M. J. Amaryan

activity

20022025

most citedFirst Measurement of Beam-Recoil Observables Cx and Cz in Hyperon Photoproduction

161 citations · 856 across the 18 of their papers we have counts for

collaborators

18 papers

hep-ex2025★ 1 cited

Measurement of Spin-Density Matrix Elements in $ϕ (1020) \to K_{S}^{0} K_{L}^{0}$ Photoproduction with a Linearly Polarized Photon Beam at $E_{γ} = 8.2 - 8.8$ GeV

GlueX Collaboration

We measure the spin-density matrix elements (SDMEs) for the photoproduction of $ϕ (1020)$ off of the proton in its decay to $K_{S}^{0} K_{L}^{0}$ , using 105 pb $^{- 1}$ of data collected with…

nucl-ex2020★ 6 cited

Photoproduction of $η$ mesons off the proton for $1.2 < E_{γ} < 4.7$ GeV using CLAS at Jefferson Laboratory

T. Hu, Z. Akbar, V. Crede +148

Photoproduction cross sections are reported for the reaction $γ p \to p η$ using energy-tagged photons and the CLAS spectrometer at Jefferson Laboratory. The $η$ mesons are detected i…

nucl-ex2020

$^{12}$ C(e,e'pN) Measurements of Short Range Correlations in the Tensor-to-Scalar Interaction Transition Region

I. Korover, J. R. Pybus, A. Schmidt +7

High-momentum configurations of nucleon pairs at short-distance are probed using measurements of the $^{12}$ C $(e, e^{'} p)$ and $^{12}$ C $(e, e^{'} pN)$ reactions (where $N$ is either $n$ or…

nucl-ex2017★ 55 cited

Determination of the Proton Spin Structure Functions for 0.05 < Q^2 < 5 GeV^2 using CLAS

Robert Fersch, Nevzat Guler, Peter Bosted +7

We present the results of our final analysis of the full data set of g_1^p(Q^2), the spin structure function of the proton, collected using CLAS at Jefferson Lab in 2000-2001. Pola…

nucl-ex2016★ 33 cited

Photoproduction of the $f_{1} (1285)$ Meson

R. Dickson, R. A. Schumacher

The $f_{1} (1285)$ meson with mass $1281.0 \pm 0.8$ MeV/ $c^{2}$ and width $18.4 \pm 1.4$ MeV (FWHM) was measured for the first time in photoproduction from a proton target using CLAS at…

nucl-ex2016★ 60 cited

Photoproduction of $Λ$ and $Σ^{0}$ hyperons using linearly polarized photons

CLAS Collaboration, C. A. Paterson, D. G. Ireland +2

Background: Measurements of polarization observables for the reactions $γ p \to K^{+} Λ$ and $γ p \to K^{+} Σ^{0}$ have been performed. This is part of a programm…

nucl-ex2014★ 71 cited

Data analysis techniques, differential cross sections, and spin density matrix elements for the reaction $γ p \to ϕp$

B. Dey, C. A. Meyer, M. Bellis +1

High-statistics measurements of differential cross sections and spin density matrix elements for the reaction $γ p \to ϕp$ have been made using the CLAS detector at Jefferson Lab. W…

hep-ex2013★ 37 cited

$ϕ$ -meson photoproduction on Hydrogen in the neutral decay mode

CLAS Collaboration

We report the first measurement of the photoproduction cross section of the $ϕ$ meson in its neutral decay mode in the reaction $γ p \to pϕ (K_{S} K_{L})$ . The experiment was performed wi…

nucl-ex2012★ 25 cited

Separated Structure Functions for Exclusive $K^{+} Λ$ and $K^{+} Σ^{0}$ Electroproduction at 5.5 GeV with CLAS

D. S. Carman, K. Park, B. A. Raue +1

We report measurements of the exclusive electroproduction of $K^{+} Λ$ and $K^{+} Σ^{0}$ final states from an unpolarized proton target using the CLAS detector at the Thomas Jefferson Nati…

nucl-ex2009★ 38 cited

A measurement of the differential cross section for the reaction $γ n \to π^{-} p$ from deuterium

