Roy J. Holt

  • phone: 630/252-4101
  • FAX: 630/252-3903
  • e-mail:

Biographical sketch

  • 1969 B.S., Southern Methodist University
  • 1971 M.Ph., Yale University
  • 1972 Ph.D., Yale University
  • 1972-1974 Research Staff Physicist, Yale University
  • 1974-1978 Assistant Physicist, Argonne National Laboratory
  • 1978-1988 Physicist, Argonne National Laboratory
  • 1988-1994 Senior Physicist, Argonne National Laboratory
  • 1994-2000 Professor of Physics, University of Illinois at Urbana Champaign; Director or Co-Director of the Nuclear Physics Laboratory at the University of  Illinois
  • 2000-2007 Senior Physicist, Argonne National Laboratory; Chief of Medium Energy Physics; Adjunct Professor at the University of Illinois at Urbana-Champaign
  • 2007-2011 Argonne Distinguished Fellow; Chief of Medium Energy Physics; Adjunct Professor at the University of Illinois at Urbana-Champaign
  • 2011-present Argonne Distinguished Fellow; Adjunct Professor at the University of Illinois at Urbana-Champaign

Honors and Awards

  • 2007 - present, Argonne Distinguished Fellow
  • 2005 Tom W. Bonner Prize
  • 1999 Fellow, Institute of Physics (London)
  • 1993 Fellow, American Physical Society

Current Research Interests

Selected Recent papers

  1. Nucleon spin structure at very high-x
    Craig D. Roberts, Roy J. Holt (Argonne, PHY), Sebastian M. Schmidt (IAS, Julich & JARA, Aachen)
    Phys.Lett. B727 (2013) 249-254, arXiv:1308.1236

  2. Measurement of parity violation in electron-quark scattering
    PVDIS Collaboration (D. Wang et al.)
    Nature 506 (2014) 7486, 67-70

  3. Measurement of the two-photon exchange contribution to the elastic scattering cross sections at the VEPP-3 storage ring
    I.A. Rachek (Novosibirsk, IYF), J. Arrington (Argonne), V.F. Dmitriev (Novosibirsk, IYF & Novosibirsk State U.), V.V. Gauzshtein (Tomsk Polytechnic U.), R.E. Gerasimov (Novosibirsk, IYF & Novosibirsk State U.), A.V. Gramolin (Novosibirsk, IYF), R.J. Holt (Argonne), V.V. Kaminskiy, B.A. Lazarenko, S.I. Mishnev (Novosibirsk, IYF) et al..
    Phys.Rev.Lett. 114 (2015) 6, 062005 , arXiv:1411.7372

  4. First Measurement of the Atomic Electric Dipole Moment of 225Ra
    R. H. Parker (Argonne, PHY & U. Chicago & U. Chicago, EFI), M. R. Dietrich (Argonne, PHY & Northwestern U.), M. R. Kalita (Argonne, PHY & U. Kentucky, Lexington), N. D. Lemke, K. G. Bailey, M. Bishof, J. P. Greene, R. J. Holt (Argonne, PHY), W. Korsch (U. Kentucky, Lexington), Z.-T. Lu (Argonne, PHY & U. Chicago & U. Chicago, EFI) et al..
    Phys.Rev.Lett. 114 (2015) 23, 233002 , arXiv:1504.07477

  5. Measurement of the High Energy Two-Body Deuteron Photodisintegration Differential Cross Section
  6. E. C. Schulte et al.
    Physical Review Letters 87 (2001) 102302

  7. Polarization Measurements in High Energy Deuteron Photodisintegration
    K. Wijesooriya et al.
    Physical Review Letters 86 (2001) 2975

  8. Evidence for a Three Nucleon Force Effect in Proton-Deuteron Elastic Scattering
  9. R. V. Cadman et al.
    Phys. Rev. Lett. 86 (2001) 967

  10. Hadron Formation in Deep-Inelastic Positron Scattering in a Nuclear Environment
  11. A. Airapetian et al.
    Eur. Phys. J. C 20 (2001) 479

  12. Measurement of the Elastic Electromagnetic Form Factor Ratio mGEp/GMp via Polarization Transfer
  13. O. Gayou et al.
    Phys. Rev. C 64 (2001) 038202

  14. Polarization Measurements in Neutral Pion Production
  15. K. Wijesooriya et al.
    Phys. Rev. C 66 (2002) 034614

  16. High Energy Angular Distribution Measurements of the Exclusive Deuteron Photodisintegration Reaction
  17. E. C. Schulte et al.
    Phys. Rev. C 66 (2002) 042201

  18. Measurement of the Tensor Analyzing Powers T20 and T21 in Elastic Electron-Deuteron Scattering
  19. D. M. Nikolenko et al.
    Phys. Rev. Lett. 90 (2003) 072501

  20. Cross Section Measurement of Charged Pion Photoproduction from Hydrogen and Deuterium
  21. L. Y. Zhu et al.
    Phys. Rev. Lett. 91 (2003) 022003

