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On the first day of the workshop, Professor Zhou Guangzhao, President of the Chinese Academy of Sciences, expressed in his welcome speech the hope that BTCF would be promoted by more effective cooperation between China and the international high energy community.
Professor Zheng Zhipeng, director of IHEP and Professor Wang Shuhong, deputy director of IHEP, demonstrated in their speeches their wills that the workshop would help to improve the initial design of BTCF. They both stressed the importance of international collaboration.
Professor W. K. H. Panofsky, the senior adivisor to the US-China Joint Committee on High Energy Physics, highly praised in his opening address the efforts and achievements made in BTCF project by the Chinese high energy physics community. He wished that BTCF will become an international center for tau-charm physics research.
Some common recognitions have been reached during the workshop, among which are:
1. "The Feasibility Design Report on Beijing Tau-Charm Factory(draft)", having summed up the rich knowledge and experiences in TCF research since 1987 and combined the advantages of a lot of up-to-date technologies, is well qualified for its correct estimation of the scientific value of TCF, the sound judgement on the potential technical difficulties as well as the effective counter measures.
2. Through extensive discussions, much more clearer understanding was gotten concerning the key BTCF technique, just as Professor M. Tigner, advisor to BTCF, summarized, TCF should be the world-level accelerator in the coming years, the technique employed would be the most advanced and effective, namely multibunch, mini-$\beta$ and crossangle collision, as well as superconductivity, radiofrequency and computers. Nevertheless, it is in general not more difficult to construct a TCF than a B-particle factory. In order to master these techniques, preliminary study is absolutely necessary.
3. BTCF should be built under international cooperation. It is hoped that the international high energy physics community can collaborate with Chinese physicists in the BTCF's R&D. During the workshop many talks had been held friendly between IHEP and ANL, SLAC, KEK and Korea delegates to seek the possibility of collaboration in BTCF's construction.
The proceedings of the workshop will be published soon to meet the urgent needs of the researchers.
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February 1996 BEPC News