Observation of Large-Scale Anisotropy of Proton above Tens of TeV with LHAASO-KM2A
Issued Date
2024-09-27
Resource Type
eISSN
18248039
Scopus ID
2-s2.0-85212288149
Journal Title
Proceedings of Science
Volume
444
Rights Holder(s)
SCOPUS
Bibliographic Citation
Proceedings of Science Vol.444 (2024)
Suggested Citation
He J., Zhao S., Guo Y., Zhang Y., Yuan Q., Cao Z., Aharonian F., An Q., Axikegu, Bai Y.X., Bao Y.W., Bastieri D., Bi X.J., Bi Y.J., Cai J.T., Cao Q., Cao W.Y., Cao Z., Chang J., Chang J.F., Chen A.M., Chen E.S., Chen L., Chen L., Chen L., Chen M.J., Chen M.L., Chen Q.H., Chen S.H., Chen S.Z., Chen T.L., Chen Y., Cheng N., Cheng Y.D., Cui M.Y., Cui S.W., Cui X.H., Cui Y.D., Dai B.Z., Dai H.L., Dai Z.G., Danzengluobu, della Volpe D., Dong X.Q., Duan K.K., Fan J.H., Fan Y.Z., Fang J., Fang K., Feng C.F., Feng L., Feng S.H., Feng X.T., Feng Y.L., Gabici S., Gao B., Gao C.D., Gao L.Q., Gao Q., Gao W., Gao W.K., Ge M.M., Geng L.S., Giacinti G., Gong G.H., Gou Q.B., Gu M.H., Guo F.L., Guo X.L., Guo Y.Q., Guo Y.Y., Han Y.A., He H.H., He H.N., He J.Y., He X.B., He Y., Heller M., Hor Y.K., Hou B.W., Hou C., Hou X., Hu H.B., Hu Q., Hu S.C., Huang D.H., Huang T.Q., Huang W.J., Huang X.T., Huang X.Y., Huang Y., Huang Z.C., Ji X.L., Jia H.Y., Jia K., Jiang K., Jiang X.W., Jiang Z.J., Jin M., Kang M.M. Observation of Large-Scale Anisotropy of Proton above Tens of TeV with LHAASO-KM2A. Proceedings of Science Vol.444 (2024). Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/102481
Title
Observation of Large-Scale Anisotropy of Proton above Tens of TeV with LHAASO-KM2A
Author(s)
He J.
Zhao S.
Guo Y.
Zhang Y.
Yuan Q.
Cao Z.
Aharonian F.
An Q.
Axikegu
Bai Y.X.
Bao Y.W.
Bastieri D.
Bi X.J.
Bi Y.J.
Cai J.T.
Cao Q.
Cao W.Y.
Cao Z.
Chang J.
Chang J.F.
Chen A.M.
Chen E.S.
Chen L.
Chen L.
Chen L.
Chen M.J.
Chen M.L.
Chen Q.H.
Chen S.H.
Chen S.Z.
Chen T.L.
Chen Y.
Cheng N.
Cheng Y.D.
Cui M.Y.
Cui S.W.
Cui X.H.
Cui Y.D.
Dai B.Z.
Dai H.L.
Dai Z.G.
Danzengluobu
della Volpe D.
Dong X.Q.
Duan K.K.
Fan J.H.
Fan Y.Z.
Fang J.
Fang K.
Feng C.F.
Feng L.
Feng S.H.
Feng X.T.
Feng Y.L.
Gabici S.
Gao B.
Gao C.D.
Gao L.Q.
Gao Q.
Gao W.
Gao W.K.
Ge M.M.
Geng L.S.
Giacinti G.
Gong G.H.
Gou Q.B.
Gu M.H.
Guo F.L.
Guo X.L.
Guo Y.Q.
Guo Y.Y.
Han Y.A.
He H.H.
He H.N.
He J.Y.
He X.B.
He Y.
Heller M.
Hor Y.K.
Hou B.W.
Hou C.
Hou X.
Hu H.B.
Hu Q.
Hu S.C.
Huang D.H.
Huang T.Q.
Huang W.J.
Huang X.T.
Huang X.Y.
Huang Y.
Huang Z.C.
Ji X.L.
Jia H.Y.
Jia K.
Jiang K.
