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  Donal Day   Donal Day
Research Professor , Experimental Nuclear and Particle Physics
Ph.D., 1979, Virginia

dbd@Virginia.EDU email   924-6566 tel 301 JBL Office Web >
  RESEARCH INTERESTS
     

Our research program is at the forefront of the studies of the fundamental properties of the nucleons, i.e. the proton and neutron, which are the two building blocks of the atomic nucleus. The interactions of quarks and gluons, the underlying constituents of strongly interacting matter, are well described by the basic theory, Quantum Chromodynamics (QCD). However, the way in which quarks and gluons are confined within the nucleons and the mesons (responsible for nuclear forces), is poorly understood in QCD. We concentrate on experiments that use spin degrees of freedom (i.e. using polarized targets and beams) in electron-nucleon/nucleus interactions to extract new information about the properties of these fundamental building blocks of nature and lend new insights into these basic and longstanding problems. We are unique among university based research groups as we have the capabilities of developing, building and maintaining the cryogenic polarized targets critical for this research which is carried out at the Jefferson Lab whose unique capabilities make this research possible.

APS Fellow (2012)

  SELECTED PUBLICATIONS
     

"A detailed study of the nuclear dependence of the EMC effect and short-range correlations"
J. Arrington, A. Daniel, D. Day, N. Fomin, D. Gaskell and P.~ Solvignon 
arXiv.org:1206.6343 [nucl-ex]

submitted to Phys. Rev. C.

"New measurements of high-momentum nucleons and short-range structures in nuclei"
N. Fomin, J. Arrington, R. Asaturyan, F. Benmokhtar, W. Boeglin, P. Bosted, A. Bruell and M. H. S. Bukhari et al..
arXiv:1107.3583 [nucl-ex]
Phys. Rev. Lett. 108, 092502 (2012)

"Nuclear transparency and effective kaon-nucleon cross section from the A(e, e'K+) reaction"
Nuruzzaman, D. Dutta, J. Arrington, R. Asaturyan, F. Benmokhtar, W. Boeglin, P. Bosted and A. Bruell et al..
arXiv:1103.4120 [nucl-ex]
Phys. Rev. C 84, 015210 (2011)

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  NEWS ITEMS
     
From CBS19: "I really don't think there is much future for Nuclear energy," said Donal Day, a Nuclear Physicist who teaches at University of Virginia. "I ......More >
A PRC paper presenting the results of Prof. Donal Day's work with John Arrington (our recent colloquium speaker), Nadia Fomin (his former graduate student), and a few others on the EMC effect has ......More >
The atomic nucleus is made of confined nucleons in constant motion dominated by their interactions with the mean field of the nucleus - that is the average potential generated the many body ......More >
This paper, coauthored by Nadia Fomin, a former UVa graduate student (and now a research associate at the University of Tennessee), Donal Day (her advisor at UVa), John Arrington of Argonne ......More >
  HONORS
     
APS Fellow [2012]
For his studies of high momentum transfer quasielastic electron scattering, scaling relations and the short-range structure of nuclei and for his contributions to the use of polarized targets in the study of nucleon form factors and spin structure functions