We consider a rotating quark-antiquark (qq̄) pair in N = 4 thermal plasma. By using AdS/CFT correspondence, the properties of this system have been investigated. We study variation of rotating string radius at the boundary as a function of the tip of U-shape string and angular velocity of rotating meson. We also extend the results to the higher derivative corrections i.e. R2 and R4 which corresp...

The potential between a heavy quark and antiquark has been one of the first quantities to be studied in QCD: it is a privileged object for exploring the interplay of perturbative and non-perturbative QCD and the set in of confinement, and it plays a central role in quarkonium physics [1]. Nowadays, the progress of perturbative and lattice calculations requires an accurate and rigorous definitio...

We calculate the one-loop corrections to dihadron production in deep inelastic scattering (DIS) at small $x$ using color glass condensate formalism. show that all UV and soft singularities cancel while collinear divergences are absorbed into quark antiquark-hadron fragmentation functions. Rapidity lead Jalilian-Marian, Iancu, McLerran, Weigert, Leonidov Kovner evolution of dipoles quadrupoles d...

We compute the electromagnetic charged kaon form factor in time-like region by employing a Poincar\'e covariant formalism of Bethe-Salpeter equation to study quark-antiquark bound states conjunction with Schwinger-Dyson for quark propagator. Following recent kindred calculation pion factor, we include most relevant intermediate composite particles permitted their quantum numbers interaction ker...

The strange content of the nucleon is under particular attention by the high energy physics society recently. Ji and Tang suggested that if a small locality of strange sea in nucleon is confirmed, some phenomenological consequences can be resulted in. The CCFR data indicate that s(x)/s̄(x) ∼ (1 − x)−0.46±0.87. Assuming an asymmetry between s and s̄, Ji and Tang analyzed the CCFR data and conclude...

Ultra-peripheral heavy ion collisions involve long range electromagnetic interactions at impact parameters larger than twice the nuclear radius, where no nucleon-nucleon collisions occur. We report on the first observation of ρ meson production in dAu → dAuρ 0 and dAu → npAuρ 0. In ultraperipheral heavy-ion collisions, two nuclei geometrically " miss " each other. The impact parameter is larger...

We investigate the photon emission arising from the shift of the quark/antiquark masses during the chiral phase transition in the early stage of ultrarelativistic heavy-ion collisions. As this mass shift leads to spontaneous creation of quark-antiquark pairs and thus contributes to the formation of the quark-gluon plasma, our investigations are relevant in the context of finite-lifetime effects...