Related papers: Strange Vector Form Factors from Parity-Violating …

Electroweak Reactions in the Non-Perturbative Regime of QCD

In the first part of these lectures, I consider chiral perturbation theory in the presence of matter fields. It allows to systematically work out the consequences of the broken chiral symmetry of QCD. As examples, threshold pion photo- and…

High Energy Physics - Phenomenology · Physics 2015-06-25 Ulf-G. Meißner

The G0 Experiment: Apparatus for Parity-Violating Electron Scattering Measurements at Forward and Backward Angles

In the G0 experiment, performed at Jefferson Lab, the parity-violating elastic scattering of electrons from protons and quasi-elastic scattering from deuterons is measured in order to determine the neutral weak currents of the nucleon.…

Nuclear Experiment · Physics 2011-06-29 G0 Collaboration , D. Androic , D. S. Armstrong , J. Arvieux , R. Asaturyan , T. D. Averett , S. L. Bailey , G. Batigne , D. H. Beck , E. J. Beise , J. Benesch , F. Benmokhtar , L. Bimbot , J. Birchall , A. Biselli , P. Bosted , H. Breuer , P. Brindza , C. L. Capuano , R. D. Carlini , R. Carr , N. Chant , Y. -C. Chao , R. Clark , A. Coppens , S. D. Covrig , A. Cowley , D. Dale , C. A. Davis , C. Ellis , W. R. Falk , H. Fenker , J. M. Finn , T. Forest , G. Franklin , R. Frascaria , C. Furget , D. Gaskell , M. T. W. Gericke , J. Grames , K. A. Griffioen , K. Grimm , G. Guillard , B. Guillon , H. Guler , K. Gustafsson , L. Hannelius , J. Hansknecht , R. D. Hasty , A. M. Hawthorne Allen , T. Horn , T. M. Ito , K. Johnston , M. Jones , P. Kammel , R. Kazimi , P. M. King , A. Kolarkar , E. Korkmaz , W. Korsch , S. Kox , J. Kuhn , J. Lachniet , R. Laszewski , L. Lee , J. Lenoble , E. Liatard , J. Liu , A. Lung , G. A. MacLachlan , J. Mammei , D. Marchand , J. W. Martin , D. J. Mack , K. W. McFarlane , D. W. McKee , R. D. McKeown , F. Merchez , M. Mihovilovic , A. Micherdzinska , H. Mkrtchyan , B. Moffit , M. Morlet , M. Muether , J. Musson , K. Nakahara , R. Neveling , S. Niccolai , D. Nilsson , S. Ong , S. A. Page , V. Papavassiliou , S. F. Pate , S. K. Phillips , P. Pillot , M. L. Pitt , M. Poelker , T. A. Porcelli , G. Quemener , B. P. Quinn , W. D. Ramsay , A. W. Rauf , J. -S. Real , T. Ries , J. Roche P. Roos , G. A. Rutledge , J. Schaub , J. Secrest , T. Seva , N. Simicevic , G. R. Smith , D. T. Spayde , S. Stepanyan , M. Stutzman , R. Suleiman , V. Tadevosyan , R. Tieulent , J. van de Wiele , W. T. H. van Oers , M. Versteegen , E. Voutier , W. F. Vulcan , S. P. Wells , G. Warren , S. E. Williamson , R. J. Woo , S. A. Wood , C. Yan , J. Yun , V. Zeps

Nuclear Parity Violation from Lattice QCD

The electroweak interaction at the level of quarks and gluons are well understood from precision measurements in high energy collider experiments. Relating these fundamental parameters to Hadronic Parity Violation in nuclei however remains…

High Energy Physics - Lattice · Physics 2015-11-10 Thorsten Kurth , Evan Berkowitz , Enrico Rinaldi , Pavlos Vranas , Amy Nicholson , Mark Strother , Andre Walker-Loud

Strange form factors of the proton: a new analysis of the neutrino (antineutrino) data of the BNL-734 experiment

