Supported by the National Key R&D Program of China(G2023YFA1606403,2023YFE0101500);the National Natural Science Foundation of China(12335007,11961141003);the funding support from the State Key Laboratory of Nuclear Physics and Technology,Peking University(NPT2023ZX01)。
The recent measurements of neutron skins via parity violation in electron scattering have extracted an abnormally thick neutron skin for 208 Pb,which has significant consequences in nuclear equation of state(EoS)and n...
Supported by the National Natural Science Foundation of China (11975113)。
The fission yield data in the 14 MeV energy neutron induced fission of^(238)U play an important role in decay heat calculations and generation-Ⅳ reactor designs.In order to accurately measure fission product yields(F...
Supported in part by the Natural Science Foundation of China (11875053, 12035016);support from the National Postdoctoral Program for Innovative Talents (BX2021303);funded by China Postdoctoral Science Foundation
The Large High Altitude Air Shower Observatory(LHAASO)has reported the measurement of photons with high energies of up to 1.42 PeV from twelve gamma-ray sources.We are concerned with the implications of the LHAASO dat...
Supported in part by National Key Research and Development Program of China(2020YFA0406300,2020YFA0406400);National Natural Science Foundation of China(NSFC)(11625523,11635010,11735014,11822506,11835012,11935015,11935016,11935018,11961141012);the Chinese Academy of Sciences(CAS)Large-Scale Scientific Facility Program;Joint Large-Scale Scientific Facility Funds of the NSFC and CAS(U1732263,U1832207);CAS Key Research Program of Frontier Sciences(QYZDJ-SSW-SLH003,QYZDJ-SSW-SLH040);100 Talents Program of CAS,INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology,ERC(758462);European Union Horizon 2020 research and innovation programme(Marie Sklodowska-Curie grant agreement No 894790);German Research Foundation DFG(443159800);Collaborative Research Center CRC 1044,FOR 2359,FOR 2359,GRK 214;Istituto Nazionale di Fisica Nucleare,Italy,Ministry of Development of Turkey(DPT2006K-120470);National Science and Technology fund,Olle Engkvist Foundation(200-0605);STFC(United Kingdom);The Knut and Alice Wallenberg Foundation(Sweden)(2016.0157);The Royal Society,UK(DH140054,DH160214);The Swedish Research Council,U.S.Department of Energy(DE-FG02-05ER41374,DE-SC-0012069)。
During the 2016-17 and 2018-19 running periods,the BESIII experiment collected 7.5 fb of e^(+)e^(-)collision data at center-of-mass energies ranging from 4.13 to 4.44 GeV.These data samples are primarily used for the ...
Supported by the National Key Program for S&T Research and Development(2016YFA0400400);National Natural Science Foundation of China(NSFC)(11705028);Fundamental Research Funds for the Central Universities(2242015K40027 and 2242017K40018);Provincial Innovation and Entrepreneurship Training Program for Undergraduate(201710286068X);Beijing Municipal Science and Technology Commission project(Z181100004218003)
The high-precision measurement of Higgs boson properties is one of the primary goals of the Circular Electron Positron Collider(CEPC).The measurements ofH→b■/c■/gg decay branching fraction in the CEPC experiment is...
Supported in part by National Natural Science Foundation of China(NSFC)(11235011,11475187,11521505,U1632106);the Ministry of Science and Technology of China(2015CB856701);Key Research Program of Frontier Sciences,CAS,(QYZDJ-SSW-SLH011);the CAS Center for Excellence in Particle Physics(CCEPP)
The exclusive Born cross sections of the production of D0, D+ and Ds+ mesons in e+e- annihilation at 13 energy points between 3.970 and 4.260 GeV are obtained by applying corrections for initial state radiation and...
Supported by Foundation of Key Laboratory of Neutron Physics,China Academy of Engineering Physics(2012AA01,2014AA01);National Natural Science Foundation(11375158,91326104)
A perturbation method is proposed to obtain the effective delayed neutron fraction βeff of a cylindrical highly enriched uranium reactor. Based on reactivity measurements with and without a sample at a specified posi...
A plastic scintillation detector was used to measure the yield of deuterium-deuterium (DD) neutrons or deuterium-tritium (DT) neutrons. Collisions of fast neutrons with hydrogen nucleus in a scintillator generated...
Supported by National Natural Science Foundation of China(11105106,11275150,11175142,11275154)
Simulations from Laboratory Sourceless Object Counting System (LabSOCS) software were used to determine self-attenuation correction factor, which is defined as the efficiency ratio of the sample with the absorbing m...
Supported by National Natural Science Foundation of China (11105160, 11005117)
An attenuation length measurement device was constructed using an oscilloscope and LabVIEW for signal acquisition and processing. The performance of the device has been tested in a variety of ways. The test results sh...