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Dive into the research topics where I. Nakagawa is active.

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Featured researches published by I. Nakagawa.


Physical Review Letters | 2007

Transverse beam spin asymmetries in forward-angle elastic electron-proton scattering

D.S. Armstrong; J. Arvieux; R. Asaturyan; T. Averett; S. L. Bailey; G. Batigne; D. Beck; E. J. Beise; J. Benesch; L. Bimbot; J. Birchall; A. S. Biselli; P. Bosted; E. Boukobza; H. Breuer; R. Carlini; R. Carr; N. S. Chant; S. Chattopadhyay; R. Clark; S. Covrig; A. Cowley; D. Dale; C. A. Davis; W. R. Falk; J. M. Finn; G. B. Franklin; C. Furget; D. Gaskell; J. Grames

We have measured the beam-normal single-spin asymmetry in elastic scattering of transversely polarized 3 GeV electrons from unpolarized protons at Q2=0.15, 0.25 (GeV/c)2. The results are inconsistent with calculations solely using the elastic nucleon intermediate state and generally agree with calculations with significant inelastic hadronic intermediate state contributions. A(n) provides a direct probe of the imaginary component of the 2gamma exchange amplitude, the complete description of which is important in the interpretation of data from precision electron-scattering experiments.


Physical Review C | 2003

Measurement of the [Formula Presented] response function for [Formula Presented] electroproduction at [Formula Presented] in the [Formula Presented] transition

N. F. Sparveris; R. Alarcon; D. Barkhuff; Aron M. Bernstein; W. Bertozzi; J. R. Calarco; F. Casagrande; Jiahao Chen; M. O. Distler; G. Dodson; S. Dolfini; A. Dooley; K. Dow; M. Farkondeh; S. Gilad; R. S. Hicks; M. Holtrop; A. Hotta; X. Jiang; Nicholas Ioannis Kaloskamis; A. Karabarbounis; S. Kowalski; C. Kunz; D. J. Margaziotis; C. Mertz; R. Milner; R. Miskimen; I. Nakagawa; C. N. Papanicolas; M.M. Pavan

Quadrupole amplitudes in the


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2002

Performance of a compact detector package for the out-of-plane spectrometer system

Z.-L. Zhou; S. Širca; W. Boeglin; A. J. Sarty; R. Alarcon; R. Beck; Aron M. Bernstein; W. Bertozzi; T. Botto; P. Bourgeois; John Calarco; F. Casagrande; Jian-Ping Chen; D. Dale; M. O. Distler; G. Dodson; S. Dolfini; A. Dooley; K. Dow; M. Epstein; M. Farkhondeh; S. Georgakopoulos; Shalev Gilad; R.S Hicks; M. Holtrop; A. Hotta; X. Jiang; K. Joo; D. Jordan; N. Kaloskamis

\gamma^{*}N\to\Delta


Physical Review Letters | 2011

New Measurement of theπ0Radiative Decay Width

I. Larin; D. McNulty; E. Clinton; P. Ambrozewicz; D. Lawrence; I. Nakagawa; Y. Prok; A. Teymurazyan; A. Ahmidouch; A. Asratyan; K. Baker; L. Benton; Aron M. Bernstein; V. D. Burkert; P. L. Cole; P. Collins; D. Dale; S. Danagoulian; G. Davidenko; R. Demirchyan; A. Deur; A. Dolgolenko; G. Dzyubenko; R. Ent; A. Evdokimov; J. Feng; M. Gabrielyan; L. Gan; A. Gasparian; S. Gevorkyan

transition are associated with the issue of nucleon deformation. A search for these small amplitudes has been the focus of a series of measurements undertaken at Bates/MIT by the OOPS collaboration. We report on results from H


Physical Review Letters | 2011

A New Measurement of the Pi0 Radiative Decay Width

I. Larin; E. Clinton; P. Ambrozewicz; D. Lawrence; I. Nakagawa; Y. Prok; A. Teymurazyan; A. Ahmidouch; K. Baker; L. Benton; Aron M. Bernstein; Burkert; P. L. Cole; P. Collins; D. Dale; S. Danagoulian; G. Davidenko; R. Demirchyan; A. Deur; A. Dolgolenko; Georgiy Dzyubenko; R. Ent; A. Evdokimov; J. Feng; M. Gabrielyan; L. Gan; A. Gasparian; S. Gevorkyan; A. Glamazdin; Goryachev

