L. Frankfurt

The increase with energy of the parton transverse momenta in the current fragmentation region and related pQCD phenomena in DIS at very high energies (2008)

We argue that the process gamma +A \to J/psi + gap + X at large momentum transfer provides a quick and effective way to test onset of a novel perturbative QCD regime of strong absorption for the...

Blok, B., Frankfurt, L., Strikman, M.

We find, within the pQCD dipole model for DIS processes, a rapid increase with energy of the scale of parton momenta in the current fragmentation region in the limit $s\to \infty$ and fixed $Q^2$ ....

Evidence for color fluctuations in the nucleon in high-energy scattering (2008)

Frankfurt, L., Strikman, M., Treleani, D., Weiss, C.

We study quantum fluctuations of the nucleon's parton densities by combining QCD factorization for hard processes with the notion of cross section fluctuations in soft diffraction. The fluctuations...

Color Transparency in Semi-Inclusive Electroproduction of rho Mesons (2008)

Frankfurt, L., Miller, G. A, Strikman, M.

We study the electroproduction of rho mesons in nuclei at intermediate energies, deriving a treatment of the energy lost by the rho in each step of multiple-scattering. This enables a close match...

12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD (2007)

Bartels, J., Borras, K., Diehl, M., Jung, H., Abramowicz, H., Albacete, J., ...

Proceedings of the 12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD

Rapidity gap survival in the black-disk regime (2007)

Frankfurt, L., Hyde, C. E., Strikman, M., Weiss, C.

We summarize how the approach to the black--disk regime (BDR) of strong interactions at TeV energies influences rapidity gap survival in exclusive hard diffraction pp--> p + H + p (H =dijet, \bar Q...

Rapidity gap survival in the black-disk regime (2007)

Frankfurt, L., Hyde, C. E., Strikman, M., Weiss, C.

We summarize how the approach to the black-disk regime (BDR) of strong interactions at TeV energies influences rapidity gap survival in exclusive hard diffraction pp -> p + H + p (H = dijet, Qbar-Q,...

The physics of ultraperipheral collisions at the LHC (2007)

Baltz, A. J., Baur, G., D'Enterria, D., Frankfurt, L., Gelis, F., Guzey, V., ...

We discuss the physics of large impact parameter interactions at the LHC: ultraperipheral collisions (UPCs). The dominant processes in UPCs are photon-nucleon (nucleus) interactions. The current LHC...

The Physics of Ultraperipheral Collisions at the LHC (2007)

Baltz, A. J., Baur, G., D'Enterria, D., Frankfurt, L., Gelis, F., Guzey, V., ...

We discuss the physics of large impact parameter interactions at the LHC: ultraperipheral collisions (UPCs). The dominant processes in UPCs are photon-nucleon (nucleus) interactions. The current LHC...

Photoproduction at collider energies: from RHIC and HERA to the LHC (2007)

Baltz, A, Baur, G, Brodsky, S J, D'Enterria, D G, Dreyer, U, Engel, R, ...

We present the mini-proceedings of the workshop on ``Photoproduction at collider energies: from RHIC and HERA to the LHC'' held at the European Centre for Theoretical Studies in Nuclear Physics and...

Photoproduction at collider energies: from RHIC and HERA to the LHC (2007)

Baltz, A., Baur, G., Brodsky, S. J., D'Enterria, David, Dreyer, U., Engel, R., ...

We present the mini-proceedings of the workshop on ``Photoproduction at collider energies: from RHIC and HERA to the LHC'' held at the European Centre for Theoretical Studies in Nuclear Physics and...

Large t diffractive rho-meson photoproduction with target dissociation in ultraperipheral pA and AA collisions at LHC (2006)

The casuality and/or energy-momentum conservation constraints on QCD amplitudes in small x regime (2006)

We demonstrate that study of large t vector meson photoproduction with rapidity gaps in ultraperipheral proton-ion and ion-ion collisions at LHC would allow to investigate the energy dependence of...

12th International Conference on Elastic and Diffractive Scattering : Forward Physics and QCD (2006)

The causality and/or the energy-momentum constraints on the amplitudes of high energy processes are generalized to QCD. The constraints imply that the energetic parton may experience at most one...

Bartels, J, Borras, K, Diehl, M, Jung, H, Abramowicz, H, Albacete, J, ...