We consider ratios of elastic neutrino(antineutrino)-proton cross sections measured by the Brookhaven BNL-734 experiment and use them to obtain the neutral current (NC) over charged current (CC) neutrino-antineutrino asymmetry. We discuss…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. M. Alberico , M. B. Barbaro , S. M. Bilenky , J. A. Caballero , C. Giunti , C. Maieron , E. Moya de Guerra , J. M. Udias

Determination of CKM matrix element and axial vector form factors from weak decays of quantum-entangled strange baryons

The electromagnetic structure of the nucleon can be determined from the scattering of electrons off a nucleon target. However, to study its axial structure, neutrino beams are required. The results from these experiments should be…

High Energy Physics - Experiment · Physics 2025-09-15 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , R. Aliberti , A. Amoroso , Q. An , Y. Bai , O. Bakina , Y. Ban , H. -R. Bao , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , M. H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , X. Y. Chai , J. F. Chang , G. R. Che , Y. Z. Che , C. H. Chen , Chao Chen , G. Chen , H. S. Chen , H. Y. Chen , M. L. Chen , S. J. Chen , S. L. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , X. Y. Chen , Y. B. Chen , Y. Q. Chen , Y. Q. Chen , Z. Chen , Z. J. Chen , Z. K. Chen , S. K. Choi , X. Chu , G. Cibinetto , F. Cossio , J. Cottee-Meldrum , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , B. Ding , X. X. Ding , Y. Ding , Y. Ding , Y. X. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , S. X. Du , Y. Y. Duan , Z. H. Duan , P. Egorov , G. F. Fan , J. J. Fan , Y. H. Fan , J. Fang , J. Fang , S. S. Fang , W. X. Fang , Y. Q. Fang , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , L. Feng , Q. X. Feng , Y. T. Feng , M. Fritsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , X. B. Gao , Y. Gao , Y. N. Gao , Y. N. Gao , Y. Y. Gao , S. Garbolino , I. Garzia , L. Ge , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , J. D. Gong , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , Y. T. Gu , C. Y. Guan , A. Q. Guo , L. B. Guo , M. J. Guo , R. P. Guo , Y. P. Guo , A. Guskov , J. Gutierrez , K. L. Han , T. T. Han , F. Hanisch , K. D. Hao , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , Q. P. 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Hadronic Parity Violation: a New View through the Looking Glass

Studies of the strangeness changing hadronic weak interaction have produced a number of puzzles that have so far evaded a complete explanation within the Standard Model. Their origin may lie either in dynamics peculiar to weak interactions…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael J. Ramsey-Musolf , Shelley A. Page

Comments on: "Measurement of Parton Distributions of Strange Quarks in the Nucleon from Charged-Kaon Production in Deep-Inelastic Scattering on the Deuteron" by the HERMES Collaboration

In this paper a discussion is made of the article by the HERMES Collaboration, Phys.Lett. B666,446, where several important results concerning strange quark properties in the nucleon were presented. By analysing the sum of K+-…

High Energy Physics - Experiment · Physics 2012-11-29 M. Stolarski

Parity Violating Effects in Elastic Electron Deuteron Scattering

The general expressions for parity violation observables in elastic scattering of polarized and/or unpolarized electrons from unpolarized deuterons are given and are numerically evaluated for the kinematics of SAMPLE, PVA4 and G0…

Nuclear Theory · Physics 2015-05-13 S. Ahmad , S. K. Singh , H. Arenhoevel

Constraints on the parity-violating couplings of a new gauge boson

High-energy particle physics experiments allow for the possible existence of a new light, very weakly coupled, neutral gauge boson (the U boson). This one permits for light (spin-1/2 or spin-0) particles to be acceptable Dark Matter…

High Energy Physics - Phenomenology · Physics 2009-02-20 C. Bouchiat , P. Fayet

Quasielastic neutrino-nucleus scattering

We study the sensitivity of neutral-current neutrino-nucleus scattering to the strange-quark content of the axial-vector form factor of the nucleon. A model-independent formalism for this reaction is developed in terms of eight nuclear…

