B. Akgün
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View article: Effects of Polymerization Initiators on Plastic Scintillator Light Output
Effects of Polymerization Initiators on Plastic Scintillator Light Output Open
Polymerization initiators are commonly used to lower the processing temperatures and accelerate the synthesis of plastic scintillators. However, these additives can reduce light output. Since plastic scintillator tiles, fibers, and bars ar…
View article: Measuring the effect of repetitive stretching on the deformability of human red blood cells using optical tweezers
Measuring the effect of repetitive stretching on the deformability of human red blood cells using optical tweezers Open
Mechanical features of cells play a crucial role in many biological processes such as crawling, proliferation, spreading, stretching, contracting, division, and programmed cell death. The loss of cell viscoelasticity underlines different t…
View article: Back-end DAQ system prototype testing and integration on a full detector test system for the CMS HGCAL detector
Back-end DAQ system prototype testing and integration on a full detector test system for the CMS HGCAL detector Open
The CMS Collaboration will replace its current endcap calorimeters with the new high granularity calorimeter (HGCAL) for operations at the HL-LHC. The HGCAL back-end DAQ (Data Acquisition) system comprises 96 FPGA-based ATCA (Advanced Tele…
View article: An Overview of the CMS High Granularity Calorimeter
An Overview of the CMS High Granularity Calorimeter Open
Calorimetry at the High Luminosity LHC (HL-LHC) faces many challenges, particularly in the forward direction, such as radiation tolerance and large in-time event pileup. To meet these challenges, the CMS Collaboration is preparing to repla…
View article: The effect of radiation damage on the light yield and uniformity of candidate plastic scintillator tiles for the CMS hadron calorimeter upgrade
The effect of radiation damage on the light yield and uniformity of candidate plastic scintillator tiles for the CMS hadron calorimeter upgrade Open
A study has been performed to understand the effects of radiation damage on various plastic scintillator tiles considered for a possible upgrade of the hadron calorimeter of the CMS detector. Measurements were made with unirradiated tiles …
View article: Leakage current of high-fluence neutron-irradiated 8' silicon sensors for the CMS Endcap Calorimeter Upgrade
Leakage current of high-fluence neutron-irradiated 8' silicon sensors for the CMS Endcap Calorimeter Upgrade Open
The HL-LHC will challenge the detectors with a nearly 10-fold increase in integrated luminosity compared to the previous LHC runs combined, thus the CMS detector will be upgraded to face the higher levels of radiation and the larger amount…
View article: Using graph neural networks to reconstruct charged pion showers in the CMS High Granularity Calorimeter
Using graph neural networks to reconstruct charged pion showers in the CMS High Granularity Calorimeter Open
A novel method to reconstruct the energy of hadronic showers in the CMS High Granularity Calorimeter (HGCAL) is presented. The HGCAL is a sampling calorimeter with very fine transverse and longitudinal granularity. The active media are sil…
View article: Data Quality Monitoring for the Hadron Calorimeters Using Transfer Learning for Anomaly Detection
Data Quality Monitoring for the Hadron Calorimeters Using Transfer Learning for Anomaly Detection Open
The proliferation of sensors brings an immense volume of spatio-temporal (ST) data in many domains, including monitoring, diagnostics, and prognostics applications. Data curation is a time-consuming process for a large volume of data, maki…
View article: Timing performance of the CMS High Granularity Calorimeter prototype
Timing performance of the CMS High Granularity Calorimeter prototype Open
This paper describes the experience with the calibration, reconstruction and evaluation of the timing capabilities of the CMS HGCAL prototype in the beam tests in 2018. The calibration procedure includes multiple steps and corrections rang…
View article: Characterization of plastic scintillator samples produced by a university-SME Collaboration
Characterization of plastic scintillator samples produced by a university-SME Collaboration Open
Scintillator samples are synthesized by a university-SME collaboration and the light yield, light emission and light transmission properties are studied with the aim of determining the fluor content that gives the highest light yield. Thre…
View article: Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20–300 GeV/c
Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20–300 GeV/c Open
The upgrade of the CMS experiment for the high luminosity operation of the LHC comprises the replacement of the current endcap calorimeter by a high granularity sampling calorimeter (HGCAL). The electromagnetic section of the HGCAL is base…
View article: Timing Performance of the CMS High Granularity Calorimeter Prototype
Timing Performance of the CMS High Granularity Calorimeter Prototype Open
This paper describes the experience with the calibration, reconstruction and evaluation of the timing capabilities of the CMS HGCAL prototype in the beam tests in 2018. The calibration procedure includes multiple steps and corrections rang…
View article: Response of a CMS HGCAL silicon-pad electromagnetic calorimeter prototype to 20–300 GeV positrons
Response of a CMS HGCAL silicon-pad electromagnetic calorimeter prototype to 20–300 GeV positrons Open
The Compact Muon Solenoid collaboration is designing a new high-granularity endcap calorimeter, HGCAL, to be installed later this decade. As part of this development work, a prototype system was built, with an electromagnetic section consi…
View article: An Educational Higgs Study with CMS Open Data
An Educational Higgs Study with CMS Open Data Open
The Compact Muon Solenoid (CMS) Experiment is one of the particle detectors at CERN’s Large Hadron Collider (LHC). The CMS Collaboration consists of more than 5000 scientists, engineers, technicians and students from more than 200 institut…
View article: Construction and commissioning of CMS CE prototype silicon modules
Construction and commissioning of CMS CE prototype silicon modules Open
As part of its HL-LHC upgrade program, the CMS collaboration is developing a High Granularity Calorimeter (CE) to replace the existing endcap calorimeters. The CE is a sampling calorimeter with unprecedented transverse and longitudinal rea…
View article: Construction and commissioning of CMS CE prototype silicon modules
Construction and commissioning of CMS CE prototype silicon modules Open
As part of its HL-LHC upgrade program, the CMS Collaboration is developing a High Granularity Calorimeter (CE) to replace the existing endcap calorimeters. The CE is a sampling calorimeter with unprecedented transverse and longitudinal rea…
View article: Pilot system for the Phase 1 pixel upgrade of CMS
Pilot system for the Phase 1 pixel upgrade of CMS Open
The CMS phase 1 pixel upgrade is planned for installation in 2016-2017, incorporating new frontend ASICs with digital 400 Mbps data links to handle a higher instantaneous luminosity of up to 2.5 x 10 34 cm -2 s -1 and trigger rates of 100 …
View article: Pilot System for the Phase 1 Pixel Upgrade
Pilot System for the Phase 1 Pixel Upgrade Open
The CMS phase 1 pixel upgrade is planned for installation in 2016-2017, incorporating new front-end ASICs with digital 400 Mbps data links to handle a higher instantaneous luminosity of up to 2.5 $x$ 10$^{34}$ cm$^{-2}$ s$^{-1}$ and trigge…
View article: Evaluation of potential salivary acetaldehyde production from ethanol in oral cancer patients and healthy subjects.
Evaluation of potential salivary acetaldehyde production from ethanol in oral cancer patients and healthy subjects. Open
According to the results of this study, the significantly higher levels of salivary acetaldehyde production in oral cancer patients and individuals with poor dental health status may suggest a possible link between increased salivary aceta…