An archive for quasi-elastic electron-nucleus scattering data (2006)
In connection with a review article on inclusive quasi-elastic electron-nucleus scattering submitted to Reviews of Modern Physics, we have collected as many cross sections as possible, and placed...
Lepton-nucleus scattering in the impulse approximation regime (2005)
Benhar, O., Farina, N., Nakamura, H., Sakuda, M., Seki, R.
We discuss theoretical calculations of electron- and neutrino-nucleus scattering, carried out using realistic nuclear spectral functions and including the effect of final state interactions....
Two-Body Electrodisintegration of $^3$He at High Momentum Transfer (2005)
Schiavilla, R., Benhar, O., Kievsky, A., Marcucci, L. E., Viviani, M.
The $^3$He$(e,e^\prime p)$$d$ reaction is studied using an accurate three-nucleon bound state wave function, a model for the electromagnetic current operator including one- and two-body terms, and...
Nuclear transparency from quasielastic 12C(e,e'p) (2005)
Rohe, D., Benhar, O., Armstrong, C. S., Asaturyan, R., Baker, O. K., Bueltmann, S., ...
We studied the reaction 12C(e,e'p) in quasielastic kinematics at momentum transfers between 0.6 and 1.8 (GeV/c)^2 covering the single-particle region. From this the nuclear transparency factors are...
Schiavilla, R., Benhar, O., Kievsky, A., Marcucci, L. E., Viviani, M.
Polarization observables in the $^4$He$(\vec{e},e^\prime\vec{p})$$^3$H reaction are calculated using accurate three- and four-nucleon bound-state wave functions, a realistic model for the nuclear...
Gravitational waves from neutron stars described by modern EOS (2004)
Benhar, O., Ferrari, V., Gualtieri, L.
The frequencies and damping times of neutron star (and quark star) oscillations have been computed using the most recent equations of state available in the literature. We find that some of the...
Gravitational Wave asteroseismology revisited (2004)
Benhar, O., Ferrari, V., Gualtieri, L.
The frequencies and damping times of the non radial oscillations of neutron stars are computed for a set of recently proposed equations of state (EOS) which describe matter at supranuclear densites....
Hadron Multiplicity in Semi-Inclusive Lepton-Nucleon and Lepton-Nucleus Scattering (2003)
Benhar, O., Fantoni, S., Lykasov, G. I., Sukhatme, U., Uzhinsky, V. V.
We discuss multi-hadron production in both inelastic neutrino-nucleon interactions in the current fragmentation region and neutrino-nucleus collisions in the target fragmentation region. Our...
Deuteron distribution in nuclei and the Levinger's factor (2003)
Benhar, O., Fabrocini, A., Fantoni, S., Illarionov, A. Yu., Lykasov, G. I.
We compute the distribution of quasideuterons in doubly closed shell nuclei. The ground states of $^{16}$O and $^{40}$Ca are described in $ls$ coupling using a realistic hamiltonian including the...
Final-state interactions in the response of nuclear matter (2002)
Petraki, M., Mavrommatis, E., Benhar, O., Clark, J. W., Fabrocini, A., Fantoni, S.
Final-state interactions in the response of a many-body system to an external probe delivering large momentum are normally described using the eikonal approximation, for the trajectory of the struck...
$Q^2$-dependence of backward pion multiplicity in neutrino-nucleus interactions (2001)
Benhar, O., Fantoni, S., Lykasov, G. I., Sukhatme, U.
The production of pions emitted backward in inelastic neutrino-nucleus interactions is analyzed within the impulse approximation in the framework of the dual parton model. We focus on the...
Deuteron distribution in nuclear matter (2001)
Benhar, O., Fabrocini, A., Fantoni, S., Illarionov, A. Yu., Lykasov, G. I.
We analyze the properties of deuteron-like structures in infinite, correlated nuclear matter, described by a realistic hamiltonian containing the Urbana $v_{14}$ two-nucleon and the Urbana TNI...
Benhar, O., Fabrocini, A., Fantoni, S.
Within the impulse approximation the response of a many body system at large momentum tranfer can be written in a simple and transparent form, allowing to directly relate the inclusive scattering...
