散裂中子源可产生白光中子,具有中子注量率高、热功率小、可脉冲化等优点,其应用十分广泛。其中一个重要的应用是核数据测量。目前,中国缺少白光中子源,因此一直没有开展基于白光中子源的核数据测量工作。目前在建的中国散裂中子源(China Spallation Neutron Source,CSNS)的反角中子束线,在距散裂靶80 m处的中子强度约为9.25× Spallation neutron source can produce white light neutron, with neutron fluence rate, thermal power, pulsatile, etc., its application is very wide. One of the important applications is nuclear data measurement. At present, China lacks the white neutron source, so no nuclear data measurement based on the white neutron source has been carried out. At present, the contractile neutron beam line of China Spallation Neutron Source (CSNS) under construction has a neutron intensity of about 9.25 × at 80 m away from the spallation target