[Prex] [EXTERNAL] Abstract for DIS2022

[Weibin Zhang]

Dear collaborators:

Please see below my abstract for DIS2022 and comment on it, thank you.

The sister experiments PREX-II and CREX measured the asymmetry between
cross sections of electrons with opposite longitudinal helicities scattered
from neutron rich targets: Pb208 and Ca40, from wich we can derive the
corresponding weak charge radius and therefore their neutron skin
thickness. By careful systematic uncertainty control, we achieved a very
precise measurement of the neutron skin thickness for Pb208 (Ca40). In this
presentation, I will introduce to you these 2 experiments and report the
result from them.


Best regards,
Weibin
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