Search Results - "Leutwyler, H."

Sum rule for the Compton amplitude and implications for the proton–neutron mass difference by Gasser, J., Leutwyler, H., Rusetsky, A.

“…The Cottingham formula expresses the leading contribution of the electromagnetic interaction to the proton-neutron mass difference as an integral over the…”
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On the mass difference between proton and neutron by Gasser, J., Leutwyler, H., Rusetsky, A.

“…The Cottingham formula expresses the electromagnetic part of the mass of a particle in terms of the virtual Compton scattering amplitude. At large photon…”
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Review of lattice results concerning low-energy particle physics by Aoki, S, Aoki, Y, Bečirević, D, Bernard, C, Blum, T, Colangelo, G, M Della Morte, Dimopoulos, P, Dürr, S, Fukaya, H, Golterman, M, Gottlieb, Steven, Hashimoto, S, Heller, U M, Horsley, R, Jüttner, A, Kaneko, T, Lellouch, L, Leutwyler, H, Lin, C-J D, Lubicz, V, Lunghi, E, Mawhinney, R, Onogi, T, Pena, C, Sachrajda, C T, Sharpe, S R, Simula, S, Sommer, R, Vladikas, A, Wenger, U, Wittig, H

“…We review lattice results related to pion, kaon, D- and B-meson physics with the aim of making them easily accessible to the particle-physics community. More…”
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Cottingham formula and nucleon polarisabilities by Gasser, J., Hoferichter, M., Leutwyler, H., Rusetsky, A.

“…The difference between the electromagnetic self-energies of proton and neutron can be calculated with the Cottingham formula, which expresses the self-energies…”
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Mass and width of the lowest resonance in QCD by Caprini, I, Colangelo, G, Leutwyler, H

“…We demonstrate that near the threshold, the pi pi scattering amplitude contains a pole with the quantum numbers of the vacuum--commonly referred to as the…”
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Review of lattice results concerning low-energy particle physics: Flavour Lattice Averaging Group (FLAG) by Aoki, S., Aoki, Y., Bečirević, D., Bernard, C., Blum, T., Colangelo, G., Della Morte, M., Dimopoulos, P., Dürr, S., Fukaya, H., Golterman, M., Gottlieb, Steven, Hashimoto, S., Heller, U. M., Horsley, R., Jüttner, A., Kaneko, T., Lellouch, L., Leutwyler, H., Lin, C.-J. D., Lubicz, V., Lunghi, E., Mawhinney, R., Onogi, T., Pena, C., Sachrajda, C. T., Sharpe, S. R., Simula, S., Sommer, R., Vladikas, A., Wenger, U., Wittig, H.

“…We review lattice results related to pion, kaon, D - and B -meson physics with the aim of making them easily accessible to the particle-physics community. More…”
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The ratios of the light quark masses by Leutwyler, H.

“…The paper collects the various pieces of information concerning the relative size of m u , m d and m s . A coherent picture results, which constrains the mass…”
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Review of lattice results concerning low-energy particle physics by Colangelo, G., Dürr, S., Jüttner, A., Lellouch, L., Leutwyler, H., Lubicz, V., Necco, S., Sachrajda, C. T., Simula, S., Vladikas, A., Wenger, U., Wittig, H.

“…We review lattice results relevant for pion and kaon physics with the aim of making them easily accessible to the particle physics community. Specifically, we…”
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Erratum to: Cottingham formula and nucleon polarisabilities by Gasser, J., Hoferichter, M., Leutwyler, H., Rusetsky, A.

“…This erratum corrects some misprints appearing in the article. They do not affect any of the results…”
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Review of lattice results concerning low-energy particle physics by Aoki, S., Aoki, Y., Bernard, C., Blum, T., Colangelo, G., Della Morte, M., Dürr, S., El-Khadra, A. X., Fukaya, H., Horsley, R., Jüttner, A., Kaneko, T., Laiho, J., Lellouch, L., Leutwyler, H., Lubicz, V., Lunghi, E., Necco, S., Onogi, T., Pena, C., Sachrajda, C. T., Sharpe, S. R., Simula, S., Sommer, R., Van de Water, R. S., Vladikas, A., Wenger, U., Wittig, H.

“…We review lattice results related to pion, kaon, D - and B -meson physics with the aim of making them easily accessible to the particle-physics community. More…”
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Baryon chiral perturbation theory in manifestly Lorentz invariant form by Becher, T., Leutwyler, H.

“…We show that in the presence of massive particles, such as nucleons, the standard low-energy expansion, in powers of meson momenta and light-quark masses, in…”
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Impact of a Pilot Videogame-Based Physical Activity Program on Walking Speed in Adults with Schizophrenia by Leutwyler, H., Hubbard, E., Cooper, B. A., Dowling, G.

“…The purpose of this report is to describe the impact of a videogame-based physical activity program using the Kinect for Xbox 360 game system (Microsoft,…”
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Large $N_ c$ in chiral perturbation theory by Kaiser, R., Leutwyler, H.

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Bounds on the light quark masses by Leutwyler, H.

“…The corrections to the current algebra mass formulae for the pseudoscalar mesons are analyzed by means of a simultaneous expansion in powers of the light quark…”
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Spectrum of Dirac operator and role of winding number in QCD by LEUTWYLER, H, SMILGA, A

“…We show that very general considerations based on the properties of the partition function of QCD allow one to extract information about the eigenvalues of the…”
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Regge analysis of the ππ scattering amplitude by Caprini, I., Colangelo, G., Leutwyler, H.

“…The theoretical predictions for the subtraction constants lead to a very accurate dispersive representation of the ππ scattering amplitude below 0.8 GeV. The…”
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Scalar form factors of light mesons by Ananthanarayan, B., Caprini, I., Colangelo, G., Gasser, J., Leutwyler, H.

“…The scalar radius of the pion plays an important role in χPT, because it is related to one of the basic effective coupling constants, viz. the one which…”
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Association between schizophrenia symptoms and neurocognition on mobility in older adults with schizophrenia by Leutwyler, H., Hubbard, E., Jeste, D., Miller, B., Vinogradov, S.

“…Objectives: Older persons with schizophrenia develop problems associated with aging, such as poor mobility, at more rapid rates than people without serious…”
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On the precision of the theoretical predictions for π π scattering by Caprini, I., Colangelo, G., Gasser, J., Leutwyler, H.

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ππ scattering by Colangelo, G., Gasser, J., Leutwyler, H.

“…We demonstrate that, together with the available experimental information, chiral symmetry determines the low energy behaviour of the ππ scattering amplitude…”
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