Tony Vaiciulis's PhD Thesis (1998)
Kensei Umemori's PhD Thesis (1999)

Sungwon Lee's PhD Thesis (2000)

Prompt Photon Candidates

Conferences Talks

P Saull
Prompt Photon Production and DVCS : TP
EPS99 Conf. (July 1999)

S W Lee
Prompt Photon Processes in Photoproduction at HERA : TP(webslider) Writeup
Photon99 Conf. (23-27 May 1999)

K Umemori
Photoproduction of Jets and Prompt Photons : TP
DIS99 Workshop (19-23 April 1999)

P J Bussey (10-13 Sep 1998)
Prompt photons, and prosects for gamma-gamma
Lund, Sweden: Workshop on photon interactions and photon structure

L Sinclair
Jets and Prompt Photons at HERA : Transparencies, Writeup Vancouver ICHEP98 Conference

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Conference Publication

ZEUS Collaboration; Prompt Photon Group
Prompt photon processes in photoproduction at HERA
ICHEP '98, Vancouver, July 23-29, 1998
Submitted to Parallel Sessions 3, 5
Submitted to Plenary Sessions 1, 5, 7, 23

Figure 1 2a 2b 3a 3b

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Another Experiments

CDF Photon Physics Group:

D0 Direct Photon Group:

FNAL Run II Workshop (Photons and Weak Bosons):

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OLD Plots (1996 + 1997 ZEUS Data)

ZEUS Collaboration Meeting TPs
Prompt Photons in Hard Photoproduction
Talked by Sungwon Lee (Oct 21, 1998)

Artist view of Inclusive

Direct process,and Resolved Process

Z_width, F_max for inclusive photon,

Cross section (Eta) :
Data vs MC, Data vs NLO

Cross section (Et) :
Data vs MC, Data vs NLO

Conferences Talks

P J Bussey (1995)
Photoproduction at ZEUS
XXIXth Rencontre de Moriond (ed J Tran Than Van) p289

P J Bussey (1995)
Prompt Photon vs Dijets
Photon95 (Sheffield, UK)

P J Bussey (1996)
Observation of Isolated High E_T photons in Hard Photoproduction at HERA
DIS96 (Rome, Italy)

Yuji Yamazaki (1996)
Jet Shapes, Jet Cross Sections and Prompt Photon Production at ZEUS
ICHEP'96 (Warsaw, Poland)

Robert Saunders (1997)
Photoproduction Jet Results
DIS 97 (Chicago, US)

Tony Vaiciulis (1997)
Observation of Isolated High Et Photons in Hard Photoproduction at HERA
Photon 97

Publication (1995 ZEUS Data)

ZEUS Collaboration; J.Breitweg et al.
Observation of Isolated High ET Photons in Photoproduction at HERA
DESY 97-146 (July 1997)
Physics Letters B 413 (1997) 201-216
PostScript, TeX version of the Paper.
Figure 1a, Figure 1b, Figure 1c, Figure 2, Figure 3a, Figure 3b, Figure 4a, Figure 4b

97-060 16/04/97 Observation of Isolated High-p_T Photons in Hard Photoproduction at HERA: Accompanying Notes.
P.J. Bussey, K. Tokushuku, K. Umemori, A. Vaiciulis
PostScript , TeX version of the Note.

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OLD Plots (1996 + 1997 ZEUS Data)

ZEUS Collaboration Meeting TPs
Prompt Photons in Hard Photoproduction
Talked by Sungwon Lee (Oct 21, 1998)

Artist view of photon + jet

Direct process,and Resolved Process

Z_width, F_max for photon + jet

Cross section (Eta) :
Data vs NLO, x_gamma

Cross section (Et) :
Data vs MC, Data vs NLO