Absolute Measurement of Air Fluorescence Yield for Ultra-High Energy Cosmic Rays Paolo Privitera Carlos Hojvat Fermilab, June 27 2008 FD SD.

Slides:

Advertisements

Similar presentations

J.N. Matthews, ICRR 2/2004 Fluorescence Efficiency Measured by FLASH at SLAC -Preliminary Results- J.N. Matthews for the FLASH Collaboration.

Advertisements

AGASA Results Max-Planck-Institut für Physik, München, Germany Masahiro Teshima for AGASA collaboration at 3 rd Int. Workshop on UHECR, Univ. Leeds.

Calibration for LHAASO_WFCTA Yong Zhang, LL Ma on behalf of the LHAASO collaboration 32 nd International Cosmic Ray Conference, Beijing 2011.

An update on the High Energy End of the Cosmic Ray spectra M. Ave.

The Pierre Auger Observatory Nicolás G. Busca Fermilab-University of Chicago FNAL User’s Meeting, May 2006.

FLASH FLuorescence in Air from SHowers (SLAC E-165) Pisin Chen SLAC Report to DOE HEP Review SLAC, June 2-4, 2004.

AGASA update M. Teshima ICRR, U of CfCP mini workshop Oct

Auger Fluorescence Detector

The Telescope Array Low Energy Extension (TALE)‏ Pierre Sokolsky University of Utah.

The TA Energy Scale Douglas Bergman Rutgers University Aspen UHECR Workshop April 2007.

Fluorescence from Air in Showers (FLASH) J. Belz 1, Z. Cao 2, P. Chen 3*, C. Field 3, P. Huentemeyer 2, W-Y. P. Hwang 4, R. Iverson 3, C.C.H. Jui 2, T.

FLASH FLuorescence in Air from SHowers (SLAC E-165) Pisin Chen SLAC Report to DOE HEP Review SLAC, June 15, 2005.

Solving the Mystery of the Ultra-High Energy Cosmic Rays The Pierre Auger Observatory Pablo Bauleo Physics Department Colorado State University Fort Collins.

First Analysis of the Auger APF Light Source Eli Visbal (Carnegie Mellon University) Advisor: Stefan Westerhoff.

The Highest Energy Cosmic Rays Two Large Air Shower Detectors

Systematics in the Pierre Auger Observatory Bruce Dawson University of Adelaide for the Pierre Auger Observatory Collaboration.

SPHERE PEG GAY FAIRBURY JR SR HIGH SCHOOL. PROJECT SPHERE  Cherenkov light: radiation which is emitted whenever charged particles pass through matter.

Antoine Letessier-SelvonBlois - 21/05/ Auger Collaboration Anisotropy of the Highest Energy Cosmic Rays 3.7 years of surface array data from the.

Fluorescence from Air in Showers (FLASH) J. Belz 1, Z. Cao 2, P. Chen 3*, C. Field 3, P. Huentemeyer 2, W-Y. P. Hwang 4, R. Iverson 3, C.C.H. Jui 2, T.

Ultra-High Energy Cosmic Ray Research with the Pierre Auger Observatory Methods, Results, What We Learn, and expansion to Colorado Bill Robinson.

Summary Where we are. Physics questions to be answered. Why Auger is a good investment for Fermilab and the US. Fermilab Auger Group proposal.

Presented for Arnulfo Zepeda On behalf of the Mexican Collaboration Sep PHYSICS AND ASTROPHYSICS OF ULTRA HIGH ENERGY COSMIC RAYS BUAP CINVESTAV.

18/05/06P. Nedelec - 4th Air Fluorescence Workshop Measurements of FLY with MACFLY.

E-165 (FLASH) Experiment Status Report Johnny S.T. Ng SLAC EPAC Meeting, Nov. 15, 2003.

Gwenaëlle LEFEUVRE APC-Collège de France, Paris, France paris7.fr.

The Experimental Program of the “FLASH” Experiment.

Measurement of the UHECR energy spectrum from hybrid data of the Pierre Auger Observatory Presenter: Lorenzo Perrone Università del Salento and INFN Lecce.

Effect of air fluorescence properties on the reconstructed energy of UHECR José Ramón Vázquez, María Monasor, Fernando Arqueros Universidad Complutense.

Nitrogen fluorescence in air for observing extensive air showers

F DOE Annual Program Review Pierre Auger Project (E881) Peter O. Mazur.