Nuclear Theory · Physics 2008-11-26 B. I. S. van der Ventel , J. Piekarewicz

On the two-boson exchange corrections to parity-violating elastic electron-proton scattering

The details of the calculation of the two-boson exchange effects in the parity-violating elastic $ep$ scattering within a simple hadronic model, including both the nucleon and $\Delta(1232)$-resonance intermediate states, are presented. We…

Nuclear Theory · Physics 2010-04-14 Hai Qing Zhou , Chung Wen Kao , Shin Nan Yang , Keitaro Nagata

Constraining nucleon strangeness

Determining the nonperturbative $s\bar{s}$ content of the nucleon has attracted considerable interest and been the subject of numerous experimental searches. These measurements used a variety of reactions and place important limits on the…

Nuclear Theory · Physics 2015-06-02 T. J. Hobbs , Mary Alberg , Gerald A. Miller

Strangeness-Conserving Hadronic Parity Violation at Low Energies

The parity-violating nucleon-nucleon interaction is the key to understanding the strangeness-conserving hadronic weak interaction at low energies. In this brief talk, I review the past accomplishments in and current status of this subject,…

Nuclear Theory · Physics 2008-11-26 C. -P. Liu

Elastic Electron Scattering from Light Nuclei

The charge and magnetic form factors of light nuclei, mainly for mass numbers A<=4, provide a sensitive test of our understanding of nuclei. A number of "exact" calculations of the wave functions starting from the nucleon-nucleon…

Nuclear Experiment · Physics 2009-11-07 Ingo Sick

The structure of the nucleon

Experimental data on electromagnetic and weak form factors of the nucleon are analyzed in a two-component model with a quark-like intrinsic structure surrounded by a meson cloud. The contribution from strange quarks is discussed and…

Nuclear Theory · Physics 2008-11-26 Roelof Bijker

Strangeness-changing scalar form factors

We derive expressions for strangeness-changing scalar form factors, which incorporate known theoretical constraints both at low and high energies. Their leading behaviour in the limit of a large number of colours is calculated from the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Matthias Jamin , Jose Antonio Oller , Antonio Pich

Nucleon electroweak form factors in a meson-cloud model

The meson-cloud model of the nucleon consisting of a system of three valence quarks surrounded by a meson cloud is applied to study the electroweak structure of the proton and neutron. The electroweak nucleon form factors are calculated…

High Energy Physics - Phenomenology · Physics 2015-05-13 B. Pasquini , S. Boffi

Nucleon axial and pseudoscalar form factors from lattice QCD at the physical point

We compute the nucleon axial and induced pseudoscalar form factors using three ensembles of gauge configurations, generated with dynamical light quarks with mass tuned to approximately their physical value. One of the ensembles also…

High Energy Physics - Lattice · Physics 2021-03-03 C. Alexandrou , S. Bacchio , M. Constantinou , P. Dimopoulos , J. Finkenrath , K. Hadjiyiannakou , K. Jansen , G. Koutsou , B. Kostrzewa , T. Leontiou , C. Urbach

Revisiting Scalar and Pseudoscalar Couplings with Nucleons

Certain dark matter interactions with nuclei are mediated possibly by a scalar or pseudoscalar Higgs boson. The estimation of the corresponding cross sections requires a correct evaluation of the couplings between the scalar or pseudoscalar…

High Energy Physics - Phenomenology · Physics 2015-06-04 Hai-Yang Cheng , Cheng-Wei Chiang

Strange vector form factors of the nucleon in the SU(3) chiral quark-soliton model with the proper kaonic cloud

The strange vector form factors are evaluated in the range between $Q^2=0$ and $Q^2=1\ \mbox{GeV}^2$ in the framework of the SU(3) chiral quark-soliton model (or semi-bosonized SU(3) Nambu-Jona-Lasinio model). The rotational $1/N_c$ and…

High Energy Physics - Phenomenology · Physics 2009-10-28 Hyun-Chul Kim , Teruaki Watabe , Klaus Goeke