Neutral Pion Electroproduction in the Resonance Region at High $Q^2$ (2009)
Villano, A. N., Stoler, P., Bosted, P. E., Connell, S. H., Dalton, M. M., Jones, M. K., ...
The process $ep \to e^{\prime}p^{\prime}\pi^0$ has been measured at $Q^2$ = 6.4 and 7.7 GeV/c$^2$)$^2$ in Jefferson Lab's Hall C. Unpolarized differential cross sections are reported in the virtual...
Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)
Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...
A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...
New Experimental Limit on Photon Hidden-Sector Paraphoton Mixing (2008)
Afanasev, A., Baker, O. K., Beard, K. B., Biallas, G., Boyce, J., Minarni, M., ...
We report on the first results of a search for optical-wavelength photons mixing with hypothetical hidden-sector paraphotons in the mass range between 10^-5 and 10^-2 electron volts for a mixing...
Blok, H. P., Horn, T., Huber, G. M., Beise, E. J., Gaskell, D., Mack, D. J., ...
Cross sections for the reaction ${^1}$H($e,e'\pi^+$)$n$ were measured in Hall C at Thomas Jefferson National Accelerator Facility (JLab) using the CEBAF high-intensity, continous electron beam in...
Huber, G. M., Blok, H. P., Horn, T., Beise, E. J., Gaskell, D., Mack, D. J., ...
The charged pion form factor, Fpi(Q^2), is an important quantity which can be used to advance our knowledge of hadronic structure. However, the extraction of Fpi from data requires a model of the...
New Experimental limit on Optical Photon Coupling to Neutral, Scalar Bosons (2008)
Afanasev, A., Baker, O. K., Beard, K. B., Biallas, G., Boyce, J., Minarni, M., ...
We report on the first results of a sensitive search for scalar coupling of photons to a light neutral boson in the mass range of approximately 1.0 milli-electron volts and coupling strength greater...
Electroproduction of Eta Mesons in the S11(1535) Resonance Region at High Momentum Transfer (2008)
Dalton, M. M., Adams, G. S., Ahmidouch, A., Angelescu, T., Arrington, J., Asaturyan, R., ...
The differential cross-section for the process p(e,e'p)eta has been measured at Q2 ~ 5.7 and 7.0 (GeV/c)2 for centre-of-mass energies from threshold to 1.8 GeV, encompassing the S11(1535) resonance,...
Measurement of the Nuclear Dependence of R = (2007)
At Low Brull, A. Brull (spokesperson, K. Mcilhany, R. G. Milner, T. Shin, O. K. Baker, ...
. We propose to measure inclusive, inelastic (3:1 ! W 2 ! 8:5 GeV 2 ), electron-nucleon and electron-nucleus scatttering cross sections in the region of Bjorken scaling variable (0:02 ! x ! 0:5), and...
Transverse momentum dependence of semi-inclusive pion production (2007)
Mkrtchyan, H., Bosted, P. E., Adams, G. S., Ahmidouch, A., Angelescu, T., Arrington, J., ...
Cross sections for semi-inclusive electroproduction of charged pions ($\pi^{\pm}$) from both proton and deuteron targets were measured for $0.2
Precision Rosenbluth measurement of the proton elastic form factors (2007)
Qattan, I. A., Arrington, J., Segel, R. E., Zheng, X., Aniol, K., Baker, O. K., ...
We report the results of a new Rosenbluth measurement of the proton form factors at Q^2 values of 2.64, 3.20 and 4.10 GeV^2. Cross sections were determined by detecting the recoiling proton in...
Determination of the pion charge form factor for Q^2=0.60-1.60 GeV^2 (2006)
Blok, H. P., Huber, G. M., Abbott, D., Anklin, H., Armstrong, C., ...
The data analysis for the reaction H(e,e' pi^+)n, which was used to determine values for the charged pion form factor Fpi for values of Q^2=0.6-1.6 GeV^2, has been repeated with careful inspection of...
Production and detection of very light spin-zero bosons at optical frequencies (2006)
Afanasev, A. V., Baker, O. K., McFarlane, K. W., Biallas, G. H., Boyce, J. R., Shinn, M. D.
The PVLAS collaboration has observed rotation of the plane of polarization of light passing through a magnetic field in vacuum and has proposed that the effect is due to interaction of photons with...
Nuclear transparency from quasielastic 12C(e,e'p) (2005)
Rohe, D., Benhar, O., Armstrong, C. S., Asaturyan, R., Baker, O. K., Bueltmann, S., ...
We studied the reaction 12C(e,e'p) in quasielastic kinematics at momentum transfers between 0.6 and 1.8 (GeV/c)^2 covering the single-particle region. From this the nuclear transparency factors are...
Precision Rosenbluth measurement of the proton elastic form factors (2004)
Qattan, I. A., Arrington, J., Segel, R. E., Zheng, X., Aniol, K., Baker, O. K., ...
We report the results of a new Rosenbluth measurement of the proton form factors at Q^2 values of 2.64, 3.20 and 4.10 GeV^2. Cross sections were determined by detecting the recoiling proton in...
X-Ray Scanner for Atlas Barrel TRT Modules (2004)
Shin, Taeksu, Baker, O. K., McFarlane, K. W., Vassilakopoulos, Vassilios
X-ray scanners for gain mapping of ATLAS Barrel Transition Radiation Tracker (TRT) modules were developed at Hampton University for quality assurance purposes. Gas gain variations for each straw of...
