2012 NSF Proposal

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The competition



Institution 2 year Budget Physics
ASU 340 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0969201
Rutgers 800 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0969239
CS LA 264 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0969380
Catholic 328 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0969434
Catholic 311 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1019521
Ohio U 484 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0969297
Hampton 509 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1002644
RPI 520 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0965606
Kent State 465 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0969129
Ohio Univ 327 http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0969788

Project Summary


Intellectual Merit

\begin{center} {\it \underline {The Intellectual Merit of the Proposed Activities}} \end{center}

The intermediate energy nuclear physics group at Idaho State University (ISU) has an established fundamental physics program, based at Jefferson Lab, to enhance our understanding of nucleons and nuclei. The CoPIs in this proposal are all co-spokespersons on experiments to perform measurements on the underlying symmetry and structure of the quark and gluon components of the nucleon, the size of the proton, and the characteristics of the skin or surface of a nucleus. Dr.~Tony Forest is continuing a measurement of the down quark fractional polarization in the nucleon to test predictions of pQCD via experiment PR12-06-109. Dr.~Philip Cole is co-spokesperson on PR12-09-003, an experiment to study the excited state of the nucleon. Dr.~Mahbub Khandaker will conduct a high-precision measurement of the proton charge radius in experiment E12-11-106 to resolve a current discrepancy between the proton radius extracted from muonic and electronic hydrogen experiments. Dr~Dustin McNulty is continuing his work using parity violation to precisely measure the neutron skin of lead and calcium to test nuclear model predictions of the difference between the radii of protons and neutrons in a heavy nucleus. Two graduate students have recently obtained their PhDs, one will soon graduate, and three more are currently working on comprehensive measurements of vector meson and hyperon photoproduction employing linearly polarized photons to improve our understanding of the underlying symmetry of the quark degrees of freedom in the nucleon, the nature of the parity exchange between the incident photon and the target nucleon, and the mechanism of associated strangeness production in electromagnetic reactions.

Broader Impacts

\begin{center} {\it \underline {Broader Impacts of the Proposed Activities}} \end{center}

In addition to the scientific program described here, this proposal represents a major effort in the area of educating future scientists. The present shortage of graduate students in experimental and theoretical nuclear physics is having a detrimental impact on our national laboratories and facilities which posses a plethora of data but limited manpower for analyzing and disseminating the information. The Idaho State University Department of Physics is comprised of nine tenure-track faculty, all of whom have research interests which are in some way connected to nuclear physics and are in a position to directly address the shortage of graduate students. With its on campus accelerator and detector laboratories, the Department focuses on experimental and applied physics, giving students a strong hands-on educational experience. ISU's physics program is relatively new and is rapidly growing.

The PIs are further strengthening the ISU graduate program by recruiting high-caliber students from Latin America. Latin America remains an underutilized intellectual resource. The ISU Group has strong ties to Colombia and has attracted four talented graduate students into nuclear physics at ISU; three are working on JLab-related projects and one graduated in late 2009 and is now an Assistant Professor in Bogot\'{a}, Colombia. The activities delineated within this proposal will provide another avenue through which the program can continue to solidify this mutually beneficial bridge of collaboration among countries in the Americas.

Project Description


We propose to perform measurements using electromagnetic probes at Jefferson Lab that will enhance our fundamental understanding of nucleons and nuclei. The experiments within this proposal perform measurements of a nucleon's constituents, the size of the proton, and the surface of a nucleus.

CLAS Polarized Structure Function


Projects Table

Project Personnel Status pgs
[math] \frac{\Delta d}{d}[/math] Polarization Forest Approved 2
N* Cole Approved 3
[math]G_E^p(Q^2=0)[/math] Khandaker , McNulty Approved 2
PV (nucleus size, weak mixing angle, astro physics) McNulty Cond. Approved 3

File:09142012 A SDME.pdf

File:09142012 B Ks.pdf

File:09142012 C slide3.pdf

Budget Justification Table

3 year Costs Description
500 Ar/Co2 detector gases, LN2 coolant for target tests
4500 VME based module
5000 NIM bin electronics
15000 PMTs and bases
9000 raw construction materials for R & D tests


5 students

Section on training our JLab students in Hardware

Student do physics at JLab and gain experience with hardware using ISU facilities.

CLAS can also be categorized as a bunch of "One off" experiments. Perhaps review publication record of the experiments. PV experiments take 10 years from construction to publication some CLAS experiments took less.