CMS Internal Newsletter, Apri 17, 2014
CMS news from the past two weeks:
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Installation and commissioning of the ME4/2 Cathode Strip Chamber
Since March this year new layers of Muon chambers have been added to CMS on both YE3 endcap disks.
Update from Physics Coordination (2014-04-17)
We have had three important events on the “Higgs front” in the past few days:
⁃ Our H→ττ paper (HIG-13-004) is now accepted for publication by JHEP
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Light mesons with a heavy impact
The CMS experiment reports the first observation of the rare decay of an eta meson to two muons and two electrons.
Pushing the limits: rare four-muon decays of B mesons
CMS sets the world’s most stringent limits on B⁰ and B⁰ₛ decays into four muons.
In search of new particles like the Higgs boson
Could there be more particles like the Higgs boson? For the first time, the CMS experiment has searched for the decay of the Higgs boson into two more Higgs-boson-like particles with unequal masses.
Out of the loop: CMS advances in the search for a rare Higgs boson decay
CMS pushes the sensitivity frontier towards a measurement of the rare Higgs boson decay into a Z boson and a photon
What's inside quarks? CMS looks deeper
CMS probes the inside of quarks down to distances of 10–20 m – smaller than ever before – searching for potential more fundamental building blocks within them.