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CERN
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{{short description|International organization which operates the world's largest particle physics laboratory}}{{other uses|Cern (disambiguation)}}{{Pp-move-indef}}{{Pp-semi-indef}}{{Coord|46|14|03|N|6|03|10|E|region:CH_type:landmark|display=title}}{{Use dmy dates|date=October 2012}}







factoids
List of Directors General of CERN>Director General| leader_name2 = Fabiola Gianotti |titlestyle= background-color: #f9f9f9; text-align: left; font-weight: normal; line-height: 1.3em;
|liststyle = padding: 6px 0; background-color: none; text-align: left;
|framestyle= line-height: 2.0em; border: none; padding: 0;
|title = 23 countries
|{{flag|Austria}}
|{{flag|Belgium}}
|{{flag|Bulgaria}}
|{{flag|Czech Republic}}
|{{flag|Denmark}}
|{{flag|Finland}}
|{{flag|France}}
|{{flag|Germany}}
|{{flag|Greece}}
|{{flag|Hungary}}
|{{flag|Israel}}
|{{flag|Italy}}
|{{flag|Netherlands}}
|{{flag|Norway}}
|{{flag|Poland}}
|{{flag|Portugal}}
|{{flag|Romania}}
|{{flag|Serbia}}
|{{flag|Slovakia}}
|{{flag|Spain}}
|{{flag|Sweden}}
|{{flag|Switzerland}}
|{{flag|United Kingdom}}
|Associate members:
|{{flag|Croatia}}
|{{flag|Cyprus}}
|{{flag|India}}
|{{flag|Lithuania}}
|{{flag|Pakistan}}
|{{flag|Slovenia}}
|{{flag|Turkey}}
|{{flag|Ukraine}}
}}English language>English and Frenchweblink}}}}The European Organization for Nuclear Research (), known as CERN ({{IPAc-en|s|ɜːr|n}}; {{IPA-fr|sɛʁn}}; derived from the name ), is a European research organization that operates the largest particle physics laboratory in the world. Established in 1954, the organization is based in a northwest suburb of Geneva on the Franco–Swiss border and has 22 member states.WEB,weblink Member States, International Relations, CERN, 25 November 2015, Israel is the only non-European country granted full membership.WEB,weblink CERN to admit Israel as first new member state since 1999 - CERN Courier, cerncourier.com, CERN is an official United Nations Observer.WEB,weblink Intergovernmental Organizations, www.un.org, The acronym CERN is also used to refer to the laboratory, which in 2016 had 2,500 scientific, technical, and administrative staff members, and hosted about 12,000 users. In the same year, CERN generated 49 petabytes of data.WEB,weblink Annual Report 2016, CERN, 22 September 2017, CERN's main function is to provide the particle accelerators and other infrastructure needed for high-energy physics research – as a result, numerous experiments have been constructed at CERN through international collaborations. The main site at Meyrin hosts a large computing facility, which is primarily used to store and analyse data from experiments, as well as simulate events. Researchers need remote access to these facilities, so the lab has historically been a major wide area network hub. CERN is also the birthplace of the World Wide Web.BOOK
, Stephanie Sammartino
, McPherson
, Tim Berners-Lee: Inventor of the World Wide Web
,weblink
, 2009
, Twenty-First Century Books
, 978-0-8225-7273-2
, no
,weblink
, 15 April 2016
, dmy-all
, NEWS
, Network Designer Tim Berners-Lee
,weblink
, Time Magazine
, 17 May 2010
, He wove the World Wide Web and created a mass medium for the 21st century. The World Wide Web is Berners-Lee's alone. He designed it. He loosed it on the world. And he more than anyone else has fought to keep it open, nonproprietary and free.
, Joshua
, Quittner
, yes
, 29 March 1999
, no
,weblink" title="web.archive.org/web/20070815090521weblink">weblink
, 15 August 2007
, dmy-all
, {{page needed|date=September 2016}}