  22. Search for Anomalously Heavy Isotopes of Helium in the Earth's Atmosphere
  23. P. Mueller et al.
    Phys. Rev. Lett. 92 (2004) 022501

  24. Laser Spectroscopic Determination of the 6He Nuclear Charge Radius
  25. L.-B. Wang et al.
    Phys. Rev. Lett. 93 (2004) 142501

  26. Precision Rosenbluth Measurement of the Proton Elastic Form Factors
  27. I. A. Qattan et al.
    Phys. Rev. Lett. 94 (2005) 142301

  28. Cross Section Measurements of Charged Pion Photoproduction in Hydrogen and Deuterium from 1.1 to 5.5 GeV
  29. L. Y. Zhu et al.
    Phys. Rev. C 71 (2005) 044603
  30. Pion Parton Distribution Function in the Valence Region
  31. K. Wijesooriya, P. E. Reimer, R. J. Holt
    Phys. Rev. C 72 (2005) 065203

  32. Measurement of the Lifetimes of the Lowest 3P1 State of Neutral Ba and Ra
  33. N. D. Scielzo et al.
    Phys. Rev. A 73 (2006) 010501 (R)

  34. Onset of Quark-Hadron Duality in Pion Electroproduction
  35. T. Navasardyan et al.
    Phys. Rev. Lett. 98 (2007) 22001

  36. Laser Trapping of 225Ra and 226Ra with Repumping by Room-Temperature Blackbody Radiation
    J. R. Guest et al.
    Phys. Rev. Lett. 98 (2007) 093001

  37. Recoil-Proton Polarization in High-Energy Deuteron Photodisintegration with Circularly Polarized Photons
    X. Jiang et al.
    Phys. Rev. Lett. 98 (2007) 182302

  38. Measurement of Tensor Analyzing Powers in Deuteron Photodisintegration
  39. I. A. Rachek et al.
    Phys. Rev. Lett. 98 (2007) 182303

  40. Parity violation in hydrogen revisited.
    R.W. Dunford, R.J. Holt, (Argonne) . Jun 2007. 24pp.
    Published in J.Phys.G34:2099-2118,2007.
    e-Print: arXiv:0706.2407 [hep-ph]

  41. Nuclear charge radius of He-8
    P. Mueller et al. Jan 2008. 10pp.
    Published in Phys.Rev.Lett.99:252501,2007.
    e-Print: arXiv:0801.0601 [nucl-ex]

  42. Flavour physics of leptons and dipole moments
    M. Raidal et al. Jan 2008.
    Report of Working Group 3 of the CERN Workshop Flavor in the Era of the LHC.
    Published in Eur.Phys.J.C57:13-182,2008.
    e-Print: arXiv:0801.1826 [hep-ph]

  43. Charged pion form factor between Q**2 = 0.60-GeV**2 and 2.45-GeV**2. I. Measurements of the cross section for the H-1(e,e-prime pi+)n reaction
    By Jefferson Lab (H.P. Blok et al.). JLAB-PHY-08-873, Sep 2008. 26pp.
    Published in Phys.Rev.C78:045202,2008.
    e-Print: arXiv:0809.3161 [nucl-ex]

  44. Neutron Structure Functions
    J. Arrington, F. Coester, R.J. Holt, T.-S.H. Lee, (Argonne, PHY) . May 2008. 16pp.
    Published in J.Phys.G36:025005,2009.
    e-Print: arXiv:0805.3116 [nucl-th]

  45. Lifetime of the 7s6d (1)D(2) atomic state of radium
    W. Trimble et al.

  46. New measurements of the EMC effect in very light nuclei
    J. Seely et al.

  47. Applications of quark-hadron duality in F(2) structure function
    S. P. Malace et al.

  48. Distribution Functions of the Nucleon and Pion in the Valence Region
    Roy J. Holt, Craig D. Roberts

  49. Transition to perturbative QCD
    R. Gilman, R. J. Holt, P. Stoler
    J.Phys.Conf.Ser.299:012009, 2011.

  50. Optimizing luminescent solar concentrator design
    H. Hernandez-Noyola, D. H. Pottervels, R. J. Holt, and S. B. Darling
    Energy Environ.Sci.5:5798, 2012.

  51. Transition between nuclear and quark-gluon descriptions of hadrons and light nuclei
    R. J. Holt and R. Gilman
    Rept.Prog.Phys.75:086301, 2012.

  52. Efficient, tightly-confined trapping of 226Ra
    R. H. Parker et al.
    Phys.Rev.C86:065503, 2012.

  53. First determination of an astrophysical cross section with a bubble chamber: The 15N(alpha,gamma)19F reaction
    C. Ugalde et al.
    Phys.Lett.B719:74, 2013

  54. Measurements of Parity-Violating Asymmetries in Electron-Deuteron Scattering in the Nucleon Resonance Region
    D. Wang et al.
    Phys.Rev.Lett.111:082501, 2013.