BNL | Relativistic Heavy Ion Collider (RHIC)

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What scientists learn from RHIC may help us understand more about why the physical world works the way it does, from the smallest subatomic particles, to the largest stars. </div> <div id="doeLogoContainer"> <a id="doeLogoLink" title="DOE Office of Science" href="http://science.energy.gov/"> <img class="DOElogo black" title="DOE Office of Science" src="/assets/global/images/logo-doe-black-200px.png" /> <img class="DOElogo white" title="DOE Office of Science" src="/assets/global/images/logo-doe-white-500px.png" /> </a> </div> </div> </div> </div> <div class="container_24" id="siteMenuContainer"> <div class="grid_24"> <ul id="siteMenu"> <li><a href="/rhic/">Home</a> <li><a href="physics.php">RHIC Science</a> <ul> <li><a href="physics.php">Physics of RHIC</a></li> <li><a href="new-physics.php">Discoveries</a></li> <li><a href="star.php">STAR</a></li> <li><a href="phenix.php">PHENIX</a></li> <li><a href="sphenix.php">sPHENIX</a></li> <li><a href="phobos-brahms.php">PHOBOS & BRAHMS</a></li> <li><a href="/eic/">Electron-Ion Collider</a></li> <li><a href="complex.php">Accelerator Complex</a></li> <li><a href="quark-matter.php">Why?</a></li> </ul> <li><a href="newsroom.php">News</a> <li><a href="images.php">Images</a> <li><a href="videos.php">Videos</a> <li><a href="collaborators.php">For Scientists</a> </ul> </div> </div> <img id="heroGraphic" src="images/banner-RHIC.jpg" alt="photo of RHIC tunnel"> <div class="container_24">  <div class="grid_24" style="margin-bottom:2em"> <ul class='articleSummaries'> <li class=''><a target='_top' href='https://www.bnl.gov/newsroom/news.php?a=122267'><div class='thumbnail'><img onerror='this.src="/assets/global/images/unavailable-minipic.jpg";' src='/today/intra_pics/2025/01/2025-01-08-2776-0007-550px.jpg' alt='Gabor David and Axel Drees sketch on a chalkboard' /></div> <h3>Fresh, Direct Evidence for Tiny Drops of Quark-Gluon Plasma</h3> <p>Particles of light provide direct evidence that energetic jets get ‘stuck’ in tiny drops of quark-gluon plasma.</p> </a> <div class='clear'></div> <li class=''><a target='_top' href='https://www.bnl.gov/newsroom/news.php?a=122245'><div class='thumbnail'><img onerror='this.src="/assets/global/images/unavailable-minipic.jpg";' src='/today/intra_pics/2024/12/top-10-550px.jpg' alt='Top 10' /></div> <h3>Brookhaven's Top 10 Discoveries of 2024</h3> <p>Brookhaven Lab celebrates a year of scientific successes, from creating the biggest bits of antimatter to improving qubits, catalysts, batteries, and more!</p> </a> <div class='clear'></div> </ul> </div> <div class="grid_8 teasers"> <h3><a href="physics.php">RHIC Physics</a></h3> <p>RHIC is the first machine in the world capable of colliding ions as heavy as gold.</p> <h3><a href="spin.php">The Spin Puzzle</a></h3> <p>RHIC is the world's only machine capable of colliding beams of polarized protons to investigate the 'missing' spin of the proton.</p> <h3><a href="complex.php">Accelerator Science</a></h3> <p>Before high-speed packets of heavy ions can be brought into collisions with one another, they first travel through a chain of smaller particle accelerators.</p> <h3><a href="education.php">An Educational Pipeline</a></h3> <p>Large-scale physics facilities like RHIC play a significant role in training the next generation of physicists.</p> </div> <div class="grid_8"> <div class="boundingBox item2"> <h2 class="thin baseColor">Matter at the Dawn of Time</h2> <p class="item">Physicist Paul Sorensen describes discoveries made at the Relativistic Heavy Ion Collider where conditions similar to what the universe may have looked like in the first microseconds after its birth are created.