History

(File:Cernfounders.png|thumb|upright=0.95|left|The 12 founding member states of CERN in 1954WEB,weblink CERN.ch, CERN, 20 November 2010, )The convention establishing CERN was ratified on 29 September 1954 by 12 countries in Western Europe. The acronym CERN originally represented the French words for (European Council for Nuclear Research), which was a provisional council for building the laboratory, established by 12 European governments in 1952. The acronym was retained for the new laboratory after the provisional council was dissolved, even though the name changed to the current (European Organization for Nuclear Research) in 1954.WEB,weblink The Name CERN, 30 September 2011, CERN, 16 August 2012, According to Lew Kowarski, a former director of CERN, when the name was changed, the abbreviation could have become the awkward OERN, and Werner Heisenberg said that this could "still be CERN even if the name is [not]".{{Citation needed|date=November 2007}}CERN's first president was Sir Benjamin Lockspeiser. Edoardo Amaldi was the general secretary of CERN at its early stages when operations were still provisional, while the first Director-General (1954) was Felix Bloch.JOURNAL,weblink People and things : Felix Bloch, 1 September 2015, CERN Courier, The laboratory was originally devoted to the study of atomic nuclei, but was soon applied to higher-energy physics, concerned mainly with the study of interactions between subatomic particles. Therefore, the laboratory operated by CERN is commonly referred to as the European laboratory for particle physics (), which better describes the research being performed there.

Founding members

At the sixth session of the CERN Council, which took place in Paris from 29 June - 1 July 1953, the convention establishing the organization was signed, subject to ratification, by 12 states.The convention was gradually ratified by the 12 founding Member States: Belgium, Denmark, France, the Federal Republic of Germany, Greece, Italy, the Netherlands, Norway, Sweden, Switzerland, the United Kingdom, and Yugoslavia.The CERN convention was signed in 1953 by the 12 founding states Belgium, Denmark, France, the Federal Republic of Germany, Greece, Italy, the Netherlands, Norway, Sweden, Switzerland, the United Kingdom and Yugoslavia, and entered into force on 29 September 1954., Our Member States, home.cern

Scientific achievements

Several important achievements in particle physics have been made through experiments at CERN. They include: In September 2011, CERN attracted media attention when the OPERA Collaboration reported the detection of possibly faster-than-light neutrinos.Adrian Cho, Neutrinos Travel Faster Than Light, According to One Experiment, Science NOW, 22 September 2011. Further tests showed that the results were flawed due to an incorrectly connected GPS synchronization cable.WEB,weblink OPERA experiment reports anomaly in flight time of neutrinos from CERN to Gran Sasso, CERN, 12 November 2016, The 1984 Nobel Prize for Physics was awarded to Carlo Rubbia and Simon van der Meer for the developments that resulted in the discoveries of the W and Z bosons. The 1992 Nobel Prize for Physics was awarded to CERN staff researcher Georges Charpak "for his invention and development of particle detectors, in particular the multiwire proportional chamber". The 2013 Nobel Prize for Physics was awarded to François Englert and Peter Higgs for the theoretical description of the Higgs mechanism in the year after the Higgs boson was found by CERN experiments.

Computer science

{{See also|History of the World Wide Web}}{{Triple image|right|First Web Server.jpg|250|Ciscosystemsrouteratcern.jpg|203|Where the WEB was born.jpg|250|This NeXT Computer used by British scientist Sir Tim Berners-Lee at CERN became the first Web server.|This Cisco Systems router at CERN was one of the first IP routers deployed in Europe.|A plaque at CERN commemorating the invention of the World Wide Web by Tim Berners-Lee and Robert Cailliau}}The World Wide Web began as a CERN project named ENQUIRE, initiated by Tim Berners-Lee in 1989 and Robert Cailliau in 1990.WEB,weblink CERN.ch, CERN, 20 November 2010, Berners-Lee and Cailliau were jointly honoured by the Association for Computing Machinery in 1995 for their contributions to the development of the World Wide Web.Based on the concept of hypertext, the project was intended to facilitate the sharing of information between researchers. The first website was activated in 1991. On 30 April 1993, CERN announced that the World Wide Web would be free to anyone. A copyWEB,weblink The World Wide Web project, W3C, 20 November 2010, of the original first webpage, created by Berners-Lee, is still published on the World Wide Web Consortium's website as a historical document.Prior to the Web's development, CERN had pioneered the introduction of Internet technology, beginning in the early 1980s.WEB,weblink A Short History of Internet Protocols at CERN, CERN, 20 November 2010, More recently, CERN has become a facility for the development of grid computing, hosting projects including the Enabling Grids for E-sciencE (EGEE) and LHC Computing Grid. It also hosts the CERN Internet Exchange Point (CIXP), one of the two main internet exchange points in Switzerland.

