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Nobel prize laureate shares story of discovering J/psi meson with one in a billion odds

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      Nobel prize laureate shares story of discovering J/psi meson with one in a billion odds

      2024-11-01 18:59 Last Updated At:11-02 00:57

      Nobel Prize in Physics laureate Prof. Samuel Ting has shared his story of discovering the J/psi meson, a subatomic particle that sheds new light on the theory that there existed a fourth quark, with one in a billion odds.

      Ting, who discovered the particle in 1974 and received the Nobel Prize two years later, shared his story in an interview with China Media Group while attending a symposium commemorating the 50th anniversary of the discovery of the J/psi meson in Beijing on Oct. 20.

      The finding marked "a pivotal moment" in the understanding of the subatomic world, which was referred to "November Revolution of the Particle Physics", said the Institute of High Energy Physics of the Chinese Academy of Sciences, host of the symposium, in a statement.

      "[The experiment] was really difficult. The experimental equipment we needed should have an accuracy of as high as one part per billion. It is like, if it rains in Beijing, and there is one red raindrop among a billion fell in one second, we need to find it out. This was widely considered as impossible. Some laboratories that had particle accelerators in Europe and the United States refused to do the experiment. Finally, it was accepted by the Brookhaven National Laboratory in the United States," said Ting.

      Also speaking at the symposium, Ting's friends recounted how they reacted to Ting's extraordinary finding when hearing about it.

      "Was I shocked. I was wakened out of a deep sleep when Doctor Ting phoned me and said I should come to his office. He did not explain why. So, I got dressed, and I got into my car, and I drove to MIT (Massachusetts Institute of Technology) and found his office. He explained to me what he had done and showed me a picture of his experimental results. And I was absolutely flabbergasted. It was something extraordinary, very difficult to understand, and I think I said to him 'please give me a moment to think about this," said Sheldon Glashow a friend of Ting and a winner of Nobel Prize in Physics in 1979.

      "I was in Italy at the time, so, the thing was not so instantaneous as Shelly, but I must say that the particle came out with some surprising qualities," said Luciano Maiani, former director-general of the European Organization for Nuclear Research.

      Nobel prize laureate shares story of discovering J/psi meson with one in a billion odds

      Nobel prize laureate shares story of discovering J/psi meson with one in a billion odds

      Nobel prize laureate shares story of discovering J/psi meson with one in a billion odds

      Nobel prize laureate shares story of discovering J/psi meson with one in a billion odds

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      Chinese FM meets with new Sudanese counterpart

      2025-05-15 01:12 Last Updated At:02:17

      Chinese Foreign Minister Wang Yi met with Omer Mohamed Ahmed Siddig, the outgoing Sudanese ambassador to China and the newly appointed foreign minister of Sudan, in Beijing on Wednesday.

      Wang, also a member of the Political Bureau of the Communist Party of China Central Committee, congratulated Siddig on his assumption of office as Sudanese foreign minister, and expressed appreciation for his contributions to promoting the development of China-Sudan relations during his tenure as ambassador to China.

      Noting that this year marks the 10th anniversary of the establishment of the strategic partnership between China and Sudan, Wang called on both sides to implement the important consensus reached between the two heads of state, promote continuous fruitful results in the bilateral relations, and bring benefits to the two peoples.

      China supports Sudan firmly in safeguarding its sovereignty, independence and territorial integrity, and supports Sudan in achieving peace, stability and development at an early date, said Wang, adding that China will continue to provide humanitarian assistance within its own capacity.

      Siddig said that Sudan regards China as its most important partner and a trustworthy friend, prioritizes cooperation with China, and will continue to support China firmly in safeguarding its core interests.

      As the new foreign minister, he will continue to spare no effort to promote the development of the Sudan-China strategic partnership, and will work collaboratively to implement a series of important global initiatives proposed by China.

      Chinese FM meets with new Sudanese counterpart

      Chinese FM meets with new Sudanese counterpart

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