(e,e^\prime p)\pi^0


VII LATIN AMERICAN SYMPOSIUM ON NUCLEAR PHYSICS AND APPLICATIONS | 2007

Nuclear Photoproduction of Pseudoscalar Mesons at Forward Angles up to 6.0 GeV

T. E. Rodrigues; J. D. T. Arruda‐Neto; J. Mesa; C. Garcia; K. Shtejer; D. Dale; I. Nakagawa; P. L. Cole

data obtained at


Physical Review Letters | 2005

Investigation of the conjectured nucleon deformation at low momentum transfer.

N. F. Sparveris; R. Alarcon; Aron M. Bernstein; W. Bertozzi; T. Botto; P. Bourgeois; J. R. Calarco; F. Casagrande; M. O. Distler; K. Dow; M. Farkondeh; S. Georgakopoulos; S. Gilad; R. S. Hicks; M. Holtrop; A. Hotta; X. Jiang; A. Karabarbounis; J. Kirkpatrick; S. Kowalski; R. Milner; R. Miskimen; I. Nakagawa; C. N. Papanicolas; A. J. Sarty; S. Širca; J. Shaw; E. Six; S. Stave; E. Stiliaris

Q^2= 0.070


Physics Letters B | 2003

Measurement of the transverse–longitudinal cross sections in the p(e→,e′p)π0 reaction in the Δ region

C. Kunz; Nicholas Ioannis Kaloskamis; M. O. Distler; Z.-L. Zhou; R. Alarcon; D. Barkhuff; Aron M. Bernstein; W. Bertozzi; J. R. Calarco; F. Casagrande; Jiahao Chen; G. Dodson; A. Dooley; K. Dow; M. Farkhondeh; S. Georgakopoulos; S. Gilad; R. S. Hicks; A. Hotta; X. Jiang; A. Karabarbounis; S. Kowalski; D.J. Margaziotis; Christoph Mertz; R. Miskimen; I. Nakagawa; C. N. Papanicolas; M.M. Pavan; G. A. Peterson; A. F. Ramirez

(GeV/c)


Archive | 2010

A New Measurement of the 0 Radiative Decay Width

I. Larin; D. McNulty; E. Clinton; P. Ambrozewicz; D. Lawrence; I. Nakagawa; Y. Prok; A. Teymurazyan; A. Ahmidouch; A. Asratyan; K. Baker; L. Benton; Aron M. Bernstein; V. D. Burkert; P. L. Cole; P. Collins; D. Dale; S. Danagoulian; G. Davidenko; R. Demirchyan; A. Deur; A. Dolgolenko; G. Dzyubenko; R. Ent; A. Evdokimov; J. Feng; M. Gabrielyan; L. Gan; A. Gasparian; S. Gevorkyan

^2


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2014

High precision photon flux determination for photon tagging experiments

A. Teymurazyan; A. Ahmidouch; P. Ambrozewicz; A. Asratyan; K. Baker; L. Benton; V. D. Burkert; E. Clinton; P. L. Cole; P. Collins; D. Dale; S. Danagoulian; G. Davidenko; R. Demirchyan; A. Deur; A. Dolgolenko; G. Dzyubenko; R. Ent; A. Evdokimov; J. Feng; M. Gabrielyan; L. Gan; A. Gasparian; A. Glamazdin; V. Goryachev; K. Hardy; J.J. He; M. M. Ito; L. Jiang; D. Kashy

and invariant mass of W=1155 MeV using the out-of-plane detection technique with the OOPS spectrometers. The

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Aron M. Bernstein

Massachusetts Institute of Technology

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D. Dale

Idaho State University

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F. Casagrande

Massachusetts Institute of Technology

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K. Dow

Massachusetts Institute of Technology

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P. L. Cole

Idaho State University

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W. Bertozzi

Massachusetts Institute of Technology

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A. Deur

Thomas Jefferson National Accelerator Facility

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A. Dooley

Florida State University

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