M
M. A. Duval
Researcher at University of South Carolina
Publications - 18
Citations - 266
M. A. Duval is an academic researcher from University of South Carolina. The author has contributed to research in topics: Photodisintegration & Resonance (particle physics). The author has an hindex of 8, co-authored 18 publications receiving 261 citations.
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Journal ArticleDOI
New Measurement of Σ Beam Asymmetry for η Meson Photoproduction on the Proton
J. Ajaka,M. Anghinolfi,V. Bellini,G. Berrier,J. P. Bocquet,M. Breuer,P. Calvat,Marco Capogni,L. Casano,M. Castoldi,L. Ciciani,P. Corvisiero,A. D'Angelo,J. P. Didelez,R. Di Salvo,C. Djalali,M. A. Duval,R. Frascaria,G. Gervino,F. Ghio,P. Girard,B. Girolami,E. Guinault,P. Hoffmann-Rothe,E. Hourany,I. Kilvington,V. Kouznetsov,A. M. Lapik,P. Levi Sandri,D. Moricciani,M. Morlet,V. G. Nedorezov,L. Nicoletti,C. Perrin,D. Rebreyend,F. Renard,M. Ripani,L. H. Rosier,P. Rossi,F. Roudot,T. Russew,M. Sanzone,C. Schaerf,M. L. Sperduto,A. Sudov,M. Taiuti,A. Turinge,J. Van de Wiele,Alessandro Zucchiatti +48 more
TL;DR: In this article, the authors presented new Sigma beam asymmetry data for eta meson photoproduction on the proton, using a novel tagged, laser backscattered, linearly polarized photon beam up to 1.1 GeV.
Journal ArticleDOI
Precise measurement of Σ beam asymmetry for positive pion photoproduction on the proton from 800 to 1500 MeV
J. Ajaka,O. Bartalini,M. Battaglieri,V. Bellini,J. P. Bocquet,P. Calvat,Marco Capogni,M. Castoldi,L. Ciciani,A. D'Angelo,J. P. Didelez,R. Di Salvo,M. A. Duval,C. Gaulard,G. Gervino,F. Ghio,B. Girolami,M. Guidal,E. Guinault,E. Hourany,A. Jejcic,I. Kilvington,V. Kouznetsov,A. M. Lapik,P. Levi Sandri,Annick Lleres,D. Morriciani,V. G. Nedorezov,L. Nicoletti,D. Rebreyend,F. Renard,M. Ripani,N. V. Rudnev,C. Schaerf,A. Turinge,Alessandro Zucchiatti +35 more
TL;DR: In this paper, the Σ beam asymmetry for positive pion photoproduction on the proton has been measured over an angular range of 40-170° at photon energies from 0.8 to 1.5
Journal ArticleDOI
p ( rvec. gamma. ,. pi. sup 0 ) reaction and the E 2 excitation of the. Delta
G. S. Blanpied,M. Blecher,A. Caracappa,C. Djalali,M. A. Duval,G. Giordano,S. Hoblit,M. Khandaker,O. C. Kistner,G. Matone,L. Miceli,W. K. Mize,B. M. Preedom,A. M. Sandorfi,C. Schaerf,R. M. Sealock,C. E. Thorn,S.T. Thornton,K. Vaziri,C. S. Whisnant,X. Zhao,Murray Moinester +21 more
TL;DR: In this article, three independent measurements of the {ital p}(rvec {gamma}},{pi}{sup 0}) reaction were presented for incident photon energies between 243 and 314 MeV, and for c.m. angles of 105,degree, 122,degree and 150,degree.
Journal ArticleDOI
GRAAL: a polarized γ-ray beam at ESRF
J. P. Bocquet,J. Ajaka,M. Anghinolfi,V. Bellini,G. Berrier,P. Calvat,Marco Capogni,L. Casano,M. Castoldi,P. Corvisiero,A. D'Angelo,J. P. Didelez,R. Di Salvo,C. Djalali,M. A. Duval,R. Frascaria,G. Gervino,F. Ghio,P. Girard,B. Girolami,E. Guinault,E. Hourani,V. Kuznetsov,A. M. Lapik,P. Levi Sandri,S. Lo Nigro,D. Moricciani,M. Morlet,Valeria Muccifora,V. G. Nedorezov,C. Perrin,D. Rebreyend,F. Renard,Giovanni Ricco,M. Rigney,M. Ripani,L. H. Rosier,P. Rossi,Th. Russew,M. Sanzone,C. Schaerf,A. Scire,M. L. Sperduto,A. Sudov,M. Taiuti,A. Turinge,J. Van de Wiele,D. Vinciguerra,Alessandro Zucchiatti +48 more
TL;DR: The GRAAL facility produces a highly polarized gamma-ray beam by Compton scattering of laser photons on the electrons of the European Synchrotron Radiation Facility (ESRF) at Grenoble as mentioned in this paper.
Journal ArticleDOI
Beam-polarization observables in D( gamma
G. S. Blanpied,M. Blecher,A. Caracappa,C. Djalali,M. A. Duval,G. Giordano,S. Hoblit,O. C. Kistner,G. Matone,L. Miceli,W. K. Mize,B. M. Preedom,A. M. Sandorfi,C. Schaerf,R. M. Sealock,C. E. Thorn,S.T. Thornton,K. Vaziri,C. S. Whisnant +18 more
TL;DR: New precision angular distribution data for the D({gamma,{ital p}){ital n} reaction are presented for incident photon energies of 191 and 222 MeV, which are sensitive to the short-range behavior of the tensor interaction in models of the nuclear force.