Jiang X.W.
Jiang Z.J.
Jin M.
Kang M.M.
Zhao S.
Guo Y.
Zhang Y.
Yuan Q.
Cao Z.
Aharonian F.
An Q.
Axikegu
Bai Y.X.
Bao Y.W.
Bastieri D.
Bi X.J.
Bi Y.J.
Cai J.T.
Cao Q.
Cao W.Y.
Cao Z.
Chang J.
Chang J.F.
Chen A.M.
Chen E.S.
Chen L.
Chen L.
Chen L.
Chen M.J.
Chen M.L.
Chen Q.H.
Chen S.H.
Chen S.Z.
Chen T.L.
Chen Y.
Cheng N.
Cheng Y.D.
Cui M.Y.
Cui S.W.
Cui X.H.
Cui Y.D.
Dai B.Z.
Dai H.L.
Dai Z.G.
Danzengluobu
della Volpe D.
Dong X.Q.
Duan K.K.
Fan J.H.
Fan Y.Z.
Fang J.
Fang K.
Feng C.F.
Feng L.
Feng S.H.
Feng X.T.
Feng Y.L.
Gabici S.
Gao B.
Gao C.D.
Gao L.Q.
Gao Q.
Gao W.
Gao W.K.
Ge M.M.
Geng L.S.
Giacinti G.
Gong G.H.
Gou Q.B.
Gu M.H.
Guo F.L.
Guo X.L.
Guo Y.Q.
Guo Y.Y.
Han Y.A.
He H.H.
He H.N.
He J.Y.
He X.B.
He Y.
Heller M.
Hor Y.K.
Hou B.W.
Hou C.
Hou X.
Hu H.B.
Hu Q.
Hu S.C.
Huang D.H.
Huang T.Q.
Huang W.J.
Huang X.T.
Huang X.Y.
Huang Y.
Huang Z.C.
Ji X.L.
Jia H.Y.
Jia K.
Jiang K.
Jiang X.W.
Jiang Z.J.
Jin M.
Kang M.M.
Author's Affiliation
State Key Laboratory of Particle Detection & Electronics
Université Paris Cité
Yunnan Observatories
Nanjing University
Shanghai Astronomical Observatory Chinese Academy of Sciences
Shandong University
Yunnan University
Institute of High Energy Physics, Chinese Academy of Sciences
University of Chinese Academy of Sciences
Guangzhou University
Tsinghua University
Shanghai Jiao Tong University
Sun Yat-Sen University
University of Science and Technology of China
Zhengzhou University
Institiúid Ard-Lénn Bhaile Átha Cliath
Sichuan University
National Astronomical Observatories Chinese Academy of Sciences
Max-Planck-Institut für Kernphysik
Southwest Jiaotong University
Purple Mountain Observatory Chinese Academy of Sciences
Université de Genève
Hebei Normal University
Tibet University
TIANFU Cosmic Ray Research Center
Université Paris Cité
Yunnan Observatories
Nanjing University
Shanghai Astronomical Observatory Chinese Academy of Sciences
Shandong University
Yunnan University
Institute of High Energy Physics, Chinese Academy of Sciences
University of Chinese Academy of Sciences
Guangzhou University
Tsinghua University
Shanghai Jiao Tong University
Sun Yat-Sen University
University of Science and Technology of China
Zhengzhou University
Institiúid Ard-Lénn Bhaile Átha Cliath
Sichuan University
National Astronomical Observatories Chinese Academy of Sciences
Max-Planck-Institut für Kernphysik
Southwest Jiaotong University
Purple Mountain Observatory Chinese Academy of Sciences
Université de Genève
Hebei Normal University
Tibet University
TIANFU Cosmic Ray Research Center
Corresponding Author(s)
Other Contributor(s)
Abstract
We present a measurement for large-scale anisotropy of pure protons with the Large High Altitude Air Shower Observatory (LHAASO). We analyze the data collected from the full array of KM2A in one year’s operation. To select the proton data set, we employed a technique similar to the gamma/background discrimination method in KM2A, using a cut on the ratio of muonic and electron magnetic components. The purity of the proton sample is up to 90%, and the reconstructed energy is from 10 TeV to 270 TeV. We first perform the energy evolution analysis of the dipole anisotropy of protons at this energy range.