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High Energy Physics Seminars

ics Joint HEP-Nuclear Seminar
Wednesday, October 16, 2013
3:30 PM
Physics Building, Room 204
Anthony Palladino [Host: Dinko Pocanic]
INFN Frascati, Italy
"Recent results from the KLOE/KLOE-2 experiment"
 
 Slideshow (PDF)
ABSTRACT:
Analysis of KLOE data collected during the period 2001-2005 (integrated luminosity ∼2 fb−1 continues to provide interesting physics results. A recently published upper limit on the branching ratio of the pure CP violating process BR(KS → 3π0) < 2.6 × 10−8 is an order of magnitude larger than predictions based on the Standard Model. A search for CPT and Lorentz symmetry violation with φ → KS KL → π+ππ+π has allowed an independent measurement of all four CPT violating parameters, Δaμ, appearing for neutral kaons in the Standard-Model Extension framework. The measurement of the e+e → π+π(γ) cross section below 1 GeV provides important limits on the hadronic contribution to the Standard Model calculation of the g−2 of the muon, where a long standing 3σ discrepancy is observed. Additionally, KLOE is searching for a dark U boson in the processes φ → η e+e and e+e → μ+μγ. The KLOE-2 experiment is ready to begin taking data this fall.
SLIDESHOW:

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