Particle accelerators

{{Refimprove section|date=January 2019}}

Current complex

{{CERNaccelerators}}File:Location Large Hadron Collider.PNG|thumb|Map of the Large Hadron Collider together with the Super Proton SynchrotronSuper Proton SynchrotronCERN operates a network of six accelerators and a decelerator. Each machine in the chain increases the energy of particle beams before delivering them to experiments or to the next more powerful accelerator. Currently active machines are:

Large Hadron Collider

Many activities at CERN currently involve operating the Large Hadron Collider (LHC) and the experiments for it. The LHC represents a large-scale, worldwide scientific cooperation project.File:Construction of LHC at CERN.jpg|thumb|upright|left|Construction of the CMS detector for LHC at CERN]]The LHC tunnel is located 100 metres underground, in the region between the Geneva International Airport and the nearby Jura mountains. The majority of its length is on the French side of the border. It uses the 27 km circumference circular tunnel previously occupied by the Large Electron–Positron Collider (LEP), which was shut down in November 2000. CERN's existing PS/SPS accelerator complexes are used to pre-accelerate protons and lead ions which are then injected into the LHC.Seven experiments (CMS, ATLAS, LHCb, MoEDAL,CERN Courier, "MoEDAL becomes the LHC's magnificent seventh", 5 May 2010 TOTEM, LHC-forward and ALICE) are located along the collider; each of them studies particle collisions from a different aspect, and with different technologies. Construction for these experiments required an extraordinary engineering effort. For example, a special crane was rented from Belgium to lower pieces of the CMS detector into its underground cavern, since each piece weighed nearly 2,000 tons. The first of the approximately 5,000 magnets necessary for construction was lowered down a special shaft at 13:00 GMT on 7 March 2005.The LHC has begun to generate vast quantities of data, which CERN streams to laboratories around the world for distributed processing (making use of a specialized grid infrastructure, the LHC Computing Grid). During April 2005, a trial successfully streamed 600 MB/s to seven different sites across the world.The initial particle beams were injected into the LHC August 2008.Overbye, Dennis (29 July 2008). "Let the Proton Smashing Begin. (The Rap Is Already Written.)". The New York Times. The first beam was circulated through the entire LHC on 10 September 2008,WEB,weblink LHC First Beam, CERN, 12 November 2016, but the system failed 10 days later because of a faulty magnet connection, and it was stopped for repairs on 19 September 2008.The LHC resumed operation on 20 November 2009 by successfully circulating two beams, each with an energy of 3.5 teraelectronvolts (TeV). The challenge for the engineers was then to try to line up the two beams so that they smashed into each other. This is like "firing two needles across the Atlantic and getting them to hit each other" according to Steve Myers, director for accelerators and technology.On 30 March 2010, the LHC successfully collided two proton beams with 3.5 TeV of energy per proton, resulting in a 7 TeV collision energy. However, this was just the start of what was needed for the expected discovery of the Higgs boson. When the 7 TeV experimental period ended, the LHC revved to 8 TeV (4 TeV per proton) starting March 2012, and soon began particle collisions at that energy. In July 2012, CERN scientists announced the discovery of a new sub-atomic particle that was later confirmed to be the Higgs boson.JOURNAL, Adrian Cho, Higgs Boson Makes Its Debut After Decades-Long Search, Science, 141–143, 337, 13 July 2012, 10.1126/science.337.6091.141, 22798574, 6091, harv, In March 2013, CERN announced that the measurements performed on the newly found particle allowed it to conclude that this is a Higgs boson.WEB,weblink New results indicate that particle discovered at CERN is a Higgs boson, CERN, 12 November 2016, In early 2013, the LHC was deactivated for a two-year maintenance period, to strengthen the electrical connections between magnets inside the accelerator and for other upgrades.On 5 April 2015, after two years of maintenance and consolidation, the LHC restarted for a second run. The first ramp to the record-breaking energy of 6.5 TeV was performed on 10 April 2015.WEB, O'Luanaigh, Cian, First successful beam at record energy of 6.5 TeV,weblink CERN: Accelerating science, CERN, 24 April 2015, WEB, O'Luanaigh, Cian, Proton beams are back in the LHC,weblink CERN: Accelerating science, CERN, 24 April 2015, In 2016, the design collision rate was exceeded for the first time.WEB,weblink LHC smashes targets for 2016 run, 1 November 2016, A second two-year period of shutdown is scheduled to begin at the end of 2018.

