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高能粒子对撞实验的安全性问题在相对论性重离子对撞机（RHIC）以及大型强子对撞机（L … 高能粒子对撞实验的安全性问题在相对论性重离子对撞机（RHIC）以及大型强子对撞机（LHC）建设和承担任务期间受到了广泛关注和议论。公众担心用于制造新的粒子和物质形态的高能可能会产生有害的物质状态甚至导致全球灾难危机。在LHC即将投入运行的2008年至2010年间，有关其安全性的争论更为激烈。其中涉及到的风险包括产生稳定的微型黑洞或是制造出假定存在的奇异夸克团。这些问题受到了传统媒体、互联网以至法院的关切。 为了回应对于LHC的担忧，欧洲核子研究中心（CERN）委托了一批独立科学家来评估风险。在2003年发表的报告中，他们总结道，目前的粒子实验，例如RHIC和LHC中的粒子碰撞，不会产生任何威胁。CERN之后又委托了一批隶属于中心但不参与LHC项目的物理学家做了另一次评估。在2008年发表的报告中，他们基于对于安全性的新的研究结果重申了LHC对撞实验的安全性。这份报告得到了20位CERN外部科学家组成的委员会和美国物理学会粒子和场部执行委员会的审核和认可，随后在受同行评审的刊物《》中发表。发行这一刊物的英国物理学会也认可报告的结论。 报告排除了大型强子对撞机导致全球灾难危机的可能性，并表示LHC、RHIC以及其他实验中的物理情形和碰撞事件在宇宙中自发而定期地发生，而没有导致有害的后果。比如地球上观测到的所具有的能量就比人造粒子对撞高得多。地发生，而没有导致有害的后果。比如地球上观测到的所具有的能量就比人造粒子对撞高得多。
, Некоторые специалисты, а также простые граждане, поднимают вопросы по безопасности Большого адронного коллайдера. Эти вопросы имеют заметный резонанс в средствах массовой информации.
, Les médias, l'internet et les tribunaux se … Les médias, l'internet et les tribunaux se sont fait l'écho de préoccupations au sujet de la sécurité des expériences sur la physique des particules prévues dans le Large Hadron Collider (LHC), le plus grand et le plus puissant accélérateur de particules du monde à ce jour, construit par l'Organisation européenne pour la recherche nucléaire (CERN) près de Genève en Suisse. Les dangers supposés des collisions de particules au LHC qui sont planifiées à partir de l'automne 2009, sont des scénarios d'apocalypse impliquant la création de trous noirs et de particules hypothétiques nommées strangelets. Pour répondre à ces préoccupations, le CERN a chargé un groupe de scientifiques indépendants d'examiner ces scénarios. Dans un rapport publié en 2003, ils ont conclu que, comme les expériences actuelles de particules tels que celles qui sont menées dans le Relativistic Heavy Ion Collider (RHIC), les collisions de particules ne posent pas de menace concevable. Un deuxième examen de la preuve demandée par le CERN a été publié en 2008. Le rapport, préparé par un groupe de physiciens non impliqués dans les expériences du LHC, a réaffirmé la sécurité des collisions du LHC à la lumière de nouvelles recherches menées depuis l'évaluation de 2003. Un comité du CERN composé de 20 scientifiques externes et par le Comité exécutif de la Division des particules et les champs de la Société américaine de physique a approuvé un rapport et a été plus tard publié après avoir été passé en revue par les pairs de l'Institut de physique du Royaume-Uni qui a également approuvé les conclusions. Le rapport exclut tout scénario apocalyptique au LHC : les conditions physiques et des événements qui vont être créés au cours des expériences se produisent naturellement dans l'univers sans avoir des conséquences dangereuses. Le 10 août 2008, Rainer Plaga, un astrophysicien allemand a publié un mémoire de recherche sur arXiv. Il conclut que les études de sécurité du LHC n'ont pas traité de la menace potentiellement catastrophique des trous noirs microscopiques et le danger de radiations de Hawking émises par les trous noirs. Otto Rössler, professeur de chimie à l'université de Tübingen estime que les micro trous noirs créés au LHC pourraient croître exponentiellement. LHC pourraient croître exponentiellement.