Nuclear structure functions and off-shell corrections (2000)
Benhar, O., Fantoni, S., Lykasov, G. I.
The $n$-th moments of the nuclear structure function $F_2^A(x,Q^2)$ are analyzed using the off-shell kinematics appropriate to describe deep inelastic electron-nucleus scattering within the impulse...
Many-body theory interpretation of deep inelastic scattering (2000)
Benhar, O., Pandharipande, V. R., Sick, I.
We analyze data on deep inelastic scattering of electrons from the proton using ideas from standard many-body theory involving {\em bound} constituents subject to {\em interactions}. This leads us to...
Final state interactions in $^{4}$He(e,e$^\prime$p)$^{3}$H at large proton energy (2000)
Benhar, O., Nikolaev, N. N., Speth, J., Usmani, A. A., Zakharov, B. G.
At large proton energy, the final state interactions of the knocked out nucleon in $\eep$ reactions off nuclear targets can be described within the eikonal approximation, treating the spectator...
Backward hadron production in neutrino-nucleus interactions (1999)
Benhar, O., Fantoni, S., Lykasov, G. I.
The production of backward pions in lepton-nucleus collisions is analyzed. We show that a large yield of high momentum backward pions can be explained by the Regge asymptotic of the distribution of...
The imprint of the equation of state on the axial w-modes of oscillating neutron stars (1999)
Benhar, O., Berti, E., Ferrari, V.
We discuss the dependence of the pulsation frequencies of the axial quasi-normal modes of a nonrotating neutron star upon the equation of state describing the star interior. The continued fraction...
On the behaviour of the nuclear spectral function at high momentum and removal energy (1998)
Benhar, O., Fantoni, S., Lykasov, G. I.
The extrapolation of the nuclear spectral function at large nucleon three-momentum and removal energy is suggested.
We analize semi-inclusive electron-nucleus processes e+A->e'+h+X at moderate Q**2 and energy transfer nu. Our results show that nucleons bound in the nuclear medium are distributed according to a...
Q**2-dependence of deep inelastic lepton scattering off nuclear targets (1997)
Benhar, O., Fantoni, S., Lykasov, G. I., Slavin, N. V.
Deep inelastic scattering of leptons off nuclear targets is analized within the convolution model taking into account nucleon-nucleon correlations. We show that in the nuclear medium nucleons are...
On the missing momentum dependence of the color transparency effects in (e,e'p) scattering (1996)
Benhar, O., Fantoni, S., Nikolaev, N. N., Speth, J., Usmani, A. A., Zakharov, B. G.
We explore the missing momentum dependence of the CT effects in quasielastic (e,e'p) scattering. We develop the coupled-channel multiple-scattering theory (CCMST) description of final-state...
Glauber theory of initial- and final-state interactions in (p,2p) scattering (1996)
Benhar, O., Fantoni, S., Nikolaev, N. N., Speth, J., Usmani, A. A., Zakharov, B. G.
We develop the Glauber theory description of initial- and final-state interactions (IFSI) in quasielastic A(p,2p) scattering. We study the IFSI-distortion effects both for the inclusive and exclusive...
Benhar, O., Fantoni, S., Nikolaev, N. N., Speth, J., Usmani, A. A., Zakharov, B. G.
We use multiple scattering theory to evaluate the $Q^{2}$ dependence of the forward-backward asymmetry, $A_{z}$, of the missing momentum distribution in quasielstic $A(e,e'p)$ scattering, which is...
Accidental $\xi$-scaling as a Signature of Nuclear Effects at $x>1$ (1995)
We propose an interpretation of the $\xi$-scaling behavior of nuclear structure functions observed at Bjorken $x>1$ and $Q^2 \lesssim 4 \, {\rm (GeV/c)^2}$. We show that at $\xi \gtrsim 1$,...
We discuss how the virtuality of the struck particle may affect the final state interactions in electron-nucleus scattering. The extent to which short range correlations inhibit rescattering taking...
Photo and electro production of strangeness and charm in hadronic matter (1993)
Bertin, P.Y., Berthot, J., Breton, V., Audit, G., Benhar, O., Chanfray, G., ...