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

1.3k citations

Showing 2007Show all

24 papers · 1 filter

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★ 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…

astro-ph2007★ 32 cited

The Spectrum of 1ES0229 + 200 and the Cosmic Infrared Background

F. W. Stecker, and S. T. Scully

We examine the effect of gamma-ray absorption by the extragalactic infrared radiation on intrinsic spectra predicted for 1ES0229+200 and compare our results with the observational…

hep-ex2007★ 184 cited

A Study of Muon Neutrino Disappearance Using the Fermilab Main Injector Neutrino Beam

Michael Kordosky, David Petyt

We report the results of a search for muon-neutrino disappearance by the Main Injector Neutrino Oscillation Search. The experiment uses two detectors separated by 734 km to observe…

hep-ex2007★ 194 cited

Deeply Virtual Compton Scattering Beam-Spin Asymmetries

F. X. Girod, R. A. Niyazov et al

The beam spin asymmetries in the hard exclusive electroproduction of photons on the proton (ep -> epg) were measured over a wide kinematic range and with high statistical accuracy.…

nucl-ex2007★ 63 cited

Cross sections and beam asymmetries for $\vev{e}p \to enπ^+$ in the nucleon resonance region for

K. Park, V. D. Burkert, W. Kim +1

The exclusive electroproduction process was measured in the range of the photon virtuality , and the invariant mass range…

hep-ph2007★ 20 cited

A Bayesian analysis of pentaquark signals from CLAS data

The CLAS Collaboration, D. G. Ireland

We examine the results of two measurements by the CLAS collaboration, one of which claimed evidence for a pentaquark, whilst the other found no such evidence. The unique fe…

hep-ph2007★ 57 cited

Transverse momentum dependence of semi-inclusive pion production

H. Mkrtchyan, P. E. Bosted, G. S. Adams +76

Cross sections for semi-inclusive electroproduction of charged pions () from both proton and deuteron targets were measured for , GeV, ,…

nucl-ex2007★ 76 cited

Search for medium modification of the 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, , , a…

nucl-ex2007★ 89 cited

Scaling study of the pion electroproduction cross sections and the pion form factor

T. Horn

The H()n cross section was measured for a range of four-momentum transfer up to =3.91 GeV at values of the invariant mass, , above the resonance r…

astro-ph2007★ 47 cited

An Unbiased Survey of 500 Nearby Stars for Debris Disks: A JCMT Legacy Program

B. C. Matthews, J. S. Greaves, W. S. Holland +28

We present the scientific motivation and observing plan for an upcoming detection survey for debris disks using the James Clerk Maxwell Telescope. The SCUBA-2 Unbiased Nearby Stars…

astro-ph2007★ 172 cited

The James Clerk Maxwell Telescope Legacy Survey of Nearby Star-forming Regions in the Gould Belt

D. Ward-Thompson, J. Di Francesco, J. Hatchell +59

This paper describes a James Clerk Maxwell Telescope (JCMT) legacy survey that has been awarded roughly 500 hrs of observing time to be carried out from 2007 to 2009. In this surve…

hep-ex2007★ 159 cited

Measurement of neutrino velocity with the MINOS detectors and NuMI neutrino beam

MINOS Collaboration, P. Adamson

The velocity of a ~3 GeV neutrino beam is measured by comparing detection times at the Near and Far detectors of the MINOS experiment, separated by 734 km. A total of 473 Far Detec…

hep-ex2007★ 86 cited

photoproduction on the proton for photon energies from 0.675 to 2.875 GeV

M. Dugger, B. G. Ritchie, J. P. Ball +7

Differential cross sections for the reaction have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.675…

astro-ph2007★ 1 cited

Chemical chronology of the Southern Coalsack

S. D. Rodgers, S. B. Charnley, R. G. Smith +1

We demonstrate how the observed H2O ice column densities toward three dense globules in the Southern Coalsack could be used to constrain the ages of these sources. We derive ages o…

hep-ex2007★ 67 cited

Measurement of the Atmospheric Muon Charge Ratio at TeV Energies with MINOS

MINOS Collaboration

The 5.4 kton MINOS far detector has been taking charge-separated cosmic ray muon data since the beginning of August, 2003 at a depth of 2070 meters-water-equivalent in the Soudan U…

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 are reported for total center of mass energy =1.5--2.3 GeV and invariant squared momentum transfer =0.13--3.3 GeV. Thi…

hep-ex2007★ 59 cited

Improved Measurement of the Positive Muon Lifetime and Determination of the Fermi Constant

MuLan Collaboration, D. B. Chitwood, T. I. Banks +38

The mean life of the positive muon has been measured to a precision of 11 ppm using a low-energy, pulsed muon beam stopped in a ferromagnetic target, which was surrounded by a scin…

nucl-ex2007★ 28 cited

First measurement of coherent -meson photoproduction on deuteron at low energies

CLAS collaboration, T. Mibe, H. Gao +4

The cross section and decay angular distributions for the coherent ϕmeson photoproduction on the deuteron have been measured for the first time up to a squared four-momentum transf…

nucl-ex2007★ 19 cited

Evidence for a backward peak in the gamma+d->pi^0+d cross section near the eta threshold

Y. Ilieva, B. L. Berman, A. E. Kudryavtsev +2

High-quality cross sections for the reaction gamma+d->pi^0+d have been measured using the CLAS at Jefferson Lab over a wide energy range near and above the eta-meson photoproductio…

nucl-ex2007★ 40 cited

Cascade production in the reactions gamma p --> K+ K+ (X) and gamma p --> K^+ K^+ pi- (X)

L. Guo, D. P. Weygand, M. Battaglieri +3

Photoproduction of the cascade resonances has been investigated in the reactions and . The mass split of the doublet is measured to…

hep-ex2007★ 29 cited

Charge-Separated Atmospheric Neutrino-Induced Muons in the MINOS Far Detector

MINOS Collaboration

We found 140 neutrino-induced muons in 854.24 live days in the MINOS far detector. We looked for evidence of neutrino disappearance in this data set by computing the ratio of the n…

nucl-ex2007★ 42 cited

Experimental study of exclusive H reaction mechanisms at high

K. S. Egiyan, the CLAS Collaboration

The reaction H has been studied with full kinematic coverage for photon virtuality GeV. Comparisons of experimental data with theory indicat…

nucl-ex2007★ 36 cited

Cross Sections for the Reaction at GeV

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

Differential cross sections for the reaction 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…