D. I. Sober

activity

20012018

most citedMeasurement of 2- and 3-Nucleon Short Range Correlation Probabilities in Nuclei

278 citations · 2.4k across the 40 of their papers we have counts for

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24 papers · 1 filter

nucl-ex2018★ 10 cited

Study of Xi Photoproduction from Threshold to W = 3.3 GeV

J. T. Goetz, K. Hicks, M. C. Kunkel +3

The doubly-strange Xi baryons provide an effective way to study a puzzle called the missing-baryons problem, where both quark models and lattice gauge theory predict more baryon ex…

nucl-ex2018★ 20 cited

Measurements of the $γ_{v} p \to p^{'} π^{+} π^{-}$ cross section with the CLAS detector for $0.4$ GeV $^{2}$ $< Q^{2} <$ $1.0$ GeV $^{2}$ and $1.3$ GeV $< W <$ $1.825$ GeV

G. V. Fedotov, Iu. A. Skorodumina, V. D. Burkert +4

New results on the single-differential and fully-integrated cross sections for the process $γ_{v} p \to p^{'} π^{+} π^{-}$ are presented. The experimental data were collected…

nucl-ex2018★ 4 cited

Differential Cross Section for $γ d \to ω d$ using CLAS at Jefferson Lab

T. Chetry, K. Hicks, N. Compton +1

The cross section for coherent $ω$ -meson photoproduction off the deuteron has been measured for the first time as a function of the momentum transfer $t = (P_{γ} - P_{ω})^{2}$ and photon e…

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-ex2013★ 27 cited

Measurement of the $^{1} H$ ( $γ$ , $p$ ) $π^{0}$ reaction using a novel nucleon spin polarimeter

D. P. Watts, D. I. Glazier, P. Aguar-Bartolomé +74

We report the first large-acceptance measurement of polarization transfer from a polarized photon beam to a recoiling nucleon, pioneering a novel polarimetry technique with wide ap…

nucl-ex2013★ 65 cited

$K^{+} Λ$ and $K^{+} Σ^{0}$ photoproduction with fine center-of-mass energy resolution

T. C. Jude, D. I. Glazier, D. P. Watts +69

Measurements of $γ p \to K^{+} Λ$ and $γ p \to K^{+} Σ^{0}$ cross-sections have been obtained with the photon tagging facility and the Crystal Ball calorimeter at MAMI-…

nucl-ex2013★ 139 cited

Measurement of the Sigma pi photoproduction line shapes near the Lambda(1405)

Kei Moriya, Reinhard Schumacher

The reaction gamma + p -> K+ + Sigma + pi was used to determine the invariant mass distributions or "line shapes" of the Sigma+ pi-, Sigma- pi+ and Sigma0 pi0 final states, from th…

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-ex2012★ 133 cited

A study of the $P_{11} (1440)$ and $D_{13} (1520)$ resonances from CLAS data on $e p \to e^{'} π^{+} π^{-} p^{'}$

V. I. Mokeev, V. D. Burkert, L. Elouadrhiri +6

The transition helicity amplitudes from the proton ground state to the $P_{11} (1440)$ and $D_{13} (1520)$ excited states ( $γ_{v} p N^{*}$ electrocouplings) were determined from the anal…

nucl-ex2010★ 20 cited

Near-threshold Photoproduction of Phi Mesons from Deuterium

X. Qian, W. Chen, H. Gao +144

We report the first measurement of the differential cross section on $ϕ$ -meson photoproduction from deuterium near the production threshold for a proton using the CLAS detector and…

nucl-ex2010★ 6 cited

Coherent Photoproduction of pi^+ from 3^He

Rakhsha Nasseripour, Barry Berman, the CLAS Collaboration

We have measured the differential cross section for the $γ$ $^{3}$ He $\to π^{+} t$ reaction. This reaction was studied using the CEBAF Large Acceptance Spectrometer (CLAS) at Jef…

nucl-ex2009★ 38 cited

Differential cross section of gamma n to K+ Sigma- on bound neutrons with incident photons from 1.1 to 3.6 GeV

S. Anefalos Pereira, M. Mirazita, P. Rossi +4

Differential cross sections of the reaction gamma d to K+ Sigma- (p) have been measured with the CLAS detector at Jefferson Lab using incident photons with energies between 1.1 and…

