Background: Jet

produced by initial quantum chromodynamics QCD hard scatterings

is one of the important probes to study the properties of strongly-interacting matter because it interacts with the QCD medium and loses its energy when it passes through the QCD medium. Purpose: To understand the mechanism of jet quenching

a complementary study on fully reconstructed jet is essential. Methods: In this work

a multiphase transport model is utilized to study the dijet asymmetry

jet fragmentation function and jet shape. Results: The A Multi-Phase Transport model (AMPT) simulation results can basically describe the experimental data. Jet loses energy significantly for strong interactions between jets and partonic matter. Conclusion: Final dijet asymmetry is driven by both initial dijet asymmetry and partonic jet energy loss. Jet fragmentation function can be decomposed into fragmentation and coalescence parts. Compared with leading jet

the subleading jet shows a larger medium modification for its shapes

especially in central Pb+Pb collisions with a larger dijet asymmetry. Abstract