Decommissioned accelerators

Possible future accelerators

CERN, in collaboration with groups worldwide, is investigating two main concepts for future accelerators: A linear electron-positron collider with a new acceleration concept to increase the energy (CLIC) and a larger version of the LHC, a project currently named Future Circular Collider.NEWS,weblink Cern plans for even larger hadron collider, Ghosh, Pallab, 2019-01-15, 2019-01-17, en-GB,

Sites

(File:Bldng40cropped.jpg|thumb|Interior of office building 40 at the Meyrin site. Building 40 hosts many offices for scientists from the CMS and ATLAS collaborations.)The smaller accelerators are on the main Meyrin site (also known as the West Area), which was originally built in Switzerland alongside the French border, but has been extended to span the border since 1965. The French side is under Swiss jurisdiction and there is no obvious border within the site, apart from a line of marker stones.The SPS and LEP/LHC tunnels are almost entirely outside the main site, and are mostly buried under French farmland and invisible from the surface. However, they have surface sites at various points around them, either as the location of buildings associated with experiments or other facilities needed to operate the colliders such as cryogenic plants and access shafts. The experiments are located at the same underground level as the tunnels at these sites.Three of these experimental sites are in France, with ATLAS in Switzerland, although some of the ancillary cryogenic and access sites are in Switzerland. The largest of the experimental sites is the Prévessin site, also known as the North Area, which is the target station for non-collider experiments on the SPS accelerator. Other sites are the ones which were used for the UA1, UA2 and the LEP experiments (the latter are used by LHC experiments).Outside of the LEP and LHC experiments, most are officially named and numbered after the site where they were located. For example, NA32 was an experiment looking at the production of so-called "charmed" particles and located at the Prévessin (North Area) site while WA22 used the Big European Bubble Chamber (BEBC) at the Meyrin (West Area) site to examine neutrino interactions. The UA1 and UA2 experiments were considered to be in the Underground Area, i.e. situated underground at sites on the SPS accelerator.Most of the roads on the CERN Meyrin and Prévessin sites are named after famous physicists, such as Richard Feynman, Niels Bohr, and Albert Einstein.

