Ultrahigh-energy pulsed emission from Hercules X-1 with anomalous air-shower muon production.
BL
Dingus
DE
Alexandreas
RC
Allen
RL
Burman
KB
Butterfield
R
Cady
CY
Chang
RW
Ellsworth
JA
Goodman
SK
Gupta
TJ
Haines
DA
Krakauer
J
Lloyd-Evans
DE
Nagle
M
Potter
VD
Sandberg
RL
Talaga
CA
Wilkinson
GB
Yodh