Transverse imaging of the proton in exclusive diffractive pp scattering (2006)

Hyde-Wright, C. E., Frankfurt, L., Strikman, M., Weiss, C.

In a recent paper (hep-ph/0608271) we describe a new approach to rapidity gap survival (RGS) in the production of high-mass systems (H = dijet, Higgs, etc.) in exclusive double-gap diffractive pp...

Generalized parton distributions and rapidity gap survival in exclusive diffractive pp scattering (2006)

Frankfurt, L., Hyde-Wright, C. E., Strikman, M., Weiss, C.

We propose a new approach to the problem of rapidity gap survival (RGS) in the production of high-mass systems (H = dijet, heavy quarkonium, Higgs boson) in double-gap exclusive diffractive pp...

Elastic and large t rapidity gap vector meson production in ultraperipheral proton-ion collisions (2006)

Evidence for the Strong Dominance of Proton-Neutron Correlations in Nuclei (2006)

We evaluate the cross sections for the production of vector mesons in exclusive ultraperipheral proton-ion collisions at LHC. We find that the rates are high enough to study the energy and momentum...

Piasetzky, E., Sargsian, M., Frankfurt, L., Strikman, M., Watson, J. W.

We analyze recent data from high-momentum-transfer $(p,pp)$ and $(p,ppn)$ reactions on Carbon. For this analysis, the two-nucleon short-range correlation (NN-SRC) model for backward nucleon emission...

Tachyon dynamics of the black disc limit in the hard small $x$ processes in QCD (2005)

On the limiting behaviour of hard processes in QCD at small x (2005)

We investigate the effective field theory (EFT) which gives the approximate description of the scattering of the two hard small dipoles in the small $x$ processes in QCD near the black disc...

On the behaviour of single scale hard small $x$ processes in QCD near the black disc limit (2005)

At sufficiently small $x$ where pQCD methods become insufficient we rewrote sum of dominant Feynman diagrams for single-scale hard processes in the form of the effective field theory where a...

Small-x Physics: From HERA to LHC and beyond (2005)

We argue that at sufficiently small Bjorken $x$ where pQCD amplitude rapidly increases with energy and violates probability conservation the shadowing effects in the single-scale small $x$ hard QCD...

Frankfurt, L., Strikman, M., Weiss, C.

We summarize the lessons learned from studies of hard scattering processes in high-energy electron-proton collisions at HERA and antiproton-proton collisions at the Tevatron, with the aim of...

On the increase with relative distances of light cone operator product of currents and related phenomena (2005)

Charm production in antiproton-nucleus collisions at the $J/\psi$ and the $\psi'$ thresholds (2005)

We show that in QCD in the leading twist approximation flavor singlet light cone current-current correlators increase with distances rapidly similar to the correlator of velocities in turbulence and...

Gerland, L., Frankfurt, L., Strikman, M.

We discuss the production of charmonium states in antiproton-nucleus collisions at the $\psi'$ threshold. It is explained that measurements in $\bar p A$ collisions will allow to get new information...

Charm production in antiproton-nucleus collisions at the $J/\psi$ and the $\psi'$ thresholds (2005)

Gerland, L., Frankfurt, L., Strikman, M.

We discuss the production of charmonium states in antiprotonnucleus ollisions at the $\psi'$ threshold. It is explained that measurements in in $\overline{p}A$ collisions will allow to get new...

Charm production in antiproton-nucleus collisions at the $J/\psi$ and the $\psi'$ thresholds (2005)

Gerland, L., Frankfurt, L., Strikman, M.

We discuss the production of charmonium states in antiprotonnucleus ollisions at the $\psi'$ threshold. It is explained that measurements in in $\overline{p}A$ collisions will allow to get new...

Transverse structure of strong interactions at LHC: From diffraction to new particle production (2004)

Frankfurt, L., Strikman, M., Weiss, C., Zhalov, M.

We discuss the global structure of pp events at LHC with hard processes (particle production in two-parton collisions) on the basis of the transverse spatial characteristics of the partonic initial...

On the universality of cross sections of hadron-hadron(nuclei) collisions at superhigh energies (2004)

3D parton imaging of the nucleon in high-energy pp and pA collisions (2004)

We analyze the pattern of the onset of complete absorption (the black limit) in the high energy hadron-hadron collisions. The black limit arises due to the hard and soft interaction dynamics as a...

