V. Burkert

activity

19982026

S = + 1

Baryon in Exclusive Photoproduction from the Deuteron

396 citations · 12.1k across the 280 of their papers we have counts for

collaborators

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61 papers · 1 filter

hep-ex2023

First measurement of hard exclusive $π^{-} Δ^{++}$ electroproduction beam-spin asymmetries off the proton

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

The polarized cross section ratio $σ_{L T^{'}} / σ_{0}$ from hard exclusive $π^{-} Δ^{++}$ electroproduction off an unpolarized hydrogen target has been extracted based on beam-spin asym…

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★ 10 cited

Searching for Prompt and Long-Lived Dark Photons in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

P. H. Adrian, N. A. Baltzell, M. Battaglieri +81

The Heavy Photon Search experiment (HPS) at the Thomas Jefferson National Accelerator Facility searches for electro-produced dark photons. We report results from the 2016 Engineeri…

hep-ex2022

A multidimensional study of the structure function ratio $σ_{L T^{'}} / σ_{0}$ from hard exclusive $π^{+}$ electro-production off protons in the GPD regime

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

A multidimensional extraction of the structure function ratio $σ_{L T^{'}} / σ_{0}$ from the hard exclusive $e p \to e^{'} n π^{+}$ reaction above the resonance region has been pe…

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…

hep-ex2021★ 34 cited

First-time measurement of Timelike Compton Scattering

P. Chatagnon, S. Niccolai, S. Stepanyan +146

We present the first measurement of the Timelike Compton Scattering process, $γ p \to p^{'} γ^{*} (γ^{*} \to e^{+} e^{-})$ , obtained with the CLAS12 detector at Jefferson Lab. The photon b…

hep-ex2021

Improved $Λ p$ Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State

CLAS Collaboration, J. Rowley, N. Compton +143

Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a significant part in the…

hep-ex2021★ 9 cited

Differential cross sections for Λ(1520) using photoproduction at CLAS

U. Shrestha, T. Chetry, C. Djalali +130

The reaction $γ p \to K^{+} Λ (1520)$ using photoproduction data from the CLAS $g 12$ experiment at Jefferson Lab is studied. The decay of $Λ (1520)$ into two exclusive channel…

hep-ex2021★ 27 cited

Observation of Beam Spin Asymmetries in the Process $e p \to e π^{+} π^{-} X$ with CLAS12

T. B. Hayward, C. Dilks, A. Vossen +140

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 we…

hep-ex2021

Multidimensional, high precision measurements of beam single spin asymmetries in semi-inclusive $π^{+}$ electroproduction off protons in the valence region

S. Diehl, A. Kim, G. Angelini +153

High precision measurements of the polarized electron beam-spin asymmetry in semi-inclusive deep inelastic scattering (SIDIS) from the proton have been performed using a 10.6~GeV i…

hep-ex2020★ 14 cited

Beam spin asymmetry in semi-inclusive electroproduction of a hadron pair

M. Mirazita, H. Avakian, A. Courtoy +140

A first measurement of the longitudinal beam spin asymmetry ALU in the semi-inclusive electroproduction of pairs of charged pions is reported. ALU is a higher-twist observable and…

hep-ex2018★ 3 cited

Search for a Dark Photon in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

P. H. Adrian, N. A. Baltzell, M. Battaglieri +74

The Heavy Photon Search experiment took its first data in a 2015 engineering run using a 1.056 GeV, 50 nA electron beam provided by CEBAF at the Thomas Jefferson National Accelerat…

hep-ex2018★ 49 cited

Search for a Dark Photon in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

P. H. Adrian, N. A. Baltzell, M. Battaglieri +74

The Heavy Photon Search experiment took its first data in a 2015 engineering run at the Thomas Jefferson National Accelerator Facility, searching for a prompt, electro-produced dar…

hep-ex2017★ 21 cited

Exclusive photoproduction of $π^{0}$ up to large values of Mandelstam variables $s, t$ and $u$ with CLAS

M. C. Kunkel, 32, 18 M. J. Amaryan +156

Exclusive photoproduction cross sections have been measured for the process $γ p \to p π^{0} (e^{+} e^{-} (γ))$ with the Dalitz decay final state using tagged photon energies in the r…

hep-ex2015★ 21 cited

A search for baryon- and lepton-number violating decays of $Λ$ hyperons using the CLAS detector at Jefferson Laboratory

M. E. McCracken, M. Bellis, K. P. Adhikari +128

We present a search for ten baryon-number violating decay modes of $Λ$ hyperons using the CLAS detector at Jefferson Laboratory. Nine of these decay modes result in a single meson…

hep-ex2015★ 105 cited

Cross sections for the exclusive photon electroproduction on the proton and Generalized Parton Distributions

H. S. Jo, F. X. Girod, H. Avakian +7

Unpolarized and beam-polarized four-fold cross sections $\frac{d ^{4} σ}{d Q ^{2} d x _{B} d t d ϕ}$ for the $e p \to e^{'} p^{'} γ$ reaction were measured using the CLAS detector and the 5…

hep-ex2015★ 64 cited

Single and double spin asymmetries for deeply virtual Compton scattering measured with CLAS and a longitudinally polarized proton target

