Tagging High Energy Photons in the H1 Detector at HERA


Andreev, VF, Belousov, AS, Fomenko, AM, Gorbov, LA, Greenshaw, T ORCID: 0000-0003-1897-5810, Malinovski, EI, Maxfield, SJ ORCID: 0000-0002-2133-1269, Semenov, AV, Sheviakov, IP, Smirnov, PA et al (show 2 more authors) (1998) Tagging High Energy Photons in the H1 Detector at HERA. Phys.Rev.Lett..

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Abstract

Measures taken to extend the acceptance of the H1 detector at HERA for photoproduction events are described. These will enable the measurement of electrons scattered in events in the high y range 0.85 < y < 0.95 in the 1998 and 1999 HERA run period. The improvement is achieved by the installation of an electromagnetic calorimeter, the ET8, in the HERA tunnel close to the electron beam line 8 m downstream of the H1 interaction point in the electron direction. The ET8 will allow the study of tagged gamma p interactions at centre-of-mass energies significantly higher than those previously attainable. The calorimeter design and expected performance are discussed, as are results obtained using a prototype placed as close as possible to the position of the ET8 during the 1996 and 1997 HERA running.

Item Type: Article
Additional Information: 13 pages, 13 figures
Uncontrolled Keywords: hep-ex, hep-ex
Depositing User: Symplectic Admin
Date Deposited: 19 Oct 2017 09:58
Last Modified: 19 Jan 2023 06:52
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3010430
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