Lei Guo

activity

20022019

Θ^{+}

pentaquark in the reaction

γ d \to p K^{-} K^{+} n

94 citations · 518 across the 15 of their papers we have counts for

collaborators

15 papers

nucl-ex2019★ 5 cited

High Precision Measurement of Compton Scattering in the 5 GeV region

P. Ambrozewicz, L. Ye, Y. Prok +94

The cross section of atomic electron Compton scattering $γ + e \to γ^{'} + e^{'}$ was measured in the 4.40--5.475 GeV photon beam energy region by the {\em PrimEx} co…

nucl-ex2015★ 40 cited

First measurement of the helicity asymmetry $E$ in $η$ photoproduction on the proton

I. Senderovich, B. T. Morrison, M. Dugger +148

Results are presented for the first measurement of the double-polarization helicity asymmetry E for the $η$ photoproduction reaction $γ p \to η p$ . Data were obtained using t…

physics.ins-det2014★ 9 cited

A study of decays to strange final states with GlueX in Hall D using components of the BaBar DIRC

The GlueX Collaboration, M. Dugger, B. Ritchie +103

We propose to enhance the kaon identification capabilities of the GlueX detector by constructing an FDIRC (Focusing Detection of Internally Reflected Cherenkov) detector utilizing…

nucl-ex2013★ 24 cited

Cross sections for the $γ p \to K^{+} Λ$ and $γ p \to K^{+} Σ^{0}$ reactions measured at CLAS

W. Tang, K. Hicks, D. Keller +2

The first high-statistics cross sections for the reactions $γ p \to K^{*+} Λ$ and $γ p \to K^{*+} Σ^{0}$ were measured using the CLAS detector at photon energies between threshold and…

hep-ex2012★ 7 cited

A study of meson and baryon decays to strange final states with GlueX in Hall D (A proposal to the 39th Jefferson Lab Program Advisory Committee)

The GlueX Collaboration, M. Dugger, B. Ritchie +76

The primary motivation of the GlueX experiment is to search for and ultimately study the pattern of gluonic excitations in the meson spectrum produced in gamma p collisions. Recent…

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…

nucl-ex2009★ 65 cited

Differential cross sections and spin density matrix elements for the reaction gamma p -> p omega

M. Williams, D. Applegate, M. Bellis +1

High-statistics differential cross sections and spin density matrix elements for the reaction gamma p -> p omega have been measured using the CLAS at Jefferson Lab for center-of-ma…

nucl-ex2009★ 29 cited

The extraction of $ϕ - N$ total cross section from $d (γ, p K^{+} K^{-}) n$

X. Qian, W. Chen, H. Gao

We report on the first measurement of the differential cross section of $ϕ$ -meson photoproduction for the $d (γ, p K^{+} K^{-}) n$ exclusive reaction channel. The experiment was perform…

hep-ex2008★ 1 cited

Beam Spin Asymmetries in DVCS with CLAS at 4 .8 GeV

G. Gavalian

We report measurements of the beam spin asymmetry in Deeply Virtual Compton Scattering (DVCS) at an electron beam energy of 4.8 GeV using the CLAS detector at the Thomas Jefferson…

nucl-ex2008★ 40 cited

Polarized Structure Function $σ_{L T^{'}}$ for $p (e, e^{'} K^{+}) Λ$ in the Nucleon Resonance Region

Rakhsha Nasseripour, Brian Raue, Daniel Carman +2

The first measurements of the polarized structure function $σ_{L T^{'}}$ for the reaction $p (e, e^{'} K^{+}) Λ$ in the nucleon resonance region are reported. Measurements are included fro…

hep-ex2006★ 38 cited

Search for the Theta+ pentaquark in the gamma d -> Lambda n K+ reaction measured with CLAS

Clas Collaboration, S. Niccolai

For the first time, the reaction gamma d -> Lambda n K+ has been analyzed in order to search for the exotic pentaquark baryon Theta+(1540). The data were taken at Jefferson Lab, us…

hep-ex2006★ 94 cited

Search for the $Θ^{+}$ pentaquark in the reaction $γ d \to p K^{-} K^{+} n$

B. McKinnon, K. Hicks

A search for the \thp in the reaction $γ d \to p K^{-} K^{+} n$ was completed using the CLAS detector at Jefferson Lab. A study of the same reaction, published earlier, reported the observ…

hep-ex2003★ 15 cited

Tensor Polarization of the phi meson Photoproduced at High t

K. McCormick, the CLAS collaboration

As part of a measurement of the cross section of $ϕ$ meson photoproduction to high momentum transfer, we measured the polar angular decay distribution of the outgoing $K^{+}$ in the…

nucl-ex2003★ 64 cited

Measurement of the Polarized Structure Function $σ_{L T^{'}}$ for $p (e, e^{'} p) π^{o}$ 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 in the $Δ (1232)$ resonance region at $Q^{2} = 0.40$ and 0.65 GeV $^{2}$ . Data for the $p(\vec e,…

hep-ex2002★ 51 cited

Photoproduction of the $ω$ meson on the proton at large momentum transfer

M. Battaglieri, M. Brunoldi, R. De Vita +4

The differential cross section, $d σ / d t$ for $ω$ meson exclusive photoproduction on the proton above the resonance region ( $2.6 < W < 2.9$ GeV) was measured up to a momentum transfer $-…

High Precision Measurement of Compton Scattering in the 5 GeV region

First measurement of the helicity asymmetry E in η photoproduction on the proton

A study of decays to strange final states with GlueX in Hall D using components of the BaBar DIRC

Cross sections for the γp→K∗+Λ and γp→K∗+Σ0 reactions measured at CLAS

A study of meson and baryon decays to strange final states with GlueX in Hall D (A proposal to the 39th Jefferson Lab Program Advisory Committee)

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