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View article: Pre- and Post-operative Voice Therapy for Benign Vocal Fold Lesions: A feasibility Trial of the PAPOV Intervention
Pre- and Post-operative Voice Therapy for Benign Vocal Fold Lesions: A feasibility Trial of the PAPOV Intervention Open
View article: Measurement of the response function of the PIENU calorimeter
Measurement of the response function of the PIENU calorimeter Open
View article: Taking on RISC for Energy-Efficient Computing in HEP
Taking on RISC for Energy-Efficient Computing in HEP Open
In pursuit of energy-efficient solutions for computing in High Energy Physics (HEP) we have extended our investigations of non-x86 architectures beyond the ARM platforms that we have previously studied. In this work, we have taken a first loo…
View article: Heterogeneous Computing and Power Efficiency in HEP
Heterogeneous Computing and Power Efficiency in HEP Open
The Glasgow ScotGrid facility is now a truly heterogeneous site, with over 4,000 ARM cores representing about 20% of our compute capacity, which has enabled large-scale testing by the experiments and more detailed investigations of perform…
View article: Carbon Compromises: Minimising the Carbon-Cost and Power-Use of Grid Sites
Carbon Compromises: Minimising the Carbon-Cost and Power-Use of Grid Sites Open
This paper presents an overview of ways to reduce the carbonimpact of the Worldwide LHC Computing Grid (WLCG) along with specific results demonstrating the potential benefits of CPUs based on the ARM architecture. The choice of CPUs during…
View article: Latest results from precision measurements at the NA62 experiment
Latest results from precision measurements at the NA62 experiment Open
Then NA62 experiment at CERN collected the world's largest dataset of charged Kaons, the main goal being the measurement of the $\mathcal{B}(K^+ \rightarrow \pi^+ \nu \bar{\nu})$. New results from the analyses of rare kaon and piondecays u…
View article: Search for Physics beyond the Standard Model at NA62
Search for Physics beyond the Standard Model at NA62 Open
View article: Measurement of the response function of the PIENU calorimeter
Measurement of the response function of the PIENU calorimeter Open
Measurements of the response function of the PIENU NaI(T$\ell$) and CsI crystal calorimeter using a monochromatic 70 MeV/c positron beam at various incidence angles are described. The experimental setup and relevant physical processes invo…
View article: HEP Benchmark Suite: Enhancing Efficiency and Sustainability in Worldwide LHC Computing Infrastructures
HEP Benchmark Suite: Enhancing Efficiency and Sustainability in Worldwide LHC Computing Infrastructures Open
As the scientific community continues to push the boundaries of computing capabilities, there is a growing responsibility to address the associated energy consumption and carbon footprint. This responsibility extends to the Worldwide LHC C…
View article: Status of searches for rare kaon decays at NA62 \& HIKE
Status of searches for rare kaon decays at NA62 \& HIKE Open
Recent results from searches for rare kaon decays with the NA62 experiment at CERN are reported, together with the future prospects. A future experiment HIKE, to go beyond NA62, has been proposed to push kaon physics to an unprecedented fr…
View article: Physics Beyond the Standard Model with the NA62 experiment at CERN
Physics Beyond the Standard Model with the NA62 experiment at CERN Open
The first measurement of the branching ratio of the ultra-rare $K^+ \\to \\pi^+\\nu\\bar\\nu$ decay and the searches for production of feebly interacting particles predicted by dark scalar models from the NA62 experiment at CERN are presen…
View article: A holistic study of the WLCG energy needs for the LHC scientific program
A holistic study of the WLCG energy needs for the LHC scientific program Open
The WLCG infrastructure provides the compute power and storage capacity needed by the Large Hadron Collider (LHC) experiments at CERN. The infrastructure is distributed across over 170 data centres in more than 40 countries. The amount of …
View article: ARMing HEP for the future Energy Efficiency of WLCG sites (ARM vs. x86)
ARMing HEP for the future Energy Efficiency of WLCG sites (ARM vs. x86) Open
We present a case for ARM chips as an alternative to standard x86 at WLCG sites to help reduce power consumption. New measurements are presented on the performance and energy consumption of two machines (one ARM and one x86), that were oth…
View article: Risk factors associated with short-term complications in mandibular fractures: the MANTRA study—a Maxillofacial Trainee Research Collaborative (MTReC)
Risk factors associated with short-term complications in mandibular fractures: the MANTRA study—a Maxillofacial Trainee Research Collaborative (MTReC) Open
Introduction Complications following mandibular fractures occur in 9–23% of patients. Identifying those at risk is key to prevention. Previous studies highlighted smoking, age and time from injury to presentation as risk factors but rarely…
View article: Measurement of the very rare $K^+ \to \pi^+ \nu \bar\nu$ decay
Measurement of the very rare $K^+ \to \pi^+ \nu \bar\nu$ decay Open
The decay K+→π+νν¯
\n, with a very precisely predicted branching ratio of less than 10−10
\n,
\nis among the best processes to reveal indirect effects of new physics.