Telescope Array Experiment: Status and Prospects Pierre Sokolsky University of Utah.

Ultra High Energy Cosmic Rays -- Origin and Propagation of UHECRs -- M.Teshima Max-Planck-Institut f ü r Physik, M ü nchen Erice Summer School July

Humberto Salazar (FCFM-BUAP) for the Pierre Auger Collaboration, CTEQ- Fermilab School Lima, Peru, August 2012 Ultrahigh Cosmic Rays: The highest energy.

1 5-9 October th ICATPP, Como, Italy S. Maltezos NITROGEN MOLECULAR SPECTRA OF AIR FLUORESCENCE EMULATOR USING A LN 2 COOLED CCD S. Maltezos, E.

Paul Sommers Fermilab PAC Nov 12, 2009 Auger Science South and North.

Claudio Di Giulio University of Roma Tor Vergata, INFN of Roma Tor Vergata IDAPP 2D Meeting, Ferrara, May The origin and nature of cosmic rays above.

Energy Spectrum C. O. Escobar Pierre Auger Director’s Review December /15/2011Fermilab Director's Review1.

ICHEP `06, Moscow The Auger project – status and results G. Matthiae University and Sezione INFN of Roma “Tor Vergata” Study of the highest energy cosmic.

Networks ∙ Services ∙ People Enzo Capone (GÉANT) LHCOPN/ONE Meeting, LBL Berkeley (USA) LHCONE Application Pierre Auger Observatory 1-2 June.

VHEPU Mar-2005 P. N édélec - LAPP Air Fluorescence Light Yield Measurements Summary of the IWFM05 Workshop Thanks.

AGASA Results Masahiro Teshima for AGASA collaboration

Status of AIRFLY fluorescence yield measurements Paolo Privitera Università di Roma Tor Vergata, INFN Prague, May 19, 2006.

Ultra High Energy Cosmic Rays at Pierre Auger Observatory

P.Auger, a major step: Need high statistics large detection area : 2 x3000 km² Uniform sky coverage 2 sites located in each hemisphere Argentina and USA.

Nov Beam Catcher in KOPIO (H. Mikata Kaon mini worksyop1 Beam Catcher in the KOPIO experiment Hideki Morii (Kyoto Univ.) for the KOPIO.

Stefano Argirò 1 for the Auger Collaboration 1 University of Torino, Italy, and INFN Physics case The Auger Observatory Performance Preliminary Analysis.

Pierre AUGER Observatory Jan Ridky Institute of Physics AS CR For Pierre Auger collaboration.

Fluorescence Measurements at ANL and the Auger Experiment Motivation for Fluorescence Calibrations AIRFLY Fluorescence Experiment at ANL Auger Experiment.

1 João Espadanal, Patricia Gonçalves, Mário Pimenta Santiago de Compostela 3 rd IDPASC school Auger LIP Group 3D simulation Of Extensive Air.

The Auger Observatory for High-Energy Cosmic Rays G.Matthiae University of Roma II and INFN For the Pierre Auger Collaboration The physics case Pierre.

EUSO Atmospheric Monitoring from Space M.Teshima on behalf of the EUSO collaboration MPI für Physik, München (Werner-Heisenberg-Institut)

Status of the Pierre Auger Observatory Aaron S. Chou Fermilab Fermilab Users’ Meeting June 3, 2003.

A Cross Check of Atmospheric Attenuation for the High Resolution Fly’s Eye Astroparticle Experiment Chris Cannon Advisor: Lawrence Wiencke University of.

Measurement of the UHECR energy spectrum from hybrid data of the Pierre Auger Observatory Presenter: Lorenzo Perrone Università del Salento and INFN Lecce.

Geant4 Simulation of the Pierre Auger Fluorescence Detector

Z. Cao, H.H. He, J.L. Liu, M. Zha Y. Zhang The 2 nd workshop of air shower detection at high altitude.

1 UHE Cosmic Ray Flux: The Auger Results C. Di Giulio for the Pierre Auger Collaboration a)Università degli Studi di Roma Tor Vergata b)INFN Roma Tor Vergata.

September 16, 2005VI DOSAR – IFUSP/IFT – Philippe Gouffon Auger Project Computing Needs The Pierre Auger Observatory Auger data and processing Auger data.