W. Chen, T. Mibe, D. Dutta +6

We report a measurement of the differential cross section for the $γ n \to π^{-} p$ process from the CLAS detector at Jefferson Lab in Hall B for photon energies between 1.0 and 3.5 G…

hep-ex2008★ 29 cited

First measurement of direct $f_{0} (980)$ photoproduction on the proton

CLAS Collaboration, M. Battaglieri, R. De Vita +1

We report on the results of the first measurement of exclusive $f_{0} (980)$ meson photoproduction on protons for $E_{γ} = 3.0 - 3.8$ GeV and $- t = 0.4 - 1.0$ GeV $^{2}$ . Data were collected w…

hep-ex2008★ 59 cited

Exclusive $ρ^{0}$ electroproduction on the proton at CLAS

CLAS collaboration

The $e p \to e^{'} p ρ^{0}$ reaction has been measured, using the 5.754 GeV electron beam of Jefferson Lab and the CLAS detector. This represents the largest ever set of data for t…

nucl-ex2008★ 35 cited

Electroproduction of $ϕ (1020)$ mesons at $1.4 \leq Q^{2} \leq$ GeV $^{2}$ measured with the CLAS spectrometer

J. P. Santoro, E. S. Smith, M. Garcon +3

Electroproduction of exclusive $ϕ$ vector mesons has been studied with the CLAS detector in the kinematical range $1.4 \leq Q^{2} \leq 3.8$ GeV $^{2}$ , $0.0 \leq t^{'} \leq 3.6$ GeV$…

hep-ex2007★ 29 cited

Beam spin asymmetry in deep and exclusive pi0 electroproduction

CLAS Collaboration, R. De Masi

The beam spin asymmetry (BSA) in the exclusive reaction ep->ep pi0 was measured with the CEBAF 5.77 GeV polarized electron beam and Large Acceptance Spectrometer(CLAS). The xB, Q2,…

nucl-ex2007★ 76 cited

Search for medium modification of the $ρ$ meson

R. Nasseripour, M. H. Wood, C. Djalali +5

The photoproduction of vector mesons on various nuclei has been studied using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Laboratory. The vector mesons, $ρ$ , $ω$ , a…

nucl-ex2007★ 97 cited

Q^2 Dependence of the S_{11}(1535) Photocoupling and Evidence for a P-wave resonance in eta electroproduction

H. Denizli, J. Mueller, S. Dytman et al.

New cross sections for the reaction $e p \to e^{'} η p$ are reported for total center of mass energy $W$ =1.5--2.3 GeV and invariant squared momentum transfer $Q^{2}$ =0.13--3.3 GeV $^{2}$ . Thi…

nucl-ex2006★ 161 cited

First Measurement of Beam-Recoil Observables Cx and Cz in Hyperon Photoproduction

R. Bradford, R. A. Schumacher, CLAS Collaboration

Spin transfer from circularly polarized real photons to recoiling hyperons has been measured for the reactions $γ + p \to K^{+} + Λ$ and $γ + p \to K^{+} + Σ^{0}$ . The data…

hep-ex2002★ 44 cited

Measurement of Inclusive Spin Structure Functions of the Deuteron

J. Yun, S. E. Kuhn, G. E. Dodge +2

We report the results of a new measurement of spin structure functions of the deuteron in the region of moderate momentum transfer ( $Q^{2}$ = 0.27 -- 1.3 (GeV/c) $^{2}$ ) and final hadro…

Measurement of Spin-Density Matrix Elements in ϕ(1020)→KS0​KL0​ Photoproduction with a Linearly Polarized Photon Beam at Eγ​=8.2−8.8 GeV

Photoproduction of η mesons off the proton for 1.2<Eγ​<4.7 GeV using CLAS at Jefferson Laboratory

12C(e,e'pN) Measurements of Short Range Correlations in the Tensor-to-Scalar Interaction Transition Region

Determination of the Proton Spin Structure Functions for 0.05 < Q^2 < 5 GeV^2 using CLAS

Photoproduction of the f1​(1285) Meson

Photoproduction of Λ and Σ0 hyperons using linearly polarized photons

Data analysis techniques, differential cross sections, and spin density matrix elements for the reaction γp→ϕp

ϕ-meson photoproduction on Hydrogen in the neutral decay mode

Separated Structure Functions for Exclusive K+Λ and K+Σ0 Electroproduction at 5.5 GeV with CLAS

A measurement of the differential cross section for the reaction γn→π−p from deuterium

First measurement of direct f0​(980) photoproduction on the proton

Exclusive ρ0 electroproduction on the proton at CLAS

Electroproduction of ϕ(1020) mesons at 1.4≤Q2≤ GeV2 measured with the CLAS spectrometer