LAGO project, status · • Escuela Politécnica Nacional • Universidad de San Francisco de Quito...
Transcript of LAGO project, status · • Escuela Politécnica Nacional • Universidad de San Francisco de Quito...
LAGO project, status
Ibrahim Torres INAOE, México
Astroparticle Physics Yachay, 2016
Overview
• LAGO project
• The LAGO detectors and sites
• Conclusions
The Latin American Giant Observatory (LAGO) ProjectA very long baseline “array” of water Cherenkov detectors (WCD)
• 87 members from 26 institutions, 10 countries
• Scientifics goals:
• Study High Gamma events at high altitude sites
• Transient and long term Space Weather phenomena trough Solar modulation of CR
• Measurement of background radiation at ground levels at different rigidity, continental level
• Academic goals:
• Train Latin American students in Astroparticle physics
• Build a Latin-America network of Astroparticle researches
LAGO Sites• Network goes from
México to Patagonia (Bariloche)
• One station will be installed at Marambio Base (200 m.a.s.l), Antarctic
• Sites similar longitudes but different latitudes and altitudes (different rigidity cutoff)
• All based on WCD
• Placed at remote places and no infrastructure, every node would be autonomous
• Every node have other sensors and comercial GPS
• To increase electromagnetic-muon separation at single pulse level in high altitude sites, a method based on the total charge and pulse rise time analysis is also implemented
• Improving the search for possible GRB candidates
• PMT + Digitizer board (own design)
• FPGA + raspberry:
• control
• DAQ
• remote access
• Signal digitizers: 10 bits @ 40 MSps FADC (Arg), 14 bits @ 100 MSps FADC (Mex)
• Consumption <= 9 W
Site Status
Ecuador• 3 Universities
• Quito:
• Escuela Politécnica Nacional
• Universidad de San Francisco de Quito
• Escuela Superior Politécnica de Chimborazo
InvestigadoresPrincipalesNicolásVásquezPhDEPN
AliciaCarabalíEPNMarioAudeloMsCESPOCHEdgarCarreraPhDUSFQ
AsistentesdeInvestigación
StephanyVargasEPN
JuanPabloSemananteEPN
AndreaCorreaEPN
AndrésDelgadoEPN
PabloRivadeneiraEPN
KleverVicenteEPN
MarcusBecerraESPOCH
RaquelQuishpeUSFQ
MarcoRamosUSFQ
JoanMendozaUSFQ
TANCA
Lab
StateUniversityofCampinas
Campinas,SP,Brazil22º54’S,47º03N640metersa.s.l.
TANCAisanicknamefortheTAnkdetectorofCAmpinas
TheTANCAatUnicamp
CAMAC/NIMmodules• LeCroyScaler2551(100MHz)• LogicUnitCAEN• DiscriminatorCAEN• DualGateGeneratorLeCroy• DACCAEN
5and60minaverages
ForbusheventJune2015
• Guatemala:
• 2 full detectors using Nexys 2 electronics
• Peru: two WCD at Lima
• Colombia: Pasto and Bucaramanga
• Bolivia:
• La paz:One prototype, testing, comparing with MC, problems with Nexys
• Chacaltaya: re-deploy detectors
• Argentina:
• Buenos Aires one 750 lts, problems with electronics, deploying one 2000 lts
México
Conclusions• Several detectors are being deployed along LA
• Still dealing with non-homogenous DAQ board
• Moving to comercial board
• Full simulation chain: from primary to detectors signals in process
• Continuos data from all the sites is demanding