\nThe NA62 experiment at CERN SPS is designed to study the K+→π+νν¯
\n d…
View article: Measurement of the very rare K+→π+νν decay at the NA62 experiment at CERN
Measurement of the very rare K+→π+νν decay at the NA62 experiment at CERN Open
The NA62 experiment reports the branching ratio measurement $BR(K^+\\to\\pi^+\\nu\\bar\\nu)$ at 68% CL, based on the observation of 20 signal candidates with an expected background of 7.0 events from the total data sample collected at the …
View article: Search for K+ decays to a lepton and invisible particles
Search for K+ decays to a lepton and invisible particles Open
Searches for heavy neutral leptons $N$ in the $K^+\\to e^+N$ and $K^+\\to \\mu^+N$ decay channels using the dataset collected by the NA62 experiment at CERN between 2016-2018 are presented. Upper limits on the corresponding mixing matrix e…
View article: Search for Lepton Number and Flavor Violation in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>K</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> Decays
Search for Lepton Number and Flavor Violation in and Decays Open
Searches for the lepton number violating K^{+}→π^{-}μ^{+}e^{+} decay and the lepton flavor violating K^{+}→π^{+}μ^{-}e^{+} and π^{0}→μ^{-}e^{+} decays are reported using data collected by the NA62 experiment at CERN in 2017-2018. No eviden…
View article: Learning from the Pandemic: the Future of Meetings in HEP and Beyond
Learning from the Pandemic: the Future of Meetings in HEP and Beyond Open
The COVID-19 pandemic has by-and-large prevented in-person meetings since March 2020. While the increasing deployment of effective vaccines around the world is a very positive development, the timeline and pathway to "normality" is uncerta…
View article: Search for Heavy Neutrinos in \(\pi ^{ + } \to \mu ^{ + }\nu \) Decay and Status of Lepton Universality Test in the PIENU Experiment
Search for Heavy Neutrinos in \(\pi ^{ + } \to \mu ^{ + }\nu \) Decay and Status of Lepton Universality Test in the PIENU Experiment Open
In the present work of the PIENU experiment, heavy neutrinos were sought in pion decays \\(\\pi ^{ + } \\to \\mu ^{ + }\\nu \\). No evidence for extra peak was found in the muon kinetic energy spectrum and 90% confidence level upper limits…
View article: Drug ranking using machine learning systematically predicts the efficacy of anti-cancer drugs
Drug ranking using machine learning systematically predicts the efficacy of anti-cancer drugs Open
View article: Search for three body pion decays <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>l</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mi>ν</mml:mi><mml:mi>X</mml:mi></mml:math>
Search for three body pion decays Open
The three body pion decays
\nπ
\n+
\n→
\nl
\n+
\nν
\nX
\n(
\nl
\n=
\ne
\n,
\nμ
\n)
\n, where
\nX
\n is a weakly interacting neutral boson, were searched for using the full data set from the PIENU experiment. An improved limit on
\nΓ
\n(…
View article: Rituximab and obinutuzumab differentially hijack the B cell receptor and NOTCH1 signaling pathways
Rituximab and obinutuzumab differentially hijack the B cell receptor and NOTCH1 signaling pathways Open
View article: A hybrid system for monitoring and automated recovery at the Glasgow Tier-2 cluster
