Abstract We investigate the prospect of discovering Flavour Changing Neutral Current (FCNC) couplings via two production processes yielding trilepton signals: top quark pair pp\to t\bar{t} with one decaying to Z boson and light jet anomalous single plus process tZ . study these channels at various successors Large Hadron Collider (LHC), i.e., approved High-Luminosity LHC (HL-L...

We study the method to exotic hadrons using femtoscopic correlation function in high-energy collisions. The formula for extended coupled-channel case is employed. see that how effect works from different hadron emitting sources with of K − p function. applied prediction DD * /DD̅ T cc /X (3872) state.

QCD sum rules are based on the Operator Product Expansion of current correlators, and on QCD-hadron duality. An extension of this program to finite temperature is discussed. This allows for a study of deconfinement and chiral-symmetry restoration. In addition, it is possible to relate certain hadronic matrix elements to expectation values of quark and gluon field operators by using thermal Fini...

The COMPASS fixed-target experiment at the CERN-SPS studies the structure and spectrum of hadrons. One important goal using hadron beams is the search for new states, in particular spin-exotic mesons and glueballs. As a first input to the puzzle, COMPASS observed a significant J PC spin-exotic signal in the 2004 pilot run data (190 GeV/c π − beam, Pb target) in three charged pion final states c...

where the field strength F a μν = ∂μA a ν − ∂νA a μ + gfAμA c ν , z = y− x and P denotes path ordering of the exponential. In general, the gauge invariant field strength correlator could be defined with an arbitrary gauge string connecting the end points x and y, but in this work we shall restrict ourselves to a straight line. It is the basic ingredient in the stochastic model of the QCD vacuum...

The main operational parameter of a silicon detector is the charge collected at the electrodes when a particle is impinging on the device. The collected charge should reach its maximum when the detector is fully depleted. Thus it is of major importance to determine the full depletion voltage of the detector before and after irradiation with fast hadron fluence (Φ ). The measurement of the full ...

By improving a lattice action, one hopes that calculations at a fixed lattice spacing will be closer to their continuum values than with the original action, and similarly that calculations of a fixed accuracy can be performed on coarser lattices than those required, for example, by the Wilson action. For the present work, we consider an action which has classical errors beginning only at O(a3)...

An overview of recent high-pT hadron and photon measurements at RHIC is presented with a focus on the evolution of hadron/photon production from intermediate pT (. 5 GeV/c) to high pT (> 10 GeV/c). Addressed topics include single high-pT hadron production, azimuthal anisotropy of π production, di-jet modification at intermediate pT and inclusive photon-hadron correlations. The understanding of ...

We introduce an eikonal Monte Carlo model (running in conjunction with HERWIG) for simulating multiparticle production in hadron-hadron interactions. We compare our simulated data to the CDF Tevatron measurement of the underlying event activity in hard inelastic proton-antiproton scattering at √ s=1.8 TeV. By fixing the only free parameter in our model, the total hadron-hadron cross section , w...

We investigate the power-suppressed corrections to the fragmentation functions of the current jet in non-singlet deep inelastic lepton-hadron scattering. The current jet is defined by selecting final-state particles in the current hemisphere in the Breit frame of reference. Our method is based on an analysis of one-loop Feynman graphs containing a massive gluon, which is equivalent to the evalu...