Searching for possible hidden chambers in the
Pyramid of the Sun
ICRC-2007, Mérida
Pyramid of the Sun
Archeological problem
- Three man-made tunnels (1920-50): no internal structure.
- Radón (1997) measurements: no large cavities (?)
- Moon Pyramide (+2002 results): Internal structure and large tumb!
Alvarez experiment
Giza
Muon attenuation method
Sensitivity
Resolution
Measurement vs. simulation
Simulation uncertainties
Aereal level diagram Digitalization
External shape
Internal density
GEANT-4 simulation
Hypotheticalchamber
Smith Tunnel
SBD method
Projections
Smith Tunnel
Components:- Scintillators- Multiwire PC’s- WFD readout- Telemetry
Detector design
Laboratory tests
WFD readout
On-site workElectricity
Entrance limitation
Laboratory
Current status
- GEANT-4 simulations - Electrical power cabling (~1 km) - Detector shack and ventilation system (controlled
humidity and temperature)
- Commissioning of scintillation detectors - Commissioning of individual MWPC’s - Wireless communications - Laboratory tests of ensemble - Experiment
Participants
Physics InstituteResearchersRubén Alfaro M.Ernesto Belmont M.Varlen GrabskiArnulfo Martínez D.Arturo Menchaca R.Matías Moreno Y. Andrés SandovalTechnicianMario RangelStudentsEmilio Arrieta G.Ana Delia BecerrilAzucena CervantesJuan Manuel LópezRoberto Núñez C.Rémy RecheEsteban RodríguezEdgar Vázquez
Anthropology Institute ResearchersLinda Manzanilla N.Luis Barba P.Economic supportDGAPA-UNAMCONACYT
