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  <organization>ICN-UNAM</organization>
  <emailHash>1482bc95ee34f0461176da21871284c8</emailHash>
  <userid>3</userid>
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<supportEmail caption="Support">icrc2007@icrc2007.unam.mx</supportEmail>
<title>30th International Cosmic Ray Conference</title>
<description>The 30th International Cosmic Ray Conference will be held from July 3, 2007 to July 11, 2007 in Merida, Yucatan, Mexico.</description>
<participants></participants>
<closed>True</closed>
<location>
 <name>Merida, Mexico</name>
 <address></address>
 <room></room>
</location>
<startDate>2007-07-03T08:00:00</startDate>
<endDate>2007-07-11T19:00:00</endDate>
<creationDate>2005-09-26T05:04:53</creationDate>
<modificationDate>2024-04-12T17:46:55</modificationDate>
<timezone>Mexico/General</timezone>
<chair>
 <user>
  <title>Dr.</title>
  <name first="José" middle="" last="Valdés"></name>
  <organization>IGeof-UNAM</organization>
  <emailHash>40af9343b8bb9d18708b4f0252d5f53c</emailHash>
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 <board>080 (4B)</board>
 <track>HE.1.6</track>
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  <name>Poster</name>
 </type>
 <title>Comprison of hybrid and monte carlo shower generators on an event by event basis.</title>
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   <title>Mr.</title>
   <name first="Jeff" middle="" last="Allen"></name>
   <organization>New York University</organization>
   <emailHash>fa51bce2f407dde45ea8c42313bfc76f</emailHash>
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   <title>Mr.</title>
   <name first="Jeff" middle="" last="Allen"></name>
   <organization>New York University</organization>
   <emailHash>fa51bce2f407dde45ea8c42313bfc76f</emailHash>
  </user>
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   <title>Prof.</title>
   <name first="Glennys" middle="" last="Farrar"></name>
   <organization>New York University</organization>
   <emailHash>9a618b700277d4e200ddc38d9a7020c1</emailHash>
  </user>
  <user>
   <title>Dr.</title>
   <name first="Hans-Joachim" middle="" last="Drescher"></name>
   <organization>Johann Wolfgang Goethe Universitaet</organization>
   <emailHash>3f3d4667f5117f7e6ddc0a48a1e74fb2</emailHash>
  </user>
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 <location>
  <name>Merida, Mexico</name>
  <address></address>
  <room>Regency (Hyatt)</room>
 </location>
 <startDate>2007-07-06T14:45:00</startDate>
 <endDate>2007-07-06T14:45:00</endDate>
 <abstract>SENECA is a hybrid air shower simulation written by H. Drescher that utilizes both
Monte Carlo simulation and cascade equations. By using the cascade equations only in
the high energy portion of the shower, where they are extremely accurate, SENECA is
able to utilize the advantages in speed from the cascade equations yet still produce
complete, three dimensional particle distributions at ground level. We present a
comparison, on an event by event basis, of SENECA and CORSIKA, a well trusted MC
simulation. By using the same first interaction in both SENECA and CORSIKA, the
effect of the cascade equations can be studied within a single shower, rather than
averages over many showers. Our study shows that for showers produced in this manner,
SENECA agrees with CORSIKA to a very high accuracy as to densities, energies, and
timing information for individual species of ground-level particles from both iron
and proton primaries with energies between 1EeV and 100EeV. Used properly, SENECA
produces ground particle distributions virtually indistinguishable from those of
CORSIKA in a fraction of the time. For example, for a shower induced by a 40 EeV
proton simulated with 10^-6 thinning, SENECA is 10 times faster than CORSIKA.</abstract>
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