James Madison University

output

19982026

most citedMeasurement of the Positive Muon Anomalous Magnetic Moment to 0.46 ppm

1.3k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2006Show all

18 papers · 1 filter

astro-ph2006★ 59 cited

Corrected Table for the Parametric Coefficients for the Optical Depth of the Universe to Gamma-rays at Various Redshifts

F. W. Stecker, M. A. Malkan, S. T. Scully

Table 1 in our paper, ApJ 648, 774 (2006) entitled "Intergalactic Photon Spectra from the Far IR to the UV Lyman Limit for 0 < z < 6 and the Optical Depth of the Universe to High E…

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-ex2006★ 66 cited

Separated Structure Functions for the Exclusive Electroproduction of $K^{+} Λ$ and $K^{+} Σ^{0}$ Final States

P. Ambrozewicz, D. S. Carman, R. J. Feuerbach +4

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

math.CO2006

Clustering of spectra and fractals of regular graphs

V. Ejov, J. A. Filar, S. K. Lucas +1

We exhibit a characteristic structure of the class of all regular graphs of degree d that stems from the spectra of their adjacency matrices. The structure has a fractal threadlike…

hep-ph2006★ 27 cited

The Onset of Quark-Hadron Duality in Pion Electroproduction

T. Navasardyan

A large data set of charged-pion electroproduction from both hydrogen and deuterium targets has been obtained spanning the low-energy residual-mass region. These data conclusively…

astro-ph2006★ 31 cited

A Simple Analytic Treatment of the Intergalactic Absorption Effect in Blazar Gamma-ray Spectra

F. W. Stecker, S. T. Scully

We derive a new and user friendly simple analytic approximation for determining the effect of intergalactic absorption in the energy range 0.2-2 TeV and the redshift range 0.05-0.4…

hep-ex2006★ 533 cited

Observation of muon neutrino disappearance with the MINOS detectors and the NuMI neutrino beam

MINOS Collaboration

This letter reports results from the MINOS experiment based on its initial exposure to neutrinos from the Fermilab NuMI beam. The rate and energy spectra of charged current muon ne…

hep-ph2006★ 47 cited

Quark-Hadron Duality in Spin Structure Functions g1p and g1d

P. E. Bosted, K. V. Dharmawardane, G. E. Dodge +3

New measurements of the spin structure functions of the proton and deuteron g1p(x,Q2) and g1d(x,Q2) in the nucleon resonance region are compared with extrapolations of target-mass-…

nucl-ex2006★ 295 cited

Determination of the Charged Pion Form Factor at Q2=1.60 and 2.45 (GeV/c)2

Fpi2 collaboration, T. Horn, K. Aniol +51

The H(e,e'pi+)n cross section was measured at four-momentum transfers of Q2=1.60 and 2.45 GeV2 at an invariant mass of the photon nucleon system of W=2.22 GeV. The charged pion for…

hep-ex2006★ 56 cited

Search for the $Θ^{+}$ pentaquark in the reactions $γ p \to K ˉ^{0} K^{+} n$ and $γ p \to K ˉ^{0} K^{0} p$

R. De Vita, M. Battaglieri, V. Kubarovsky +9

The exclusive reactions $γ p \to K ˉ^{0} K^{+} n$ and $γ p \to K ˉ^{0} K^{0} p$ have been studied in the photon energy range 1.6--3.8 GeV, searching for evidence of the exotic baryon $…

hep-ex2006★ 104 cited

Measurement of the N to Delta(1232) Transition at High Momentum Transfer by pi0 Electroproduction

M. Ungaro, P. Stoler, I. Aznauryan +4

We report a new measurement of the exclusive electroproduction reaction gamma* p -> pi0 p to explore the evolution from soft non-perturbative physics to hard processes via the Q2 d…

nucl-ex2006★ 130 cited

Measurement of the $x$ - and $Q^{2}$ -Dependence of the Asymmetry $A_{1}$ on the Nucleon

K. V. Dharmawardane, S. E. Kuhn, P. Bosted +1

We report results for the virtual photon asymmetry $A_{1}$ on the nucleon from new Jefferson Lab measurements. The experiment, which used the CEBAF Large Acceptance Spectrometer and…

hep-ex2006★ 116 cited

Measurement of Deeply Virtual Compton Scattering with a Polarized Proton Target

S. Chen, H. Avakian, V. Burkert +2

The longitudinal target-spin asymmetry A_UL for the exclusive electroproduction of high energy photons was measured for the first time in p(e,e'pγ). The data have been accumulated…

hep-ex2006★ 13 cited

Search for $Θ^{++}$ Pentaquarks in the Exclusive Reaction $γ p \to K^{+} K^{-} p$

V. Kubarovsky, M. Battaglieri, R. De Vita +6

The reaction $γ p \to p K^{+} K^{-}$ was studied at Jefferson Lab with photon energies from 1.8 to 3.8 GeV using a tagged photon beam. The goal was to search for a $Θ^{++}$ pentaquark, a…

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…

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…