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Galbiati½ÌÊÚ³¤ÆÚ´ÓÊÂÖÐ΢×ӺͰµÎïÖÊÏà¹ØÎïÀíʵÑéµÄÑо¿¹¤×÷¡£2017Ä꣬ΪÁ˸üºÃµØ½¨ÉèDarkSide-50ʵÑéµÄÏÂÒ»´úʵÑéDarkSide-20k£¬Galbiati½ÌÊÚÕûºÏÁËÈ«ÊÀ½çËùÓÐÆÚÍûÒº·ú½øÐаµÎïÖÊ̽²âµÄÎïÀíѧ¼Ò£¬³ÉÁ¢ÁËÈ«Çò·ú°µÎïÖʺÏ×÷×é¡£¾ÝϤ£¬Ä¿Ç°ÕýÔÚ½øÐеÄDarkSide-20k¹ú¼Ê°µÎïÖÊʵÑ飬ÆäʵÑéÓõĺËÐÄ¿ÆÑÐ×°±¸Ñ¡Ôñ55ÊÀ¼Í²ÄÁÏ¡£´Ë²ÄÁϵĿÆÑк¬Á¿Ï൱¸ß£¬Ðë¾ß±¸ÄܳÐÊÜÁãÏÂ200¡æ¡¢¿¹ÖÐ×ÓµÄÐÔÄÜ£¬¹ú¼ÊÐÐÒµÄÚĿǰ»¹Ã»ÓдËÀà²ÄÁÏ¡£

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Galbiati½ÌÊÚÒ»Ðб¾´Î²Î¹ÛÁË55ÊÀ¼Í¿Æ¼¼µÄÑз¢ÖÐÐÄ¡¢Éú²úÏߣ¬ÒÔ¼°JUNOµÄרҵÉú²úÏߣ¬²¢Óë55ÊÀ¼ÍµÄÑз¢ÍŶӾÍÒÔºóµÄ¹²Í¬Ñз¢¡¢ÖÆ×÷¼Ó¹¤½øÐÐÁËÉîÈëÌÖÂÛ¡£Galbiati½ÌÊÚÔڲɷÃÖжÔ55ÊÀ¼ÍרҵµÄÔ±¹¤¡¢¸ßÖÊÁ¿µÄÉ豸ÒÔ¼°¶¥¼âµÄÅ䱸×Ô¶¯»¯¸ß´¿¶È¿ØÖƵÄÉú²úÄÜÁ¦±íʾÁ˸߶ȵĿ϶¨¡£

Q£ºWhy you choose Donchamp for this dark matter experiment£¿

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A£ºWe choose Donchamp because we need the highest purity standards, we come from the tradition of ultra high performance neutrino experiments.

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Our collaboration there are people from the SNOlab experiment, (which) won the 2015 noble prize for physics for the discovery of the neutrino masses oscillations.

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There are people from the Borexino collaboration who completed the measurement of the anti-solar-neutrino spectrum.

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And we have learned from the engagement of Donchamp with Jiangmen neutrino experiment (JUNO) and it¡¯s excellent performance for the control of radiopurity and radioactivity.

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This is why we choose Donchamp.

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Q£ºWhat is your impression after the visit to the Donchamp site?

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A£ºToday, I could visit the research and development center of Donchamp and the production line, as well as the special production line for low radioactivity for the products for the Jiangmen neutrino experiment JUNO.

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I was extremely impressed with the professionality of the staff, with the quality of the facility, and with its capability to deliver top notch acrylic with ultra high purity controls.

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