Participation and funding

Member states and budget

Since its foundation by 12 members in 1954, CERN regularly accepted new members. All new members have remained in the organization continuously since their accession, except Spain and Yugoslavia. Spain first joined CERN in 1961, withdrew in 1969, and rejoined in 1983. Yugoslavia was a founding member of CERN but quit in 1961. Of the 22 members, Israel joined CERN as a full member on 6 January 2014, becoming the first (and currently only) non-European full member.Rahman, Fazlur. (2013-11-11) Israel may become first non-European member of nuclear research group CERN – Diplomacy and Defense Israel News. Haaretz. Retrieved on 2014-04-28.The budget contributions of member states are computed based on their GDP.WEB, Member States' Contributions – 2017,weblink CERN website, CERN, 21 September 2017, {| class="wikitable sortable" cellspacing="2"!Member state!Status since!Contribution(million CHF for 2017)!Contribution(fraction of total for 2017)!Contribution per capita{{refn|Based on the population in 2017. |name=population |group=note}}(CHF/person for 2017) class="sortbottom" style="background:#e9e9e9;" Founding Members{{refnConvention for the Establishment of a European Organization for Nuclear Research which entered into force on 29 September 1954.HTTP://WWW.ESA.INT/ESAPUB/SP/SP1300/SP1300EN1.PDF DATE=SEPTEMBER 2005 PUBLISHER=EUROPEAN SPACE AGENCY WEBSITE=CERN COUNCIL WEBSITE ACCESSDATE=16 JULY 2012 ARCHIVEURL=HTTPS://WEB.ARCHIVE.ORG/WEB/20120701224642/HTTPS://COUNCIL.WEB.CERN.CH/COUNCIL/EN/GOVERNANCE/CONVENTION.HTML DF=DMY-ALL, group=note}}29 September 1954}} style="text-align:right;"30.9}} style="text-align:right;"2.76}}% style="text-align:right;"2.7}}29 September 1954}} style="text-align:right;"19.8}} style="text-align:right;"1.7}}% style="text-align:right;"3.4}}29 September 1954}} style="text-align:right;"160.3}} style="text-align:right;"14.3}}% style="text-align:right;"2.6}}29 September 1954}} style="text-align:right;"228.9}} style="text-align:right;"20.4}}% style="text-align:right;"2.8}}29 September 1954}} style="text-align:right;"13.4}} style="text-align:right;"1.2}}% style="text-align:right;"1.6}}29 September 1954}} style="text-align:right;"118.9}} style="text-align:right;"10.6}}% style="text-align:right;"2.1}}29 September 1954}} style="text-align:right;"53.4}} style="text-align:right;"4.7}}% style="text-align:right;"3.0}}29 September 1954}} style="text-align:right;"32.4}} style="text-align:right;"2.8}}% style="text-align:right;"5.4}}29 September 1954}} style="text-align:right;"30.6}} style="text-align:right;"2.7}}% style="text-align:right;"3.0}}29 September 1954}} style="text-align:right;"43.8}} style="text-align:right;"3.9}}% style="text-align:right;"4.9}}29 September 1954}} style="text-align:right;"169.0}} style="text-align:right;"15.0}}% style="text-align:right;"2.4}}{{YUG}}{{refn>Yugoslavia left the organization in 1961.{{dts>29 September 1954}}HTTP://INTERNATIONAL-RELATIONS.WEB.CERN.CH/INTERNATIONAL-RELATIONS/MS/ >TITLE=MEMBER STATES PUBLISHER=CERN WEBSITE=CERN TIMELINESACCESSDATE=25 NOVEMBER 2015, style="text-align:right;"0}} style="text-align:right;"0}}% style="text-align:right;"0}} class="sortbottom" style="background:#e9e9e9;" Acceded Members{{refnWEBSITE=CERN COUNCIL WEBSITE ACCESSDATE=16 JULY 2012 ARCHIVEURL=HTTPS://WEB.ARCHIVE.ORG/WEB/20120701224138/HTTPS://COUNCIL.WEB.CERN.CH/COUNCIL/EN/MEMBERSTATES.HTML DF=DMY-ALL, group=note}}1 June 1959}} style="text-align:right;"24.2}} style="text-align:right;"2.1}}% style="text-align:right;"2.9}}Spain was previously a member state from 1961 to 19691 January 1983}}HTTP://INTERNATIONAL-RELATIONS.WEB.CERN.CH/INTERNATIONAL-RELATIONS/MS/ES.HTML >TITLE=SPAIN PUBLISHER=CERN {{nts {{nts {{nts|2.0}}1 January 1986}} style="text-align:right;"12.4}} style="text-align:right;"1.1}}% style="text-align:right;"1.3}}1 January 1991}} style="text-align:right;"15.0}} style="text-align:right;"1.3}}% style="text-align:right;"2.8}}1 July 1991}} style="text-align:right;"31.6}} style="text-align:right;"2.8}}% style="text-align:right;"0.8}}1 July 1992}} style="text-align:right;"6.7}} style="text-align:right;"0.6}}% style="text-align:right;"0.7}}1 July 1993}} style="text-align:right;"10.5}} style="text-align:right;"0.9}}% style="text-align:right;"1.1}}1 July 1993}} style="text-align:right;"5.4}} style="text-align:right;"0.5}}% style="text-align:right;"1.0}}11 June 1999}} style="text-align:right;"3.3}} style="text-align:right;"0.3}}% style="text-align:right;"0.4}}6 January 2014}}HTTP://INTERNATIONAL-RELATIONS.WEB.CERN.CH/INTERNATIONAL-RELATIONS/MS/IL.HTML >TITLE=ISRAEL PUBLISHER=CERN {{nts {{nts {{nts|2.7}}17 July 2016}}HTTP://PRESS.CERN/PRESS-RELEASES/2016/07/CERN-WELCOMES-ROMANIA-ITS-TWENTY-SECOND-MEMBER-STATE>TITLE=CERN WELCOMES ROMANIA AS ITS TWENTY-SECOND MEMBER STATE {{!, Media and Press Relationslanguage=en {{nts {{nts N/A class="sortbottom" style="background:#e9e9e9;" Associate Member in the pre-stage to Membership{{#tag:ref name=premember |group=note}} 15 March 2012}}HTTP://INTERNATIONAL-RELATIONS.WEB.CERN.CH/INTERNATIONAL-RELATIONS/ASSOC/ >TITLE=CERN ASSOCIATE MEMBERS PUBLISHER=CERN ACCESSDATE=5 JULY 2014, style="text-align:right;"1.9}} style="text-align:right;"0.1}}% style="text-align:right;"0.1}}1 April 2016}}HTTP://INTERNATIONAL-RELATIONS.WEB.CERN.CH/INTERNATIONAL-RELATIONS/ASSOC/CYPRUS.HTML >TITLE=CYPRUS PUBLISHER=CERN {{nts {{nts {{nts|}}4 July 2017}}HTTP://PRESS.CERN/PRESS-RELEASES/2016/12/SLOVENIA-ENTER-ASSOCIATE-MEMBER-STATE-FAMILY-CERN >TITLE=SLOVENIA TO ENTER THE ASSOCIATE MEMBER STATE FAMILY OF CERN PUBLISHER=CERN WEBSITE=MEDIA AND PRESS RELATIONS DATE=4 JULY 2017, style="text-align:right;"0.5}} style="text-align:right;"}}% style="text-align:right;"}}28 February 2019}}HTTPS://HOME.CERN/NEWS/PRESS-RELEASE/CERN/CROATIA-BECOME-ASSOCIATE-MEMBER-CERN >TITLE=CROATIA TO BECOME AN ASSOCIATE MEMBER OF CERN DATE=28 FEBRUARY 2019, style="text-align:right;" {{nts {{nts|}} class="sortbottom" style="background:#e9e9e9;" Associate Members6 May 2015}}HTTP://INTERNATIONAL-RELATIONS.WEB.CERN.CH/INTERNATIONAL-RELATIONS/ASSOC/TURKEY.HTML >TITLE=TURKEY PUBLISHER=CERN {{nts {{nts {{nts|}}31 July 2015}}HTTP://INTERNATIONAL-RELATIONS.WEB.CERN.CH/INTERNATIONAL-RELATIONS/ASSOC/PAKISTAN.HTML >TITLE=PAKISTAN PUBLISHER=CERN {{nts {{nts {{nts|}}5 Oct 2016}}HTTPS://HOME.CERN/NEWS/NEWS/CERN/UKRAINE-BECOMES-ASSOCIATE-MEMBER-CERN >TITLE=UKRAINE BECOMES AN ASSOCIATE MEMBER OF CERN PUBLISHER=CERN {{nts {{nts {{nts|}}16 Jan 2017}}HTTPS://HOME.CERN/ABOUT/UPDATES/2017/01/INDIA-BECOMES-ASSOCIATE-MEMBER-STATE-CERN >TITLE=INDIA BECOMES ASSOCIATE MEMBER STATE OF CERN PUBLISHER=CERN {{nts {{nts {{nts|}}8 Jan 2018}} style="text-align:right;"}} style="text-align:right;"}}% style="text-align:right;"}} class="sortbottom" style="background:#e9e9e9;" {{hsTotal Members, Candidates and Associates > '''{{nts > {{nts {{nts|}}{{reflist|group=note}}{| class="wikitable collapsible collapsed"! Maps of the history of CERN membership| File:Cernfounders.png|1954 (12 members): CERN is founded {{Cref|a}} (1954-1990 borders)File:CERN1959.png|1959 (13 members): Austria joins (1954-1990 borders)File:CERN1961and1983.png|1961 (13 members): Spain joins and Yugoslavia leaves (1954-1990 borders)File:CERN1969.png|1969 (12 members): Spain leaves (1954-1990 borders)File:CERN1961and1983.png|1983 (13 members): Spain re-joins (1954-1990 borders)File:CERN1985.png|1985 (14 members): Portugal joins (1954-1990 borders)File:CERN1991.png|1991 (16 members): Poland and Finland join, and Germany has been reunified (post 1993 borders)File:CERN1992.png|1992 (17 members): Hungary joins (post 1993 borders)File:CERN1993.png|1993 (19 members): Czech Republic and Slovakia join (post 1993 borders)File:CERN1999.png|1999 (20 members): Bulgaria joins (post 1993 borders)File:CERN-Membership-History.gif|Animated map showing changes in CERN membership from 1954 until 1999 (borders are as at dates of change)

