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21 December 200421 December 2004 11NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten
““I have really discovered how I have really discovered how beautiful science physics is and I beautiful science physics is and I have enjoyed every second of it”have enjoyed every second of it”
Andreas Pantelis H5CAndreas Pantelis H5C
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 22
What is HiSPARC?What is HiSPARC?
1.1. An experiment to detect high An experiment to detect high energy cosmic particles and to energy cosmic particles and to study their origin.study their origin.
2.2. A project to show high schools A project to show high schools students a realistic picture of the students a realistic picture of the work at scientific institutes, to work at scientific institutes, to stimulate the choice for a scientific stimulate the choice for a scientific study. study.
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 33
Air showers…Air showers…
(Figure from Nagano en Watson, (Figure from Nagano en Watson, Rev. Mod. Phys. 72, 689 (2000)).Rev. Mod. Phys. 72, 689 (2000)).
Air showers: highestAir showers: highestenergies occur rarelyenergies occur rarely(e.g. 1 event per 100(e.g. 1 event per 100
square kilometer per year)square kilometer per year)
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 44
To detect cosmic To detect cosmic showers, a network showers, a network
of detectors is of detectors is made…made…
GPS
……air shower detectionair shower detection
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 55
…build and managed by build and managed by high-school studentshigh-school students
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 66
• 5 clusters5 clusters• ~30 schools ~30 schools
actively involved, actively involved, ~ 10 in pipeline~ 10 in pipeline
• More than 150 More than 150 students and 50 students and 50 teachersteachers
• Physics students!Physics students!
StatusStatus
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 77
““I had 4 unmotivated pupils. They participated I had 4 unmotivated pupils. They participated in HiSPARC and now they are my most in HiSPARC and now they are my most enthusiastic students”enthusiastic students”
F. Lapoutre, Science teacherF. Lapoutre, Science teacher
TeachersTeachers
““This cooperation is just what is needed to show This cooperation is just what is needed to show pupils at High School what Science is all about”pupils at High School what Science is all about”
B. Vrijdaghs, Science teacherB. Vrijdaghs, Science teacher
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 88
• Development of Development of educational materialseducational materials(e.g. A. de Leeuw)(e.g. A. de Leeuw)
• Electronic learning Electronic learning environmentenvironment(J. Colle and F. Hidde)(J. Colle and F. Hidde)
• Analysis, Analysis, profielwerkstukkenprofielwerkstukken
• Teacher networkTeacher network
Teacher involvementTeacher involvement
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 99
Highlights 2004Highlights 2004
• 22 new detector stations22 new detector stations• 2 new LIO’s in Amsterdam2 new LIO’s in Amsterdam• First national teachers workshopFirst national teachers workshop• Altran Foundation Award 2004 Altran Foundation Award 2004 • Support from ‘Deltapunt’ for the Support from ‘Deltapunt’ for the
development of a HiSPARC educational development of a HiSPARC educational module (90 k€)module (90 k€)
• Support from OC&W for ‘Innovation at High Support from OC&W for ‘Innovation at High Schools’ (233 k€)Schools’ (233 k€)
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1010
High school student activitiesHigh school student activities• In Nijmegen: building and analysisIn Nijmegen: building and analysis• In other clusters: mainly building the detectorIn other clusters: mainly building the detector
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1111
The HiSPARC DetectorThe HiSPARC Detector
Taken from Utrecht “profielwerkstuk”Taken from Utrecht “profielwerkstuk”(Pieter de Goeje, Veerle Bodewes, Brend (Pieter de Goeje, Veerle Bodewes, Brend
Wanders)Wanders)
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1212
““Profielwerkstukken”Profielwerkstukken”
• about 150 studentsabout 150 students– building detectorbuilding detector
• muons, cosmic rays, showers, scintillation, muons, cosmic rays, showers, scintillation, photo-electric effect, special relativityphoto-electric effect, special relativity
• oscilloscope, impedance matching, fast oscilloscope, impedance matching, fast electronicselectronics
• mechanics, grinding, polishing, gluing etc.mechanics, grinding, polishing, gluing etc.• calibrations, excel, statisticscalibrations, excel, statistics
– HiSPARC web sitesHiSPARC web sites– software developmentsoftware development– GPS positioningGPS positioning– data analysisdata analysis– promotion videos etc.promotion videos etc.
