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Polarization observables in deuteron photodisintegration below 360 MeV

Journal Article · · Physics Letters. B
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  1. Saint Mary's Univ., Halifax, NS (Canada); Dalhousie Univ., Halifax, NS (Canada)
  2. Tel Aviv Univ., Ramat Aviv (Israel)
  3. Seoul National Univ. (Korea, Republic of)
  4. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Rutgers Univ., Piscataway, NJ (United States)
  5. Saint Mary's Univ., Halifax, NS (Canada)
  6. Univ. of South Carolina, Columbia, SC (United States)
  7. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  8. Univ. of Kentucky, Lexington, KY (United States)
  9. Temple Univ., Philadelphia, PA (United States)
  10. Argonne National Lab. (ANL), Argonne, IL (United States)
  11. Johannes Gutenberg Univ., Mainz (Germany)
  12. NRCN, Beer-Sheva (Israel)
  13. Univ. of Maryland, Baltimore, MD (United States)
  14. George Washington Univ., Washington, DC (United States)
  15. Florida Intl Univ., Miami, FL (United States)
  16. Christopher Newport Univ., Newport News, VA (United States)
  17. Univ. of New Hampshire, Durham, NH (United States)
  18. Univ. of Virginia, Charlottesville, VA (United States)
  19. INFN, Rome (Italy)
  20. Rutgers Univ., Piscataway, NJ (United States)
  21. Longwood Univ., Farmville, VA (United States)
  22. Old Dominion Univ., Norfolk, VA (United States); Blaise Pascal Univ., Aubiere (France)
  23. Old Dominion Univ., Norfolk, VA (United States); Cairo Univ., Giza (Egypt)
  24. College of William and Mary, Williamsburg, VA (United States)
  25. Kent State Univ., Kent, OH (United States)
  26. Saint Norbert College, Greenbay, WI (United States)
  27. Jozef Stefan Inst. (IJS), Ljubljana (Slovenia)
  28. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); NSC Kharkov Inst. of Physics and Technology (Ukraine)
  29. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  30. Norfolk State Univ., VA (United States)
  31. Duke Univ., Durham, NC (United States)
  32. Ohio Univ., Athens, OH (United States)
  33. Univ. of Virginia, Charlottesville, VA (United States); Temple Univ., Philadelphia, PA (United States)
  34. Yerevan Physics Inst. (YerPhI) (Armenia)
+ Show Author Affiliations
We performed high precision measurements of induced and transferred recoil proton polarization in d($$\vec{γ}$$, $$\vec{p}$$)n for photon energies of 277--357 MeV and θcm = 20 ° -- 120 °. The measurements were motivated by a longstanding discrepancy between meson-baryon model calculations and data at higher energies. Moreover, at the low energies of this experiment, theory continues to fail to reproduce the data, indicating that either something is missing in the calculations and/or there is a problem with the accuracy of the nucleon-nucleon potential being used.
Research Organization:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-06OR23177
OSTI ID:
1005010
Alternate ID(s):
OSTI ID: 21496286
OSTI ID: 1039502
Report Number(s):
DOE/OR/23177--1186; JLAB-PHY--10-1133; arXiv:1003.1944
Journal Information:
Physics Letters. B, Journal Name: Physics Letters. B Journal Issue: 3 Vol. 697; ISSN 0370-2693
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Complete angular distribution measurements of two-body deuteron photodisintegration between 0.5 and 3GeV journal July 2004
Proton elastic form factor ratios to Q 2 = 3.5 GeV 2 by polarization transfer journal May 2005
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Polarization observables?,P y ,T 1 in the reaction $$\vec \gamma d \to \vec pn$$ at photon energies between 200 and 600 MeV and dibaryon resonances journal June 1992
Measurements of the polarization of protons from deuteron photodisintegration for photon energies between 282 and 405 MeV journal August 1969
Automodellism in the large-angle elastic scattering and structure of hadrons journal August 1973
COSY 5.0 — The fifth order code for corpuscular optical systems
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Proton polarization in deuteron photodisintegration in the Δ(1232)-resonance region journal November 1991
Geant4—a simulation toolkit
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journal July 2003
The bonn meson-exchange model for the nucleon—nucleon interaction journal May 1987
The role of meson retardation in the interaction above pion threshold journal July 2001
The role of meson retardation in deuteron photodisintegration above pion threshold journal July 2001
Off-shell effects in electromagnetic reactions on the deuteron journal December 2001
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Review of Particle Physics journal September 2008
Photon and Electron Polarization in High-Energy Bremsstrahlung and Pair Production with Screening journal May 1959
Measurements of the Polarization of Protons from Deuteron Photodisintegration journal January 1968
Measurement of 2 H ( γ → , p ) n with linearly polarized photons in the Δ resonance region journal December 1999
Complete angular distribution measurements of two-body deuteron photodisintegration between 0.5 and 3GeV journal July 2004
Proton elastic form factor ratios to Q 2 = 3.5 GeV 2 by polarization transfer journal May 2005
Electromagnetic structure of A=2 and 3 nuclei and the nuclear current operator journal July 2005
Scaling Laws at Large Transverse Momentum journal October 1973
Polarization Measurements in High-Energy Deuteron Photodisintegration journal April 2001
Onset of Asymptotic Scaling in Deuteron Photodisintegration journal January 2005
Recoil-Proton Polarization in High-Energy Deuteron Photodisintegration with Circularly Polarized Photons journal May 2007
Measurement of Tensor Analyzing Powers in Deuteron Photodisintegration journal May 2007
Measurements of the Proton Elastic-Form-Factor Ratio μ p G E p / G M p at Low Momentum Transfer journal November 2007
Development of a high average current polarized electron source with long cathode operational lifetime journal February 2007
Structure and dynamics of few-nucleon systems journal July 1998
Present Status of Electromagnetic Reactions on the Deuteron Above pion Threshold journal February 2003

Cited By (2)

Transition between nuclear and quark–gluon descriptions of hadrons and light nuclei journal July 2012
Low- Q 2 measurements of the proton form factor ratio μ p G E / G M journal November 2011

Figures / Tables (2)

Fig. 2(p. 4)figure Fig. 2
Fig. 1(p. 3)figure Fig. 1

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCURACY
DEUTERONS
NUCLEON-NUCLEON POTENTIAL
PHOTONS
PHOTONUCLEAR REACTIONS
POLARIZATION
PROTONS
deuteron photodisintegration
meson-baryon model
polarization