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My internship at CERN, an unforgettable experience

Mihir with the RPC model he built.

Mihir Khanna, from the Dhirubhai Ambani International School in Mumbai, India, was one of hundreds of high-school interns who come to CERN each year. He recounts his once-in-a-lifetime experience below.

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Recent results on SUSY searches from CMS

Image 1: Range of stop and neutralino masses probed by the search for direct stop pair-production in the single-lepton decay mode (SUS-13-011). The combinations of stop and neutralino masses inside the contours are excluded by the experimental results. The red contour assumes that the stop decays to a top quark and a neutralino, the blue contour assumes that the stop decays to a bottom quark and a chargino.

CMS presented new results of searches for signatures of supersymmetry (SUSY) at the LHCP conference held in Barcelona, Spain in May and at the EPSHEP conference held in Stockholm, Sweden in July.

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From our archives: the Shrine of St Barbara

Image 1: The on-site workers with the idol of St. Barbara in 1999.

Despite the violent nature of the particle collisions that take place inside the CMS detector, the cathedral-sized cavern in which it sits thirty storeys underground exudes a certain peaceful calm.

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A very rare decay has been seen by CMS

Image 1: A candidate B<sub>s</sub> &rarr; &mu;&mu; event recorded in the CMS detector in 2012, produced in proton-proton collisions at 8 TeV. (Ultra-high-resolution image below, Image 5.)

CMS has seen an important rare decay predicted by the Standard Model

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The CMS Guitar goes underground

Piotr and Jonah jamming in the CMS experimental cavern

The CMS Guitar has already visited Point 5 in the past but this was her first time underground, with the detector itself.

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Technical Design Report for Level-1 Trigger Upgrade Published

The cover of the L1 Upgrade TDR

CMS is in many ways a living entity, undergoing change from time to time, with components being replaced or upgraded as their ability to handle the LHC's collisions reduces.

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Supersymmetric glue: the search for gluinos

CMS physicists searched for the gluino, the supersymmetric cousin of the gluon. The red box shows where the gluino is listed.

One of the biggest unanswered questions of particle physics is why the mass of the Higgs boson is relatively small when the Standard Model suggests a more natural value would be many

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Removal of a section of the CMS Beam Pipe

Over recent weeks, members of the TE-VSC group have been removing seven components of the beam pipe located at the heart of the CMS detector. The delicate operations involved have been performed in several stages as the detector opening work has progressed.

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Correlation phenomena observed by CMS may shed light on exotic state of matter

Image 1: Event display for a high-multiplicity pPb collision at 5.02 TeV with about 420 tracks produced, recorded by CMS in 2013.

Observing a phenomenon for the first time helps us fine-tune our understanding of the Universe. CMS physicists found such a phenomenon in September 2012 in proton-lead collisions, an observation that has since been reinforced by much more data from such collisions collected in early 2013.

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CMS, Michel Della Negra and Jim Virdee among winners of 2013 EPS Prize

Tejinder Virdee (left) with Michel Della Negra, in the CMS Control Room in 2008.

The EPS High Energy Physics Division announces the winners of its 2013 prizes, which will be awarded at the Europhysics Conference on High-Energy Physics (EPS-HEP 2013), Stockholm (Sweden) 18-24 July 2013 (http://eps-hep2013.eu/):

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