</p> <div class='videoPlayer'> <div class='flash-center' style='width:2400px;'> <div class='flash-player responsiveVideo'> <iframe width='2400' height='1350' src='https://www.youtube.com/embed/sbnFUGHM8EQ?rel=0&fs=0&wmode=transparent&showinfo=0&hd=1&autoplay=0' frameborder='0' allowfullscreen></iframe> </div> </div> </div> <div class='currentVideoInformation'> <ul class='videoSummaries'><li><h3>Breakthrough: RHIC Explores Matter at the Dawn of Time</h3> <p class='date'>April 24, 2012</p> <p>(Separate print interview at http://energy.gov/articles/lab-breakthrough-exploring-matter-dawn-time). Physicist Paul Sorensen describes discoveries made at the Relativistic Heavy Ion Collider (RHIC), a particle accelerator at the U.S. Department of Energy's Brookhaven National Laboratory. At RHIC, scientists from around the world study what the universe may have looked like in the first microseconds after its birth, helping us to understand more about why the physical world works the way it does -- from the smallest particles to the largest stars.</p> <div class='clear'></div> </ul> </div> </div> </div> <div class="grid_8"> <div class="boundingBox item2"> <h2 class="thin baseColor">Electron-Ion Collider</h2> <p class="item">A breakthrough particle accelerator based on RHIC infrastructure will collide electrons with heavy ions or protons at nearly the speed of light to create rapid-fire, high-resolution “snapshots” of the force binding all visible matter. <a href="/eic/"> Read more...</a></p> <img class="fwd fwm" style="margin-bottom:0" alt="rendering of EIC" src="images/eic.jpg" /> </div> </div> <div class="clear"></div> <div class="grid_12"> <div class="heroOuter2"> <img class="heroGraphic2" src="images/rectangle-sphenix.jpg" alt="background image"> <div class="overScreen2"> <div class="insideHero2"> <h2>sPHENIX</h2> <p class="tagline">A new detector to probe quark gluon plasma</p> <p><a href="sphenix.php" class="button alt3 white transparent small">Learn more</a></p> </div> </div> </div> </div> <div class="grid_12"> <div class="heroOuter2"> <img class="heroGraphic2" src="images/rectangle-star.jpg" alt="background image"> <div class="overScreen2"> <div class="insideHero2"> <h2>STAR</h2> <p class="tagline">The Solenoidal Tracker at RHIC</p> <p><a href="star.php" class="button alt3 white transparent small">Learn more</a></p> </div> </div> </div> </div> </div> <div class="midRibbon"> <div class="container_24"> <div class="grid_4"> <h4>RHIC Science</h4> <ul class="responsiveLinkList2"> <li><a href="physics.php">Heavy Ion Collisions</a></li> <li><a href="spin.php">Spin Physics</a></li> <li><a href="new-physics.php">Discoveries</a></li> <li><a href="quark-matter.php">Why Quark Matter Matters</a></li> <li><a href="black-holes.php">Black Holes</a></li> </ul> </div> <div class="grid_4"> <h4>Detectors</h4> <ul class="responsiveLinkList2"> <li><a href="star.php">STAR</a></li> <li><a href="phenix.php">PHENIX</a></li> <li><a href="sphenix.php">sPHENIX</a></li> <li><a href="phobos-brahms.php">PHOBOS & BRAHMS</a></li> <li><a href="funding.php">Funding Agencies</a></li> </ul> </div> <div class="grid_4"> <h4>Accelerator</h4> <ul class="responsiveLinkList2"> <li><a href="complex.php">Accelerator Complex</a></li> <li><a href="eic.php">Electron-Ion Collider</a></li> </ul> <h4>Computing</h4> <ul class="responsiveLinkList2"> <li><a href="https://www.sdcc.bnl.gov/">RHIC & ATLAS Computing Facility (RACF)</a></li> </ul> </div> <div class="grid_4"> <h4>News</h4> <ul class="responsiveLinkList2"> <li><a href="newsroom.php">News & Features</a></li> <li><a href="news-archives.php">News Archive</a></li>  </ul> </div> <div class="grid_4"> <h4>Videos</h4> <ul class="responsiveLinkList2"> <li><a href="videos.php">Video Archive</a></li> </ul> 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