, Algumas questões têm sido levantadas, na m … Algumas questões têm sido levantadas, na mídia e entre alguns cientistas, sobre a segurança das experiências no Grande Colisor de Hádrons, "LHC". O objetivo deste artigo é esclarecer até que ponto tais questionamentos têm fundamento. Trata-se da maior máquina e do mais poderoso acelerador de partículas construído, a cargo da Organização Europeia de Pesquisa Nuclear (CERN), perto de Genebra, na Suíça. O alegado perigo de partículas LHC e das colisões, que se espera começar na primavera de 2009, incluem cenários apocalípticos que envolvem a produção estáveis de micro buracos negros e da criação de hipotéticas partículas chamadas strangelets. A par das preocupações, o CERN nomeou um grupo de cientistas independentes para investigar a possibilidade desses cenários. Em um relatório divulgado em 2003, eles concluíram que, à semelhança de experiências atuais, colisões de partículas como as do Heavy Ion Collider (RHIC), as concebíveis no LHC também seriam inócuas. Uma segunda revisão das provas encomendado pelo CERN foi publicada em 2008. O relatório, elaborado por um grupo de físicos que não estão envolvidos nos experimentos do LHC, reafirmou a segurança das colisões no LHC. [6] [7] Foi revisto e aprovado por uma comissão do CERN de 20 cientistas externos e pelo Comitê Executivo da Divisão de Partículas e Campos da American Physical Society, [8] [9], e mais tarde foi publicado na Journal of Physics G pelo Instituto de Física do Reino Unido, que também subscreveu suas conclusões. [6]que também subscreveu suas conclusões. [6]
, The safety of high energy particle collisi … The safety of high energy particle collisions was a topic of widespread discussion and topical interest during the time when the Relativistic Heavy Ion Collider (RHIC) and later the Large Hadron Collider (LHC)—currently the world's largest and most powerful particle accelerator—were being constructed and commissioned. Concerns arose that such high energy experiments—designed to produce novel particles and forms of matter—had the potential to create harmful states of matter or even doomsday scenarios. Claims escalated as commissioning of the LHC drew closer, around 2008–2010. The claimed dangers included the production of stable micro black holes and the creation of hypothetical particles called strangelets, and these questions were explored in the media, on the Internet and at times through the courts. To address these concerns in the context of the LHC, CERN mandated a group of independent scientists to review these scenarios. In a report issued in 2003, they concluded that, like current particle experiments such as the RHIC, the LHC particle collisions pose no conceivable threat. A second review of the evidence commissioned by CERN was released in 2008. The report, prepared by a group of physicists affiliated to CERN but not involved in the LHC experiments, reaffirmed the safety of the LHC collisions in light of further research conducted since the 2003 assessment. It was reviewed and endorsed by a CERN committee of 20 external scientists and by the Executive Committee of the Division of Particles & Fields of the American Physical Society, and was later published in the peer-reviewed Journal of Physics G by the UK Institute of Physics, which also endorsed its conclusions. The report ruled out any doomsday scenario at the LHC, noting that the physical conditions and collision events which exist in the LHC, RHIC and other experiments occur naturally and routinely in the universe without hazardous consequences, including ultra-high-energy cosmic rays observed to impact Earth with energies far higher than those in any man-made collider.igher than those in any man-made collider.
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高能粒子对撞实验的安全性问题在相对论性重离子对撞机（RHIC）以及大型强子对撞机（L … 高能粒子对撞实验的安全性问题在相对论性重离子对撞机（RHIC）以及大型强子对撞机（LHC）建设和承担任务期间受到了广泛关注和议论。公众担心用于制造新的粒子和物质形态的高能可能会产生有害的物质状态甚至导致全球灾难危机。在LHC即将投入运行的2008年至2010年间，有关其安全性的争论更为激烈。其中涉及到的风险包括产生稳定的微型黑洞或是制造出假定存在的奇异夸克团。这些问题受到了传统媒体、互联网以至法院的关切。 为了回应对于LHC的担忧，欧洲核子研究中心（CERN）委托了一批独立科学家来评估风险。在2003年发表的报告中，他们总结道，目前的粒子实验，例如RHIC和LHC中的粒子碰撞，不会产生任何威胁。CERN之后又委托了一批隶属于中心但不参与LHC项目的物理学家做了另一次评估。在2008年发表的报告中，他们基于对于安全性的新的研究结果重申了LHC对撞实验的安全性。这份报告得到了20位CERN外部科学家组成的委员会和美国物理学会粒子和场部执行委员会的审核和认可，随后在受同行评审的刊物《》中发表。发行这一刊物的英国物理学会也认可报告的结论。 报告排除了大型强子对撞机导致全球灾难危机的可能性，并表示LHC、RHIC以及其他实验中的物理情形和碰撞事件在宇宙中自发而定期地发生，而没有导致有害的后果。比如地球上观测到的所具有的能量就比人造粒子对撞高得多。地发生，而没有导致有害的后果。比如地球上观测到的所具有的能量就比人造粒子对撞高得多。
, Некоторые специалисты, а также простые граждане, поднимают вопросы по безопасности Большого адронного коллайдера. Эти вопросы имеют заметный резонанс в средствах массовой информации.
, Algumas questões têm sido levantadas, na mídia e entre alguns cientistas, sobre a segurança das experiências no Grande Colisor de Hádrons, "LHC". O objetivo deste artigo é esclarecer até que ponto tais questionamentos têm fundamento.
, The safety of high energy particle collisi … The safety of high energy particle collisions was a topic of widespread discussion and topical interest during the time when the Relativistic Heavy Ion Collider (RHIC) and later the Large Hadron Collider (LHC)—currently the world's largest and most powerful particle accelerator—were being constructed and commissioned. Concerns arose that such high energy experiments—designed to produce novel particles and forms of matter—had the potential to create harmful states of matter or even doomsday scenarios. Claims escalated as commissioning of the LHC drew closer, around 2008–2010. The claimed dangers included the production of stable micro black holes and the creation of hypothetical particles called strangelets, and these questions were explored in the media, on the Internet and at times througmedia, on the Internet and at times throug
, Les médias, l'internet et les tribunaux se … Les médias, l'internet et les tribunaux se sont fait l'écho de préoccupations au sujet de la sécurité des expériences sur la physique des particules prévues dans le Large Hadron Collider (LHC), le plus grand et le plus puissant accélérateur de particules du monde à ce jour, construit par l'Organisation européenne pour la recherche nucléaire (CERN) près de Genève en Suisse. Les dangers supposés des collisions de particules au LHC qui sont planifiées à partir de l'automne 2009, sont des scénarios d'apocalypse impliquant la création de trous noirs et de particules hypothétiques nommées strangelets.ticules hypothétiques nommées strangelets.
|
| rdfs:label |
Segurança do Grande Colisor de Hádrons
, Safety of high-energy particle collision experiments
, Вопросы безопасности Большого адронного коллайдера
, 高能粒子对撞实验的安全性
, Sécurité des collisions de particules au Large Hadron Collider
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