil
+ PDF Chat	Effect of a sweeping conductive wire on electrons stored in a Penning-like trap between the KATRIN spectrometers	2010	M. Beck K. Valerius J. Bonn K. Essig F. Glück H.-W. Ortjohann B. Ostrick Ernst W. Otten Th. Thümmler M. Zbořil
+ PDF Chat	A Contact-Less 2-Dimensional Laser Sensor for 3-Dimensional Wire Position and Tension Measurements	2010	Matthias Prall V. Hannen Raphael Jöhren H.-W. Ortjohann M. Reinhardt Christian Weinheimer

Common Coauthors

Coauthor	Papers Together
V. Hannen	13
C. Weinheimer	11
K. Valerius	10
M. Beck	10
F. Glück	8
A. Beglarian	8
M. Zbořil	7
K. Helbing	7
R. G. H. Robertson	7
J. Behrens	7
J. F. Wilkerson	7
N. Haußmann	7
U. Besserer	6
A. Kopmann	6
M. Ryšavý	6
P. J. Doe	6
K. Bokeloh	6
S. Dyba	6
O. Rest	6
M. Röllig	6
Stephan Bauer	6
D. S. Parno	6
B. Krasch	6
S. Enomoto	6
H. H. Telle	6
E. Ellinger	6
O. Lebeda	6
R. Gumbsheimer	6
P. C.-O. Ranitzsch	6
M. Fedkevych	6
E. L. Martín	6
F. Heizmann	6
S. Chilingaryan	6
K. Eitel	6
A. W. P. Poon	6
S. Grohmann	6
O. Dragoun	6
D. Eversheim	6
J. A. Formaggio	6
S. Niemes	6
L. Kippenbrock	6
Uwe Naumann	6
S. Hickford	6
B. Bornschein	5
M. Slezák	5
A. Osipowicz	5
K. Schlösser	5
F. M. Fränkle	5
W. Gil	5
M. Schrank	5

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+ PDF Chat	Final results from phase II of the Mainz neutrino mass searchin tritium ${\beta}$ decay	2005	Ch. Kraus B. Bornschein L. Bornschein J. Bonn B. Flatt A. Kovalík B. Ostrick Ernst W. Otten Judith Schall Th. Thümmler	11
+ PDF Chat	Neutrino mass limit from tritium β decay	2008	Ernst W. Otten C. Weinheimer	9
+ PDF Chat	Upper limit on the electron antineutrino mass from the Troitsk experiment	2011	V. N. Aseev A. I. Belesev A. I. Berlëv E. V. Geraskin А. А. Голубев N. A. Likhovid V.M. Lobashev Alexander Nozik V. Pantuev В. И. Парфенов	8
+ PDF Chat	Focal-plane detector system for the KATRIN experiment	2015	J. F. Amsbaugh John Barrett A. Beglarian T. Bergmann H. Bichsel Laura Bodine J. Bonn Nora Mills Boyd T. H. Burritt Z. Chaoui	8
+ PDF Chat	Current Direct Neutrino Mass Experiments	2013	G. Drexlin V. Hannen S. Mertens C. Weinheimer	7
+ PDF Chat	Monitoring of the operating parameters of the KATRIN Windowless Gaseous Tritium Source	2012	M. Babutzka M. Bahr J. Bonn B. Bornschein Amadeus Dieter G. Drexlin K. Eitel Sebastian Fischer F. Glück S. Grohmann	7
+	Precision high voltage divider for the KATRIN experiment	2009	Th. Thümmler R. Marx C. Weinheimer	6
+	Commissioning of the vacuum system of the KATRIN Main Spectrometer	2016	M. Arenz M. Babutzka M. Bahr John Barrett Stephan Bauer M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann U. Besserer	5
+ PDF Chat	A UV LED-based fast-pulsed photoelectron source for time-of-flight studies	2009	K. Valerius M. Beck Heinrich F. Arlinghaus J. Bonn V. Hannen Hans‐Joachim Hein B. Ostrick Sebastian Streubel C. Weinheimer M. Zbořil	5
+ PDF Chat	Kassiopeia: a modern, extensible C++ particle tracking package	2017	D. Furse Stefan Groh N. Trost M. Babutzka John Barrett J. Behrens N. Buzinsky T.J. Corona S. Enomoto M. Erhard	5
+ PDF Chat	Technical design and commissioning of the KATRIN large-volume air coil system	2018	M. Erhard J. Behrens Stephan Bauer A. Beglarian Rainer Berendes G. Drexlin F. Glück R. Gumbsheimer Jan Hergenhan B. Leiber	5
+ PDF Chat	A pulsed, mono-energetic and angular-selective UV photo-electron source for the commissioning of the KATRIN experiment	2017	J. Behrens P. C.-O. Ranitzsch M. Beck A. Beglarian M. Erhard Stefan Groh V. Hannen M. Kraus H.-W. Ortjohann O. Rest	5
+ PDF Chat	Effect of a sweeping conductive wire on electrons stored in a Penning-like trap between the KATRIN spectrometers	2010	M. Beck K. Valerius J. Bonn K. Essig F. Glück H.-W. Ortjohann B. Ostrick Ernst W. Otten Th. Thümmler M. Zbořil	4
