In a seminar at CERN today the ATLAS and CMS experiments presented recent results on Higgs studies. The results built upon those already presented at the Moriond winter conference, with the experiments releasing combined spin measurements for the Higgs boson for the first time.
Krisztian Peters, presenting on behalf of the ATLAS experiment and Chiara Mariotti, presenting on behalf of the CMS experiment, both commented on the excellent performance of the LHC. A total dataset of approximately 25fb-1 was delivered to ATLAS over the first run, with CMS having around 23fb-1 with an average of 21 interactions per bunch crossing. This challenging environment saw both experiments dealing with pileup by constantly working on improving triggering, reconstruction and identification algorithms.
Neither experiment saw any evidence of new physics beyond the Standard Model Higgs but they made significant progress in making precise measurements of Higgs properties, notably spin.
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