442 citations · 5.6k across the 120 of their papers we have counts for
38 papers · 1 filter
Gain-Layer Project
Niels G. Sorgenfrei, Anna Rita Altamura, Cristina Besleaga +18
Gain-layer degradation from exposure to radiation limits the use of Low-Gain Avalanche Diodes (LGADs) in high energy particle physics detector experiments. Proper understanding of…
The CMS Phase-2 Fast Beam Condition Monitor prototype test with beam
G. Auzinger, H. Bakhshiansohi, A. E. Dabrowski +40
The Fast Beam Condition Monitor (FBCM) is a standalone luminometer for the High Luminosity LHC (HL-LHC) program of the CMS Experiment at CERN. The detector is under development and…
Electronics design and testing of the CMS Fast Beam Condition Monitor for HL-LHC
K. Shibin, G. Auzinger, H. Bakhshiansohi +24
The high-luminosity upgrade of the LHC (HL-LHC) brings unprecedented requirements for precision bunch-by-bunch luminosity measurement and beam-induced background monitoring in real…
Measurement of the fractional radiation length of a pixel module for the CMS Phase-2 upgrade via the multiple scattering of positrons
The Tracker Group of the CMS Collaboration
High-luminosity particle collider experiments such as the ones planned at the High-Luminosity Large Hadron Collider require ever-greater vertexing precision of the tracking detecto…
Beam Test Performance Studies of CMS Phase-2 Outer Tracker Module Prototypes
The Tracker Group of the CMS Collaboration
A new tracking detector will be installed as part of the Phase-2 upgrade of the CMS detector for the high-luminosity LHC era. This tracking detector includes the Inner Tracker, equ…
The CMS Fast Beam Condition Monitor for HL-LHC
G. Auzinger, H. Bakhshiansohi, A. Dabrowski +28
The high-luminosity upgrade of the LHC brings unprecedented requirements for real-time and precision bunch-by-bunch online luminosity measurement and beam-induced background monito…
SiPM understanding using simple Geiger-breakdown simulations
R. Klanner, J. Schwandt
The results of a 1-D Monte-Carlo program, which simulates the avalanche multiplication in diodes with depths of the order of 1 m based on the method proposed in Ref.1, are prese…
Evaluation of Planar Silicon Pixel Sensors with the RD53A Readout Chip for the Phase-2 Upgrade of the CMS Inner Tracker
The Tracker Group of the CMS Collaboration
The Large Hadron Collider (LHC) at CERN will undergo an upgrade in order to increase its luminosity to cms. The increased luminosity during this…
Investigation of high resistivity p-type FZ silicon diodes after 60Co γ-irradiation
Chuan Liao, Eckhart Fretwurst, Erika Garutti +6
In this work, the effects of Co -ray irradiation on high resistivity -type diodes have been investigated. The diodes were exposed to dose values of 0.1, 0.2, 1, a…
PeakOTron: A Python Module for Fitting Charge Spectra of Silicon Photomultipliers
Jack Rolph, Erika Garutti, Robert Klanner +2
A Python program has been developed which fits a published detector-response model to SiPM charge spectra to characterise SiPMs. Spectra for SiPMs illuminated by low intensity puls…
Self-heating Effect in Silicon-Photomultipliers
E. Garutti, R. Klanner, E. Popova +3
The main effect of radiation damage in a Silicon-Photolumtiplier (SiPM) is a dramatic increase in the dark current. The power dissipated, if not properly cooled, heats the SiPM, wh…
Radiation damage uniformity in a SiPM
O. Bychkova, E. Garutti, E. Popova +5
A dedicated single-cell SiPM structure is designed and measured to investigate the radiation damage effects on the gain and breakdown voltage of SiPMs exposed to a reactor neutron…
Test beam performance of a CBC3-based mini-module for the Phase-2 CMS Outer Tracker before and after neutron irradiation
The Tracker Group of the CMS Collaboration
The Large Hadron Collider (LHC) at CERN will undergo major upgrades to increase the instantaneous luminosity up to 5-7.5 cms. This High Luminosity upgr…
Can the electric field in radiation-damaged silicon pad diodes be determined by admittance and current measurements?
R. Klanner, J. Schwandt
A method is proposed for determining the electric field in highly-irradiated silicon pad diodes using admittance-frequency (Y-f ), and current measurements (I). The method is appli…
Radiation hardness study using SiPMs with single-cell readout
E. Garutti, E. Popova, P. Parygin +5
A dedicated single-cell SiPM structure is designed and measured to investigate the radiation damage effects on the gain and turn-off voltage of SiPMs exposed to a reactor neutron f…
Depth-dependent charge collection profile of pad diodes
Mohammadtaghi Hajheidari, Erika Garutti, Joern Schwandt +1
The collected charge of two pad diodes is measured along the diode width using a 5:2 GeV electron beam at the DESY II beam test facility. The electron beam enters parallel to the r…
A computer program to simulate the response of SiPMs
E. Garutti, R. Klanner, J. Rolph +1
A Monte Carlo program which simulates the response of SiPMs is presented. Input to the program are the mean number and the time distribution of Geiger discharges from light, as wel…
On the weighting field and admittance of irradiated Si-sensors
Robert Klanner, Joern Schwandt
In this paper the weighting field and the frequency dependence of the admittance Y of np pad sensors irradiated by 24 GeV/c protons to equivalent fluences in the range $Φ…
Determination of the electric field in highly-irradiated silicon sensors using edge-TCT measurements
R. Klanner, G. Kramberger, I. Mandic +3
A method is presented which allows to obtain the position-dependent electric field and charge density by fits to velocity profiles from edge-TCT data from silicon strip-detectors.…
On the weighting field of irradiated silicon detectors
Joern Schwandt, Robert Klanner
The understanding of the weighting field of irradiated silicon sensors is essential for calculating the response of silicon detectors in the radiation environment at accelerators l…
A new model for the TCAD simulation of the silicon damage by high fluence proton irradiation
Joern Schwandt, Eckhart Fretwurst, Erika Garutti +3
For the high-luminosity phase of the Large Hadron Collider (HL-LHC), at the expected position of the innermost pixel detector layer of the CMS and ATLAS experiments, the estimated…
Analysis methods for highly radiation-damaged SiPMs
S. Cerioli, E. Garutti, R. Klanner +3
Prototype SiPMs with 4384 pixels of dimensions m produced by KETEK have been irradiated with reactor neutrons to eight fluences between and $5\times 10^{…
The Adaptive Gain Integrating Pixel Detector at the European XFEL
Aschkan Allahgholi, Julian Becker, Annette Delfs +29
The Adaptive Gain Integrating Pixel Detector (AGIPD) is an x-ray imager, custom designed for the European x-ray Free-Electron Laser (XFEL). It is a fast, low noise integrating dete…
Study of point- and cluster-defects in radiation-damaged silicon
Elena M. Donegani, Eckhart Fretwurst, Erika Garutti +5
Non-ionising energy loss of radiation produces point defects and defect clusters in silicon, which result in a signifcant degradation of sensor performance. In this contribution re…