Publications [#246011] of Haiyan Gao

Papers Published
  1. Chu, PH; Dennis, A; Fu, CB; Gao, H; Khatiwada, R; Laskaris, G; Li, K; Smith, E; Snow, WM; Yan, H; Zheng, W, Searches for possible T-odd and P-odd short range interactions using polarized nuclei, edited by Lunardi, S; Bizzeti, P; Bucci, C; Chiari, M; Dainese, A; Di Nezza, P; Menegazzo, R; Nannini, A; Signorini, C; Valiente-Dobon, J, EPJ Web of Conferences, vol. 66 (April, 2014), pp. 05003-05003, E D P SCIENCES [doi] .

    Abstract:
    Various theories predict the possible existence of T-odd and P-odd shortrange forces between spin 1/2 fermions, proportional to S· r where S is the fermion spin and r is the separation between particles. We use ensembles of polarized nuclei and an un-polarized mass to search for such a force over sub-mm ranges. We established an improved upper bound on the product g sgpn of the scalar coupling to particles in the un-polarized mass and the pseudo-scalar coupling of polarized neutrons for force ranges from 10-4 to 10-2 m, corresponding to a mass range of 2· 10-3 to 2· 10-5 eV for the exchange boson [1]. © Owned by the authors, published by EDP Sciences, 2014.

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