• 2005: Review committee2005: Review committee and HiSPARC journal and HiSPARC journal
students calibrating a scintillator platestudents calibrating a scintillator plate
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1313
HiSPARC DAQHiSPARC DAQ
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1414
pulshoogte
1
10
100
1000
10000
0 50 100 150 200
pulshoogte [mV]
aan
tal
Data retrievalData retrieval
• Data : retrievable via Data : retrievable via websitewebsite
• MySql databaseMySql database
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1515
• Rate dependence on weatherRate dependence on weather(F. Hidde, Herman Wesselink College)(F. Hidde, Herman Wesselink College)– thunderstorm on Nov. 26 over Amsterdamthunderstorm on Nov. 26 over Amsterdam
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1616
ElectronicsElectronics
• Much effort NIKHEF ETMuch effort NIKHEF ET– 35 produced 35 produced
• Not suited for mass- Not suited for mass- productionproduction
• Improved design from Improved design from AltranAltran– Rob Derlage (Altran)Rob Derlage (Altran)– analog part: NIKHEFanalog part: NIKHEF
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1717
Altran designAltran design
IF
IF ADC 1A12-bit
210 MSPS
ADC 1B12-bit
210 MSPS
IF ADC 2A12-bit
210 MSPS
ADC 2B12-bit
210 MSPS
Integrator Control DAC
GPS Receiver Module
GPS Antenna
Sci
ntill
ator
IS
cint
illat
or I
I
Photo Multiplier Control DAC
12V PSPhoto Multiplier
To Photo Multipliers I and II
Central Processing Unit
(FPGA)
OCXO(Clock Generator)
Status Indicators
Clock Skew and PLL
Master BUS
SLAVE BUS
USB Interface
EEPROM(Settings)
JTAG Interface
Trigger I/O
Sci
ntill
ator
III
IF
Sci
ntil
lato
r IV
Optional
• usb interfaceusb interface• integrated ADC’s – 440 integrated ADC’s – 440
MHz samplingMHz sampling• integrated GPS timingintegrated GPS timing• fully programmable logic fully programmable logic
and settingsand settings• up to 4 channelsup to 4 channels• scaler readout, etc.scaler readout, etc.• cost reduction, factor cost reduction, factor
3 !3 !
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1818
Press CoveragePress Coverage• many (~50) news-many (~50) news-
paper articlespaper articles– including 3 in including 3 in
‘Volkskrant’ and ‘Volkskrant’ and 1 in ‘NRC’1 in ‘NRC’
– Natuur, Natuur, Wetenschap Wetenschap and Techniekand Techniek
– IntermediairIntermediair• national radionational radio• RTV NHRTV NH• article in Naturearticle in Nature
– June 17, 2004 June 17, 2004 vol. 6993vol. 6993
• first scientific first scientific results in NtvNresults in NtvN (NAHSA(NAHSA))
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 1919
Outlook:Outlook:
• ““Ready to grow” (Altran)Ready to grow” (Altran)– ElectronicsElectronics– Data warehousingData warehousing– OrganisationOrganisation– FundingFunding
• Expansion to other fieldsExpansion to other fields– MeteoKids and KennislinkMeteoKids and Kennislink– Lofar@school (Nijmegen started)Lofar@school (Nijmegen started)– Virtual School Lab (GRID and COACH)Virtual School Lab (GRID and COACH)– www.geluids.net
• International workshop (March 2005) at NIKHEFInternational workshop (March 2005) at NIKHEF
21 December 200421 December 2004 NIKHEF jaarvergadering, Ilka Tánczos & Henk Jan BultenNIKHEF jaarvergadering, Ilka Tánczos & Henk Jan Bulten 2020
……and…and…
HiSPARC goes toAfrica
Sudan!Sudan!