The CLAS12 spectrometer at Jefferson laboratory

VD Burkert, L Elouadrhiri, KP Adhikari… - Nuclear Instruments and …, 2020 - Elsevier
Abstract The CEBAF Large Acceptance Spectrometer for operation at 12 GeV beam energy
(CLAS12) in Hall B at Jefferson Laboratory is used to study electro-induced nuclear and …

First measurement of timelike Compton scattering

P Chatagnon, S Niccolai, S Stepanyan, MJ Amaryan… - Physical review …, 2021 - APS
We present the first measurement of the timelike Compton scattering process, γ p→ p′
γ*(γ*→ e+ e−), obtained with the CLAS12 detector at Jefferson Lab. The photon beam …

Observation of Beam Spin Asymmetries in the Process with CLAS12

TB Hayward, C Dilks, A Vossen, H Avakian, S Adhikari… - Physical review …, 2021 - APS
The observation of beam spin asymmetries in two-pion production in semi-inclusive deep
inelastic scattering off an unpolarized proton target is reported. The data presented here …

First Measurement of Hard Exclusive Electroproduction Beam-Spin Asymmetries off the Proton

S Diehl, N Trotta, K Joo, P Achenbach, Z Akbar… - Physical Review Letters, 2023 - APS
The polarized cross-section ratio σ LT′/σ 0 from hard exclusive π-Δ++ electroproduction off
an unpolarized hydrogen target has been extracted based on beam-spin asymmetry …

The CLAS12 drift chamber system

MD Mestayer, K Adhikari, RP Bennett… - Nuclear Instruments and …, 2020 - Elsevier
Abstract The CEBAF Large Acceptance Spectrometer at 12 GeV (CLAS12) is located in Hall
B, one of the experimental halls at Jefferson Lab. The forward part of CLAS12 is built around …

The CLAS12 forward tagger

A Acker, D Attié, S Aune, J Ball, P Baron… - Nuclear Instruments and …, 2020 - Elsevier
This document presents the technical layout and the performance of the CLAS12 Forward
Tagger (FT). The FT, composed of an electromagnetic calorimeter based on PbWO 4 …

The CLAS12 software framework and event reconstruction

V Ziegler, NA Baltzell, F Bossù, DS Carman… - Nuclear Instruments and …, 2020 - Elsevier
We describe offline event reconstruction for the CEBAF Large Acceptance Spectrometer at
12 GeV (CLAS12), including an overview of the offline reconstruction framework and …

Streaming readout for next generation electron scattering experiments

F Ameli, M Battaglieri, VV Berdnikov… - … Physical Journal Plus, 2022 - epjplus.epj.org
Current and future experiments at the high-intensity frontier are expected to produce an
enormous amount of data that needs to be collected and stored for offline analysis. Thanks …

The CLAS12 silicon vertex tracker

MA Antonioli, N Baltzell, S Boyarinov… - Nuclear Instruments and …, 2020 - Elsevier
For the 12 GeV upgrade of Jefferson Laboratory, a Silicon Vertex Tracker (SVT) has been
designed for the CLAS12 spectrometer using single-sided microstrip sensors fabricated by …

The CLAS12 trigger system

B Raydo, S Boyarinov, A Celentano, C Cuevas… - Nuclear Instruments and …, 2020 - Elsevier
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