142 citations · 1.2k across the 41 of their papers we have counts for
29 papers · 1 filter
In-Medium Modification of Meson Mass over Temperature and Momentum
Hidefumi Matsuda, Philipp Gubler, Koichi Hattori
We analyze the in-medium modification of the meson mass below the pseudo-critical temperature at vanishing baryon chemical potential using QCD sum rules. The sum r…
Polarization dependence of the meson from finite-temperature QCD sum rules
Hidefumi Matsuda, Philipp Gubler, Koichi Hattori
We study the meson at finite temperature and finite momentum using QCD sum rules. The presence of medium breaks the Lorentz invariance, and induces distinct in-medium modificat…
Resonance sum rules: an application to the square well potential
Zi-Xi Ou-Yang, Philipp Gubler, Makoto Oka +2
We propose an extension of the Quantum Chromodynamics (QCD) sum rules, termed the Resonance sum rules (RSR), to access resonance poles in the complex energy plane. By strategically…
Disentangling longitudinal and transverse modes of the meson through dilepton and kaon decays
In Woo Park, Hiroyuki Sako, Kazuya Aoki +2
Angular distributions of meson decay amplitudes of and channels are computed using both specific interaction Lagrangians and simple arguments relying on angul…
meson properties in nuclear matter from QCD sum rules with chirally separated four-quark condensates
Jisu Kim, Philipp Gubler, Su Houng Lee
The modification of the meson spectrum in nuclear matter is studied in an updated QCD sum rule analysis, taking into account recent improvements in properly treating the chiral…
Contribution of the Weinberg-type Operator to atomic and nuclear electric dipole moments
Naohiro Osamura, Philipp Gubler, Nodoka Yamanaka
The contribution of the CP violating three-gluon Weinberg operator, , to the atomic and nuclear EDMs is estimated using…
D meson mass and heavy quark potential at finite temperature
Philipp Gubler, Taesoo Song, Su Houng Lee
Based on the observation that the heavy quark-antiquark potential value at infinity corresponds to twice the D meson mass, we constrain the asymptotic value of the heavy quark pote…
The meson with finite momentum in a dense medium
HyungJoo Kim, Philipp Gubler
The dispersion relation of the meson in nuclear matter is studied in a QCD sum rule approach. In a dense medium, longitudinal and transverse modes of vector particles can have…
Recent Progress in QCD Condensate Evaluations and Sum Rules
Philipp Gubler, Daisuke Satow
We review the recent status of the QCD sum rule approach to study the properties of hadrons in vacuum and in hot or dense matter. Special focus is laid on the progress made in the…
Numerical analytic continuation of Euclidean data
Ralf-Arno Tripolt, Philipp Gubler, Maksim Ulybyshev +1
In this work we present a direct comparison of three different numerical analytic continuation methods: the Maximum Entropy Method, the Backus-Gilbert method and the Schlessinger p…
Finite temperature sum rules in the vector channel at finite momentum
Philipp Gubler, Daisuke Satow
Exact sum rules for the longitudinal and transverse part of the vector channel spectral functions at nonzero momentum are derived in the first part of the paper. The sum rules are…
Light vector correlator in medium: Wilson coefficients up to dimension 6 operators
HyungJoo Kim, Philipp Gubler, Su Houng Lee
As an improvement of the QCD sum rule method to study modifications of light vector mesons in nuclear matter and/or at finite temperature, we calculate the Wilson coefficients of a…
Charmonium ground and excited states at finite temperature from complex Borel sum rules
Ken-Ji Araki, Kei Suzuki, Philipp Gubler +1
Charmonium spectral functions in vector and pseudoscalar channels at finite temperature are investigated through the complex Borel sum rules and the maximum entropy method. Our app…
Negative-parity nucleon excited state in nuclear matter
Keisuke Ohtani, Philipp Gubler, Makoto Oka
Spectral functions of the nucleon and its negative parity excited state in nuclear matter are studied using QCD sum rules and the maximum entropy method (MEM). It is found that in-…
Phi meson spectral moments and QCD condensates in nuclear matter
Philipp Gubler, Wolfram Weise
A detailed analysis of the lowest two moments of the meson spectral function in vacuum and nuclear matter is performed. The consistency is examined between the constraints deri…
Exact vector channel sum rules at finite temperature and their applications to lattice QCD data analysis
Philipp Gubler, Daisuke Satow
We derive three exact sum rules for the spectral function of the electromagnetic current with zero spatial momentum at finite temperature. Two of them are derived in this paper for…
D mesons in a magnetic field
Philipp Gubler, Koichi Hattori, Su Houng Lee +3
We investigate the mass spectra of open heavy flavor mesons in an external constant magnetic field within QCD sum rules. Spectral ansätze on the phenomenological side are proposed…
D meson mass increase by restoration of chiral symmetry in nuclear matter
Kei Suzuki, Philipp Gubler, Makoto Oka
Spectral functions of the pseudoscalar meson in the nuclear medium are analyzed using QCD sum rules and the maximum entropy method. This approach enables us to extract the spec…
Moments of meson spectral functions in vacuum and nuclear matter
Philipp Gubler, Wolfram Weise
Moments of the meson spectral function in vacuum and in nuclear matter are analyzed, combining a model based on chiral SU(3) effective field theory (with kaonic degrees of free…
New determination of based on recent experimental constraints
Philipp Gubler, Kie Sang Jeong, Su Houng Lee
The symmetric and traceless part of the matrix element can be determined from the second moment of the twist-…
Constraining the strangeness content of the nucleon by measuring the meson mass shift in nuclear matter
Philipp Gubler, Keisuke Ohtani
The behavior of the meson at finite density is studied, making use of a QCD sum rule approach in combination with the maximum entropy method. It is demonstrated that a possible…
QCD sum rules on the complex Borel plane
Ken-Ji Araki, Keisuke Ohtani, Philipp Gubler +1
Borel transformed QCD sum rules conventionally use a real valued parameter (the Borel mass) for specifying the exponential weight over which hadronic spectral functions are average…
Modification of hadronic spectral functions under extreme conditions: An approach based on QCD sum rules and the maximum entropy method
Philipp Gubler, Kei Suzuki, Kenji Morita +1
Studies of quarkonium spectral functions at finite temperature, based on an approach combining QCD sum rules and the maximum entropy method are briefly reviewed. QCD sum rules for…
Parity projection of QCD sum rules for the nucleon
Keisuke Ohtani, Philipp Gubler, Makoto Oka
The nucleon and its negative-parity excited states are examined in a maximum entropy method analysis of QCD sum rules. First, we rederive the parity projected sum rules for baryons…