CMS Experiment

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

Front-layer CSC installation on YE+3 using chamber lifting fixture (in yellow) and overhead crane. CSC personnel is shown at the top (on cherry-picker) and the bottom.

Since March this year new layers of Muon chambers have been added to CMS on both YE3 endcap disks.

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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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LHC's first oxygen collisions – CMS spots signs of small-scale quark-gluon plasma

CMS scientists study the first-ever oxygen-oxygen collisions at the LHC, and observe signs of quarks and gluons losing energy when they travel through quark-gluon plasma – a state that existed just after the Big Bang.

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CMS at the Initial Stages 2025 conference

At the Initial Stages conference, CMS announces first brand new results based on the recent oxygen-oxygen and neon-neon collision data.

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Build a CMS detector at home!

Build your own CMS detector at home!

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When light turns into weak heavy bosons

Turning the LHC into a photon collider, the CMS experiment observes for the first time how two photons fuse and convert into two W bosons. Stringent limits are set on parameters that would describe possible deviations from the standard model.