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19992026
most citedExtended Partial-Wave Analysis of piN Scattering Data

417 citations · 11.3k across the 305 of their papers we have counts for

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27 papers · 1 filter

nucl-th2022★ 8 cited

Single-pion contribution to the Gerasimov--Drell--Hearn sum rule and related integrals

Igor Strakovsky, Simon Širca, William J. Briscoe +3

Phenomenological amplitudes obtained in partial-wave analyses (PWA) of single-pion photoproduction are used to evaluate the contribution of this process to the Gerasimov-Drell-Hear…

nucl-th2021★ 16 cited

On the Photoproduction Reactions

William J. Briscoe, Alexander E. Kudryavtsev, Igor I. Strakovsky +2

A review of our works providing a theoretical description of incoherent pion photoproduction on the deuteron is presented. The existing data are analysed, especially tho…

nucl-th2020

Threshold Photoproduction on the Neutron

W. J. Briscoe, A. E. Kudryavtsev, I. I. Strakovsky +2

Recent data from the PIONSMAX-lab Collaboration, measuring the total cross section of the pion incoherent photoproduction near threshold, have been used to extract…

nucl-th2016★ 50 cited

Partial-Wave Analysis of Nucleon-Nucleon Elastic Scattering Data

Ron L. Workman, William J. Briscoe, Igor I. Strakovsky

Energy-dependent and single-energy fits to the existing nucleon-nucleon database have been updated to incorporate recent measurements. The fits cover a region from threshold to 3 G…

nucl-th2016★ 15 cited

Sensitivity of the COSY Dibaryon Candidate to np Elastic Scattering Measurements

R. L. Workman, W. J. Briscoe, I. I. Strakovsky

The case for a dibaryon resonance, appearing in np scattering, has support from a WASA-at-COSY measurement of the polarization quantity A_y over a center-of-mass energy region sugg…

nucl-th2015★ 1 cited

Progress in Neutron EM Couplings

Igor Strakovsky, William Briscoe, Alexander Kudryavtsev +4

An overview of the GW SAID and ITEP groups' effort to analyze pion photoproduction on the neutron-target will be given. The disentanglement of the isoscalar and isovector EM coupli…

nucl-th2015

Radiative Decay Width of Neutral non-Strange Baryons from PWA

Igor I. Strakovsky, William J. Briscoe, Alexander E. Kudryavtsev +3

An overview of the GW SAID and ITEP groups effort to analyze pion photoproduction on the neutron-target will be given. The disentanglement the isoscalar and isovector EM couplings…

nucl-th2012★ 24 cited

Evaluation of the gn-->pi-p differential cross sections in the Delta-isobar region

W. J. Briscoe, A. E. Kudryavtsev, P. Pedroni +3

Differential cross sections for the process gn-->pi-p have been extracted from MAMI-B measurements of gd-->pi-pp, accounting for final-state interaction effects, using a diagrammat…

nucl-th2012

Progress on Neutron-Target Multipoles above 1 GeV

I. I. Strakovsky, W. Chen, H. Gao +9

We report a new extraction of nucleon resonance couplings using pi- photoproduction cross sections on the neutron. The world database for the process gn-->pi-p above 1 GeV has quad…

nucl-th2011

Effect of Sigma-beam Asymmetry Data on Fits to Single Pion Photoproduction off Neutron

I. I. Strakovsky, R. A. Arndt, W. J. Briscoe +2

We investigate the influence of new GRAAL Sigma-beam asymmetry measurements on the neutron in multipole fits to the single-pion photoproduction database. Results are compared to th…

nucl-th2011★ 26 cited

Model dependence of single-energy fits to pion photoproduction data

Ron L. Workman, Mark W. Paris, William J. Briscoe +4

Model dependence of multipole analysis has been explored through energy-dependent and single-energy fits to pion photoproduction data. The MAID energy-dependent solution has been u…

nucl-th2010

Toward a unified description of hadro- and photoproduction amplitudes

M. W. Paris, R. A. Arndt, R. L. Workman +2

The near-term objectives of the research program at the Data Analysis Center are established within the context of the existing partial wave analyses available through the online s…

nucl-th2010

Properties of the Resonance Lambda(1520) as seen in the Forward Electroproduction at JLab Hall A

