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EVIDENCE FOR ANOMALOUS PROMPT PHOTONS IN DEEP INELASTIC MUON SCATTERING AT 200-GEV

Abstract:
The inclusive yield of photons has been measured from deep inelastic interactions of 200 GeV muons on hydrogen. After subtracting the contributions from hadron electromagnetic decays and Bethe-Heitler muon bremsstrahlung, residual photons are observed at low pT and low z at a mean level of 0.15±0.06 per interaction. The quark Compton scattering process is unable to explain the data, thus indicating an anomalous photon production. © 1989.
Publication status:
Published

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Publisher copy:
10.1016/0370-2693(89)91428-7

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Journal:
Physics Letters B More from this journal
Volume:
218
Issue:
2
Pages:
248-256
Publication date:
1989-02-16
DOI:
ISSN:
0370-2693


Language:
English
Pubs id:
pubs:30410
UUID:
uuid:bd9ff4bb-7a85-42d7-8e46-f7c072cd8fbe
Local pid:
pubs:30410
Source identifiers:
30410
Deposit date:
2012-12-19

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