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Search for light dark matter from atmosphere in PandaX-4T
Xuyang Ning, Abdusalam Abdukerim, Zihao Bo +92
We report a search for light dark matter produced through the cascading decay of mesons, which are created as a result of inelastic collisions between cosmic rays and Earth's a…
Constraints on the axial-vector and pseudo-scalar mediated WIMP-nucleus interactions from PandaX-4T experiment
Zhou Huang, Chencheng Han, Abdusalam Abdukerim +88
We present the constraints on the axial-vector and pseudo-scalar mediated WIMP-nucleus interactions from the PandaX-4T experiment, using the data set corresponding to a total expos…
Neutron-induced nuclear recoil background in the PandaX-4T experiment
Zhou Huang, Guofang Shen, Qiuhong Wang +77
Neutron-induced nuclear recoil background is critical to the dark matter searches in the PandaX-4T liquid xenon experiment. This paper studies the feature of neutron background in…
A First Search for Solar B Neutrino in the PandaX-4T Experiment using Neutrino-Nucleus Coherent Scattering
Wenbo Ma, Abdusalam Abdukerim, Chen Cheng +88
A search for interactions from solar B neutrinos elastically scattering off xenon nuclei using PandaX-4T commissioning data is reported. The energy threshold of this search is…
A Search for Light Fermionic Dark Matter Absorption on Electrons in PandaX-4T
Dan Zhang, Abdusalam Abdukerim, Zihao Bo +89
We report a search on a sub-MeV fermionic dark matter absorbed by electrons with an outgoing active neutrino using the 0.63 tonne-year exposure collected by PandaX-4T liquid xenon…
A search for two-component Majorana dark matter in a simplified model using the full exposure data of PandaX-II experiment
Ying Yuan, Abdusalam Abdukerim, Zihao Bo +75
In the two-component Majorana dark matter model, one dark matter particle can scatter off the target nuclei, and turn into a slightly heavier component. In the framework of a simpl…
First search for the absorption of fermionic dark matter with the PandaX-4T experiment
Linhui Gu, Abdusalam Abdukerim, Zihao Bo +86
Compared with the signature of dark matter elastic scattering off nuclei, the absorption of fermionic dark matter by nuclei opens up a new searching channel for light dark matter w…
Study of background from accidental coincidence signals in the PandaX-II experiment
II Collaboration, Abdusalam Abdukerim, Wei Chen +63
The PandaX-II experiment employed a 580kg liquid xenon detector to search for the interactions between dark matter particles and the target xenon atoms. The accidental coincidences…
A Search for the Cosmic Ray Boosted Sub-GeV Dark Matter at the PandaX-II Experiment
Xiangyi Cui, Abdusalam Abdukerim, Zihao Bo +76
We report a novel search for the cosmic ray boosted dark matter using the 100~tonneday full data set of the PandaX-II detector located at the China Jinping Underground Labor…
Dark Matter Search Results from the PandaX-4T Commissioning Run
Yue Meng, Zhou Wang, Yi Tao +76
We report the first dark matter search results using the commissioning data from PandaX-4T. Using a time projection chamber with 3.7-tonne of liquid xenon target and an exposure of…
Constraining self-interacting dark matter with the full dataset of PandaX-II
Jijun Yang, Abdusalam Abdukerim, Wei Chen +69
Self-interacting Dark Matter (SIDM) is a leading candidate proposed to solve discrepancies between predictions of the prevailing cold dark matter theory and observations of galaxie…
Search for Light Dark Matter-Electron Scatterings in the PandaX-II Experiment
Chen Cheng, Pengwei Xie, Abdusalam Abdukerim +67
We report constraints on light dark matter through its interactions with shell electrons in the PandaX-II liquid xenon detector with a total 46.9 tonneday exposure. To effec…
An Improved Evaluation of the Neutron Background in the PandaX-II Experiment
Qiuhong Wang, Abdusalam Abdukerim, Wei Chen +60
In dark matter direct detection experiments, neutron is a serious source of background, which can mimic the dark matter-nucleus scattering signals. In this paper, we present an imp…
PandaX-II Constraints on Spin-Dependent WIMP-Nucleon Effective Interactions
Jingkai Xia, Abdusalam Abdukerim, Xun Chen +57
We present PandaX-II constraints on candidate WIMP-nucleon effective interactions involving the nucleon or WIMP spin, including, in addition to standard axial spin-dependent (SD) s…
Limits on light WIMPs with a 1 kg-scale germanium detector at 160 eVee physics threshold at the China Jinping Underground Laboratory
L. T. Yang, H. B. Li, Q. Yue +65
We report results of a search for light weakly interacting massive particle (WIMP) dark matter from the CDEX-1 experiment at the China Jinping Underground Laboratory (CJPL). Constr…
The first result on 76Ge neutrinoless double beta decay from CDEX-1 experiment
Li Wang, Qian Yue, KeJun Kang +69
We report the first result on Ge-76 neutrinoless double beta decay from CDEX-1 experiment at China Jinping Underground Laboratory. A mass of 994 g p-type point-contact high purity…
Observation of near = 4.42 and 4.6 GeV
M. Ablikim, M. N. Achasov, X. C. Ai +410
Based on data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies 4.4 GeV, the processes $e^+e^- \rightarrow ωχ_…
Observation of the first iso-spin Charmonium-like State }
Qing-Ping Ji, Yu-Ping Guo, Ai-Qiang Guo +2
In this paper, we present a new experimental progress in brief on the recent observation of the charged charmonium-like state Z_c(4020)^{+/-} states and its iso-spin partner Z_c(40…
Precision measurement of the integrated luminosity of the data taken by BESIII at center of mass energies between 3.810 GeV and 4.600 GeV
M. Ablikim, M. N. Achasov, X. C. Ai +408
From December 2011 to May 2014, about 5 of data were taken with the BESIII detector at center-of-mass energies between 3.810 GeV and 4.600 GeV to study the charmonium…
Observation of a near-threshold enhancement in th p pbar mass spectrum from radiative J/psi-->gamma p pbar decays
BES Collaboration, J. Z. Bai, Y. Ban +1
We observe a narrow enhancement near 2mp in the invariant mass spectrum of ppbar pairs from radiative J/psi-->gamma ppbar decays. The enhancement can be fit with either an S- or P-…
Psi(2S) two- and three-body hadronic decays
BES Collaboration, J. Z. Bai
We report measurements of branching fractions for psi(2S) decays into omega pi pi, b1 pi,omega f2(1270),omega KK, omega p pbar, phi pi pi, phi f0(980),phi KK, and an upper limit fo…
Determination of the J/psi Leptonic Branching Fraction via psi(2S) -> pi^+ pi^- J/psi
J. Z. Bai
A comparison of the rates for psi(2S) -> pi^+ pi^- J/psi, J/psi -> l^+l^- and J/psi -> anything is used to determine the J/psi leptonic branching fractions. The results are B(J/psi…