I. I. Strakovsky, Y. Qiang, Ya. I. Azimov +4

High-resolution spectrometer measurements of the reaction H(e,e' K+)X at small Q2 are used to extract the mass and width of the Lambda(1520). We investigate dependence of the reson…

nucl-th2009★ 35 cited

Baryon Resonance Analysis from SAID

R. A. Arndt, W. J. Briscoe, M. W. Paris +2

We discuss the analysis of data from piN elastic scattering and single pion photo- and electroproduction. The main focus is a study of low-lying non-strange baryon resonances. Here…

nucl-th2007★ 230 cited

Updated analysis of NN elastic scattering to 3 GeV

R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +1

A partial-wave analysis of NN elastic scattering data has been updated to include a number of recent measurements. Experiments carried out at the Cooler Synchrotron (COSY) by the E…

nucl-th2006★ 4 cited

Partial-Wave Analysis of Single-Pion Production Reactions

R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +1

We present an overview of our efforts to analyze pion-nucleon elastic scattering data, along with data from related photo- and electroproduction reactions, in order to study the ba…

nucl-th2006★ 417 cited

Extended Partial-Wave Analysis of piN Scattering Data

R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +1

We present results from a comprehensive partial-wave analysis of pi+-p elastic scattering and charge-exchange data, covering the region from threshold to 2.6 GeV in the lab pion ki…

nucl-th2005★ 8 cited

Helicity-dependent photoabsorption cross sections on the nucleon

R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +1

We examine the energy dependence of single-meson photoproduction as it contributes to the Gerasimov-Drell-Hearn (GDH) sum rule. For photon energies above approximately 1 GeV, throu…

nucl-th2005★ 44 cited

Low-energy etaN interactions: scattering lengths and resonance parameters

R. A. Arndt, W. J. Briscoe, T. W. Morrison +3

We consider the impact of two recent pi- p-->eta n measurements on the etaN scattering length and etaN branching fractions for the N(1535) and N(1520) resonances within a coupled-c…

nucl-th2004★ 12 cited

On the reaction g d -> pi0 d near the threshold of eta production

A. E. Kudryavtsev, V. E. Tarasov, I. I. Strakovsky +2

We consider the reaction g+d -> pi+d in a wide energy range around and above the eta-meson photoproduction threshold at backward CM angles of the outgoing pion. Our theoretical ana…

nucl-th2003★ 146 cited

Dispersion Relation Constrained Partial Wave Analysis of piN Elastic and piN\to\etaN Scattering Data: The Baryon Spectrum

R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +2

We present results from a comprehensive partial-wave analysis of pi+-p elastic scattering and charge-exchange data, covering the region from threshold to 2.1 GeV in the lab pion ki…

nucl-th2003★ 18 cited

Evaluation of the total photoabsorption cross sections for actinides from photofission data and model calculations

I. A. Pshenichnov, B. L. Berman, W. J. Briscoe +5

We have calculated the fission probabilities for 237-Np, 233,235,238-U, 232-Th, and nat-Pb following the absorption of photons with energies from 68 MeV to 3.77 GeV using the RELDI…

nucl-th2003

Multipole Analysis of Recent Pion Electroproduction Data

R. Arndt, W. Briscoe, I. Strakovsky +1

We have performed a series of global and single-Q2 fits to the growing database for pion electroproduction. We compare to some other recent fits which have used different formalism…

nucl-th2002

SAID Results for GDH-Related Sum Rules

R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +1

Model-dependence of the single-pion contribution to the GDH, Baldin, and forward spin-polarizability sum rules is explored, using the most recent SAID multipole analysis. Results f…