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Article overview
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Production of the bottomonium-like states $Z_b$ states at $e$-$h$ and ultraperipheral $h$-$h$ collisions | | Xiao-Yun Wang
; Wei Kou
; Qing-Yong Lin
; Ya-Ping Xie
; Xurong Chen
; Alexey Guskov
; | | Date: |
12 Sep 2020 | | Abstract: | The photoproduction of bottomonium-like states $Z_{b}(10610)$ and $%
Z_{b}(10650)$ via $gamma p$ scatterings is studied within an effective
Lagrangian approach and the vector-meson-dominance model. The Regge model is
employed to calculate the photoproduction of $Z_{b}$ state via $t$-channel with
$pi$ exchange. The numerical results show that the values of total cross
section of $Z_{b}(10610)$ and $Z_{b}(10650)$ can reach 0.14 nb and 0.038 nb,
respectively, near the center of mass energy of 22GeV. The experimental
measurements and studies on the photoproduction of $Z_{b}$ state near energy
region around $Wsimeq 22$ GeV are suggested. Moreover, with the help of
eSTARlight and STARlight program, one obtain the cross sections and event
numbers of $Z_{b}(10610)$ production in electron-ion collisions (EIC) and
Ultraperipheral collisions (UPCs). The results show that a considerable number
of events from $Z_{b}(10610)$ can be produced on the relevant experiment of
EICs and UPCs. In addition, one calculate the rates and kinematic distributions
for $gamma p
ightarrow Z_{b}n$ in $ep$ and $pA$ collisions via EICs and UPCs,
and the relevant results will provide an important reference for the RHIC, LHC,
EIC-US, LHeC and FCC experiments to search for the bottomonium-like $Z_{b}$
state. | | Source: | arXiv, 2009.05789 | | Services: | Forum | Review | PDF | Favorites | |
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