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Content archived on 2022-12-23

PION and KAON Detection Upgrade of HERMES Spectrometer

Objective



The main objectives of the proposed project are construction of a dual radiator ring imaging Cherenkov detector and DVC's for HERMES experiment at HERA ring at DESY, for measuring the pion, kaon, and nucleon semi-inclusive spin asymmetries.
For polarized lepton-nucleon scattering, if hadrons can be unambiguously identified, the resulting data can be used to tag leading hadrons, thereby providing a means of direct study of the flavor dependence of polarized structure functions and of the sea polarization. Clearly, reliable hadron identification is crucial, if HERMES is to fully exploit its scientific opportunities.
The research activities will include investigation, design and construction of the RICH detector's components, mainly the photon detector; creation of software for the detector; incorporation of this software into HERMES programmes; physics study of the HERMES data output, in particular clean measurement of open charm production by means of detection of the charmed meson decay, as an attractive option for probing processes involving gluons.
The main results of the project implementation will be a working RICH detector and measured values of the above mentioned physical parameters.
The work will be carried out in co-operation with other research teams, working for HERMES

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Programme(s)

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Call for proposal

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Funding Scheme

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Coordinator

Istituto Nazionale di Fisica Nucleare
EU contribution
No data
Address
via E.Fermi, 40
00044 Frascati
Italy

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Total cost

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Participants (3)

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