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Related papers: Improving the Volume Dependence of Two-Body Bindin…

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We derive the finite-volume correction to the binding energy of an N-particle quantum bound state in a cubic periodic volume. Our results are applicable to bound states with arbitrary composition and total angular momentum, and in any…

High Energy Physics - Lattice · Physics 2018-02-02 Sebastian König , Dean Lee

Lattice quantum chromodynamics (QCD) will soon become the primary theoretical tool in rigorous studies of single- and multi-hadron sectors of QCD. It is truly ab initio meaning that its only parameters are those of standard model. The…

High Energy Physics - Lattice · Physics 2014-09-09 Zohreh Davoudi

We explore the use of twisted boundary conditions in extracting the nucleon mass and the binding energy of two-baryon systems, such as the deuteron, from Lattice QCD calculations. Averaging the results of calculations performed with…

High Energy Physics - Lattice · Physics 2014-04-23 Raul A. Briceno , Zohreh Davoudi , Thomas C. Luu , Martin J. Savage

We address the issue of bound state in the two-nucleon system in lattice QCD with the quenched approximation at the lattice spacing of a =0.128 fm using a heavy quark mass corresponding to m_pi = 0.8 GeV. To distinguish a bound state from…

High Energy Physics - Lattice · Physics 2019-08-14 T. Yamazaki

We describe and implement twisted boundary conditions for the deuteron and triton systems within finite-volumes using the nuclear lattice EFT formalism. We investigate the finite-volume dependence of these systems with different twists…

Nuclear Theory · Physics 2016-05-25 Christopher Körber , Thomas Luu

The RBC and UKQCD collaborations have recently proposed a procedure for computing the K_L-K_S mass difference. A necessary ingredient of this procedure is the calculation of the (non-exponential) finite-volume corrections relating the…

High Energy Physics - Lattice · Physics 2014-01-08 N. H. Christ , G. Martinelli , C. T. Sachrajda

We study the effects of finite volume on the two-particle decay rate of an unstable state with non-zero momentum. First Luscher's field-theoretic relation between the infinite volume scattering phase shifts and the quantized energy levels…

High Energy Physics - Lattice · Physics 2009-11-11 Norman H. Christ , Changhoan Kim , Takeshi Yamazaki

I derive the most general quantization condition for energy eigenvalues of two interacting baryons in a finite cubic volume when arbitrary twisted boundary conditions are imposed on their finite-volume wavefunctions. These quantization…

High Energy Physics - Lattice · Physics 2014-11-10 Zohreh Davoudi

We discuss signatures of bound-state formation in finite volume via the Luscher finite size method. Assuming that the phase-shift formula in this method inherits all aspects of the quantum scattering theory, we may expect that the…

High Energy Physics - Lattice · Physics 2008-11-26 Shoichi Sasaki , Takeshi Yamazaki

I present the formalism and methodology for determining the nucleon-nucleon scattering parameters from the finite volume spectra obtained from lattice quantum chromodynamics calculations. Using the recently derived energy quantization…

High Energy Physics - Lattice · Physics 2013-11-07 Raul A. Briceno

We address the issue of bound state in the two-nucleon system in lattice QCD. Our study is made in the quenched approximation at the lattice spacing of a = 0.128 fm with a heavy quark mass corresponding to m_pi = 0.8 GeV. To distinguish a…

High Energy Physics - Lattice · Physics 2019-08-14 T. Yamazaki , Y. Kuramashi , A. Ukawa

Lattice quantum chromodynamics calculations of multi-baryon systems with physical quark masses would start a new age of ab initio predictions in nuclear physics. Performed on a finite grid, such calculations demand extrapolation of their…

Nuclear Theory · Physics 2022-08-17 Roee Yaron , Betzalel Bazak , Martin Schäfer , Nir Barnea

The quantization condition for interacting energy eigenvalues of the two-nucleon system in a finite cubic volume is derived in connection to the nucleon-nucleon scattering amplitudes. This condition is derived using an auxiliary (dimer)…

High Energy Physics - Lattice · Physics 2013-08-30 Raul A. Briceno , Zohreh Davoudi , Thomas C. Luu

This work presents the first lattice calculation of a two-to-two particle matrix element of a local current. This exploratory calculation is performed using a leading-order pionless effective field theory of two nucleons in a finite 3D…

High Energy Physics - Lattice · Physics 2026-03-04 Joseph Moscoso , Felipe G. Ortega-Gama , Raúl A. Briceño , Andrew W. Jackura , Charles Kacir , Amy N. Nicholson

Recently, a framework has been developed to study form factors of two-hadron states probed by an external current. The method is based on relating finite-volume matrix elements, computed using numerical lattice QCD, to the corresponding…

High Energy Physics - Lattice · Physics 2019-12-11 Raúl A. Briceño , Maxwell T. Hansen , Andrew W. Jackura

Phenomena that involve two or more on-shell particles are particularly sensitive to the effects of finite volume and require special treatment when computed using lattice QCD. In this paper we generalize the results of L\"uscher, and…

High Energy Physics - Lattice · Physics 2017-07-06 Norman H. Christ , Xu Feng , Guido Martinelli , Christopher T. Sachrajda

Since the pioneering work of L\"uscher in the 1980s it is well known that considering quantum systems in finite volume, specifically, finite periodic boxes, can be used as a powerful computational tool to extract physical observables. While…

High Energy Physics - Lattice · Physics 2020-07-15 Sebastian König

We investigate the formation of light nuclei with the nuclear mass number less than or equal to four in 2+1 flavor QCD using a non-perturbative improved Wilson quark and Iwasaki gauge actions. The quark mass is decreased from our previous…

High Energy Physics - Lattice · Physics 2015-07-06 Takeshi Yamazaki , Ken-ichi Ishikawa , Yoshinobu Kuramashi , Akira Ukawa

Now that Lattice QCD calculations are beginning to include QED, it is important to better understand how hadronic properties are modified by finite-volume QED effects. They are known to exhibit power-law scaling with volume, in contrast to…

High Energy Physics - Lattice · Physics 2014-10-07 Zohreh Davoudi , Martin J. Savage

Scattering and transition amplitudes with three-hadron final states play an important role in nuclear and particle physics. However, predicting such quantities using numerical Lattice QCD is very difficult, in part because of the effects of…

High Energy Physics - Lattice · Physics 2015-11-17 Maxwell T. Hansen
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