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VO Id Card : calet.org   Update

  • 1 General Information
  • 2 Aknowledgement statement
  • 3 Resources

General information

Name calet.org
Status Production
Validation date 2014-03-27
Last change 2014-03-31
Discipline
  • Natural Sciences
    • Physical sciences
      • Astronomy global
      • Astrophysics global
      • Particle physics global
      • Physics global
      • Space science global
Enrollment Url https://vomsmania.cnaf.infn.it:8443/voms/calet.org/register/start.action
Homepage Url http://www3.unisi.it/fisica/dip/ric/space/calet/index.html
Support Procedure Url

Description

*** Description and Aims *** The CALorimetric Electron Telescope (CALET) is an astroparticle physics experiment currently under preparation to be launched, during the Japan Fiscal Year (April, 2014-March, 2015) time frame, to the International Space Station (ISS) for installation on the Japanese Experiment Module Exposure Facility (JEM-EF), where it will measure the cosmic-ray fluxes for five years. The internation collaboration is composed of about 100 scientists from several research institutions and universities in Japan, Italy and United States. The main scientific goal of CALET is to search for possible clues of the presence of astrophysical sources of high-energy electrons nearby the Earth or signatures of dark matter, by measuring accurately the electron spectrum up to several TeV. It will also investigate the mechanism of cosmic-ray acceleration and propagation in the Galaxy, by performing direct measurements of the energy spectra and elemental composition of cosmic-ray nuclei from hydrogen to iron up to several hundreds of TeV, and the abundance of trans-iron elements at few GeV/amu up to about Z=40. The CALET instrument consists of a module to identify the particle charge, followed by a thin imaging calorimeter (3 radiation lengths) with tungsten plates interleaving scintillating fiber planes, and a thick energy measuring calorimeter (27 radiation lengths) composed of lead tungstate logs. The calorimeter has the depth, imaging capabilities and energy resolution necessary for excellent separation between hadrons, electrons and gamma rays. *** Job requirements *** The job requirements of CALET software are modest. The CALET software is split into many packages. A typical analysis or simulation task involves 100 packages , generally. Besides collaboration custom application software, also external packages are being used, like ROOT, and the particle transport codes geant4, Fluka, and Epics. For analysis tasks, raw data and calibration files will be stored on CALET disks, for a total amount of about 5 TB per year. As far as computing power is concerned, a typical simulation task consists of 1000 jobs, each needing about 1GB memory, 100 CPU mins on a AMD Opteron 2.6 GHz processor, and writing 100 MB of output data. *** Available computing resources *** Initially only computing resources located in Italy will be used. At the moment we have 60 TB of disk space and 192 worker nodes (AMD Opteron 2.6 GHz processors) already installed and available at the INFN Institute in Pisa, and similar resources at the INFN Institutes in Florence and Rome-Tor Vergata. After initial tests, we plan to integrate also resources of american and japanese collaborators. That is the reason why we are asking for a global VO.

Acceptable Use Policy

text This Acceptable Use Policy applies to all members of CALET Virtual Organisation,
hereafter referred to as the VO, with reference to use of the EGI and LCG/EGEE infrastructure,
hereafter referred to as the Grid.
The VO manager owns and gives authority to this policy.
The goal of the VO is to simulate and analyze CALET data.
Members and Managers of the VO agree to be bound by the Grid Acceptable Usage Rules, VO Security Policy and other relevant Grid Policies, and to use the Grid only in the furtherance of the stated goal of the VO.

Acknowledgments Statement

No Acknowledgment Statement

Resources

Max used physical non-swap i386 memory size 1000
Max used physical non-swap x86_64 memory size 0
Max size of scratch space used by jobs 500000
Max time of job execution 200
Job wall clock time limit 0
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Cloud Resources

CPU Core
VM Ram
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