AGASA Results Masahiro Teshima Max-Planck-Institut für Physik, München, Germany for AGASA collaboration.

L. CazónHadron-Hadron & Cosmic-Rays interactions at multi-TeV energies. Trento,2-Dez Results from the Pierre Auger Observatory L. Cazon, for the.

Bianca Keilhauer for the Pierre Auger Collaboration

Forschungszentrum Karlsruhe Erice, 7th July th International School for Cosmic Rays Astrophysics Motivation Energy Reconstruction Air Fluorescence.

Jim Matthews Louisiana State University Results from the Pierre Auger Observatory ECRS, Moscow, 4 July

A Measurement of the Ultra-High Energy Cosmic Ray Spectrum with the HiRes FADC Detector (HiRes-2) Andreas Zech (for the HiRes Collaboration) Rutgers University.

Anisotropy of the Highest Energy Cosmic Rays

Cosmic Rays at Extreme Energies The Pierre Auger Observatory

Pierre Auger Observatory Present and Future

30th International Cosmic Ray Conference

Absolute energy calibration of

Studies and results at Pierre Auger Observatory

Presentation transcript:

Absolute Measurement of Air Fluorescence Yield for Ultra-High Energy Cosmic Rays Paolo Privitera Carlos Hojvat Fermilab, June FD SD

Auger results Flux suppression Anisotropy < 75 Mpc Astrophysical interpretation GZK horizon

Auger Energy Calibration Lateral density distribution Fluorescence Detector Surface Detector The largest systematic uncertainty is the air fluorescence yield (15%) The Auger energy scale is based on the FD calorimetric energy. 10 km

The Auger hybrid detector concept nm light from de- excitation of atmospheric nitrogen (fluorescence light) ≈ 4 γ’s / m /electron eV e Light attenuation in the atmosphere; showers develop in 15 km Fluorescence spectrum Dependence on pressure, temperature and humidity Absolute yield 20 FD SD

AIRFLY measurements nm nm nm relative band intensities Temperature and humidity dependence Pressure dependence

Chemistry Division Van de Graaf (0.6-3 MeV) Advanced Photon Source (6-30 KeV) HEP Division Advanced Wakefield Accelerator (3 MeV-15 MeV) AIRFLY beams Beam Test Facility at DA  NE INFN FRASCATI ( MeV) ARGONNE ANL Collaboration: Cezch Republic, Germany, Italy, US

Chamber Gas system Vacuum pump Lead shielding support BTF (Frascati) Argonne Chemistry VdG

Absolute Fluorescence Yield at the Fermilab Meson Test Beam Goal: ≤ 5% uncertainty with the fluorescence/Cherenkov ratio method Photon Detector Particle beam Fluorescence photons Cherenkov photons Photon Detector Particle beam 45° mirror (a)(b) 337 nm filter Q.E uncertainty >10% Normalize to known yield: Q.E cancels Tested at Frascati and Argonne

Absolute Fluorescence Yield at the Fermilab Meson Test Beam Fluorescence/Cherenkov ratio method + independent laser calibration Low intensity: Integrating sphere, Ultra Bialkali PMTs (43% QE) Particle beam Photon Detector Integrating sphere Diffuser to be placed for Cherenkov run Cherenkov dump Acceptance counter Veto counter High energy (reduce multiple scattering, air as Cherenkov Radiatior) Well defined beam: single particle trigger and geometry Wide range of particles type and intensity

Collaborative Initiative Grant Crucial measurement for Auger (South and North); will have a strong impact in the Auger scientific results and in the UHECR field Use of Fermilab facility: Meson Test Beam University of Chicago and Fermilab have a long history of collaboration in Auger; Auger design Workshop held at Fermilab in 1995 Collaboration well matched for the success of the initiative P. Privitera (Chicago), C. Hojvat (Fermilab), H. Spinka (Argonne), AIRFLY collaborators Some hardware from AIRFLY Funds: 1 postdoc (100% FTE), hardware for new chamber 2 years proposal Tank n. 1600

Air fluorescence spectrum Argonne 3 MeV electron VdG, DC beam, 10 μA Spectrograph instead of monochromator: Insensitive to changes of beam intensity or position VdG Beam Spherical mirror Optical fiber L.O.T. Oriel MS257  = 0.1 nm Andor CCD DV 420

Chamber Gas system Vacuum pump Lead shielding support BTF (Frascati) HPD