+ PDF Chat	Measurement of the gas-flow reduction factor of the KATRIN DPS2-F differential pumping section	2011	S. Lukić B. Bornschein L. Bornschein G. Drexlin A. Kosmider K. Schlösser A. Windberger	4
+ PDF Chat	Radon induced background processes in the KATRIN pre-spectrometer	2011	F. M. Fränkle L. Bornschein G. Drexlin F. Glück S. Görhardt Wolfgang Käfer S. Mertens N. Wandkowsky J. Wolf	4
+ PDF Chat	Prototype of an angular-selective photoelectron calibration source for the KATRIN experiment	2011	K. Valerius Hans‐Joachim Hein H. Baumeister M. Beck K. Bokeloh J. Bonn F. Glück H.-W. Ortjohann B. Ostrick M. Zbořil	4
+ PDF Chat	First transmission of electrons and ions through the KATRIN beamline	2018	M. Arenz Woo-Jeong Baek M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann A. I. Berlëv U. Besserer K. Blaum T. Bode	4
+ PDF Chat	The KATRIN superconducting magnets: overview and first performance results	2018	M. Arenz Woo-Jeong Baek M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann A. I. Berlëv U. Besserer K. Blaum T. Bode	4
+ PDF Chat	Calibration of high voltages at the ppm level by the difference of $$^{83{\mathrm{m}}}$$Kr conversion electron lines at the KATRIN experiment	2018	M. Arenz Woo-Jeong Baek M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann A. I. Berlëv U. Besserer K. Blaum T. Bode	4
+	Muon-induced background in the KATRIN main spectrometer	2019	K. Altenmüller M. Arenz Woo-Jeong Baek M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann A. I. Berlëv U. Besserer K. Blaum	3
+ PDF Chat	Next generation KATRIN high precision voltage divider for voltages up to 65kV	2013	Stephan Bauer Rainer Berendes Frank Hochschulz H.-W. Ortjohann S. S. E. Rosendahl T. Thümmler Matthias Schmidt C. Weinheimer	3
+ PDF Chat	$$\upbeta $$-Decay spectrum, response function and statistical model for neutrino mass measurements with the KATRIN experiment	2019	M. Kleesiek J. Behrens G. Drexlin K. Eitel M. Erhard J. A. Formaggio F. Glück Stefan Groh M. Hötzel S. Mertens	3
+ PDF Chat	Background due to stored electrons following nuclear decays in the KATRIN spectrometers and its impact on the neutrino mass sensitivity	2012	S. Mertens G. Drexlin F. M. Fränkle D. Furse F. Glück S. Görhardt M. Hötzel Wolfgang Käfer B. Leiber T. Thümmler	3
+ PDF Chat	Improved Upper Limit on the Neutrino Mass from a Direct Kinematic Method by KATRIN	2019	M. Aker K. Altenmüller M. Arenz M. Babutzka John Barrett Stephan Bauer M. Beck A. Beglarian J. Behrens Thaisa Storchi‐Bergmann	3
+ PDF Chat	Impact of a cryogenic baffle system on the suppression of radon-induced background in the KATRIN Pre-Spectrometer	2018	S. Görhardt J. Bonn L. Bornschein G. Drexlin F. M. Fränkle R. Gumbsheimer S. Mertens F.R. Müller T. Thümmler N. Wandkowsky	3
+ PDF Chat	Evidence for Oscillation of Atmospheric Neutrinos	1998	Y. Fukuda T. Hayakawa E. Ichihara K. Inoue K. Ishihara H. Ishino Y. Itow T. Kajita J. Kameda S. Kasuga	3
+ PDF Chat	Direct Evidence for Neutrino Flavor Transformation from Neutral-Current Interactions in the Sudbury Neutrino Observatory	2002	Rushdy Ahmad R. C. Allen Thomas Andersen J. D. Anglin J. C. Barton E. W. Beier M. Bercovitch J. Bigu S. D. Biller R. A. Black	3
+ PDF Chat	Gamma-induced background in the KATRIN main spectrometer	2019	K. Altenmüller M. Arenz Woo-Jeong Baek M. Beck A. Beglarian J. Behrens A. I. Berlëv U. Besserer K. Blaum F. Block	3
+ PDF Chat	Detection system for forward emitted photons at the Experimental Storage Ring at GSI	2013	V. Hannen Denis Anielski C. Geppert Raphael Jöhren T. Kühl Matthias Lochmann R. López-Coto W. Nörtershäuser H.-W. Ortjohann R. Sánchez	2
+ PDF Chat	Ultra-stable implanted<sup>83</sup>Rb/<sup>83<i>m</i></sup>Kr electron sources for the energy scale monitoring in the KATRIN experiment	2013	M. Zbořil Stephan Bauer M. Beck J. Bonn O. Dragoun J. Jakůbek K. Johnston A. Kovalík E. Otten K. Schlösser	2
