Searching for possible hidden chambers in the Pyramid of the Sun ICRC-2007, Mérida.

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Presentation transcript:

Searching for possible hidden chambers in the Pyramid of the Sun ICRC-2007, Mérida

Pyramid of the Sun

Archeological problem - Three man-made tunnels ( ): 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 diagramDigitalization External shape

Internal density

GEANT-4 simulation Hypothetical chamber Smith Tunnel SBD method

Projections Smith Tunnel

Components: - Scintillators - Multiwire PC’s - WFD readout - Telemetry Detector design

Laboratory tests

WFD readout

On-site work Electricity 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 Institute Researchers Rubén Alfaro M. Ernesto Belmont M. Varlen Grabski Arnulfo Martínez D. Arturo Menchaca R. Matías Moreno Y. Andrés Sandoval Technician Mario Rangel Students Emilio Arrieta G. Ana Delia Becerril Azucena Cervantes Juan Manuel López Roberto Núñez C. Rémy Reche Esteban Rodríguez Edgar Vázquez Anthropology Institute Researchers Linda Manzanilla N. Luis Barba P. Economic support DGAPA-UNAM CONACYT