fragmentation functions from pQCD approach and the Suzuki model

M Delpasand, SM Moosavi Nejad, M Soleymaninia - Physical Review D, 2020 - APS
Through data analysis, we present new sets of nonperturbative fragmentation functions
(FFs) for Λ c+ baryon both at leading and next-to-leading order and, for the first time, at next …

Proton fragmentation functions considering finite-mass corrections

SM Moosavi Nejad, M Soleymaninia… - The European Physical …, 2016 - Springer
We present new sets of proton fragmentation functions (FFs) describing the production of
protons from the gluon and each of the quarks, obtained by the NLO QCD fits to all relevant …

Ground state fully heavy pentaquark production in the pair annihilation process

R Farashaeian, SMM Nejad - The European Physical Journal A, 2024 - Springer
Understanding the production mechanism of exotic hadrons with the structures beyond
naive parton model can be helpful to find out their inner configuration and also to check the …

Ground state heavy tetraquark production in heavy quark fragmentation

SM Moosavi Nejad, N Amiri - Physical Review D, 2022 - APS
During recent years, the study of exotic hadrons including tetraquarks and pentaquarks has
attracted a lot of interest, and more studies are in progress experimentally and theoretically …

Determination of meson fragmentation functions through two different approaches

M Salajegheh, SMM Nejad, M Delpasand - Physical Review D, 2019 - APS
The hadronization mechanism is described by the fragmentation functions (FFs) which are
universal and process-independent quantities. They can be generally determined …

Heavy-quark fragmentation functions at next-to-leading perturbative QCD

SM Moosavi Nejad, P Sartipi Yarahmadi - The European Physical Journal …, 2016 - Springer
It is well known that the dominant mechanism to produce hadronic bound states with large
transverse momentum is fragmentation. This mechanism is described by the fragmentation …

S-wave heavy pentaquark production in direct fragmentation of heavy quark

SMM Nejad, R Farashahian - Physica Scripta, 2023 - iopscience.iop.org
Study of exotic hadrons with configurations beyond the naive quark model has attracted a lot
of interests in recent years. Due to their complicated configuration many theoretical models …

Polarized heavy baryon production in quark-diquark model considering two different scenarios

SM Moosavi Nejad, M Delpasand - The European Physical Journal A, 2017 - Springer
At sufficiently large transverse momentum, the dominant production mechanism for heavy
baryons is actually the fragmentation. In this work, we first study the direct fragmentation of a …

The impact of Fermi motion on the heavy quarkonia fragmentation using the light-cone wave function

SM Moosavi Nejad - The European Physical Journal Plus, 2018 - Springer
Fragmentation is the dominant mechanism for heavy quarkonia production with large
transverse momentum. The study of heavy quarkonium production is a powerful tool to …

Fragmentation production of S-wave heavy pentaquark in diquark model

R Farashaeian, SM Moosavi Nejad - The European Physical Journal A, 2024 - Springer
Exotic hadrons are new observed states with the structures beyond a quark-antiquark pair
(for mesons) or three quarks (for baryons). Among them, fully heavy tetra-and pentaquarks …