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EnglishA search for large extra spatial dimensions via virtual-graviton exchange in the diphoton channel has been carried out with the CMS detector at the LHC. No excess of events above the standard model expectations is found using a data sample collected in proton-proton collisions at root s = 7TeV and corresponding to an integrated luminosity of 36 pb(-1). New lower limits on the effective Planck scale in the range of 1.6-2.3TeV at the 95 confidence level are set, providing the most restrictive bounds to date on models with more than two large extra dimensions.
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| Titolo: | Search for large extra dimensions in the diphoton final state at the Large Hadron Collider |
| Autori: | |
| Data di pubblicazione: | 2011 |
| Rivista: | |
| Abstract: | A search for large extra spatial dimensions via virtual-graviton exchange in the diphoton channel has been carried out with the CMS detector at the LHC. No excess of events above the standard model expectations is found using a data sample collected in proton-proton collisions at root s = 7TeV and corresponding to an integrated luminosity of 36 pb(-1). New lower limits on the effective Planck scale in the range of 1.6-2.3TeV at the 95 confidence level are set, providing the most restrictive bounds to date on models with more than two large extra dimensions. |
| Handle: | http://hdl.handle.net/11586/144248 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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