<p>After a two-year shutdown for upgrades and maintenance, the <a href="http://home.web.cern.ch/topics/large-hadron-collider" title="">Large Hadron Collider</a> (LHC) — already the world’s largest and most powerful particle accelerator — is back online and more powerful than ever. The LHC’s particles, which whiz around a 17-mile loop at almost light speed, will now boast nearly twice the collision energy. While the 2012 discovery of the Higgs boson particle was a landmark event, it was basically expected. Physicists hope that with bigger energies come bigger findings: brand-new particles, evidence for theories beyond the Standard Model (the current paradigm) or even the discovery of dark matter’s identity. Hold on to your protons.</p><div class="vert-display-toggle collapsible relative flex flex-col items-center "><div class="vert-unit mt-4 mb-3 top-20"><div ad-type="mobile-desktop" class="ad-wrapper vert min-h-boombox flex items-start justify-center" data-ad-mapping="inline" data-ad-slot="Discover/inline-ad" id="div-inline-ad-0"></div></div><span aria-label="Advertisement" class="text-ad mt-1 text-[11px] uppercase">Advertisement</span></div><figure class="fr-image-container fr-full"><img srcset="https://cdn.discovermagazine.com/assets/image/21679/LHC-online-s.webp 480w, https://cdn.discovermagazine.com/assets/image/21679/LHC-online-m.webp 660w" sizes="(max-width: 480px) 480px, 660px" src="https://cdn.discovermagazine.com/assets/image/21679/LHC-online-s.jpg" title="LHC-online.jpg" loading="lazy" data-id="21679"><figcaption class="fr-figcaption"><p class="fr-caption">The Compact Muon Solenoid is one of four major detectors at the upgraded Large Hadron Collider, which was reactivated in June. | Richard Juilliart/AFP/Getty Images</p></figcaption></figure><p></p>

LHC-technicians.jpg

January/February 2016

The January/February  2016 issue of Discover Magazine

100 Top Stories of 2015

The upgraded particle collider gets supercharged.

The Sciences

LHC Back Online, With an Extra Shot

Article

News

Andy Berger

Science

After a two-year shutdown for upgrades and maintenance, the Large Hadron Collider (LHC) — already the world’s largest and most powerful particle accelerator — is back online and more powerful than ever. The LHC’s particles, which whiz around a 17-mile loop at almost light speed, will now boast nearly twice the collision energy. While the 2012 discovery of the Higgs boson particle was a landmark event, it was basically expected. Physicists hope that with bigger energies come bigger findings: brand-new particles, evidence for theories beyond the Standard Model (the current paradigm) or even the discovery of dark matter’s identity. Hold on to your protons. The Compact Muon Solenoid is one of four major detectors at the upgraded Large Hadron Collider, which was reactivated in June. | Richard Juilliart/AFP/Getty Images

Discover Magazine’s award-winning journalism inspires and informs, delivering thought-provoking content that sparks meaningful conversations. With a focus on groundbreaking developments in science, technology, and the world around us, Discover highlights the impact of these innovations on our daily lives.

大型强子对撞机再次上线，能量更强

新闻简报

安迪·伯杰

发表于

2015年100个最佳故事

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