S. Pisano, A. Biselli, S. Niccolai +4

Single-beam, single-target, and double-spin asymmetries for hard exclusive photon production on the proton $e p \to e^{'} p^{'} γ$ are presented. The data were taken at Jeffers…

hep-ex2014★ 51 cited

Longitudinal target-spin asymmetries for deeply virtual Compton scattering

E. Seder, A. Biselli, S. Pisano +2

A measurement of the electroproduction of photons off protons in the deeply inelastic regime was performed at Jefferson Lab using a nearly 6-GeV electron beam, a longitudinally pol…

hep-ex2014★ 56 cited

Spin and parity measurement of the Lambda(1405) baryon

Kei Moriya, Reinhard A. Schumacher

A determination of the spin and parity of the $Λ (1405)$ is presented using photoproduction data from the CLAS detector at Jefferson Lab. The reaction $γ + p \to K^{+} + Λ (1405)$ is an…

hep-ex2014★ 29 cited

Beam-spin asymmetries from semi-inclusive pion electroproduction

CLAS Collaboration, W. Gohn, H. Avakian +2

We have measured the moment $A_{LU}^{s i n ϕ}$ corresponding to the polarized electron beam-spin asymmetry in SIDIS. $A_{LU}^{s i n ϕ}$ is a twist-3 quantity providing information abou…

hep-ex2012★ 62 cited

Measurement of Exclusive $π^{0}$ Electroproduction Structure Functions and their Relationship to Transversity GPDs

CLAS Collaboration, I. Bedlinskiy, V. Kubarovsky +151

Exclusive $π^{0}$ electroproduction at a beam energy of 5.75 GeV has been measured with the Jefferson Lab CLAS spectrometer. Differential cross sections were measured at more than 18…

hep-ex2012★ 3 cited

Comment on the narrow structure reported by Amaryan et al

M. Anghinolfi, J. Ball, N. A. Baltzell +94

The CLAS Collaboration provides a comment on the physics interpretation of the results presented in a paper published by M. Amaryan et al. regarding the possible observation of a n…

hep-ex2011★ 36 cited

Precise Measurements of Beam Spin Asymmetries in Semi-Inclusive $π^{0}$ production

M. Aghasyan, H. Avakian, P. Rossi +151

We present studies of single-spin asymmetries for neutral pion electroproduction in semi-inclusive deep-inelastic scattering of 5.776 GeV polarized electrons from an unpolarized hy…

hep-ex2010★ 98 cited

Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target

The CLAS Collaboration, H. Avakian, P. Bosted +145

We report the first measurement of the transverse momentum dependence of double spin asymmetries in semi-inclusive production of pions in deep inelastic scattering off the longitud…

First measurement of hard exclusive π−Δ++ electroproduction beam-spin asymmetries off the proton

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

Searching for Prompt and Long-Lived Dark Photons in Electro-Produced e+e− Pairs with the Heavy Photon Search Experiment at JLab

A multidimensional study of the structure function ratio σLT′​/σ0​ from hard exclusive π+ electro-production off protons in the GPD regime

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

First-time measurement of Timelike Compton Scattering

Improved Λp Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State

Differential cross sections for Λ(1520) using photoproduction at CLAS

Observation of Beam Spin Asymmetries in the Process ep→eπ+π−X with CLAS12

Multidimensional, high precision measurements of beam single spin asymmetries in semi-inclusive π+ electroproduction off protons in the valence region

Beam spin asymmetry in semi-inclusive electroproduction of a hadron pair

Search for a Dark Photon in Electro-Produced e+e− Pairs with the Heavy Photon Search Experiment at JLab

Search for a Dark Photon in Electro-Produced e+e− Pairs with the Heavy Photon Search Experiment at JLab

Exclusive photoproduction of π0 up to large values of Mandelstam variables s,t and u with CLAS

A search for baryon- and lepton-number violating decays of Λ hyperons using the CLAS detector at Jefferson Laboratory

Cross sections for the exclusive photon electroproduction on the proton and Generalized Parton Distributions

Single and double spin asymmetries for deeply virtual Compton scattering measured with CLAS and a longitudinally polarized proton target

Longitudinal target-spin asymmetries for deeply virtual Compton scattering

Spin and parity measurement of the Lambda(1405) baryon

Beam-spin asymmetries from semi-inclusive pion electroproduction

Measurement of Exclusive π0 Electroproduction Structure Functions and their Relationship to Transversity GPDs

Comment on the narrow structure reported by Amaryan et al

Precise Measurements of Beam Spin Asymmetries in Semi-Inclusive π0 production

Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target

First measurement of hard exclusive $π^{-} Δ^{++}$ electroproduction beam-spin asymmetries off the proton

Searching for Prompt and Long-Lived Dark Photons in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

A multidimensional study of the structure function ratio $σ_{L T^{'}} / σ_{0}$ from hard exclusive $π^{+}$ electro-production off protons in the GPD regime

Improved $Λ p$ Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State

Observation of Beam Spin Asymmetries in the Process $e p \to e π^{+} π^{-} X$ with CLAS12

Multidimensional, high precision measurements of beam single spin asymmetries in semi-inclusive $π^{+}$ electroproduction off protons in the valence region

Search for a Dark Photon in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

Search for a Dark Photon in Electro-Produced $e^{+} e^{-}$ Pairs with the Heavy Photon Search Experiment at JLab

Exclusive photoproduction of $π^{0}$ up to large values of Mandelstam variables $s, t$ and $u$ with CLAS

A search for baryon- and lepton-number violating decays of $Λ$ hyperons using the CLAS detector at Jefferson Laboratory

Measurement of Exclusive $π^{0}$ Electroproduction Structure Functions and their Relationship to Transversity GPDs

Precise Measurements of Beam Spin Asymmetries in Semi-Inclusive $π^{0}$ production