We investigate a connection between a renormalon ambiguity of heavy quark mass and the gluon condensate contribution into the quark dispersion law related with a virtuality, being a displacement of heavy quark from the perturbative mass-shell, which happens inside a hadron. Operator Product Expansion is among the most powerful tools in the heavy quark physics. In this respect it is usually appl...

Heavy flavor production at the future Electron-Ion Collider (EIC) will allow us to precisely determine quark/gluon fragmentation processes in vacuum and nuclear medium especially within poorly constrained kinematic region. hadron jet reconstruction with recent EIC detector design have been studies simulation. Results of corresponding physics projections such as dependent modification factor $R_...

A bstract An important aspect of the study Quark-Gluon Plasma (QGP) in ultrarelativistic collisions heavy ions is ability to identify, experimental data, a subset jets that were strongly modified by interaction with QGP. In this work, we propose studying Deep Learning techniques for purpose. Samples Z +jet events simulated vacuum (pp collisions) and medium (PbPb used train Neural Networks objec...

In light of very recent E989 experimental result, we investigate the possibility that heavy sparticles explain muon g-2 anomaly. We focus on bino-smuon loop in an effective SUSY scenario, where a gravitino plays role dark matter and other are heavy. Due to enhancement left-right mixing smuons by higgsinos, contribution can sizably increase prediction value. Under collider vacuum stability const...

In high-energy collisions of small systems, by high-enough final-state multiplicities, a collective behaviour is present that similar to the flow patterns observed in heavy-ion collisions. Recent studies connect this collectivity semi-soft vacuum-QCD processes. Here we explore QCD production mechanisms using angular correlations heavy flavour simulated proton-proton at s=13 TeV with PYTHIA8 Mon...

In preparation for the heavy ion program of the LHC [1], accumulation and cooling tests with lead ion beams have been performed in the LEAR storage ring [2]. These tests have revealed that due to the unexpected, large outgassing of the vacuum system, the dynamic pressure of the ring could not be maintained low enough to reach the required beam intensities. To determine the actions necessary to ...

We study the decoupling effects in one-loop corrected N = 1 supersymmetric theory with gauge neutral chiral superfields, by calculating the one-loop corrected effective Lagrangian that involves light and heavy fields with the mass scale M , and subsequently eliminating heavy fields by their equations of motion. In addition to new nonrenormalizable couplings, we determine the terms that grow as ...

According to the international accelerator project at GSI, the double synchrotron SIS100/300 and a chain of storage rings will be built (using the present GSI synchrotron SIS18 as injector) in order to achieve high intensity and high energy heavy ion pulses for nuclear or plasma physics studies or anti-proton production. Dynamic vacuum instability and electron cloud are potential intensity limi...

Freeze-drying for electron microscopy is one of the most successful methods for avoiding specimen distortion caused by drying of liquid solutions in air. It has been calculated that the surface forces of receding droplets subject small specimens to pressures of the order of tons per square inch (1). In freeze-drying, an aqueous solution of the specimen is rapidly frozen and the ice allowed to s...