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The derivation of linear response theory within polarizable embedding is carried out from a rigorous quantum-mechanical treatment of a composite system. Two different subsystem decompositions (symmetric and nonsymmetric) of the linear…

Chemical Physics · Physics 2017-10-09 Nanna Holmgaard List , Patrick Norman , Jacob Kongsted , Hans Jørgen Aagaard Jensen

Hadron production in lepton-nucleus deep inelastic scattering is studied in a quark energy loss model. The leading-order computations for hadron multiplicity ratios are presented and compared with the selected HERMES pions production data…

High Energy Physics - Phenomenology · Physics 2013-10-23 Li-Hua Song , Na Liu , Chun-Gui Duan

We analyze recent data on the electroproduction of hadrons on nuclei using the Lund model for electroproduction on nucleons and a simple geometrical model for the absorption effects. We show that the model seems to overestimate the…

High Energy Physics - Phenomenology · Physics 2009-04-24 K. Fialkowski , R. Wit

The advent of high-energy hadron colliders necessitates efficient and accurate computation of multi-jet production processes, both as QCD processes in their own right and as backgrounds for other physics. The algorithm that performs these…

High Energy Physics - Phenomenology · Physics 2011-09-13 Petros D. Draggiotis , Ronald H. P. Kleiss , Costas G. Papadopoulos

The subject of particle-antiparticle mixing in the neutral B meson systems is reviewed. The formalism of B0-B0bar mixing is recalled and basic Standard Model predictions are given, before experimental issues are discussed and the latest…

High Energy Physics - Experiment · Physics 2007-05-23 Olivier Schneider

We give a reminder on the major inputs of microscopic hadronic transport models and on the physics aims when describing various aspects of relativistic heavy ion collisions at SPS energies. We then first stress that the situation of…

Nuclear Theory · Physics 2009-11-07 Carsten Greiner

A shape of statistical momentum distribution of hadrons produced in high energy particle collisions closely resembles one observed for a broad variety of phenomena in nature. An attempt was made to understand a genesis of this distribution…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Kropivnitskaya , A. Rostovtsev

A quantum mechanical approach is proposed for the formation of antihydrogen in the ground and excited states (2s, 2p) via the mechanism of three body recombination (TBR) inside a trapped plasma of anti proton and positron or in the…

Atomic Physics · Physics 2009-11-13 S. Roy , S. Ghosh Deb , C. Sinha

Dark matter may be coupled to dark radiation: light degrees of freedom that mediate forces between dark sector particles. Cosmological constraints favor dark radiation that is colder than Standard Model radiation. In models with fixed…

High Energy Physics - Phenomenology · Physics 2016-10-12 Matthew Reece , Thomas Roxlo

In this talk, we discuss some general properties of particle production in a field theory coupled to strong time dependent sources, and techniques to compute the spectrum of the produced particles in such theories. We also discuss the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Francois Gelis , Raju Venugopalan

We examine multiphoton production in the electroweak sector of the Standard Model in the high energy limit using the equivalence theorem in combination with spinor helicity techniques. We obtain recursion relations for currents consisting…

High Energy Physics - Phenomenology · Physics 2009-10-22 G. Mahlon , T. M. Yan

The measurement of (anti)nuclei production in pp, p-A and A-A collisions at ultrarelativistic energies is important to understand hadronization. The excellent tracking and particle identification capabilities of ALICE make it the most…

Nuclear Experiment · Physics 2020-10-07 Chiara Pinto

We study the impact of a hidden sector beyond the Standard Model, e.g. a Hidden Valley model, on factorial moments and cumulants of multiplicity distributions in multiparticle production with a special emphasis on the prospects for LHC…

High Energy Physics - Phenomenology · Physics 2016-01-27 Miguel-Angel Sanchis-Lozano , Edward K. Sarkisyan-Grinbaum , Salvador Moreno-Picot

We study nuclear shadowing in $J/\psi$ and $\Upsilon$ production in hadron-nucleus interactions and in nucleus-nucleus collisions at the Relativistic Heavy Ion Collider and the Large Hadron Collider. %We define the regions in $x_f$ where…

High Energy Physics - Phenomenology · Physics 2009-09-25 S. Liuti , R. Vogt

The production/absorption rate of particles in compressed and heated asymmetric matter is studied using a Relativistic Mean Field (RMF) transport model with an isospin dependent collision term. Just from energy conservation in the…

Nuclear Theory · Physics 2008-11-26 G. Ferini , M. Colonna , T. Gaitanos , M. Di Toro

We present a way to account for coherence length effects in a semi-classical transport model. This allows us to describe photo- and electroproduction at large nuclei (A>12) and high energies using a realistic coupled channel description of…

Nuclear Theory · Physics 2007-05-23 T. Falter , U. Mosel

We introduce the parameter of bunching for an analysis of the intermittent structure of multihadron production in high-energy collisions following an analogy with photon counting in quantum optics. A power-law singularity is shown to exist…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. V. Chekanov , V. I. Kuvshinov

According to quantum chromodynamics, at sufficiently high energy, the structure of hadrons reveals a dynamic equilibrium between gluon splitting and gluon recombination -- a phenomenon known as saturation. The process of diffractive…

Nuclear Experiment · Physics 2025-03-25 ALICE Collaboration

Hadron multiplicity in the central rapidity region of high-energy heavy-ion collisions is investigated within a two-component mini-jet model which consists of soft and semi-hard particle production. The hard contribution from mini-jets is…

Nuclear Theory · Physics 2009-11-07 Shi-yuan Li , Xin-Nian Wang

Differences in the photoproduction of mesons on the free proton and on nuclei are expected to reveal changes in the properties of hadrons. Inclusive studies of nuclear photoabsorption have provided evidence of medium modifications. However,…

Nuclear Experiment · Physics 2008-11-26 S. Schadmand