Enlargement

Associate Members, Candidates:
  • Serbia became a candidate for accession to CERN on 19 December 2011, signed an association agreement on 10 January 2012WEB,weblink Vesti – Srbija zvanično postala član CERN-a, B92, 4 July 2012, WEB,weblink Serbia expected to become CERN Associate Member, CMS Experiment web site, CERN, 18 January 2012, 5 July 2014, and became an associate member in the pre-stage to membership on 15 March 2012. Full membership was approved by the CERN council on 13 December 2018 and will become effective upon the completion of certain proceduresweblink
  • Turkey signed an association agreement on 12 May 2014WEB,weblink CERN press release, CERN, Turkey to become Associate Member State of CERN, 12 May 2014, 5 July 2014, and became an associate member on 6 May 2015.
  • Pakistan signed an association agreement on 19 December 2014WEB,weblink Pakistan Becomes the First Associate CERN Member from Asia, Government of Pakistan press releases, Ministry of Foreign Affairs, Government of Pakistan, 20 June 2014, 5 July 2014, and became an associate member on 31 July 2015.WEB, Pakistan becomes Associate Member State of CERN,weblink CERN, 2015-08-01, WEB, Pakistan officially becomes an associate member of CERN - The Express Tribune,weblink 2015-08-01,
  • Cyprus signed an association agreement on 5 October 2012 and became an associate Member in the pre-stage to membership on 1 April 2016.
  • Ukraine signed an association agreement on 3 October 2013. The agreement was ratified on 5 October 2016.
  • India signed an association agreement on 21 November 2016.WEB,weblink India to become Associate Member State of CERN, 21 November 2016, The agreement was ratified on 16 January 2017.
  • Slovenia was approved for admission as an Associate Member state in the pre-stage to membership on 16 December 2016. The agreement was ratified on 4 July 2017.
  • Lithuania was approved for admission as an Associate Member state on 16 June 2017. The association agreement was signed on 27 June 2017 and ratified on 8 January 2018.WEB,weblink Lithuania has become associate member of CERN, www.lrp.lt, WEB,weblink Lithuania becomes Associate Member State of CERN, Harriet Kim Jarlett, 8 January 2018, CERN,

