Yayınlanmış 1 Ocak 2012
| Sürüm v1
Dergi makalesi
Açık
Measurement of the production cross section for pairs of isolated photons in pp collisions at root s=7 TeV
Oluşturanlar
- 1. Yerevan Phys Inst, Yerevan, Armenia
- 2. Inst Hochenergiephys OeAW, Vienna, Austria
Açıklama
The integrated and differential cross sections for the production of pairs of isolated photons is measured in proton-proton collisions at a centre-of-mass energy of 7TeV with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 36 pb(-1) is analysed. A next-to-leading-order perturbative QCD calculation is compared to the measurements. A discrepancy is observed for regions of the phase space where the two photons have an azimuthal angle difference Delta phi less than or similar to 2.8 rad.
Dosyalar
bib-c46add54-585b-4dea-94e1-7f10b13517f2.txt
Dosyalar
(425 Bytes)
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