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- The search for the Higgs boson was a 40-year effort by physicists to prove the existence or non-existence of the Higgs boson, first theorised in the 1960s. The Higgs boson was the last unobserved fundamental particle in the Standard Model of particle physics, and its discovery was described as being the "ultimate verification" of the Standard Model. In March 2013, the Higgs boson was officially confirmed to exist. This confirmed answer proved the existence of the hypothetical Higgs field—a field of immense significance that is hypothesised as the source of electroweak symmetry breaking and the means by which elementary particles acquire mass. Symmetry breaking is considered proven but confirming exactly how this occurs in nature is a major unanswered question in physics. Proof of the Higgs field (by observing the associated particle) validates the final unconfirmed part of the Standard Model as essentially correct, avoiding the need for alternative sources for the Higgs mechanism. Evidence of its properties is likely to greatly affect human understanding of the universe and open up "new" physics beyond current theories. Despite their importance, the search and the proof were extremely difficult and took decades, because direct production, detection and verification of the Higgs boson on the scale needed to confirm the discovery and learn its properties required a very large experimental project and huge computing resources. For this reason, most experiments until around 2011 aimed to exclude ranges of masses that the Higgs could not have. Ultimately the search led to the construction of the Large Hadron Collider (LHC) in Geneva, Switzerland, the largest particle accelerator in the world, designed especially for this and other high-energy tests of the Standard Model. (en)
- 希格斯玻色子的實驗探索(search for the Higgs boson)指的是從實驗中證實希格斯玻色子存在與否?這是一個極為重要的基礎物理問題。物理學者花費四十多年時間尋找它。至今為止,全世界最昂貴、最複雜的實驗設施之一,大型強子對撞機(LHC),其建成的主要目的之一就是尋找與觀察希格斯玻色子與其它種粒子。2012年7月4日,歐洲核子研究組織(CERN)宣布,LHC的緊湊渺子線圈(CMS)探测到质量为125.3±0.6GeV的新玻色子(超過背景期望值4.9个标准差),超環面儀器(ATLAS)测量到质量为126.5GeV的新玻色子(5个标准差),这两種粒子极像希格斯玻色子。2013年3月14日,歐洲核子研究組織發表新聞稿正式宣布,先前探測到的新粒子是希格斯玻色子,並且暫時確認具有偶宇稱與零自旋,這是希格斯玻色子應該具有的兩種基本性質,但有一部分實驗結果不盡符合理論預測,更多數據仍舊等待處理與分析。 2013年10月8日,因為“次原子粒子質量的生成機制理論,促進了人類對這方面的理解,並且最近由歐洲核子研究組織屬下大型強子對撞機的超環面儀器及緊湊緲子線圈探測器發現的基本粒子證實”,弗朗索瓦·恩格勒、彼得·希格斯榮獲2013年諾貝爾物理學獎。 本篇文章從下段落起,將希格斯玻色子簡稱為「希子」。 (zh)
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- 希格斯玻色子的實驗探索(search for the Higgs boson)指的是從實驗中證實希格斯玻色子存在與否?這是一個極為重要的基礎物理問題。物理學者花費四十多年時間尋找它。至今為止,全世界最昂貴、最複雜的實驗設施之一,大型強子對撞機(LHC),其建成的主要目的之一就是尋找與觀察希格斯玻色子與其它種粒子。2012年7月4日,歐洲核子研究組織(CERN)宣布,LHC的緊湊渺子線圈(CMS)探测到质量为125.3±0.6GeV的新玻色子(超過背景期望值4.9个标准差),超環面儀器(ATLAS)测量到质量为126.5GeV的新玻色子(5个标准差),这两種粒子极像希格斯玻色子。2013年3月14日,歐洲核子研究組織發表新聞稿正式宣布,先前探測到的新粒子是希格斯玻色子,並且暫時確認具有偶宇稱與零自旋,這是希格斯玻色子應該具有的兩種基本性質,但有一部分實驗結果不盡符合理論預測,更多數據仍舊等待處理與分析。 2013年10月8日,因為“次原子粒子質量的生成機制理論,促進了人類對這方面的理解,並且最近由歐洲核子研究組織屬下大型強子對撞機的超環面儀器及緊湊緲子線圈探測器發現的基本粒子證實”,弗朗索瓦·恩格勒、彼得·希格斯榮獲2013年諾貝爾物理學獎。 本篇文章從下段落起,將希格斯玻色子簡稱為「希子」。 (zh)
- The search for the Higgs boson was a 40-year effort by physicists to prove the existence or non-existence of the Higgs boson, first theorised in the 1960s. The Higgs boson was the last unobserved fundamental particle in the Standard Model of particle physics, and its discovery was described as being the "ultimate verification" of the Standard Model. In March 2013, the Higgs boson was officially confirmed to exist. (en)
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- Search for the Higgs boson (en)
- 希格斯玻色子的實驗探索 (zh)
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