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Todd Averett
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Professor of Physics
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Todd Averett's research interests include Experimental Nuclear Physics and Polarized Nuclear Targets.
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About Todd Averett
Todd Averett's research interests include Experimental Nuclear Physics and Polarized Nuclear Targets.
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Professor of Physics,
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Articles
Articles
(43)
Article
Proton spin structure and generalized polarizabilities in the strong quantum ...
Nature Physics (2022)
D. Ruth, R. Zielinski, C. Gu, . ..., et al.
The strong interaction is not well understood at low energies or for interactions with low momentum transfer. Chiral perturbation theory ...
Link
Article
Revealing the short-range structure of the mirror nuclei 3H and ...
Nature (2022)
S. Li, R. Cruz-Torres, N. Santiesteban, . ..., et al.
When protons and neutrons (nucleons) are bound into atomic nuclei, they are close enough to feel significant attraction, or repulsion, ...
Link
Article
Precision Determination of the Neutral Weak Form Factor of 48Ca
Physical Review Letters (2022)
D. Adhikari, Todd Averett and CREX Collaboration
We report a precise measurement of the parity-violating (PV) asymmetry APV in the elastic scattering of longitudinally polarized electrons from 48Ca. We measure APV= ...
Link
Article
Deeply Virtual Compton Scattering Cross Section at High Bjorken xB
Physical Review Letters (2022)
F. Georges, Todd Averett and Jefferson Lab Hall A Collaboration
We report high-precision measurements of the deeply virtual Compton scattering (DVCS) cross section at high values of the Bjorken variable xB. ...
Link
Article
Probing for high-momentum protons in 4He via the 4 He ...
Physical Review C (2022)
S. Iqbal, Todd Averett and Jefferson Lab Hall A Collaboration
Experimental cross sections for the 4He(e,e′p)X reactions in the missing energy range from 0.017 to 0.022 GeV and up to a missing momentum of ...
Link
Article
Spectroscopic study of a possible Λnn resonance and a pair ...
Physical Review C (2022)
B. Pandey, Todd Averett and Hall A Collaboration
A mass spectroscopy experiment with a pair of nearly identical high-resolution spectrometers and a tritium target was performed in Hall ...
Link
Article
New Measurements of the Beam-Normal Single Spin Asymmetry in Elastic ...
Physical Review Letters (2022)
D. Adhikari, . ..., Todd Averett and et al.
We report precision determinations of the beam-normal single spin asymmetries (An) in the elastic scattering of 0.95 and 2.18 GeV ...
Link
Article
Form Factors and Two-Photon Exchange in High-Energy Elastic Electron-Proton Scattering
Physical Review Letters (2022)
M. E. Christy, . ..., Todd Averett and et al.
We present new precision measurements of the elastic electron-proton scattering cross section for momentum transfer (Q2) up to 15.75(GeV/c)2. Combined with ...
Link
Article
Measurement of the Nucleon Fn2/Fp2 Structure Function Ratio by ...
Physical Review Letters (2022)
D. Abrams, . ..., Todd Averett and et al.
The ratio of the nucleon F2 structure functions, Fn2/Fp2, is determined by the MARATHON experiment from measurements of deep inelastic scattering of electrons ...
Link
Article
Deep Exclusive Electroproduction of π 0 at High Q 2 ...
Physical Review Letters (2021)
M. Dlamini, Todd Averett and Jefferson Lab Hall A Collaboration
We report measurements of the exclusive neutral pion electroproduction cross section off protons at large values of xB (0.36, 0.48, and 0.60) ...
Link
Article
Measurement of the generalized spin polarizabilities of the neutron in ...
Nature Physics (2021)
Vincent Sulkosky, . ..., Todd Averett and et al.
Understanding the nucleon spin structure in the regime where the strong interaction becomes truly strong poses a challenge to both ...
Link
Article
Accurate Determination of the Neutron Skin Thickness of 208 Pb ...
Physical Review Letters (2021)
D. Adhikari, Todd Averett and PREX Collaboration
We report a precision measurement of the parity-violating asymmetry APV in the elastic scattering of longitudinally polarized electrons from 208Pb. We measure APV=550±16(stat)±8(syst) parts per ...
