activity
20182026
most citedObservation of azimuth-dependent suppression of hadron pairs in electron scattering off nuclei

9 citations · 15 across the 20 of their papers we have counts for

collaborators

20 papers

nucl-ex2026

O(p,)F Reaction and the C and O Isotopic Ratios in Red Giant Branch Stars

D. Robb, P. McGlynn, M. Aliotta +55

The O/O isotopic ratio is a widely used tracer of nucleosynthesis and mixing processes in red giant stars. Its value depends on the rates of the proton-capture reacti…

physics.acc-ph2024

Injection and capture of antiprotons in a Penning-Malmberg trap using a drift tube accelerator and degrader foil

C. Amsler, H. Breuker, M. Bumbar +33

The Antiproton Decelerator (AD) at CERN provides antiproton bunches with a kinetic energy of 5.3 MeV. The Extra-Low ENergy Antiproton ring at CERN, commissioned at the AD in 2018,…

nucl-ex2023★ 1 cited

Beam Charge Asymmetries for Deeply Virtual Compton Scattering on the Proton at CLAS12

E. Voutier, V. Burkert, S. Niccolai +76

The parameterization of the nucleon structure through Generalized Parton Distributions (GPDs) shed a new light on the nucleon internal dynamics. For its direct interpretation, Deep…

physics.atom-ph2023

Upgrade of the positron system of the ASACUSA-Cusp experiment

A. Lanz, C. Amsler, H. Breuker +35

The ASACUSA-Cusp collaboration has recently upgraded the positron system to improve the production of antihydrogen. Previously, the experiment suffered from contamination of the va…

physics.plasm-ph2023

Slow positron production and storage for the ASACUSA-Cusp experiment

D. J. Murtagh, C. Amsler, H. Breuker +35

The ASACUSA Cusp experiment requires the production of dense positron plasmas with a high repetition rate to produce a beam of antihydrogen. In this work, details of the positron p…

physics.plasm-ph2023

SDR, EVC, and SDREVC: Limitations and Extensions

E. D. Hunter, C. Amsler, H. Breuker +34

Methods for reducing the radius, temperature, and space charge of nonneutral plasma are usually reported for conditions which approximate an ideal Penning Malmberg trap. Here we sh…

nucl-ex2023

Measurement of the helicity asymmetry for the reaction in the resonance region

K. Chan, N. Zachariou, M. Bashkanov +9

The double-spin-polarization observable for has been measured with the CEBAF Large Acceptance Spectrometer (CLAS) at photon beam energies …

hep-ex2023

First measurement of hard exclusive electroproduction beam-spin asymmetries off the proton

S. Diehl, N. Trotta, K. Joo +142

The polarized cross section ratio from hard exclusive electroproduction off an unpolarized hydrogen target has been extracted based on beam-spin asym…

nucl-ex2023★ 1 cited

A new direct detection electron scattering experiment to search for the X17 particle

D. Dutta, H. Gao, A. Gasparian +57

A new electron scattering experiment (E12-21-003) to verify and understand the nature of hidden sector particles, with particular emphasis on the so-called X17 particle, has been a…

hep-ex2022

First CLAS12 measurement of DVCS beam-spin asymmetries in the extended valence region

CLAS Collaboration, G. Christiaens, M. Defurne +168

Deeply virtual Compton scattering (DVCS) allows one to probe Generalized Parton Distributions (GPDs) describing the 3D structure of the nucleon. We report the first measurement of…

hep-ex2022

A multidimensional study of the structure function ratio from hard exclusive electro-production off protons in the GPD regime

S. Diehl, A. Kim, K. Joo +151

A multidimensional extraction of the structure function ratio from the hard exclusive reaction above the resonance region has been pe…

nucl-ex2022

First Measurement of Electroproduction off Nuclei in the Current and Target Fragmentation Regions

T. Chetry, L. El Fassi, W. K. Brooks +151

We report results of hyperon production in semi-inclusive deep-inelastic scattering off deuterium, carbon, iron, and lead targets obtained with the CLAS detector and the Contin…

hep-ex2022★ 1 cited

First observation of correlations between spin and transverse momenta in back-to-back dihadron production at CLAS12

H. Avakian, T. B. Hayward, A. Kotzinian +153

We report the first measurements of deep inelastic scattering spin-dependent azimuthal asymmetries in back-to-back dihadron electroproduction, where two hadrons are produced in opp…

physics.ins-det2022★ 1 cited

Alignment of the CLAS12 central hybrid tracker with a Kalman Filter

S. J. Paul, A. Peck, M. Arratia +131

Several factors can contribute to the difficulty of aligning the sensors of tracking detectors, including a large number of modules, multiple types of detector technologies, and no…

nucl-ex2022★ 9 cited

Observation of azimuth-dependent suppression of hadron pairs in electron scattering off nuclei

S. J. Paul, S. Moran, M. Arratia +142

We present the first measurement of di-hadron angular correlations in electron-nucleus scattering. The data were taken with the CLAS detector and a 5.0 GeV electron beam incident o…

physics.ins-det2022

Upgrade of ASACUSA's Antihydrogen Detector

V. Kraxberger, C. Amsler, H. Breuker +35

The goal of the ASACUSA (Atomic Spectroscopy And Collisions Using Slow Antiprotons) CUSP experiment at CERN's Antiproton Decelerator is to measure the ground state hyperfine splitt…

physics.plasm-ph2022

Cyclotron cooling to cryogenic temperature in a Penning-Malmberg trap with a large solid angle acceptance

C. Amsler, H. Breuker, S. Chesnevskaya +35

Magnetized nonneutral plasma composed of electrons or positrons couples to the local microwave environment via cyclotron radiation. The equilibrium plasma temperature depends on th…

nucl-ex2022★ 1 cited

Exclusive Electroproduction off the Neutron in Deuterium in the Resonance Region

Y. Tian, R. W. Gothe, V. I. Mokeev +140

New results for the exclusive and quasi-free cross sections off neutrons bound in deuterium are presented over a wide final state hadron angle rang…

nucl-ex2021★ 1 cited

A Direct Detection Search for Hidden Sector New Particles in the 3-60 MeV Mass Range

A. Ahmidouch, S. Davis, A. Gasparian +57

In our quest to understand the nature of dark matter and discover its non-gravitational interactions with ordinary matter, we propose an experiment using a \pbo ~calorimeter to sea…

physics.ins-det2018

Report on Spring8 Test

Giulia Gosta

Gamma rays in the energy range from 6 to 38 MeV were produced and sent into two large volume LaBr3(Ce) crystals (3.5x8 inches) at the NewSUBARU facility, with the goal of investiga…