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Search for microscopic black holes in pp collisions at sā=8 TeV
Baringer, Philip S. Bean, Alice Benelli, Gabriele Kenny, R. P., III Murray, Michael J. Noonan, Danny Sanders, Stephen J. Stringer, Robert W. Wood, Jeffrey Scott Chatrchyan, S.
Baringer, Philip S.
Bean, Alice
Benelli, Gabriele
Kenny, R. P., III
Murray, Michael J.
Noonan, Danny
Sanders, Stephen J.
Stringer, Robert W.
Wood, Jeffrey Scott
Chatrchyan, S.
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Abstract
A search for microscopic black holes and string balls is presented, based on a data sample of pp collisions at sā=8 TeV recorded by the CMS experiment at the Large Hadron Collider and corresponding to an integrated luminosity of 12 fb(ā1). No excess of events with energetic multiparticle final states, typical of black hole production or of similar new physics processes, is observed. Given the agreement of the observations with the expected standard model background, which is dominated by QCD multijet production, 95% confidence level limits are set on the production of semiclassical or quantum black holes, or of string balls, corresponding to the exclusions of masses below 4.3 to 6.2 TeV, depending on model assumptions. In addition, model-independent limits are set on new physics processes resulting in energetic multiparticle final states.
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This is the publisher's version, also available electronically from http://link.springer.com/article/10.1007%2FJHEP07%282013%29178.
Date
2013-07-29
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Springer Berlin Heidelberg
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S. Chatrchyan et al. (The CMS Collaboration). "Search for microscopic black holes in pp collisions at sā=8 TeV." Journal of High Energy Physics, 07(2013):178. http://www.dx.doi.org/10.1007/JHEP07(2013)178.