A hybrid system for monitoring and automated recovery at the Glasgow Tier-2 cluster Open
We have deployed a central monitoring and logging system based on Prometheus, Loki and Grafana that collects, aggregates and displays metrics and logs from the Tier-2 ScotGrid cluster at Glasgow. Bespoke dashboards built on Prometheus metr…
View article: Search for lepton number violation and other exotic processes at NA62
Search for lepton number violation and other exotic processes at NA62 Open
NA62 is a fixed target experiment at CERN, with the main goal of measuring the branching ratio of the very rare decay $K$$^{+}$ → $\\pi$$^{+}$$\\nu$$\\bar{\\nu}$ However, the wide physics program covered by the experiment allows the search…
View article: Search for the rare decays <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>μ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msub><mml:mi>ν</mml:mi><mml:mi>μ</mml:mi></mml:msub><mml:mi>ν</mml:mi><mml:mover accent="true"><mml:mi>ν</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msub><mml:mi>ν</mml:mi><mml:mi>e</mml:mi></mml:msub><mml:mi>ν</mml:mi><mml:mover accent="true"><mml:mi>ν</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math>
Search for the rare decays and Open
The rare pion decays
\nπ
\n+
\n→
\nμ
\n+
\nν
\nμ
\nν
\n¯
\nν
\n and
\nπ
\n+
\n→
\ne
\n+
\nν
\ne
\nν
\n¯
\nν
\n are allowed in the Standard Model but highly suppressed. These decays were searched for using data from the PIENU experiment. …
View article: Searches for lepton flavour and lepton number violation in K$^+$ decays
Searches for lepton flavour and lepton number violation in K$^+$ decays Open
The NA62 experiment at the CERN SPS is designed to conduct precision tests of the Standard Model by studying rare decays of charged kaons. NA62 took data in 2016-2018 and collected a large sample of charged kaon decays into final states wi…
View article: Search for the rare decays ${\pi}^+{\rightarrow}{\mu}^+{\nu}_{\mu}{\nu}\bar{\nu}$ and ${\pi}^+{\rightarrow}e^+{\nu}_{e}{\nu}\bar{\nu}$.
Search for the rare decays ${\pi}^+{\rightarrow}{\mu}^+{\nu}_{\mu}{\nu}\bar{\nu}$ and ${\pi}^+{\rightarrow}e^+{\nu}_{e}{\nu}\bar{\nu}$. Open
The rare pion decays ${\pi}^+{\rightarrow}{\mu}^+{\nu}_{\mu}{\nu}\bar{\nu}$ and ${\pi}^+{\rightarrow}e^+{\nu}_{e}{\nu}\bar{\nu}$ are allowed in the Standard Model but highly suppressed. These decays were searched for using data from the PI…
View article: Search for the rare decays $\\pi^+ \\to \\mu^+\\nu_\\mu\\nu\\bar\\nu$ and $\\pi^+ \\to e^+\\nu_e\\nu\\bar\\nu$
Search for the rare decays $\\pi^+ \\to \\mu^+\\nu_\\mu\\nu\\bar\\nu$ and $\\pi^+ \\to e^+\\nu_e\\nu\\bar\\nu$ Open
The rare pion decays ${\\pi}^+{\\rightarrow}{\\mu}^+{\\nu}_{\\mu}{\\nu}\\bar{\\nu}$ and ${\\pi}^+{\\rightarrow}e^+{\\nu}_{e}{\\nu}\\bar{\\nu}$ are allowed in the Standard Model but highly suppressed. These decays were searched for using da…
View article: Using Continous Deployment techniques to manage software change at a WLCG Tier-2
Using Continous Deployment techniques to manage software change at a WLCG Tier-2 Open
Continuous Integration (CI) and Continuous Development (CD) are common techniques in software development. Continuous Integration is the practice of bringing together code from multiple developers into a single repository, while Continuous…