In 2011, CMS presented early evidence that Upsilon (Υ) particles produced in lead-lead collisions "melt" as a consequence of interacting with the hot nuclear matter created in these heavy-ion interactions. CMS has since ...
General Physics
Dec 20, 2012
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0
One way physicists seek clues to unravel the mysteries of the universe is by smashing matter together and inspecting the debris. But these types of destructive experiments, while incredibly informative, have limits.
General Physics
Oct 18, 2023
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50
Lead leaching from pipes into the water supply is a serious public health concern. And if water sources or treatment regimens are changed, the new chemistry can cause water distribution systems that were previously safe to ...
Materials Science
Apr 3, 2019
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22
Protons to the right, ions to the left: the basic principle of proton-ion collisions at the LHC might seem straightforward. However, this is an almost unprecedented mode of collider operation, certainly unique at the energy ...
General Physics
Sep 27, 2012
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The designers of solar cells know their creations must contend with a wide range of temperatures and all sorts of weather conditions—conditions that can impact their efficiency and useful lifetime.
Materials Science
Oct 26, 2020
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242
It's the particles' last lap of the ring. On 5 December 2016, protons and lead ions circulated in the Large Hadron Collider (LHC) for the last time. At exactly 6.02am, the experiments recorded their last collisions (also ...
General Physics
Dec 6, 2016
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34
Roughly once a year, the smallest Large Hadron Collider (LHC) experiment, LHC-forward (LHCf), is taken out of its dedicated storage on the site near the ATLAS experiment, reinstalled in the LHC tunnel, and put to use investigating ...
General Physics
Nov 21, 2016
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16
RUDN University chemists together with colleagues from other countries have synthesized new compounds that effectively bind lead ions and can be used to remove it from wastewater and even from living organisms—that is, ...
Analytical Chemistry
Jan 28, 2020
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139
Over the past few days, the SPS has been accelerating argon ions, which have started to be sent to the NA61/SHINE experiment. This operating mode, using a new type of ion, required a number of modifications to the accelerator.
General Physics
Feb 16, 2015
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15
Rocks do not lose their memory across Earth history, but their true ages might be distorted: Even under ultra-high temperature metamorphic conditions exceeding 1200°C, zircon retains the lead content accumulated during radioactive ...
Earth Sciences
Apr 6, 2015
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