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

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<ul><li><p>Searching for possible hidden chambers in the Pyramid of the SunICRC-2007, Mrida </p></li><li><p>Pyramid of the Sun</p></li><li><p>Archeological problem- Three man-made tunnels (1920-50): no internal structure. - Radn (1997) measurements: no large cavities (?)- Moon Pyramide (+2002 results): Internal structure and large tumb!</p></li><li><p>Alvarez experimentGiza</p></li><li><p>Muon attenuation methodSensitivityResolutionMeasurement vs. simulation</p></li><li><p>Simulation uncertaintiesAereal level diagramDigitalizationExternal shape</p></li><li><p>Internal density</p></li><li><p>GEANT-4 simulationHypotheticalchamberSmith TunnelSBD method</p></li><li><p>ProjectionsSmith Tunnel</p></li><li><p>Components:- Scintillators- Multiwire PCs- WFD readout- TelemetryDetector design</p></li><li><p>Laboratory tests</p></li><li><p>WFD readout</p></li><li><p>On-site workElectricityEntrance limitationLaboratory</p></li><li><p>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 MWPCs - Wireless communications - Laboratory tests of ensemble - Experiment </p></li><li><p>Participants</p><p>Physics InstituteResearchersRubn Alfaro M.Ernesto Belmont M.Varlen GrabskiArnulfo Martnez D.Arturo Menchaca R.Matas Moreno Y. Andrs SandovalTechnicianMario RangelStudentsEmilio Arrieta G.Ana Delia BecerrilAzucena CervantesJuan Manuel LpezRoberto Nez C.Rmy RecheEsteban RodrguezEdgar Vzquez </p><p>Anthropology Institute ResearchersLinda Manzanilla N.Luis Barba P.Economic supportDGAPA-UNAMCONACYT</p></li></ul>

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