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02-2-1034-2001/2002   Priority:
Status: 		1
Extended

Hadron Production Studies for the Neutrino Factory
and for the Atmospheric Neutrino Flux
( HARP, PS 214)

Leaders:

S. Bunyatov
G. Chelkov

Scientific Programme:

It is proposed to carry out at the CERN PS a programme of measurements of secondary hadrons, over the full solid angle, produced on thin and thick nuclear targets by beams of protons and pions with momentum in the range 2 to 15 GeV/c.
The main motivation is twofold: to acquire adequate knowledge of pion yields for an optimal design of the recently proposed intense neutrino source based on muon decay in a muon storage ring (neutrino factory); and to improve substantially the calculation of the atmospheric neutrino flux which is needed for a refined interpretation of the evidence for neutrino oscillation from the study of atmospheric neutrinos in present and forthcoming experiments.
Additional motivations are: a measurement of the yield of low-momentum backward-going pions which could be used for a high-intensity stopped-muon source as a by-product of the neutrino factory; and a better precision of the fluxes in conventional neutrino beams such as at the KEK 12 GeV/c Proton Synchrotron, important for the K2K experiment, and at the low-energy (8 GeV/c) booster at Fermilab, used for the MiniBooNe experiment.

Expected main results in 2001:

List of Activities
  Activity or project SpokespersonsStatus
  HARP, PS214 S. Bunyatov
G. Chelkov 		Preparation
Data taking

Participating Institutes and Organizations

 
CERN
Belgium UCL ( Louvain-la-Neuve)
Bulgaria SU (Sofia)
France Univ. VI-VII (Paris)
Germany UNIDO (Dortmund)
Spain UV (Valencia)
Italy INFN (Bary, Legnaro, Milano, Napoli
Padova, Roma, Trieste, Univ. (Roma)
Russia INR (Moscow), SRC-IHEP (Protvino)
Switzerland UniGe (Geneve)
UK RAL (Didcot), Univ. (Oxford, Sheffield)
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