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Timing Performance of the CMS High Granularity Calorimeter Prototype
CMS HGCAL collaboration
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 calibra…
Test of vector portal with dark fermions in the charge-exchange reactions in the NA64 experiment at CERN SPS
Sergei N. Gninenko, Dmitry V. Kirpichnikov, Sergey Kuleshov +2
We consider an experiment to search for dark sector particles in dark photon kinetic mixing model by analyze invisible and semi-invisible decays of neutral mesons , ,…
Probing invisible vector meson decay mode with hadronic beam in the NA64 experiment at SPS/CERN
Alexey S. Zhevlakov, Dmitry V. Kirpichnikov, Sergei N. Gninenko +2
We test a novel idea of using a beam in the fixed-target experiments to search for New Physics in the events with missing energy. Bounds for invisible vector meson decay…
Autoencoder-based Anomaly Detection System for Online Data Quality Monitoring of the CMS Electromagnetic Calorimeter
The CMS ECAL Collaboration
The CMS detector is a general-purpose apparatus that detects high-energy collisions produced at the LHC. Online Data Quality Monitoring of the CMS electromagnetic calorimeter is a…
Probing Light Dark Matter with positron beams at NA64
Yu. M. Andreev, A. Antonov, D. Banerjee +63
We present the results of a missing-energy search for Light Dark Matter which has a new interaction with ordinary matter transmitted by a vector boson, called dark photon $A^\prime…
Search for Light Dark Matter with accelerator and direct detection experiments: comparison and complementarity of recent results
S. N. Gninenko, D. V. Kirpichnikov, N. V. Krasnikov
We discuss the most sensitive constraints on Light Dark Matter (LDM) from accelerator experiments NA64 and BaBar and compare it with recent results from direct searches at XENON1T,…