Link
Article
First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from ...
Physical Review C (2021)
G. Laskaris, . ..., Todd Averett and et al.
The first measurement of the →3He(→γ,p)2H process was performed at the High Intensity γ-ray Source (HIγS) facility at Triangle Universities Nuclear Laboratory using ...
Link
Article
Novel observation of isospin structure of short-range correlations in calcium ...
Physical Review C (2020)
D. Nguyen, Todd Averett and Jefferson Lab Hall A Collaboration
Short-range correlations (SRCs) have been identified as being responsible for the high-momentum tail of the nucleon momentum distribution, n(k). Hard, short-range ...
Link
Article
Measurement of the 3He spin-structure functions and of neutron (3He ...
Physical Letters B (2020)
Todd Averett and Jefferson Lab E97-110 Collaboration
The spin-structure functions g1 and g2, and the spin-dependent partial cross-section σTT have been extracted from the polarized cross-sections differences, ...
Link
Article
Probing Few-Body Nuclear Dynamics via 3 H and 3 He ...
Physical Review Letters (2020)
R. Cruz-Torres, Todd Averett and Jefferson Lab Hall A Tritium Collaboration
We report the first measurement of the (e,e′p) three-body breakup reaction cross sections in helium-3 (3He) and tritium (3H) at large momentum ...
Link
Article
Comparing proton momentum distributions in A = 2 and 3 nuclei ...
Physical Letters B (2019)
Todd Averett and Jefferson Lab Hall A Tritium Collaboration
We report the first measurement of the (e, e p) reaction cross-section ratios for Helium-3 ( 3He), Tritium ( 3H), ...
Link
Article
Measurement of the single-spin asymmetry A0 y in quasi-elastic 3He ...
Physical Letters B (2019)
E. Long, Y.W. Zhang, . ..., Todd Averett, et al.
Due to the lack of free neutron targets, studies of the structure of the neutron are typically made by scattering ...
Link
Article
Measurement of double-polarization asymmetries in the quasi-elastic 3He(e,ep ...
Physical Letters B (2019)
Todd Averett and The Jefferson Lab Hall A Collaboration
We report on a precise measurement of double-polarization asymmetries in electron-induced breakup of 3He proceeding to pd and ppn final ...
Link
Article
Precision measurement of the weak charge of the proton
Nature (2018)
Todd Averett and The Jefferson Lab Qweak Collaboration
Large experimental programmes in the fields of nuclear and particle physics search for evidence of physics beyond that explained by ...
Link
Article
First measurement of unpolarized semi-inclusive deep-inelastic scattering cross sections from ...
PHYSICAL REVIEW C (2017)
X. Yan, (…), Todd Averett, J. Katich, et al.
The unpolarized semi-inclusive deep-inelastic scattering (SIDIS) differential cross sections in He-3(e, e'pi') X have been measured for the first time ...
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Other
Q(weak): First Direct Measurement of the Proton's Weak ...
XIITH QUARK CONFINEMENT AND THE HADRON SPECTRUM (2017)
J. F. Dowd
The Q(weak) experiment, which took data at Jefferson Lab in the period 2010 - 2012, will precisely determine the weak ...
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Article
Measurements of d(2)(n) and A(1)(n) : Probing ...
Physical Review D (2016)
D. Flay, M. Posik, W. R. Armstrong, Todd Averett, et al.
We report on the results of the E06-014 experiment performed at Jefferson Lab in Hall A, where a precision measurement ...
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Article
Precision measurements of A1N in the deep inelastic regime
Physics Letters B (2015)
Diana S Parno, David Flay, Matthew Posik, Kalyan C Allada, et al.
We have performed precision measurements of the double-spin virtual-photon asymmetry A1A1 on the neutron in the deep inelastic scattering regime, ...
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Article
Development of high-performance alkali-hybrid polarized He-3 targets for electron scattering
Physical Review C (2015)
Jaideep T. Singh, P. A. M. Dolph, W. A. Tobias, Todd Averett, et al.
Background: Polarized He-3 targets have been used as effective polarized neutron targets for electron scattering experiments for over twenty years. ...
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