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arxiv: 2110.15186 · v2 · pith:YGC4MYJCnew · submitted 2021-10-28 · ⚛️ physics.ins-det · hep-ex

The trigger and data acquisition system of the FASER experiment

FASER Collaboration: Henso Abreu , Elham Amin Mansour , Claire Antel , Akitaka Ariga , Tomoko Ariga , Florian Bernlochner , Tobias Boeckh , Jamie Boyd
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Lydia Brenner Franck Cadoux David Casper Charlotte Cavanagh Xin Chen Andrea Coccaro Stephane Debieux Sergey Dmitrievsky Monica D'Onofrio Candan Dozen Yannick Favre Deion Fellers Jonathan L. Feng Didier Ferrere Enrico Gamberini Edward Karl Galantay Stephen Gibson Sergio Gonzalez-Sevilla Yuri Gornushkin Carl Gwilliam Shih-Chieh Hsu Zhen Hu Giuseppe Iacobucci Tomohiro Inada Sune Jakobsen Eliott Johnson Enrique Kajomovitz Felix Kling Umut Kose Susanne Kuehn Helena Lefebvre Lorne Levinson Ke Li Jinfeng Liu Chiara Magliocca Josh McFayden Matteo Milanesio Sam Meehan Dimitar Mladenov Theo Moretti Magdalena Munker Mitsuhiro Nakamura Toshiyuki Nakano Marzio Nessi Friedemann Neuhaus Laurie Nevay Hidetoshi Otono Carlo Pandini Hao Pang Lorenzo Paolozzi Brian Petersen Francesco Pietropaolo Markus Prim Michaela Queitsch-Maitland Filippo Resnati Chiara Rizzi Elisa Ruiz-Choliz Hiroki Rokujo Jakob Salfeld-Nebgen Osamu Sato Paola Scampoli Kristof Schmieden Matthias Schott Anna Sfyrla Savannah Shively Roland Sipos John Spencer Yosuke Takubo Noshin Tarannum Ondrej Theiner Eric Torrence Serhan Tufanli Svetlana Vasina Benedikt Vormwald Di Wang
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classification ⚛️ physics.ins-det hep-ex
keywords experimentfasersystemacquisitionatlasdataparticlestrigger
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The FASER experiment is a new small and inexpensive experiment that is placed 480 meters downstream of the ATLAS experiment at the CERN LHC. FASER is designed to capture decays of new long-lived particles, produced outside of the ATLAS detector acceptance. These rare particles can decay in the FASER detector together with about 500-1000 Hz of other particles originating from the ATLAS interaction point. A very high efficiency trigger and data acquisition system is required to ensure that the physics events of interest will be recorded. This paper describes the trigger and data acquisition system of the FASER experiment and presents performance results of the system acquired during initial commissioning.

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  1. First Measurement of the Muon Neutrino Interaction Cross Section and Flux as a Function of Energy at the LHC with FASER

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    First differential measurement of muon neutrino-nucleon cross section and flux in six TeV-scale energy bins using FASER at the LHC, with results consistent with Standard Model expectations.