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…

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$…

nucl-ex2007★ 7 cited

Ratios of 15N/12C and 4He/12C inclusive electroproduction cross sections in the nucleon resonance region

CLAS Collaboration, P. E. Bosted, R. Fersch

The (W,Q2)-dependence of the ratio of inclusive electron scattering cross sections for 15N/12C was determined in the kinematic range 0.8<W<2 GeV and 0.2<Q2<1 GeV2 using 2.285 GeV e…

nucl-ex2007★ 36 cited

Cross Sections for the $γ p \to K^{* 0} Σ^{+}$ Reaction at $E_{γ} = 1.7 - 3.0$ GeV

I. Hleiqawi, K. Hicks, D. Carman +1

Differential cross sections for the reaction $γ p \to K^{* 0} Σ^{+}$ are presented at nine bins in photon energy in the range from 1.7 to 3.0 GeV. The \kstar was detected by its decay…

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…

nucl-ex2006★ 65 cited

eta-prime photoproduction on the proton for photon energies from 1.527 to 2.227 GeV

M. Dugger, J. P. Ball, P. Collins +2

Differential cross sections for the reaction gamma p -> eta-prime p have been measured with the CLAS spectrometer and a tagged photon beam with energies from 1.527 to 2.227 GeV. Th…

nucl-ex2006★ 66 cited

Single pi+ Electroproduction on the Proton in the First and Second Resonance Regions at 0.25GeV^2 < Q^2 < 0.65GeV^2 Using CLAS

H. Egiyan, I. G. Aznauryan, V. D. Burkert +5

The ep -> e'pi^+n reaction was studied in the first and second nucleon resonance regions in the 0.25 GeV^2 < Q^2 < 0.65 GeV^2 range using the CLAS detector at Thomas Jefferson Nati…

nucl-ex2005★ 278 cited

Measurement of 2- and 3-Nucleon Short Range Correlation Probabilities in Nuclei

K. S. Egiyan, N. B. Dashyan, M. M. Sargsian +3

The ratios of inclusive electron scattering cross sections of He4, C12 and Fe56 to He3 have been measured at 1 < x_B < 3. At Q^2 > 1.4 GeV^2, the ratios exhibit two separate platea…

nucl-ex2004★ 49 cited

Measurement of the Polarized Structure Function $σ_{L T^{'}}$ for $p (e, e^{'} π^{+}) n$ in the $Δ (1232)$ Resonance Region

CLAS Collaboration, K. Joo, L. C. Smith

The polarized longitudinal-transverse structure function $σ_{L T^{'}}$ has been measured using the $p (e, e^{'} π^{+}) n$ reaction in the $Δ (1232)$ resonance region at $Q^{2} = 0.40$ and…

nucl-ex2003★ 182 cited

Hyperon Photoproduction in the Nucleon Resonance Region

J. W. C. McNabb, R. A. Schumacher, L. Todor

Cross-sections and recoil polarizations for the reactions gamma + p --> K^+ + Lambda and gamma + p --> K^+ + Sigma^0 have been measured with high statistics and with good angular c…

nucl-ex2003★ 163 cited

Observation of Nuclear Scaling in the $A (e, e^{'})$ Reaction at $x_{B} >$ 1

K. Sh Egiyan

The ratios of inclusive electron scattering cross sections of $^{4}$ He, $^{12}$ C, and $^{56}$ Fe to $^{3}$ He have been measured for the first time. It is shown that these ratios are ind…

Study of Xi Photoproduction from Threshold to W = 3.3 GeV

Measurements of the γv​p→p′π+π− cross section with the CLAS detector for 0.4 GeV2 <Q2< 1.0 GeV2 and 1.3 GeV <W< 1.825 GeV

Differential Cross Section for γd→ωd using CLAS at Jefferson Lab

Photoproduction of the f1​(1285) Meson

Photoproduction of Λ and Σ0 hyperons using linearly polarized photons

Measurement of the 1H(γ​, p​)π0 reaction using a novel nucleon spin polarimeter

K+Λ and K+Σ0 photoproduction with fine center-of-mass energy resolution