Page and line numbers are based on v3.0.3 with double column.


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Page 1, line 10:
"compelling rationale"
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"a compelling rationale"

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Page 1, line 62, 64:
"... inside a 3-m diameter, 5-m long superconducting.... A 3.1-m long drift chamber..."
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"... inside a superconducting.... A drift chamber..."

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Page 2, line 56:
"Uncertainties are dominated by the statistics of the MC sample"
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"Uncertainties are dominated by the statistics of the MC sample, but also
include the small differences between the measured response of the METMODEL to
MC simulation events and real data"

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Page 2, line 80:
"Similarly, we create a beam halo-enhanced sample."
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"Similarly, we create a beam halo-enhanced sample from events that were
filtered out from our signal sample by the beam halo rejection requirements."

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Page 2, line 81-85:
"We estimate the non-collision background events in the signal region using
the ratio of events outside the timing requirements to events inside the
signal region and using the measured efficiencies of the non-collision
rejection requirements [15]"
-->
"We estimate the non-collision background events in the signal region using
extrapolation techniques and the measured efficiencies of the non-collision
rejection requirements [15]"

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Page 3, line 19:
"Also, the high-ET diphotons with large HT from SM background are mostly
back-to-back with fake MET."
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"The SM backgrounds with fake MET and large HT also have photons which are
mostly back-to-back."

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Page 3, line 43:
"is well modeled" 
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"are well modeled"

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Ref.[10]:
A. Heister et al, (ALEPH Collaboration), Eur. Phys. J. C 25, 339 (2002)
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R. Barate et al, (ALEPH Collaboration), Eur, Phys. J. C 28, 1 (2003)

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Ref.[12]:
E. Lee, Ph.D. thesis, Texas A&M University, 2009.
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E. Lee, Ph.D. thesis, Texas A&M University, 2010.

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Ref.[15]:
T. Aaltonen et al (CDF Collaboration), to be submitted to Phys. Rev. D.
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T. Aaltonen et al (CDF Collaboration), submitted to Phys. Rev. D, arXiv:0910.5170.

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Ref.[23]:
T. Junk, Nucl. Instrum. Methods A 434, 435-443 (1999).
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T. Junk, Nucl. Instrum. Methods A 434, 435 (1999).