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