1.2k citations · 2.2k across the 40 of their papers we have counts for
41 papers
Muonic atom spectroscopy with microgram target material
A. Adamczak, A. Antognini, N. Berger +26
Muonic atom spectroscopy -- the measurement of the x rays emitted during the formation process of a muonic atom -- has a long standing history in probing the shape and size of nucl…
Online Event Selection for Mu3e using GPUs
Valentin Henkys, Bertil Schmidt, Niklaus Berger
In the search for physics beyond the Standard Model the Mu3e experiment tries to observe the lepton flavor violating decay . By observing the decay pro…
Characterization of a continuous muon source for the Muon-Induced X-ray Emission (MIXE) Technique
Sayani Biswas, Lars Gerchow, Hubertus Luetkens +22
The toolbox for material characterization has never been richer than today. Great progress with all kinds of particles and interaction methods provide access to nearly all properti…
muEDM: Towards a search for the muon electric dipole moment at PSI using the frozen-spin technique
Mikio Sakurai, Andreas Adelmann, Malte Backhaus +8
The search for a permanent electric dipole moment (EDM) of the muon is an excellent probe for physics beyond the Standard Model of particle physics. We propose the first dedicated…
Search for the muon electric dipole moment using frozen-spin technique at PSI
K. S. Khaw, A. Adelmann, M. Backhaus +10
The presence of a permanent electric dipole moment in an elementary particle implies Charge-Parity symmetry violation and thus could help explain the matter-antimatter asymmetry ob…
Science Case for the new High-Intensity Muon Beams HIMB at PSI
M. Aiba, A. Amato, A. Antognini +33
In April 2021, scientists active in muon physics met to discuss and work out the physics case for the new High-Intensity Muon Beams (HIMB) project at PSI that could deliver of orde…
MuPix10: First Results from the Final Design
Heiko Augustin, Niklaus Berger, Sebastian Dittmeier +12
Many years of research and development of High Voltage Monolithic Active Pixel Sensors (HVMAPS) have culminated in the final design for the Mu3e pixel sensor. MuPix10 is a fully mo…
The Mu3e Data Acquisition
Heiko Augustin, Niklaus Berger, Alessandro Bravar +25
The Mu3e experiment aims to find or exclude the lepton flavour violating decay with a sensitivity of one in 10 muon decays. The first phase of the experim…
The measurement of the quadrupole moment of 185-Re and 187-Re from the hyperfine structure of muonic X rays
A. Antognini, N. Berger, T. E. Cocolios +23
The hyperfine splitting of the 5g -> 4f transitions in muonic 185,187-Re has been measured using high resolution HPGe detectors and compared to state-of-the-art atomic theoretical…
Performance of the large scale HV-CMOS pixel sensor MuPix8
H. Augustin, N. Berger, C. Blattgerste +26
The Mu3e experiment is searching for the charged lepton flavour violating decay , aiming for an ultimate sensitivity of one in decays. In an…
The P2 Experiment - A future high-precision measurement of the electroweak mixing angle at low momentum transfer
Dominik Becker, Razvan Bucoveanu, Carsten Grzesik +42
This article describes the future P2 parity-violating electron scattering facility at the upcoming MESA accelerator in Mainz. The physics program of the facility comprises indirect…
Efficiency and timing performance of the MuPix7 high-voltage monolithic active pixel sensor
Heiko Augustin, Niklaus Berger, Sebastian Dittmeier +17
The MuPix7 is a prototype high voltage monolithic active pixel sensor with 103 times 80 um2 pixels thinned to 64 um and incorporating the complete read-out circuitry including a 1.…
Irradiation study of a fully monolithic HV-CMOS pixel sensor design in AMS 180 nm
H. Augustin, N. Berger, S. Dittmeier +11
High-Voltage Monolithic Active Pixel Sensors (HV-MAPS) based on the 180 nm HV-CMOS process have been proposed to realize thin, fast and highly integrated pixel sensors. The MuPix7…
The MuPix Telescope: A Thin, high Rate Tracking Telescope
H. Augustin, N. Berger, S. Dittmeier +13
The MuPix Telescope is a particle tracking telescope, optimized for tracking low momentum particles and high rates. It is based on the novel High-Voltage Monolithic Active Pixel Se…
MuPix7 - A fast monolithic HV-CMOS pixel chip for Mu3e
H. Augustin, N. Berger, S. Dittmeier +17
The MuPix7 chip is a monolithic HV-CMOS pixel chip, thinned down to 50 μm. It provides continuous self-triggered, non-shuttered readout at rates up to 30 Mhits/chip of 3x3 mm^2 act…
Ultra-low material pixel layers for the Mu3e experiment
N. Berger, S. Dittmeier, L. Henkelmann +6
The upcoming Mu3e experiment will search for the charged lepton flavour violating decay of a muon at rest into three electrons. The maximal energy of the electrons is 53 MeV, hence…
A New Three-Dimensional Track Fit with Multiple Scattering
Niklaus Berger, Moritz Kiehn, Alexandr Kozlinskiy +1
Modern semiconductor detectors allow for charged particle tracking with ever increasing position resolution. Due to the reduction of the spatial hit uncertainties, multiple Coulomb…
The MuPix System-on-Chip for the Mu3e Experiment
Heiko Augustin, Niklaus Berger, Sebastian Dittmeier +14
Mu3e is a novel experiment searching for charged lepton flavor violation in the rare decay . Decay vertex position, decay time and particle momenta have…
Measuring the weak mixing angle with the P2 experiment at MESA
Niklaus Berger, Kurt Aulenbacher, Sebastian Baunack +15
The P2 experiment in Mainz aims to measure the weak mixing angle in electron- proton scattering to a precision of 0.13 %. In order to suppress uncertainties due to proton structure…
Multiple Coulomb Scattering in Thin Silicon
Niklaus Berger, Armen Buniatyan, Patrick Eckert +7
We present a measurement of multiple Coulomb scattering of 1 to 6 GeV/c electrons in thin (50-140 um) silicon targets. The data were obtained with the EUDET telescope Aconite at DE…
A Tracker for the Mu3e Experiment based on High-Voltage Monolithic Active Pixel Sensors
Niklaus Berger, Heiko Augustin, Sebastian Bachmann +9
The Mu3e experiment searches for the lepton flavour violating decay mu+ -> e+e-e+, aiming for a branching fraction sensitivity of 10^-16. This requires an excellent momentum resolu…
A novel experiment searching for the lepton flavour violating decay mu -> eee
Niklaus Berger
Since the discovery of neutrino oscillations it is known that lepton flavour is not conserved. Lepton flavour violating processes in the charged lepton sector have so far however e…
Partial Wave Analysis using Graphics Cards
Niklaus Berger
Partial wave analysis is a key technique in hadron spectroscopy. The use of unbinned likelihood fits on large statistics data samples and ever more complex physics models makes thi…
Partial wave analysis at BES III harnessing the power of GPUs
Niklaus Berger
Partial wave analysis is a core tool in hadron spectroscopy. With the high statistics data available at facilities such as the Beijing Spectrometer III, this procedure becomes comp…