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19982026
most citedMeasurement of the Positive Muon Anomalous Magnetic Moment to 0.46 ppm

1.3k citations

Showing 2008Show all

24 papers · 1 filter

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…

hep-ex2008★ 29 cited

First measurement of direct photoproduction on the proton

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

We report on the results of the first measurement of exclusive meson photoproduction on protons for GeV and GeV. Data were collected w…

astro-ph2008★ 76 cited

Lorentz Invariance Violation and the Observed Spectrum of Ultrahigh Energy Cosmic Rays

S. T. Scully, F. W. Stecker

There has been much interest in possible violations of Lorentz invariance, particularly motivated by quantum gravity theories. It has been suggested that a small amount of Lorentz…

nucl-ex2008★ 103 cited

A Precise Measurement of the Neutron Magnetic Form Factor GMn in the Few-GeV2 Region

J. Lachniet, A. Afanasev, H. Arenhövel +5

The neutron elastic magnetic form factor GMn has been extracted from quasielastic electron scattering data on deuterium with the CEBAF Large Acceptance Spectrometer (CLAS) at Jeffe…

math.GT2008

Intrinsically triple-linked graphs in RP^3

Joel Foisy, Jared Federman, Kristin McNamara +1

Flapan--Naimi--Pommersheim showed that every spatial embedding of , the complete graph on ten vertices, contains a non-split three-component link; that is, is intr…

nucl-ex2008★ 128 cited

Charged pion form factor between =0.60 and 2.45 GeV. I. Measurements of the cross section for the H() reaction

H. P. Blok, T. Horn, G. M. Huber +84

Cross sections for the reaction H() were measured in Hall C at Thomas Jefferson National Accelerator Facility (JLab) using the CEBAF high-intensity, continous ele…

nucl-ex2008★ 258 cited

Charged pion form factor between Q^2=0.60 and 2.45 GeV^2. II. Determination of, and results for, the pion form factor

G. M. Huber, H. P. Blok, T. Horn +83

The charged pion form factor, Fpi(Q^2), is an important quantity which can be used to advance our knowledge of hadronic structure. However, the extraction of Fpi from data requires…

astro-ph2008★ 6 cited

The dense ring in the Coalsack: the merging of two subsonic flows

J. M. Rathborne, C. J. Lada, W. Walsh +2

A recent high angular resolution extinction map toward the most opaque molecular globule, Globule 2, in the Coalsack Nebula revealed that it contains a strong central ring of dust…

nucl-ex2008★ 38 cited

Electroproduction of p π^{+} π^{-} off protons at 0.2<Q^{2}<0.6 GeV^{2} and 1.3<W<1.57 GeV with CLAS

G. V. Fedotov, V. I. Mokeev, V. D. Burkert +5

This paper reports on the most comprehensive data set obtained on differential and fully integrated cross sections for the process . The data were collec…

math.GT2008★ 3 cited

Intrinsically Linked Graphs in Projective Space

Joel Foisy, Jason Bustamante, Jared Federman +5

We examine graphs that contain a non-trivial link in every embedding into real projective space, using a weaker notion of unlink than was used by Flapan, et al. We call such graphs…

hep-ex2008★ 66 cited

Measurement of unpolarized semi-inclusive pi+ electroproduction off the proton

CLAS Collaboration, M. Osipenko, M. Ripani +3

Semi-inclusive pi+ electroproduction on protons has been measured with the CLAS detector at Jefferson Lab. The measurement was performed on a liquid-hydrogen target using a 5.75 Ge…

hep-ex2008★ 59 cited

Exclusive electroproduction on the proton at CLAS

CLAS collaboration

The 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…

astro-ph2008★ 28 cited

Is the Universe More Transparent to Gamma Rays Than Previously Thought?

Floyd W. Stecker, Sean T. Scully

The MAGIC collaboration has recently reported the detection of the strong gamma-ray blazar 3C279 during a 1-2 day flare. They have used their spectral observations to draw conclusi…

hep-ex2008★ 103 cited

Testing Lorentz Invariance and CPT Conservation with NuMI Neutrinos in the MINOS Near Detector

P. Adamson

A search for a sidereal modulation in the MINOS near detector neutrino data was performed. If present, this signature could be a consequence of Lorentz and CPT violation as predict…

hep-ex2008★ 339 cited

Measurement of Neutrino Oscillations with the MINOS Detectors in the NuMI Beam

MINOS Collaboration

This letter reports new results from the MINOS experiment based on a two-year exposure to muon neutrinos from the Fermilab NuMI beam. Our data are consistent with quantum mechanica…

hep-ex2008★ 36 cited

Search for the photo-excitation of exotic mesons in the pi+pi+pi- system

M. Nozar, C. Salgado, D. P. Weygand +2

A search for exotic mesons in the system photoproduced by the charge exchange reaction was carried out by the CLAS collaboration at Jef…

physics.ins-det2008★ 314 cited

The magnetized steel and scintillator calorimeters of the MINOS experiment

MINOS Collaboration, D. G. Michael

The Main Injector Neutrino Oscillation Search (MINOS) experiment uses an accelerator-produced neutrino beam to perform precision measurements of the neutrino oscillation parameters…

nucl-ex2008★ 76 cited

Electroexcitation of the Roper resonance for 1.7 < Q2 < 4.5 GeV2 in ep -> enpi+

I. G. Aznauryan, V. D. Burkert, W. Kim +2

The helicity amplitudes of the electroexcitation of the Roper resonance are extracted for 1.7 < Q2 < 4.5 GeV2 from recent high precision JLab-CLAS cross section and longitudinally…

hep-ex2008★ 45 cited

Electroproduction of Eta Mesons in the S11(1535) Resonance Region at High Momentum Transfer

M. M. Dalton, G. S. Adams, A. Ahmidouch +75

The differential cross-section for the process p(e,e'p)eta has been measured at Q2 ~ 5.7 and 7.0 (GeV/c)2 for centre-of-mass energies from threshold to 1.8 GeV, encompassing the S1…

nucl-ex2008★ 23 cited

First measurement of target and double spin asymmetries for polarized e- polarized p --> e p pi0 in the nucleon resonance region above the Delta(1232)

CLAS Collaboration, A. S. Biselli

The exclusive channel polarized proton(polarized e,e prime p)pi0 was studied in the first and second nucleon resonance regions in the Q2 range from 0.187 to 0.770 GeV2 at Jefferson…

nucl-ex2008★ 70 cited

Light Vector Mesons in the Nuclear Medium

M. H. Wood, R. Nasseripour, D. P. Weygand +5

The light vector mesons (, , and ) were produced in deuterium, carbon, titanium, and iron targets in a search for possible in-medium modifications to the properties of the…

nucl-ex2008★ 35 cited

Electroproduction of mesons at GeV measured with the CLAS spectrometer

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

Electroproduction of exclusive vector mesons has been studied with the CLAS detector in the kinematical range GeV, GeV$…

nucl-ex2008★ 54 cited

Moments of the Spin Structure Functions g_1^p and g_1^d for 0.05 < Q^2 < 3.0 GeV^2

Y. Prok, P. Bosted, V. D. Burkert +7

The spin structure functions g_1 for the proton and the deuteron have been measured over a wide kinematic range in x and Q2 using 1.6 and 5.7 GeV longitudinally polarized electrons…

nucl-ex2008★ 40 cited

Polarized Structure Function for in the Nucleon Resonance Region

Rakhsha Nasseripour, Brian Raue, Daniel Carman +2

The first measurements of the polarized structure function for the reaction in the nucleon resonance region are reported. Measurements are included fro…