Mingxing Luo

Recursion relations for tree amplitudes in super gauge theories

Using newly proposed recursion relations in [25], [26], compact formulas are obtained for tree-level amplitudes of g1−g2−g3−g4+g5+...gn+. We then make an extension of these recursion relations to include fermions of multi-flavors, from which MHV and amplitudes are reproduced. We also calculate non-MHV amplitudes of processes with two fermions and four gluons. Results thus obtained are equivalent to those obtained by extended CSW prescriptions, and those by conventional field theory calculations.

Some phenomenologies of unparticle physics

Abstract Fermionic unparticles are introduced and their basic properties are discussed. Some phenomenologies related are exploited, such as their effects on charged Higgs boson decays and anomalous magnetic moments of leptons. Also, it has been found that measurements of B 0 – B ¯ 0 mixing could yield interesting constraints on couplings between unparticle operators and Standard Model fields.

Squarkonium, diquarkonium, and octetonium at the LHC and their diphoton decays

Motivated by the recent di-photon excess by both ATLAS and CMS collaborations at the LHC, we systematically investigate the production and di-photon decay of onia formed by pair of all possible color exotic scalars in minimal extension. When such scalar massive meta-stable colored and charged (MMCC) particles are produced in pair near threshold,

Thermodynamical metrics and black hole phase transitions

\eta

One-loop maximal helicity violating amplitudes in N=4 super Yang-Mills theories

onium can be formed and decay into di-photon through annihilation as

Renormalization group equations in gauge theories with multiple U(1) groups

pp\to \eta \to \gamma\gamma

ON BLACK HOLE STABILITY IN CRITICAL GRAVITIES

. Squarkonium is formed by meta-stable squarks in supersymmetric models such as stoponium. Diquarkonium is formed by meta-stable color sextet diquarks which may be realized in the Pati-Salam model. Octetonium is formed by color octet scalars bosons as in the Manohar-Wise model. Stoponium prediction is much smaller than the required signal to account for the di-photon excess. Due to the enhancement factor from color and electric charge, predictions of diquarkonium and octetonium are of

Systematics of one-loop scattering amplitudes in N = 4 super-Yang-Mills theories

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Leading-order actions of Goldstino fields

(10 fb) which are significantly greater than the stoponium prediction. Since the color enhancement also results in large production at the colliders, such light color exotic states of

Revisit to Non-decoupling MSSM

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