International relations

Three countries have observer status:WEB,weblink Observers, International Relations, CERN, 15 December 2015, {hide}Columns-list|
  • Japan – since 1995
  • Russia – since 1993
  • United States – since 1997
{edih}Also observers are the following international organizations: Non-Member States (with dates of Co-operation Agreements) currently involved in CERN programmes are:WEB,weblink Member states, CERN, 3 October 2017, {{Columns-list|
  • Albania
  • Algeria
  • Argentina – 11 March 1992
  • Armenia – 25 March 1994
  • Australia – 1 November 1991
  • Azerbaijan – 3 December 1997
  • Bangladesh
  • Belarus – 28 June 1994
  • Bolivia
  • Brazil – 19 February 1990 & October 2006
  • Canada – 11 October 1996
  • Chile – 10 October 1991
  • China – 12 July 1991, 14 August 1997 & 17 February 2004
  • Colombia – 15 May 1993
  • Croatia – 18 July 1991
  • Ecuador
  • Egypt – 16 January 2006
  • Estonia – 23 April 1996
  • Georgia – 11 October 1996
  • Iceland – 11 September 1996
  • Iran – 5 July 2001
  • Jordan - 12 June 2003.WEB,weblink Jordan, International Relations, CERN, 4 July 2012, MoU with Jordan and SESAME, in preparation of a cooperation agreement signed in 2004.WEB,weblink SESAME, International Relations, CERN, 17 October 2011, 4 July 2012, yes,weblink" title="web.archive.org/web/20120701224730weblink">weblink 1 July 2012, dmy-all,
  • Lithuania – 9 November 2004
  • Macedonia – 27 April 2009
  • Malta – 10 January 2008WEB,weblink Prime Minister of Malta visits CERN, CERN, 10 January 2008, 23 May 2014, WEB,weblink Malta signs agreement with CERN, Times of Malta, 11 January 2008, 23 May 2014,
  • Mexico – 20 February 1998
  • Mongolia
  • Montenegro – 12 October 1990
  • Morocco – 14 April 1997
  • New Zealand – 4 December 2003
  • Peru – 23 February 1993
  • Saudi Arabia – 21 January 2006
  • South Africa – 4 July 1992
  • South Korea – 25 October 2006
  • United Arab Emirates – 18 January 2006
  • Vietnam
}}CERN also has scientific contacts with the following countries:{hide}Columns-list|
  • Cuba
  • Ghana
  • Ireland
  • Latvia
  • Lebanon
  • Madagascar
  • Malaysia
  • Mozambique
  • Palestine
  • Philippines
  • Qatar
  • Rwanda
  • Singapore
  • Sri Lanka
  • Taiwan
  • Thailand
  • Tunisia
  • Uzbekistan
{edih}International research institutions, such as CERN, can aid in science diplomacy.JOURNAL, Quevedo, Fernando, The Importance of International Research Institutions for Science Diplomacy, Science & Diplomacy, July 2013, 2, 3,weblink

Associated institutions

File:ESO and CERN sign cooperation agreement.jpg|thumb|upright=0.7|right|ESOESO{{Expand section|date=October 2013}} {{clear}}

Open access publishing

CERN has initiated an open access publishing project to convert scientific articles in high energy physics into gold open access by redirecting subscription fees. In the first phase from 2014-2016 3,000 libraries, consortia, research organisations, publishers and funding agencies in various countries participated.BOOK, Loizides, F., Smidt, B., Positioning and Power in Academic Publishing: Players, Agents and Agendas: Proceedings of the 20th International Conference on Electronic Publishing, IOS Press, 2016, 9,weblink 978-1-61499-649-1, All publications by CERN authors are published with gold open access.Open Access Policy for CERN Physics Publications, CERN-OPEN-2014-049, 27. April 2017

Public exhibits

File:CERN Globe of Science and Innovation.jpg|thumb|right|The Globe of Science and InnovationThe Globe of Science and InnovationFacilities at CERN open to the public include: CERN also provides daily tours to certain facilities such as the Synchro-cyclotron (CERNs first particle accelerator) and the superconducting magnet workshop.

