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In this study, a novel approach is demonstrated for converting calorimeter images from fast simulations to those akin to comprehensive full simulations, utilizing conditional Generative Adversarial Networks (GANs). The concept of pix2pix is…

High Energy Physics - Experiment · Physics 2024-12-11 Ebru Simsek , Bora Isildak , Anil Dogru , Reyhan , Aydogan Burak Bayrak , Seyda Ertekin

NEUCAL is a neutron detector which is currently under study to be used as a sub-detector complementing electromagnetic (e.m.) calorimeters for electron/hadron discrimination in cosmic rays at high energy. Its aim is to reveal the different…

In high-energy physics, anti-neutrons ($\bar{n}$) are fundamental particles that frequently appear as final-state particles, and the reconstruction of their kinematic properties provides an important probe for understanding the governing…

High Energy Physics - Experiment · Physics 2026-02-02 Hongtian Yu , Yangu Li , Mingrui Wu , Letian Shen , Yue Liu , Yunxuan Song , Qixiang Ye , Xiao-Rui Lyu , Yajun Mao , Yangheng Zheng , Yunfan Liu

We present the prospects of searches for neutral, long-lived particles which decay to photons using their time of arrival measured with a newly installed timing system on the electromagnetic calorimeter (EMTiming) of the Collider Detector…

High Energy Physics - Phenomenology · Physics 2009-11-10 Dave Toback , Peter Wagner

The Dark MAtter Particle Explorer (DAMPE) instrument is a space-borne cosmic-ray detector, capable of measuring ion fluxes up to $\sim$500 TeV/n. This energy scale is made accessible through its calorimeter, which is the deepest currently…

The electromagnetic calorimeter (ECAL) is a key detector component for precise electron and photon measurements in electron-ion collision experiments. At the Electron-Ion Collider in China (EicC), high-performance calorimetry is essential…

Instrumentation and Detectors · Physics 2026-03-23 Ye Tian , Souvik Maity , Jingyu Li , Yuancai Wu , Shan Sha , Yutie Liang , Aiqiang Guo , Yuxiang Zhao , Dexu Lin

The energy calibration and resolution of the electromagnetic calorimeter (ECAL) of the CMS detector have been determined using proton-proton collision data from LHC operation in 2010 and 2011 at a centre-of-mass energy of sqrt(s)=7 TeV with…

High Energy Physics - Experiment · Physics 2013-10-07 CMS Collaboration

The PADME apparatus was built at the Frascati National Laboratory of INFN to search for a dark photon ($A'$) produced via the process $e^+ e^- \rightarrow A' \gamma$. The central component of the PADME detector is an electromagnetic…

High Energy Physics - Experiment · Physics 2022-10-04 Kalina Dimitrova

Many searches for physics beyond the Standard Model at the Large Hadron Collider (LHC) rely on top tagging algorithms, which discriminate between boosted hadronic top quarks and the much more common jets initiated by light quarks and…

High Energy Physics - Phenomenology · Physics 2015-01-27 Leandro G. Almeida , Mihailo Backovic , Mathieu Cliche , Seung J. Lee , Maxim Perelstein

The physics programme for a coming electron linear collider is dominated by events with final states containing many jets. We develop in this paper the opinion that the best approach is to optimise the independent measurement of the tracks…

High Energy Physics - Experiment · Physics 2009-09-29 J-C. Brient , H. Videau

Accurate clustering of electromagnetic energy deposits is essential for reconstructing photons and electrons in modern hadron collider experiments, where boosted topologies and pileup cause overlapping showers and ambiguous energy…

High Energy Physics - Experiment · Physics 2026-03-20 Yuliia Maidannyk , Fabrice Couderc , Julie Malclès , Mehmet Özgür Sahin

Monoenergetic photons from a pulsed laser diode or LED are commonly used to calibrate the detector response of high-resolution calorimetric detectors. However, when the detector's resolution is larger than the energy of a single photon, a…

Instrumentation and Detectors · Physics 2026-05-26 William J. Matava , Michael R. Williams

A real-time autoencoder-based anomaly detection system using semi-supervised machine learning has been developed for the online Data Quality Monitoring system of the electromagnetic calorimeter of the CMS detector at the CERN LHC. A novel…

Instrumentation and Detectors · Physics 2024-07-31 Abhirami Harilal , Kyungmin Park , Manfred Paulini

A novel technique based on machine learning is introduced to reconstruct the decays of highly Lorentz-boosted particles. Using an end-to-end deep learning strategy, the technique bypasses existing rule-based particle reconstruction methods…

High Energy Physics - Experiment · Physics 2023-10-04 CMS Collaboration

Using detailed simulations of calorimeter showers as training data, we investigate the use of deep learning algorithms for the simulation and reconstruction of particles produced in high-energy physics collisions. We train neural networks…

Advanced detector R&D for both new and ongoing experiments in HEP requires performing computationally intensive and detailed simulations as part of the detector-design optimisation process. We propose a versatile approach to this task that…

Instrumentation and Detectors · Physics 2020-05-19 Alexey Boldyrev , Denis Derkach , Fedor Ratnikov , Andrey Shevelev

ALP-mediated decays and other as-yet unobserved $B$ decays to di-photon final states are a challenge to select in hadron collider environments due to the large backgrounds that come directly from the $pp$ collision. We present the strategy…

High Energy Physics - Experiment · Physics 2019-11-13 Sean Benson , Adrián Casais Vidal , Xabier Cid Vidal , Albert Puig Navarro

The operation and performance of the Compact Muon Solenoid (CMS) electromagnetic calorimeter (ECAL) are presented, based on data collected in pp collisions at $\sqrt{s}$ = 13 TeV at the CERN LHC, in the years from 2015 to 2018 (LHC Run 2),…

Instrumentation and Detectors · Physics 2024-09-06 CMS Collaboration

This study introduces chromatic calorimetry, a novel particle detection method that uses strategically layered scintillators with different emission wavelengths. This approach aims to enhance energy measurement by capturing particle…

Instrumentation and Detectors · Physics 2025-01-16 Devanshi Arora , Matteo Salomoni , Yacine Haddad , Vojtech Zabloudil , Michael Doser , Masaki Owari , Etiennette Auffray

Based on the established task of identifying boosted, hadronically decaying top quarks, we compare a wide range of modern machine learning approaches. Unlike most established methods they rely on low-level input, for instance calorimeter…