We propose a forward method based on PYTHIA6.4 to study the jet properties in ultra-relativistic pp collisions. In the forward method, the partonic initial states are first generated with PYTHIA6.4 and then hadronized...We propose a forward method based on PYTHIA6.4 to study the jet properties in ultra-relativistic pp collisions. In the forward method, the partonic initial states are first generated with PYTHIA6.4 and then hadronized in the Lund string fragmentation model, and finally the hadronic jets are constructed from the created hadrons. Jet prop-√erties calculated with the forward method for pp collisions at s1/2=7 TeV are comparable to those calculated with the usual anti-kt algorithm（backward method） in PYTHIA6.4. The comparison between the backward and forward methods may contribute to the understanding of the partonic origin of jets in the backward method.展开更多
基金Supported by the National Natural Science Foundation of China(11477130,11775094)the 111 project of the foreign expert bureau of China+2 种基金the financial support from Suranaree University of Technology and the Office of the Higher Education Commission under the NRU project of Thailandthe financial support from Key Laboratory of Quark and Lepton Physics in Central China Normal University(QLPL201805)the Continuous Basic Scientific Research Project(WDJC-2019-13)
文摘We propose a forward method based on PYTHIA6.4 to study the jet properties in ultra-relativistic pp collisions. In the forward method, the partonic initial states are first generated with PYTHIA6.4 and then hadronized in the Lund string fragmentation model, and finally the hadronic jets are constructed from the created hadrons. Jet prop-√erties calculated with the forward method for pp collisions at s1/2=7 TeV are comparable to those calculated with the usual anti-kt algorithm（backward method） in PYTHIA6.4. The comparison between the backward and forward methods may contribute to the understanding of the partonic origin of jets in the backward method.