In popular culture

(File:CERN Tram, line number 18.jpg|thumb|Line 18 goes to CERN)File:Shiva's statue at CERN engaging in the Nataraja dance.jpg|thumb|upright|The statue of Shiva engaging in the Nataraja dance presented by the Department of Atomic Energy of IndiaIndia
  • The band Les Horribles Cernettes was founded by women from CERN. The name was chosen so to have the same initials as the LHC.NEWS, Malcolm W Brown, 29 December 1998, Physicists Discover Another Unifying Force: Doo-Wop,weblink The New York Times, 2010-09-21, NEWS, Heather McCabe, 10 February 1999, Grrl Geeks Rock Out,weblink Wired News, 2010-09-21,
  • CERN's Large Hadron Collider is the subject of a (scientifically accurate) rap video starring Katherine McAlpine with some of the facility's staff.WEB,weblink Large Hadron Rap, YouTube, 20 November 2010, "Large Hadron Collider Rap Video Is a Hit", National Geographic News. 10 September 2008. Retrieved 13 August 2010.
  • Particle Fever, a 2013 documentary, explores CERN throughout the inside and depicts the events surrounding the 2012 discovery of the Higgs Boson
  • CERN is depicted in an episode of South Park (Season 13, Episode 6) called "Pinewood Derby". Randy Marsh, the father of one of the main characters, breaks into the "Hadron Particle Super Collider in Switzerland" and steals a "superconducting bending magnet created for use in tests with particle acceleration" to use in his son Stan's Pinewood Derby racer. Randy breaks into CERN dressed in disguise as Princess Leia from the Star Wars saga. The break-in is captured on surveillance tape which is then broadcast on the news.WEB,weblink Southparkstudios.com, South Park Studios, 25 May 2011,
  • John Titor, a self-proclaimed time traveler, alleged that CERN would invent time travel in 2001.
  • CERN is depicted in the visual novel/anime series Steins;Gate as SERN, a shadowy organization that has been researching time travel in order to restructure and control the world.
  • In Dan Brown's mystery-thriller novel Angels & Demons and film of the same name, a canister of antimatter is stolen from CERN.WEB,weblink Angels and Demons - the science behind the story, CERN, 29 July 2017,
  • In the popular children's series The 39 Clues, CERN is said to be an Ekaterina stronghold hiding the clue hydrogen.
  • In Robert J. Sawyer's science fiction novel Flashforward, at CERN, the Large Hadron Collider accelerator is performing a run to search for the Higgs boson when the entire human race sees themselves twenty-one years and six months in the future.
  • In season 3 episode 15 of the TV sitcom The Big Bang Theory titled "The Large Hadron Collision", Leonard and Raj travel to CERN to attend a conference and see the LHC.
  • The 2012 student film Decay, which centers on the idea of the Large Hadron Collider transforming people into zombies, was filmed on location in CERN's maintenance tunnels.WEB,weblink Large Hadron Collider Unleashes Rampaging Zombies, Boyle, Rebecca, 31 October 2012, 22 November 2012,
  • The Compact Muon Solenoid at CERN was used as the basis for the Megadeth's Super Collider album cover.
  • In Super Lovers, Haruko (Ren's mother) worked at CERN, and Ren was taught by CERN professors
  • CERN forms part of the back story of the massively multiplayer augmented reality game Ingress.A year of Google Ingress January 2014
  • In season 10 episode 6 of the BBC TV show Doctor Who titled "Extremis", CERN and its physicists are involved in a mysterious plot involving a book that causes everyone who reads it to kill themselves.
  • In 2015, Sarah Charley, US communications manager for LHC experiments at CERN with graduate students Jesse Heilman of the University of California, Riverside, and Tom Perry and Laser Seymour Kaplan of the University of Wisconsin, Madison created a parody video of “Collide” a song by American artist Howie Day.WEB,weblink Musician Howie Day records love song to physics {{!, CERN|website=home.cern|language=en|access-date=2018-11-26}} The lyrics were changed to be from the perspective of a proton in the Large Hadron Collider. After seeing the parody, Day re-recorded the song with the new lyrics and in February, 2017 Day released this new version of "Collide" in a video created during his visit to CERN.NEWS,weblink Howie Day records love song to physics, symmetry magazine, 2018-11-26, en,

See also

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References

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External links

{{Commons|CERN}} {{CERN}}{{Research institutes in Switzerland}}{{Authority control}}

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