1.

$P$wave contributions to $B\to \psi \pi \pi $ decays in the perturbative QCD approach
/ Rui, Zhou ; Li, Ya ; Li, Hsiangnan
We present the differential branching fractions for the $B\to \psi \pi \pi $ decays with the charmonia $\psi =J/\psi ,\psi \left(2S\right)$ in the invariant mass of the $P$wave pion pairs in the perturbative QCD approach. [...]
Published in Physical Review D 98 (2018)
10.1103/PhysRevD.98.113003
arXiv:1809.04754

2.

Improved perturbative QCD formalism for ${B}_{c}$ meson decays
/ Liu, Xin ; Li, Hsiangnan ; Xiao, ZhenJun
We derive the ${k}_{T}$ resummation for doubly heavyflavored ${B}_{c}$ meson decays by including the charm quark mass effect into the known formula for a heavylight system. [...]
Published in Physical Review D 97 (2018)
10.1103/PhysRevD.97.113001
arXiv:1801.06145
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3.

D0D̄0 mixing parameter y in the factorizationassisted topologicalamplitude approachSupported by National Natural Science Foundation of China (11347027, 11505083, 11375208, 11521505, 1162113100, 11235005, U1732101), Ministry of Science and Technology of R.O.C. (MOST1042112M001037MY3) and DFG Forschergruppe FOR 1873 “Quark Flavour Physics and Effective Field Theories”
/ Jiang, HuaYu ; Yu, FuSheng ; Qin, Qin ; Li, Hsiangnan ; et al
We calculate the mixing parameter y in the factorizationassisted topologicalamplitude (FAT) approach, considering contributions from , PV, and VV modes, where P (V) stands for a pseudoscalar (vector) meson. [...]
Published in Chinese Phys. C 42 (2018) 063101
10.1088/16741137/42/6/063101
arXiv:1705.07335
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4.

Factorization of standard model cross sections at ultrahigh energy
/ Chien, YangTing ; Li, Hsiangnan
The factorization theorem for organizing multiple electroweak boson emissions at future colliders with energy far above the electroweak scale is formulated. [...]
Published in Phys. Rev. D 97 (2018)
10.1103/PhysRevD.97.053006
arXiv:1801.00395
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5.

Threebody decays $B\to \varphi \left(\rho \right)K\gamma $ in perturbative QCD approach
/ Wang, Chao ; Liu, JingBin ; Li, Hsiangnan ; Lü, CaiDian
We study the threebody radiative decays $B\to \varphi \left(\rho \right)K\gamma $ induced by a flavorchanging neutral current in the perturbative QCD approach. [...]
Published in Phys. Rev. D 97 (2018)
10.1103/PhysRevD.97.034033
arXiv:1711.10936
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6.

Factorization for substructures of boosted Higgs jets
/ Isaacson, Joshua ; Li, Hsiangnan ; Li, Zhao ; Yuan, C.P.
We present a perturbative QCD factorization formula for substructures of an energetic Higgs jet, taking the energy profile resulting from the H→bb¯ decay as an example. [...]
Published in Physics letters B (2017)
10.1016/j.physletb.2017.05.089
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7.

Quasitwobody decays B → Kρ → Kππ in perturbative QCD approach
/ Wang, WenFei ; Li, Hsiangnan
We analyze the quasitwobody decays B→Kρ→Kππ in the perturbative QCD (PQCD) approach, in which finalstate interactions between the pions in the resonant regions associated with the P wave states ρ(770) and ρ′(1450) are factorized into twopion distribution amplitudes. [...]
Published in Physics letters B (2016)
10.1016/j.physletb.2016.10.026
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8.

Photon structure functions at small x in holographic QCD
/ Watanabe, Akira ; Li, Hsiangnan
We investigate the photon structure functions at small Bjorken variable x in the framework of the holographic QCD, assuming dominance of the Pomeron exchange. [...]
Published in Physics letters B (2015)
10.1016/j.physletb.2015.10.069
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9.

Nondipolar Wilson links for transversemomentumdependent wave functions
/ Li, Hsiangnan ; Wang, YuMing
We propose a new definition of a transversemomentumdependent (TMD) wave function with simpler soft subtraction for k T factorization of hard exclusive processes. [...]
Published in JHEP 1506 (2015) 013
10.1007/JHEP06(2015)013
arXiv:1410.7274
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10.

Perturbative QCD study of ${B}_{s}$ decays to a pseudoscalar meson and a tensor meson
/ Qin, Qin ; Zou, ZhiTian ; Yu, Xin ; Li, Hsiangnan ; et al
We study twobody hadronic ${B}_{s}\to \mathit{PT}$ decays, with $P(T)$ being a light pseudoscalar (tensor) meson, in the perturbative QCD approach. [...]
Published in Physics letters B 732 (2014) 3640
10.1016/j.physletb.2014.03.004
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