+ PDF Chat	Massive neutrinos and cosmology	2006	J Lesgourgues S. Pastor	2
+ PDF Chat	Unified approach to the classical statistical analysis of small signals	1998	G. J. Feldman R. Cousins	2
+ PDF Chat	An angular-selective electron source for the KATRIN experiment	2014	M. Beck K. Bokeloh Hans‐Joachim Hein Stephan Bauer H. Baumeister J. Bonn H.-W. Ortjohann B. Ostrick S. S. E. Rosendahl Sebastian Streubel	2
+ PDF Chat	Review of Particle Physics	2014	Brian D. Fields P. Molaro S. Sarkar	2
+ PDF Chat	The KATRIN experiment	2010	M. Beck	2
+ PDF Chat	On the use of the covariance matrix to fit correlated data	1994	G. D’Agostini	2
+ PDF Chat	QED tests with highly charged ions	2019	P. Indelicato	2
+ PDF Chat	Technical design and commissioning of a sensor net for fine-meshed measuring of the magnetic field at the KATRIN spectrometer	2018	J. Letnev W. Hazenbiller A. Osipowicz A. Beglarian H. Bouquet G. Drexlin F. Glück Joshua Garbe Hartmut Hillmer P. Marte	2
+	The ALICE TPC, a large 3-dimensional tracking device with fast readout for ultra-high multiplicity events	2010	J. Alme Y. Andres H. Appelshäuser S. Bablok N. Bialas R. Bolgen U. Bonnes R. Bramm P. Braun‐Munzinger R. Campagnolo	2
+	Neutrinoless Double-Beta Decay: Status and Prospects	2019	M. J. Dolinski A. W. P. Poon Werner Rodejohann	2
+ PDF Chat	First operation of the KATRIN experiment with tritium	2020	M. Aker Konrad Altenmüller M. Arenz Woo-Jeong Baek John Barrett A. Beglarian J. Behrens A. I. Berlëv U. Besserer K. Blaum	2
+ PDF Chat	Observation of the hyperfine transition in lithium-like bismuth<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">Bi</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>209</mml:mn></mml:mrow></mml:mmultiscripts><mml:msup><mml:mrow /><mml:mrow><mml:mn>80</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math>: Towards a test of QED in strong magnetic fields	2014	Matthias Lochmann Raphael Jöhren Christopher Geppert Zoran Andelkovic Denis Anielski Benjamin Botermann Michael Bußmann A. Dax N. Frömmgen M. Hammen	2
+	The KATRIN pre-spectrometer at reduced filter energy	2012	M. Prall P. Renschler F. Glück A. Beglarian H. Bichsel L. Bornschein Z. Chaoui G. Drexlin F. M. Fränkle S. Görhardt	2
+ PDF Chat	Relativistic configuration-interaction calculations of the energy levels of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>1</mml:mn><mml:msup><mml:mi>s</mml:mi><mml:mn>2</mml:mn></mml:msup><mml:mn>2</mml:mn><mml:mi>l</mml:mi></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>1</mml:mn><mml:mi>s</mml:mi><mml:mn>2</mml:mn><mml:mi>l</mml:mi><mml:mn>2</mml:mn><mml:msup><mml:mi>l</mml:mi><mml:mo>′</mml:mo></mml:msup…	2017	V. A. Yerokhin A. Surzhykov A. Müller	2
+	Cooling rates and intensity limitations for laser-cooled ions at relativistic energies	2018	L. Eidam Oliver Boine‐Frankenheim D. Winters	2
+ PDF Chat	A broad-band FT-ICR Penning trap system for KATRIN	2009	M. Ubieto-Díaz D. Rodrı́guez S. Lukić Szilvia Nagy S. Ståhl K. Blaum	2
+ PDF Chat	Validation of a model for radon-induced background processes in electrostatic spectrometers	2013	N. Wandkowsky G. Drexlin F. M. Fränkle F. Glück Stefan Groh S. Mertens	2
+ PDF Chat	Neutrino mass sensitivity by MAC-E-Filter based time-of-flight spectroscopy with the example of KATRIN	2013	N. Steinbrink V. Hannen E. L. Martín R. G. H. Robertson M. Zacher Christian Weinheimer	2
+ PDF Chat	Assessment of molecular effects on neutrino mass measurements from tritium<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math>decay	2015	Laura Bodine D. S. Parno R. G. H. Robertson	2
+ PDF Chat	KATRIN sensitivity to sterile neutrino mass in the shadow of lightest neutrino mass	2012	Arman Esmaili O. L. G. Peres	1