prikaz prve stranice dokumenta Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance
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Scientific paper - Original scientific paper
Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance
Physical Review Letters, 108 (2012), 12; 122002. https://doi.org/10.1103/PhysRevLett.108.122002
(G0 Collaboration) Androić, Darko; Armstrong, D. S.; Arvieux, J.; Bailey, S. L.; Beck, D. H.; Beise, E. J.; Benesch, J.; Benmokhtar, F.; Bimbot, L.; Birchall, J.; Bosted, P.; Breuer, H.; Capuano, C. L.; Chao, Y.-C.; Coppens, A.; Davis, C. A.; Ellis, C.; Flores, G.; Franklin, G.; Furget, C.; Gaskell, D.; Gericke, M. T. W.; Grames, J.; Guillard, G.; Hansknecht, J.; Horn, T.; Jones, M. K.; King, P. M.; Korsch, W.; Kox, S.; Lee, L.; Liu, J.; Lung, A.; Mammei, J.; Martin, J. W.; McKeown, R. D.; Micherdzinska, A.; Mihovilovic, M.; Mkrtchyan, H.; Muether, M.; Page, S. A.; Papavassiliou, V.; Pate, S. F.; Phillips, S. K.; Pillot, P.; Pitt, M. L.; Poelker, M.; Quinn, B.; Ramsay, W. D.; Real, J.-S.; Roche, J.; Roos, P.; Schaub, J.; Ševa, Tomislav; Simicevic, N.; Smith, G. R.; Spayde, D. T.; Stutzman, M.; Suleiman, R.; Tadevosyan, V.; van Oers, W. T. H.; Versteegen, M.; Voutier, E.; Vulcan, W.; Wells, S. P.; Williamson, S. E.; Wood, S. A. More authors...

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Androić, D., Armstrong, D. S., Arvieux, J., Bailey, S. L., Beck, D. H., Beise, E. J. ... Wood, S. A. (2012). Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance. Physical Review Letters, 108. (12). doi: 10.1103/PhysRevLett.108.122002

Androić, Darko, et al. "Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance." Physical Review Letters, vol. 108, no. 12, 2012. https://doi.org/10.1103/PhysRevLett.108.122002

Androić, Darko, D. S. Armstrong, J. Arvieux, S. L. Bailey, D. H. Beck, E. J. Beise, J. Benesch, et al. "Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance." Physical Review Letters 108, no. 12 (2012). https://doi.org/10.1103/PhysRevLett.108.122002

Androić, D., et al. (2012) 'Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance', Physical Review Letters, 108(12). doi: 10.1103/PhysRevLett.108.122002

Androić D, Armstrong DS, Arvieux J, Bailey SL, Beck DH, Beise EJ, and sur.. Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance. Physical Review Letters [Internet]. 2012 [cited 2025 January 16];108(12). doi: 10.1103/PhysRevLett.108.122002

D. Androić, et al., "Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance", Physical Review Letters, vol. 108, no. 12, 2012. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:527794. [Accessed: 16 January 2025]

Metadata
Title (english)Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of π- near the Δ0 Resonance
AuthorDarko Androić
AuthorD. S. Armstrong
AuthorJ. Arvieux
AuthorS. L. Bailey
AuthorD. H. Beck
AuthorE. J. Beise
AuthorJ. Benesch
AuthorF. Benmokhtar
AuthorL. Bimbot
AuthorJ. Birchall
AuthorP. Bosted
AuthorH. Breuer
AuthorC. L. Capuano
AuthorY.-C. Chao
AuthorA. Coppens
AuthorC. A. Davis
AuthorC. Ellis
AuthorG. Flores
AuthorG. Franklin
AuthorC. Furget
AuthorD. Gaskell
AuthorM. T. W. Gericke
AuthorJ. Grames
AuthorG. Guillard
AuthorJ. Hansknecht
AuthorT. Horn
AuthorM. K. Jones
AuthorP. M. King
AuthorW. Korsch
AuthorS. Kox
AuthorL. Lee
AuthorJ. Liu
AuthorA. Lung
AuthorJ. Mammei
AuthorJ. W. Martin
AuthorR. D. McKeown
AuthorA. Micherdzinska
AuthorM. Mihovilovic
AuthorH. Mkrtchyan
AuthorM. Muether
AuthorS. A. Page
AuthorV. Papavassiliou
AuthorS. F. Pate
AuthorS. K. Phillips
AuthorP. Pillot
AuthorM. L. Pitt
AuthorM. Poelker
AuthorB. Quinn
AuthorW. D. Ramsay
AuthorJ.-S. Real
AuthorJ. Roche
AuthorP. Roos
AuthorJ. Schaub
AuthorTomislav Ševa
AuthorN. Simicevic
MBZ: 118310
AuthorG. R. Smith
AuthorD. T. Spayde
AuthorM. Stutzman
AuthorR. Suleiman
AuthorV. Tadevosyan
AuthorW. T. H. van Oers
AuthorM. Versteegen
AuthorE. Voutier
AuthorW. Vulcan
AuthorS. P. Wells
AuthorS. E. Williamson
AuthorS. A. Wood
CollaborationG0 Collaboration
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
The parity-violating (PV) asymmetry of inclusive π-production in electron scattering from a liquid deuterium target was measured at backward angles. The measurement was conducted as a part of the G0 experiment, at a beam energy of 360 MeV. The physics process dominating pion production for these kinematics is quasifree photoproduction off the neutron via the Δ0 resonance. In the context of heavy-baryon chiral perturbation theory, this asymmetry is related to a low-energy constant dΔ- that characterizes the parity-violating γNΔ coupling. Zhu et al. calculated dΔ- in a model benchmarked by the large asymmetries seen in hyperon weak radiative decays, and predicted potentially large asymmetries for this process, ranging from Aγ-=-5.2 to +5.2  ppm. The measurement performed in this work leads to Aγ-=-0.36±1.06±0.37±0.03  ppm (where sources of statistical, systematic and theoretical uncertainties are included), which would disfavor enchancements considered by Zhu et al. proportional to Vud/Vus. The measurement is part of a program of inelastic scattering measurements that were conducted by the G0 experiment, seeking to determine the N-Δ axial transition form factors using PV electron scattering.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysical Review Letters
Numberingvol. 108, no. 12, 122002
p-ISSN0031-9007
e-ISSN1079-7114
DOIhttps://doi.org/10.1103/PhysRevLett.108.122002
URN:NBNurn:nbn:hr:217:527794
Publication2012
ProjectNumber: 119-0982887-1006
Title (croatian): Istraživanje hadronskih sustava upotrebom relativističkih projektila
Leader: Mirko Planinić
Jurisdiction: Croatia
Funding stream: ZP
Document URLhttp://link.aps.org/doi/10.1103/PhysRevLett.108.122002
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Public noteCopyright (2012) by the American Physical Society. Received 7 December 2011; published 20 March 2012.
Created on2019-11-16 10:24:05