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Pregled bibliografske jedinice broj: 675548

Measurements of the γ*p → Δ reaction at low Q2

Sparveris, N.; Stave, S.; Achenbach, P.; Ayerbe Gayoso, C.; Baumann, D.; Bernauer, J.; Bernstein, A.M.; Böhm, R.; Bosnar, Damir; Botto, T. et al.
Measurements of the γ*p → Δ reaction at low Q2 // European physical journal A : hadrons and nuclei, 49 (2013), 136-142 doi:10.1140/epja/i2013-13136-2 (međunarodna recenzija, članak, znanstveni)

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Naslov
Measurements of the γ*p → Δ reaction at low Q2

Autori
Sparveris, N. ; Stave, S. ; Achenbach, P. ; Ayerbe Gayoso, C. ; Baumann, D. ; Bernauer, J. ; Bernstein, A.M. ; Böhm, R. ; Bosnar, Damir ; Botto, T. ; Christopoulou, A. ; Dale, D. ; Ding, M. ; Distler, M.O. ; Doria, L. ; Friedrich, J. ; Karabarbounis, A ; Makek, Mihael ; Merkel, H. ; Müller, U. ; Nakagawa, I. ; Neuhausen, R. ; Nungesser, L. ; Papanicolas, C.P. ; Piegsa, A. ; Pochodzalla, J. ; Potokar, M. ; Seimetz, M. ; Širca, S. ; Stiliaris, S. ; Walcher, Th. M. Weis

Izvornik
European physical journal A : hadrons and nuclei (1434-6001) 49 (2013); 136-142

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

Ključne riječi
electron scattering; pion production; chiral effective field theory

Sažetak
We report new p(e, e'p)pi0 measurements in the Delta+(1232) resonance at the low momentum transfer region utilizing the magnetic spectrometers of the A1 Collaboration at MAMI. The mesonic cloud dynamics are predicted to be dominant and appreciably changing in this region while the momentum transfer is sufficiently low to be able to test chiral effective field theory calculations. The results disagree with predictions of constituent quark models and are in reasonable agreement with dynamical calculations with pion cloud effects, chiral effective field theory and lattice calculations. The reported measurements suggest that improvement is required to the theoretical calculations and provide valuable input that will allow their refinements.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
119-1191005-1021 - QCD i jezgre; primjena nuklearnih metoda:materijali,medicina,okoliš (Bosnar, Damir, MZOS ) ( CroRIS)

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Mihael Makek (autor)

Avatar Url Damir Bosnar (autor)

Poveznice na cjeloviti tekst rada:

doi link.springer.com

Citiraj ovu publikaciju:

Sparveris, N.; Stave, S.; Achenbach, P.; Ayerbe Gayoso, C.; Baumann, D.; Bernauer, J.; Bernstein, A.M.; Böhm, R.; Bosnar, Damir; Botto, T. et al.
Measurements of the γ*p → Δ reaction at low Q2 // European physical journal A : hadrons and nuclei, 49 (2013), 136-142 doi:10.1140/epja/i2013-13136-2 (međunarodna recenzija, članak, znanstveni)
Sparveris, N., Stave, S., Achenbach, P., Ayerbe Gayoso, C., Baumann, D., Bernauer, J., Bernstein, A., Böhm, R., Bosnar, D. & Botto, T. (2013) Measurements of the γ*p → Δ reaction at low Q2. European physical journal A : hadrons and nuclei, 49, 136-142 doi:10.1140/epja/i2013-13136-2.
@article{article, author = {Sparveris, N. and Stave, S. and Achenbach, P. and Ayerbe Gayoso, C. and Baumann, D. and Bernauer, J. and Bernstein, A.M. and B\"{o}hm, R. and Bosnar, Damir and Botto, T. and Christopoulou, A. and Dale, D. and Ding, M. and Distler, M.O. and Doria, L. and Friedrich, J. and Karabarbounis, A and Makek, Mihael and Merkel, H. and M\"{u}ller, U. and Nakagawa, I. and Neuhausen, R. and Nungesser, L. and Papanicolas, C.P. and Piegsa, A. and Pochodzalla, J. and Potokar, M. and Seimetz, M. and \v{S}irca, S. and Stiliaris, S. and Walcher, Th. M. Weis}, year = {2013}, pages = {136-142}, DOI = {10.1140/epja/i2013-13136-2}, keywords = {electron scattering, pion production, chiral effective field theory}, journal = {European physical journal A : hadrons and nuclei}, doi = {10.1140/epja/i2013-13136-2}, volume = {49}, issn = {1434-6001}, title = {Measurements of the γ\astp → Δ reaction at low Q2}, keyword = {electron scattering, pion production, chiral effective field theory} }
@article{article, author = {Sparveris, N. and Stave, S. and Achenbach, P. and Ayerbe Gayoso, C. and Baumann, D. and Bernauer, J. and Bernstein, A.M. and B\"{o}hm, R. and Bosnar, Damir and Botto, T. and Christopoulou, A. and Dale, D. and Ding, M. and Distler, M.O. and Doria, L. and Friedrich, J. and Karabarbounis, A and Makek, Mihael and Merkel, H. and M\"{u}ller, U. and Nakagawa, I. and Neuhausen, R. and Nungesser, L. and Papanicolas, C.P. and Piegsa, A. and Pochodzalla, J. and Potokar, M. and Seimetz, M. and \v{S}irca, S. and Stiliaris, S. and Walcher, Th. M. Weis}, year = {2013}, pages = {136-142}, DOI = {10.1140/epja/i2013-13136-2}, keywords = {electron scattering, pion production, chiral effective field theory}, journal = {European physical journal A : hadrons and nuclei}, doi = {10.1140/epja/i2013-13136-2}, volume = {49}, issn = {1434-6001}, title = {Measurements of the γ\astp → Δ reaction at low Q2}, keyword = {electron scattering, pion production, chiral effective field theory} }

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

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