Abstract 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.

H. Abreu

E. Amin Mansour

C. Antel

A. Ariga

T. Ariga

F. Bernlochner

T. Boeckh

J. Boyd

L. Brenner

F. Cadoux

D.W. Casper

C. Cavanagh

X. Chen

A. Coccaro

S. Débieux

S. Dmitrievsky

M. D'Onofrio

C. Dozen

Y. Favre

D. Fellers

J.L. Feng

D. Ferrere

E. Gamberini

E.K. Galantay

S. Gibson

S. Gonzalez-Sevilla

Y. Gornushkin

C. Gwilliam

S.-C. Hsu

Z. Hu

G. Iacobucci

T. Inada

S. Jakobsen

E. Johnson

E. Kajomovitz

F. Kling

U. Kose

S. Kuehn

H. Lefebvre

L. Levinson

K. Li

J. Liu

C. Magliocca

J. McFayden

M. Milanesio

S. Meehan

D. Mladenov

T. Moretti

M. Munker

M. Nakamura

T. Nakano

M. Nessi

F. Neuhaus

L. Nevay

H. Otono

C. Pandini

H. Pang

L. Paolozzi

B. Petersen

F. Pietropaolo

M. Prim

M. Queitsch-Maitland

F. Resnati

C. Rizzi

H. Rokujo

E. Ruiz-Cholis

J. Salfeld-Nebgen

O. Sato

P. Scampoli

K. Schmieden

M. Schott

A. Sfyrla

S. Shively

R. Sipos

J. Spencer

Y. Takubo

N. Tarannum

O. Theiner

E. Torrence

S. Tufanli

S. Vasina

B. Vormwald

D. Wang

Journal of Instrumentation

JOURNAL OF INSTRUMENTATION (JINST) 涵盖与探测器物理、加速器科学和相关实验方法和技术、理论、建模和模拟中的概念和仪器相关的主要领域。主要学科领域包括。-加速器：概念、建模、模拟和源-加速器的仪器和硬件：粒子、同步辐射、中子-探测器物理学：概念、过程、方法、建模和模拟-粒子的探测器、设备和方法, 天文粒子、核、原子和分子物理学-等离子体研究的仪器和方法-天文学和天体物理学的方法和设备-生物医学应用、生命科学和材料研究的检测器、方法和设备-医学成像、诊断和技术的仪器和技术治疗-用于剂量测定、监测和辐射损伤的仪器和技术-检测器、无损检测 (NDT) 的仪器和方法-检测器读出概念、电子和数据采集方法-算法、软件和数据简化方法-材料和相关技术，等-工程和技术问题。JINST 还包括一个 SECTI致力于技术报告和仪器仪表论文。

The Journal of Instrumentation (JINST) covers the main areas related to detector physics, accelerator science, and associated experimental methods and techniques, as well as concepts and instruments in theory, modeling, and simulation. The primary subject areas include: - Accelerators: concepts, modeling, simulation, and sources; - Instruments and hardware for accelerators: particles, synchrotron radiation, neutrons; - Detector physics: concepts, processes, methods, modeling, and simulation; - Detectors, devices, and methods for particles, including astroparticles, nuclear, atomic, and molecular physics; - Instruments and methods for plasma research; - Methods and devices in astronomy and astrophysics; - Detectors, methods, and devices for biomedical applications, life sciences, and materials research; - Instruments and techniques for medical imaging, diagnostics, and therapeutic technologies; - Instruments and techniques for dosimetry, monitoring, and radiation damage; - Instruments and methods for detectors and non-destructive testing (NDT); - Concepts of detector readout, electronics, and data acquisition methods; - Algorithms, software, and data simplification methods; - Materials and related technologies; - Engineering and technical issues. JINST also includes a section dedicated to technical reports and instrumentation papers.

《Journal of Instrumentation》（JINST）涵盖了与探测器物理、加速器科学及相关实验方法和技术、理论、建模和模拟中的概念和仪器相关的主要领域。主要学科领域包括：- 加速器：概念、建模、模拟和源；- 加速器的仪器和硬件：粒子、同步辐射、中子；- 探测器物理学：概念、过程、方法、建模和模拟；- 粒子的探测器、设备和方法，天文粒子、核、原子和分子物理学；- 等离子体研究的仪器和方法；- 天文学和天体物理学的方法和设备；- 生物医学应用、生命科学和材料研究的检测器、方法和设备；- 医学成像、诊断和治疗技术的仪器和技术；- 用于剂量测定、监测和辐射损伤的仪器和技术；- 检测器、无损检测（NDT）的仪器和方法；- 检测器读出概念、电子和数据采集方法；- 算法、软件和数据简化方法；- 材料和相关技术等；- 工程和技术问题。JINST还包括一个专门致力于技术报告和仪器仪表论文的部分。

The trigger and data acquisition system of the FASER experiment

FASER实验的触发与数据获取系统

Category	Quartile
工程技术	4
工程技术, 仪器仪表	4
工程技术, 核科学技术	4

The trigger and data acquisition system of the FASER experiment

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