@ValidateLarchPlugin
def core_width(element=None, edge=None, _larch=None):
    xdb = get_xraydb(_larch)
    return xdb.corehole_width(element=element, edge=edge)
returns core hole width for an element and edge
dataset/ETHPy150Open xraypy/xraylarch/plugins/xray/xraydb_plugin.py/core_width