CERN Accelerating science

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1.
Chargino-pair productions via Drell-Yan process at the LHC / Zhou Hong ; Ma Wen Gan ; Han Liang ; Jiang Yi ; Zhou Mian Lai
We present the analytical and numerical investigations of chargino- pair productions via Drell-Yan process at proton-proton collider in the frame of minimal supersymmetric extension at tree level. For the chi /sub i//sup -/ chi /sub j//sup -/(i, j=1, 2) pair productions at the LHC, the cross section is in the order of 3~2.5*10/sup -3/ pb. [...]
2000 - Published in : Commun. Theor. Phys. 34 (2000) 669-76
2.
Single chargino production via gluon-gluon fusion in a supersymmetric theory with an explicit R-parity violation / Wan Lang Hui ; Ma Wen Gan ; Yin Xi ; Jiang Yi ; Han Liang
We studied the production of a single chargino chi /sub 1//sup +or-/ accompanied by a mu /sup +or-/ lepton via gluon-gluon fusion at the LHC. The numerical analysis of their production rates was carried out in the mSUGRA scenario with some typical parameter sets. [...]
2001 - Published in : J. Phys. G 27 (2001) 203-15
3.
Improved calculation of $W^{pm}H^{mp}$ associated production via gluon-gluon fusion at the CERN LHC / Zhou Fei ; Wen Gan Ma ; Jiang Yi ; Han Liang ; Wan Lang Hui
The production process for the charged Higgs boson associated with the W boson via gluon-gluon fusion at the CERN large hadron collider (LHC) in the minimal supersymmetric standard model (MSSM) is investigated with one-loop diagrams of both quarks and scalar quarks. We find the contribution from the scalar quark loops can be comparable with those from quark loop diagrams and could decrease or enhance the cross section substantially in some parameter space. [...]
2001 - Published in : Phys. Rev. D 63 (2001) 015002/1-12

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