الإتاحة: https://doi.org/10.1103/PhysRevD.95.112005Testhttps://doi.org/10.3204/PUBDB-2017-11932Testhttps://bib-pubdb1.desy.de/record/395085Testhttps://bib-pubdb1.desy.de/search?p=id:%22PUBDB-2017-11932%22Test
الإتاحة: https://doi.org/10.3204/PUBDB-2017-11930Testhttps://bib-pubdb1.desy.de/record/395083Testhttps://bib-pubdb1.desy.de/search?p=id:%22PUBDB-2017-11930%22Test