Hypernuclear Spectroscopy using the (e,e'K+) Reaction (2004)
Yuan, L., Sarsour, M., Miyoshi, T., Zhu, Z., Ahmindouch, A., Androic, D., ...
A pioneering experiment in Lambda hypernuclear spectroscopy, undertaken at the Thomas Jefferson National Accelerator Facility (Jlab), was recently reported. The experiment used the high- precision,...
Correlated Strength in Nuclear Spectral Function (2004)
Rohe, D., Armstrong, C. S., Asaturyan, R., Baker, O. K., Bueltmann, S., Carasco, C., ...
We have carried out an (e,e'p) experiment at high momentum transfer and in parallel kinematics to measure the strength of the nuclear spectral function S(k,E) at high nucleon momenta k and large...
Strauch, S., Dieterich, S., Aniol, K.A., Annand, J.R.M., Baker, O.K., Bertozzi, W., ...
We have measured the proton recoil polarization in the He-4((e) over right arrow ,e(')(p) over right arrow)H-4 reaction at Q(2)=0.5, 1.0, 1.6, and 2.6 (GeV/c)(2). The measured ratio of polarization...
Nuclear transparency from quasielastic A(e,e^{'}p) reactions up to Q^{2}=8.1 (GeV/c)^{2} (2002)
Ahmidouch, A., Armstrong, C.S., Arrington, J., Asaturyan, R., Avery, S., Baker, O.K., ...
x- and xi-scaling of the Nuclear Structure Function at Large x (2001)
Arrington, J., Armstrong, C. S., Averett, T., Baker, O. K., De Bever, L., Bochna, C. W., ...
Inclusive electron scattering data are presented for ^2H and Fe targets at an incident electron energy of 4.045 GeV for a range of momentum transfers from Q^2 = 1 to 7 (GeV/c)^2. Data were taken at...
Measurement of the Charged Pion Electromagnetic Form Factor (2001)
Abbott, D., Anklin, H., Armstrong, C., Arrington, J., Assamagan, K., Avery, S., ...
Experimental Verification of Quark-Hadron Duality (2000)
Niculescu, I., Armstrong, C. S., Arrington, J., Assamagan, K. A., Baker, O. K., Beck, D. H., ...
A newly obtained sample of inclusive electron-nucleon scattering data has been analyzed for precision tests of quark-hadron duality. The data are in the nucleon resonance region, and span the range...
Lambda polarization in associated K+-Lambda electro-production (1999)
Teodorescu, L., Gueye, P., Angelescu, T., Baker, O.K., Ent, R., Guidal, M., ...
The result of a feasibility study to measure the II polarization in associated K+-Lambda electro-production is presented. This measurement was performed in the experimental Hall C at Jefferson Lab....
Lambda polarization in associated K+-Lambda electro-production (1999)
Teodorescu, L., Gueye, P., Angelescu, T., Baker, O.K., Ent, R., Guidal, M., ...
The result of a feasibility study to measure the II polarization in associated K+-Lambda electro-production is presented. This measurement was performed in the experimental Hall C at Jefferson Lab....
Associated $\Lambda$ production at Jefferson Lab (1998)
Baker, O.K., Avery, S., Assamagan, K., Beard, K., Cha, J., Eden, T., ...
Associated $\Lambda$ production at Jefferson Lab (1998)
Baker, O.K., Avery, S., Assamagan, K., Beard, K., Cha, J., Eden, T., ...
Electroproduction of charged pions from $^{1}$H, $^{2}$H, $^{40}$Ca and $^{208}$Pb (1995)
Badalyan, N N, Badalyan, R G, Chubarian, M Ya, Kuznetsov, A A, Pechenov, V N, Troyan, Yu A, ...
Nuclear resonance effect in atomic electron capture by protons (1988)
Baker, O.K., Meyerhof, W.E., Spooner, D.W., Stoller, Ch., Scheurer, J.N.
Nuclear resonance effect in atomic electron capture by protons (1988)
Baker, O.K., Meyerhof, W.E., Spooner, D.W., Stoller, Ch., Scheurer, J.N.
K-vacancy production in high-energy U+U and U+Pb collisions at small impact parameters (1986)
Molitoris, J.D., Anholt, R., Meyerhof, W.E., Baker, O.K., Andriamonje, S., Morenzoni, E.
K-vacancy production in high-energy U+U and U+Pb collisions at small impact parameters (1986)
Molitoris, J.D., Anholt, R., Meyerhof, W.E., Baker, O.K., Andriamonje, S., Morenzoni, E.
Strauch, S., Dieterich, S., Aniol, K.A., Annand, J.R.M., Baker, O.K., Bertozzi, W., ...
We have measured the proton recoil polarization in the He-4((e) over right arrow ,e(')(p) over right arrow)H-4 reaction at Q(2)=0.5, 1.0, 1.6, and 2.6 (GeV/c)(2). The measured ratio of polarization...
Strauch, S., Dieterich, S., Aniol, K.A., Annand, J.R.M., Baker, O.K., Bertozzi, W., ...
We have measured the proton recoil polarization in the He-4((e) over right arrow ,e(')(p) over right arrow)H-4 reaction at Q(2)=0.5, 1.0, 1.6, and 2.6 (GeV/c)(2). The measured ratio of polarization...