Frankfurt, L., Strikman, M., Weiss, C.

We discuss several examples of how the transverse spatial distribution of partons in the nucleon, as well as multiparton correlations, can be probed by observing hard processes (dijets) in...

Large distance behaviour of light cone operator product in perturbative and nonperturbative QCD regimes (2004)

Dijet production as a centrality trigger for p-p collisions at CERN LHC (2003)

We evaluate the coordinate space dependence of the matrix elements of the commutator of the electromagnetic and gluon currents in the vicinity of the light-cone but at large distances within the...

Frankfurt, L., Strikman, M., Weiss, C.

We demonstrate that a trigger on hard dijet production at small rapidities allows to establish a quantitative distinction between central and peripheral collisions in pbar-p and p-p collisions at...

Hard probes in heavy ion collisions at the LHC: PDFs, shadowing and $pA$ collisions (2003)

Accardi, A., Armesto, N., Botje, M., Brodsky, S. J., Cole, B., Eskola, K. J., ...

This manuscript is the outcome of the subgroup ``PDFs, shadowing and $pA$ collisions'' from the CERN workshop ``Hard Probes in Heavy Ion Collisions at the LHC''. In addition to the experimental...

Leading twist coherent diffraction on nuclei in deep inelastic scattering at small x and nuclear shadowing (2003)

Color Screening and the Suppression of the Charmonium State Yield in Nuclear Reactions (2003)

We extend the theory of leading twist nuclear shadowing to calculate leading twist nuclear diffractive parton distribution functions (nDPDFs). We observe that the quark and gluon nPDFs have different...

Gerland, L., Frankfurt, L., Strikman, M., Stocker, H.

We discuss the new data for the production of the $\psi'$ meson in pA collisions at 450 GeV at CERN-SPS (of the NA50-collaboration) [1]. We extract from the CERN data $\sigma(\psi' N)\approx 8$ mb...

Hard Photodisintegration of a Proton Pair in 3He (2003)

Brodsky, S. J., Frankfurt, L., Gilman, R., Hiller, J. R., Miller, G. A., Piasetzky, E., ...

Hard photodisintegration of the deuteron has been extensively studied in order to understand the dynamics of the transition from hadronic to quark-gluon descriptions of the strong interaction. In...

Coherent Photoproduction from Nuclei (2003)

Onset of Perturbative Color Opacity at Small x and Upsilon Coherent Photoproduction off heavy nuclei at LHC (2003)

We argue that study of the cross section of coherent photo(electro) production of vector mesons off nuclear targets provides an effective method to probe the leading twist hard QCD regimes of color...

Frankfurt, L., Guzey, V., Strikman, M., Zhalov, M.

We study photon-induced coherent production of Upsilon in ultraperipheral heavy ion collisions at LHC and demonstrate that the counting rates will be sufficient to measure nuclear shadowing of...

Nuclear shadowing and extraction of F_2p-F_2n at small x from deuteron collider data (2003)

Leading twist nuclear shadowing: uncertainties, comparison to experiments and higher twist effects (2003)

We demonstrate that leading twist nuclear shadowing leads to large corrections for the extraction of the neutron structure function F_2n from the future deuteron collider data both in the inclusive...

The universal psi-prime-prime to psi-prime ratio as unambiguous signature for hard physics in nuclear reactions and in decays of beauty hadrons (2003)

Using the leading twist approach to nuclear shadowing, which is based on the relationship between nuclear shadowing and diffraction on a nucleon, we calculate next-to-leading order nuclear parton...

Frankfurt, L., Gerland, L., Strikman, M., Zhalov, M.

We suggest the ratio of the $\psi''(3770)/\psi'(3686)$ production cross sections as an unambiguous probe of the dominance of hard, point-like physics in charmonium production. If hard physics...

Probing coherent charmonium photoproduction off light nuclei at medium energies (2003)

Frankfurt, L., Gerland, L., Strikman, M., Zhalov, M.

We demonstrate how the elementary amplitudes $\gamma N\to \Psi N$, the amplitude of the nondiagonal $J/\psi N\Leftrightarrow \psi' N$ transition, and the total $J/\psi N$ and $\psi' N$ cross sections...

