142 citations · 606 across the 25 of their papers we have counts for
25 papers
Searching for True Muonium in Relativistic Heavy Ion Collisions
Zuo-Tang Liang, Qian Yang, Hong Zhang +2
We investigate the production of the as-yet-undetected true muonium within the quark-gluon plasma formed in relativistic heavy-ion collisions, employing a relativistic Boltzmann tr…
A short theoretical review of charmonium production
An-Ping Chen, Yan-Qing Ma, Hong Zhang
In this paper, we review the current status of the phenomenological study of quarkonium production in high energy collisions. After a brief introduction of several important models…
Axion Stars
Eric Braaten, Hong Zhang
The particle that makes up the dark matter of the universe could be an axion or axion-like particle. A collection of axions can condense into a bound Bose-Einstein condensate calle…
Classical Nonrelativistic Effective Field Theories for a Real Scalar Field
Eric Braaten, Abhishek Mohapatra, Hong Zhang
A classical nonrelativistic effective field theory for a real Lorentz-scalar field is most conveniently formulated in terms of a complex scalar field . There have been two d…
Zero-Range Effective Field Theory for Resonant Wino Dark Matter III. Annihilation Effects
Eric Braaten, Evan Johnson, Hong Zhang
Near a critical value of the wino mass where there is a zero-energy S-wave resonance at the neutral-wino-pair threshold, low-energy winos can be described by a zero-range effective…
Effective field theory for resonant wino dark matter
Evan Johnson, Hong Zhang, Eric Braaten
Enhancements in WIMP annihilation rates have been identified with a nonperturbative "Sommerfeld enhancement" arising from the exchange of light mediators. At certain critical value…
Zero-Range Effective Field Theory for Resonant Wino Dark Matter II. Coulomb Resummation
Eric Braaten, Evan Johnson, Hong Zhang
Near a critical value of the wino mass where there is a zero-energy S-wave resonance at the neutral-wino-pair threshold, low-energy winos can be described by a zero-range effective…
Mass Dependence of Higgs Production at Large Transverse Momentum through a Bottom Quark Loop
Eric Braaten, Hong Zhang, Jia-Wei Zhang
In the production of the Higgs through a bottom-quark loop, the transverse momentum distribution of the Higgs at large is complicated by its dependence on two other important…
Zero-Range Effective Field Theory for Resonant Wino Dark Matter I. Framework
Eric Braaten, Evan Johnson, Hong Zhang
The most dramatic "Sommerfeld enhancements" of neutral-wino-pair annihilation occur when the wino mass is near a critical value where there is a zero-energy S-wave resonance at the…
Mass Dependence of Higgs Production at Large Transverse Momentum
Eric Braaten, Hong Zhang, Jia-Wei Zhang
The transverse momentum distribution of the Higgs at large is complicated by its dependence on three important energy scales: , the top quark mass , and the Higgs m…
Rotation-invariant observables in polarization measurements
Yan-Qing Ma, Jian-Wei Qiu, Hong Zhang
Polarization measurements provide a detailed method to test the Standard Model and to search for new physics. Most previous studies depend on pre-selected coordinates, which blurs…
production and polarization within a jet
Zhong-Bo Kang, Jian-Wei Qiu, Felix Ringer +2
We study the production and polarization of mesons within a jet in proton-proton collisions at the LHC. We define the -jet fragmentation function as a ratio of different…
Wino dark matter annihilation through the radiative formation of bound states
Evan Johnson, Eric Braaten, Hong Zhang
The most dramatic "Sommerfeld enhancements" of neutral-wino-pair annihilation occur when the wino mass is tuned to near critical values where there is a zero-energy S-wave resonanc…
Emission of Photons and Relativistic Axions from Axion Stars
Eric Braaten, Abhishek Mohapatra, Hong Zhang
The number of nonrelativistic axions can be changed by inelastic reactions that produce photons or relativistic axions. Any odd number of axions can annihilate into two photons. An…
Nonrelativistic Effective Field Theory for Axions
Eric Braaten, Abhishek Mohapatra, Hong Zhang
Axions can be described by a relativistic field theory with a real scalar field whose self-interaction potential is a periodic function of . Low-energy axions, such as those…
RG-improved Prediction for 750 GeV Resonance Production at the LHC
Xiaohui Liu, Hong Zhang
We present a renormalization-group (RG) improved prediction for GeV heavy state production recently seen as the diphoton excess at the LHC. Due to the universality of QCD fea…
Dense Axion Stars
Eric Braaten, Abhishek Mohapatra, Hong Zhang
If the dark matter particles are axions, gravity can cause them to coalesce into axion stars, which are stable gravitationally bound systems of axions. In the previously known solu…
QCD factorization for high heavy quarkonium production
Yan-Qing Ma, Jian-Wei Qiu, George Sterman +1
In this talk, we present the QCD factorization formula for heavy quarkonium production at large with factorized leading-power and next-to-leading power contributions in the $…
Inclusive Higgs Production at Large Transverse Momentum
Hong Zhang, Eric Braaten
We present a factorization formula for the inclusive production of the Higgs boson at large transverse momentum that includes all terms with the leading power of . T…
Inclusive Higgs Production at Large Transverse Momentum
Eric Braaten, Hong Zhang
We present a factorization formula for the inclusive production of the Higgs boson at large transverse momentum that includes all terms with the leading power of . T…
Fragmentation functions of polarized heavy quarkonium
Yan-Qing Ma, Jian-Wei Qiu, Hong Zhang
Study of the polarized heavy quarkonium production in recently proposed QCD factorization formalism requires knowledge of a large number of input fragmentation functions (FFs) from…
Factorized power expansion for high- heavy quarkonium production
Yan-Qing Ma, Jian-Wei Qiu, George Sterman +1
We show that when the factorized cross section for heavy quarkonium production includes next-to-leading power (NLP) contributions associated with the production of the heavy quark…
Heavy quarkonium fragmentation functions from a heavy quark pair. II. wave
Yan-Qing Ma, Jian-Wei Qiu, Hong Zhang
Recently, a new perturbative QCD factorization formalism for heavy quarkonium production at a large transverse momentum was proposed. Phenomenological application of this new appro…
Heavy quarkonium fragmentation functions from a heavy quark pair. I. wave
Yan-Qing Ma, Jian-Wei Qiu, Hong Zhang
A QCD factorization formalism was recently proposed for evaluating heavy quarkonium production at large at collider energies. With systematically calculated short-distance pa…