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Pregled bibliografske jedinice broj: 119706

Measurement of the beam helicity asymmetry in the p(e_pol), e' p)pi0 reaction at the energy of delta(1232) resonance

Bartsch, P.; Baumann, D.; Bermuth, J.; Bohm, R.; Bohinc, K.; Bosnar, Damir; Ding, M.; Distler, M.; Drechsel, D.; Elsner, D. et al.
Measurement of the beam helicity asymmetry in the p(e_pol), e' p)pi0 reaction at the energy of delta(1232) resonance // Physical review letters, 88 (2002), 14; 142001 (1-4) (međunarodna recenzija, članak, znanstveni)

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Naslov
Measurement of the beam helicity asymmetry in the p(e_pol), e' p)pi0 reaction at the energy of delta(1232) resonance

Autori
Bartsch, P. ; Baumann, D. ; Bermuth, J. ; Bohm, R. ; Bohinc, K. ; Bosnar, Damir ; Ding, M. ; Distler, M. ; Drechsel, D. ; Elsner, D. ; Ewald, I. ; Friedrich, J. ; Friedrich, J.M. ; Grozinger, S. ; Hedicke, S. ; Jennewein, P. ; Kahrau, M. ; Kamalov, S.S. ; Klein, F. ; Krygier, K.W. ; Liesenfeld, A. ; Merkel, H. ; Merle, P. ; Muller, U. ; Neuhausen, R. ; Pospischil, T. ; Potokar, M. ; Rosner, G. ; Schmieden, H. ; Seimetz, M. ; Sule, A. ; Tiator, L. ; Wagner, A. ; Walcher, T. ; Weis M.

Izvornik
Physical review letters (0031-9007) 88 (2002), 14; 142001 (1-4)

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Beam-helicity asymmetry; Delta particle; hadron models

Sažetak
In a p(e_pol, e'p)pi_0 out-of-plane coincidence experiment at the 3-spectrometer setup of the Mainz Microtron MAMI, the beam-helicity asymmetry has been precisely measured around the energy of the Delta(1232) resonance and Q^2 = 0.2 (GeV/c)^2. The results are in disagreement with three up-to-date model calculations. This is interpreted as lack of understanding of the non-resonant background, which in dynamical models is related to the pion cloud.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
0119259

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Martina Ećimović-Merle (autor)

Avatar Url Damir Bosnar (autor)

Citiraj ovu publikaciju:

Bartsch, P.; Baumann, D.; Bermuth, J.; Bohm, R.; Bohinc, K.; Bosnar, Damir; Ding, M.; Distler, M.; Drechsel, D.; Elsner, D. et al.
Measurement of the beam helicity asymmetry in the p(e_pol), e' p)pi0 reaction at the energy of delta(1232) resonance // Physical review letters, 88 (2002), 14; 142001 (1-4) (međunarodna recenzija, članak, znanstveni)
Bartsch, P., Baumann, D., Bermuth, J., Bohm, R., Bohinc, K., Bosnar, D., Ding, M., Distler, M., Drechsel, D. & Elsner, D. (2002) Measurement of the beam helicity asymmetry in the p(e_pol), e' p)pi0 reaction at the energy of delta(1232) resonance. Physical review letters, 88 (14), 142001 (1-4).
@article{article, author = {Bartsch, P. and Baumann, D. and Bermuth, J. and Bohm, R. and Bohinc, K. and Bosnar, Damir and Ding, M. and Distler, M. and Drechsel, D. and Elsner, D. and Ewald, I. and Friedrich, J. and Friedrich, J.M. and Grozinger, S. and Hedicke, S. and Jennewein, P. and Kahrau, M. and Kamalov, S.S. and Klein, F. and Krygier, K.W. and Liesenfeld, A. and Merkel, H. and Merle, P. and Muller, U. and Neuhausen, R. and Pospischil, T. and Potokar, M. and Rosner, G. and Schmieden, H. and Seimetz, M. and Sule, A. and Tiator, L. and Wagner, A. and Walcher, T.}, year = {2002}, pages = {142001 (1-4)}, keywords = {Beam-helicity asymmetry, Delta particle, hadron models}, journal = {Physical review letters}, volume = {88}, number = {14}, issn = {0031-9007}, title = {Measurement of the beam helicity asymmetry in the p(e\_pol), e' p)pi0 reaction at the energy of delta(1232) resonance}, keyword = {Beam-helicity asymmetry, Delta particle, hadron models} }
@article{article, author = {Bartsch, P. and Baumann, D. and Bermuth, J. and Bohm, R. and Bohinc, K. and Bosnar, Damir and Ding, M. and Distler, M. and Drechsel, D. and Elsner, D. and Ewald, I. and Friedrich, J. and Friedrich, J.M. and Grozinger, S. and Hedicke, S. and Jennewein, P. and Kahrau, M. and Kamalov, S.S. and Klein, F. and Krygier, K.W. and Liesenfeld, A. and Merkel, H. and Merle, P. and Muller, U. and Neuhausen, R. and Pospischil, T. and Potokar, M. and Rosner, G. and Schmieden, H. and Seimetz, M. and Sule, A. and Tiator, L. and Wagner, A. and Walcher, T.}, year = {2002}, pages = {142001 (1-4)}, keywords = {Beam-helicity asymmetry, Delta particle, hadron models}, journal = {Physical review letters}, volume = {88}, number = {14}, issn = {0031-9007}, title = {Measurement of the beam helicity asymmetry in the p(e\_pol), e' p)pi0 reaction at the energy of delta(1232) resonance}, keyword = {Beam-helicity asymmetry, Delta particle, hadron models} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE

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