Cross Section Oscillations in the Coherent Charmonium Photoproduction off Nuclei at Moderate Energies (2003)

Frankfurt, L., Gerland, L., Strikman, M., Zhalov, M.

We calculate the coherent charmonium photoproduction at intermediate energies accounting for the physics of the charmonium bound states and the dependence of the cross section on the region occupied...

Ion induced quark-gluon implosion (2002)

Coherence Effects in Diffractive Electroproduction from Nuclei (2002)

We investigate nuclear fragmentation in the central proton-nucleus and nucleus - nucleus collisions at the energies of LHC. We argue that within the semi-classical approximation because of fast...

Novel hard semiexclusive processes and color singlet clusters in hadrons (2002)

We argue that study of the cross section of coherent photo(electro) production of $\rho,\rho^{\prime}, ...$-mesons provides an effective method to probe onset of black body limit(BBL) in the soft and...

Frankfurt, L., Polyakov, M. V., Strikman, M., Zhalov, D., Zhalov, M.

Hard scattering to a three cluster final state is suggested as a method to probe configurations in hadrons containing small size color singlet cluster and a residual quark-gluon system of a finite...

Predictions of the Generalized Glauber Model for the coherent $\rho$-production at RHIC and the STAR data (2002)

A new hard QCD phenomenon - proton diffraction into three jets (2002)

We calculate the rapidity distribution and the total cross section of coherent and incoherent $\rho$-production in the heavy ion ultraperipheral collisions (UPC) at $\surd s_{NN}=130$ GeV using the...

Novel QCD phenomena in pA collisions at LHC (2002)

We argue that the process of the proton diffraction into three jets in proton-nucleus scattering at LHC will allow to investigate the light-cone wave function of protons, generalized gluon densities...

Coulomb induced diffraction of energetic hadrons into jets (2002)

We discuss novel QCD phenomena in pA collisions at LHC energies such as the possibility to invesigate the behaviour of hard processes at $x $ as low as $10^{-7}$, signals for onset of the black body...

Signals for black body limit in coherent ultraperipheral heavy ion collisions (2002)

The electromagnetic (e.m.) current conservation and renormalizability of QCD are used to calculate the amplitude of energetic hadron(photon) diffraction into several jets with large relative...

Investigation of the high momentum component of nuclear wave function using hard quasielastic A(p,2p)X reactions (2002)

We argue that study of total cross section of photoabsorption and coherent photoproduction of $\rho,\rho^{\prime}$-mesons in ultraperipheral heavy ion collisions (UPC) is effective method to probe...

Yaron, I., Alster, J., Frankfurt, L., Piasetzky, E., Sargsian, M., Strikman, M.

We present theoretical analysis of the first data on the high energy and momentum transfer (hard) quasielastic $C(p,2p)X$ reactions. The cross section of hard $A(p,2p)X$ reaction is calculated within...

Nuclear shadowing in deep inelastic scattering on nuclei: leading twist versus eikonal approaches (2002)

Frankfurt, L., Guzey, V., McDermott, M., Strikman, M.

We use several diverse parameterizations of diffractive parton distributions, extracted in leading twist QCD analyses of the HERA diffractive deep inelastic scattering (DIS) data, to make predictions...

Nuclear shadowing in deep inelastic scattering on nuclei: leading twist versus eikonal approaches (2002)

Frankfurt, L., Guzey, V., McDermott, M., Strikman, M. .

Nuclear shadowing in deep inelastic scattering on nuclei: leading twist versus eikonal approaches (2002)

Frankfurt, L., Guzey, V., McDermott, M., Strikman, M. .

Fading out of J/psi color transparency in high energy heavy ion peripheral collisions (2001)

Electron-Nucleus Collisions at THERA (2001)

We provide predictions for the J/psi coherent production in the peripheral heavy ion collisions at LHC and at RHIC using the leading twist model of nuclear shadowing based on the QCD factorization...

Frankfurt, L., Guzey, V., McDermott, M., Strikman, M.

The nuclear option at THERA provides an ideal and unique opportunity to investigate the black body limit (BBL) of high energy Deep Inelastic Scattering of highly virtual photons off heavy nuclear...

Revealing the black-body regime of small-x deep-inelastic scattering through final-state signals (2001)

Frankfurt, L., Guzey, V., McDermott, M., Strikman, M.

