SCOAP3 Repository 12 records found  1 - 10nextSearch took 0.01 seconds. 
1. Measurement of the beam spin asymmetry of e→p→e′p′η in the deep-inelastic regime with CLAS / Zhao, B. ; Kim, A. ; Joo, K. ; Bedlinskiy, I. ; et al
The beam spin asymmetry of the exclusive pseudoscalar channel e→p→e′p′η was measured for the first time in the deep-inelastic regime ( W>2 GeV/c2 and Q2>1 GeV2/c2 ) using a longitudinally polarized 5.78 GeV electron beam at Jefferson Lab with the CEBAF Large Acceptance Spectrometer. [...]
Published in Physics letters B 789 (2019) 426-431 10.1016/j.physletb.2018.12.065
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2. Search for a dark photon in electroproduced e+e pairs with the Heavy Photon Search experiment at JLab / Adrian, P. H. ; Baltzell, N. A. ; Battaglieri, M. ; Bondí, M. ; et al
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 Accelerator Facility, searching for a prompt, electroproduced dark photon with a mass between 19 and 81 MeV/c2. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.091101 arXiv:1807.11530
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3. First results on nucleon resonance photocouplings from the γp  →  π + π − p reaction / Golovatch, E. ; Burkert, V.D. ; Carman, D.S. ; Gothe, R.W. ; et al
We report the first experimental measurements of the nine 1-fold differential cross sections for the γp→π+π−p reaction, obtained with the CLAS detector at Jefferson Laboratory. [...]
Published in Physics letters B 788 (2019) 371-379 10.1016/j.physletb.2018.10.013
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4. Measurement of unpolarized and polarized cross sections for deeply virtual Compton scattering on the proton at Jefferson Laboratory with CLAS / Hirlinger Saylor, N. ; Guegan, B. ; Burkert, V.D. ; Elouadrhiri, L. ; et al
This paper reports the measurement of polarized and unpolarized cross sections for the epepγ reaction, which is composed of deeply virtual Compton scattering (DVCS) and Bethe-Heitler (BH) processes, at an electron beam energy of 5.88 GeV at the Thomas Jefferson National Accelerator Facility using the Large Acceptance Spectrometer CLAS. [...]
Published in Physical Review C 98 (2018) 10.1103/PhysRevC.98.045203 arXiv:1810.02110
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5. Photoproduction of K+K meson pairs on the proton / Lombardo, S. ; Battaglieri, M. ; Celentano, A. ; D’Angelo, A. ; et al
The exclusive reaction γppK+K was studied in the photon energy range 3.03.8 GeV and momentum transfer range 0.6<t<1.3 GeV2. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.052009 arXiv:1808.01918
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6. Exclusive photoproduction of π0 up to large values of Mandelstam variables s,t, and u with CLAS / Kunkel, M.C. ; Amaryan, M.J. ; Strakovsky, I.I. ; Ritman, J. ; et al
Exclusive photoproduction cross sections have been measured for the process γppπ0[e+e(γ)] with the Dalitz decay final state using tagged photon energies in the range of Eγ=1.2755.425 GeV. [...]
Published in Physical Review C 98 (2018) 10.1103/PhysRevC.98.015207 arXiv:1712.10314
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7. Semi-inclusive π 0 target and beam-target asymmetries from 6 GeV electron scattering with CLAS / Jawalkar, S. ; Koirala, S. ; Avakian, H. ; Bosted, P. ; et al
We present precision measurements of the target and beam-target spin asymmetries from neutral pion electroproduction in deep-inelastic scattering (DIS) using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.06.014
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8. PARTONS: PARtonic Tomography Of Nucleon Software / Berthou, B. ; Binosi, D. ; Chouika, N. ; Colaneri, L. ; et al
We describe the architecture and functionalities of a C++ software framework, coined PARTONS, dedicated to the phenomenology of Generalized Parton Distributions. [...]
Published in EPJC 78 (2018) 478 10.1140/epjc/s10052-018-5948-0
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9. Hard exclusive pion electroproduction at backward angles with CLAS / Park, K. ; Guidal, M. ; Gothe, R.W. ; Pire, B. ; et al
We report on the first measurement of cross sections for exclusive deeply virtual pion electroproduction off the proton, ep→e′nπ+ , above the resonance region at backward pion center-of-mass angles. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.03.026
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10. Photon beam asymmetry Σ in the reaction γ→p→pω for E γ = 1.152 to 1.876 GeV / Collins, P. ; Ritchie, B.G. ; Dugger, M. ; Klein, F.J. ; et al
Photon beam asymmetry Σ measurements for ω photoproduction in the reaction γ→p→ωp are reported for photon energies from 1.152 to 1.876 GeV. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.08.015
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