We derive the major characteristics of inclusive and diffractive final states in deep-inelastic scattering off heavy nuclei for the-high energy (small-x) kinematics in which the limit of complete...

Nuclear Broadening Effects on Hard Prompt Photons at Relativistic Energies (2001)

Dumitru, A., Frankfurt, L., Gerland, L., Stöcker, H., Strikman, M.

We calculate prompt photon production in high-energy nuclear collisions. We focus on the broadening of the intrinsic transverse momenta of the partons in the initial state from nuclear effects, and...

Colour coherent phenomena on nuclei and the QCD evolution equation (2001)

Revealing the black-body regime of small-x deep-inelastic scattering through final-state signals (2001)

Frankfurt, L., Guzey, V., McDermott, M., Strikman, M.

Colour coherent phenomena on nuclei and the QCD evolution equation (2001)

Revealing the black-body regime of small-x deep-inelastic scattering through final-state signals (2001)

Frankfurt, L., Guzey, V., McDermott, M., Strikman, M.

Single particle strength restoration and nuclear transparency in high Q^2 exclusive (e,e'p) reactions (2000)

Coherent QCD phenomena in the Coherent Pion-Nucleon and Pion-Nucleus Production of Two Jets at High Relative Momenta (2000)

Quenching of the single particle strength which previously precluded unambiguous measurement of nuclear transparency in quasifree (e,e'p) reactions at high momentum transfer is evaluated from the...

Frankfurt, L., Miller, G. A., Strikman, M.

We use QCD to compute the cross section for coherent production of a di-jet (treated as a $q\bar q$ moving at high relative transverse momentum,$\kappa_t $). In the target rest frame,the space-time...

Color coherent phenomena on nuclei and the QCD evolution equation (2000)

A fresh look at diffractive $J/\psi$ photoproduction at HERA, with predictions for THERA (2000)

We review the phenomenon of color coherence in quantum chromodynamics (QCD), its implications for hard and soft processes with nuclei, and its experimental manifestations. The relation of...

Frankfurt, L., McDermott, M., Strikman, M.

We quantify perturbative and non-perturbative QCD effects in the exclusive $J/\psi$-photoproduction cross section, and in the shrinkage of the differential cross section with respect to momentum...

Suppression of Quarkonium Production in Heavy Ion Collisions at RHIC and LHC (2000)

Gerland, L., Frankfurt, L., Strikman, M., Stöcker, H., Greiner, W.

A model for the production of quarkonium states in the midrapidity region at RHIC and LHC energy range is presented which explores well understood properties of QCD only. An increase of the...

Unitarity and the QCD-improved dipole picture (2000)

McDermott, M., Frankfurt, L., Guzey, V., Strikman, M.

Unitarity and the QCD-improved dipole picture (2000)

McDermott, M., Frankfurt, L., Guzey, V., Strikman, M.

Unitarity and the QCD-improved dipole picture (1999)

McDermott, M., Frankfurt, L., Guzey, V., Strikman, M.

As a consequence of QCD factorization theorems, a wide variety of inclusive and exclusive cross sections may be formulated in terms of a universal colour dipole cross section at small $x$. It is well...

Charmonium Suppression - Interplay of Hadronic and Partonic Degrees of Freedom (1999)

Gerland, L., Frankfurt, L., Strikman, M., Stöcker, H., Greiner, W.

Last year the E866-group of the Fermilab measured the $x_F$ dependence of $J/\Psi$ and $\Psi'$ suppression in $pA$ collisions. We discuss two of the effects found in that experiment with regard to...

Perturbative Pion Wave function in Coherent Pion-Nucleon Di-Jet Production (1999)

Frankfurt, L., Miller, G. A., Strikman, M.

A perturbative QCD treatment of the pion wave function is applied to computing the scattering amplitude for coherent high relative momentum di-jet production from a nucleon.

The Transparency of 12C for Protons (1999)

Lapikas, L., Frankfurt, L., Strikman, M., Zhalov, M.

Existing cross-section data for 1p-shell knockout in the reaction 12C(e,e'p) - as obtained under different kinematic conditions - are shown to be mutually consistent, apart from a recent measurement...

Diffraction at HERA, Color Opacity and Nuclear Shadowing (1998)