Exclusive $π^{-}$ Electroproduction off the Neutron in Deuterium in the Resonance Region

Tian, Y.; Gothe, R. W.; Mokeev, V. I.; Hollis, G.; Amaryan, M. J.; Armstrong, W. R.; Atac, H.; Avakian, H.; Barion, L.; Battaglieri, M.; Bedlinskiy, I.; Benkel, B.; Benmokhtar, F.; Bianconi, A.; Biondo, L.; Biselli, A.; Bossù, F.; Boiarinov, S.; Bondì, M.; Brinkmann, K. T.; Briscoe, W. J.; Bueltmann, S.; Bulumulla, D.; Burkert, V. D.; Capobianco, R.; Carman, D. S.; Carvajal, J. C.; Celentano, A.; Chesnokov, V.; Chetry, T.; Ciullo, G.; Clash, G.; Cole, P. L.; Contalbrigo, M.; Costantini, G.; D'Angelo, A.; Dashyan, N.; De Vita, R.; Defurne, M.; Deur, A.; Diehl, S.; Djalali, C.; Dupre, R.; Egiyan, H.; Alaoui, A. El; Fassi, L. El; Elouadrhiri, L.; Eugenio, P.; Fegan, S.; Filippi, A.; Gavalian, G.; Gilfoyle, G. P.; Girod, F. X.; Golubenko, A. A.; Gosta, G.; Griffioen, K.; Guidal, M.; Hakobyan, H.; Hattawy, M.; Hayward, T. B.; Hobart, A.; Holtrop, M.; Ilieva, Y.; Ireland, D. G.; Isupov, E. L.; Jenkins, D.; Jo, H. S.; Joo, K.; Joosten, S.; Keller, D.; Khanal, A.; Khandaker, M.; Kim, A.; Kim, W.; Klein, F. J.; Kripko, A.; Kubarovsky, V.; Lagerquist, V.; Lanza, L.; Leali, M.; Lenisa, P.; Livingston, K.; MacGregor, I. . J . D.; Marchand, D.; Marsicano, L.; Mascagna, V.; McKinnon, B.; Migliorati, S.; Mineeva, T.; Mirazita, M.; Camacho, C. Munoz; Nadel-Turonski, P.; Naidoo, P.; Neupane, K.; Newton, J.; Niccolai, S.; Nicol, M.; Niculescu, G.; Osipenko, M.; Pandey, P.; Paolone, M.; Pappalardo, L. L.; Paremuzyan, R.; Park, K.; Pasyuk, E.; Paul, S. J.; Phelps, W.; Pilleux, N.; Počanić, D.; Pogorelko, O.; Poudel, J.; Price, J. W.; Prok, Y.; Reed, T.; Ripani, M.; Ritman, J.; Rizzo, A.; Rosner, G.; Sabatié, F.; Salgado, C.; Schadmand, S.; Schmidt, A.; Schumacher, R. A.; Shirokov, E. V.; Shrestha, U.; Simmerling, P.; Sokhan, D.; Sparveris, N.; Stepanyan, S.; Strakovsky, I. I.; Strauch, S.; Tyson, R.; Ungaro, M.; Venturelli, L.; Voskanyan, H.; Voutier, E.; Watts, D. P.; Wei, K.; Wei, X.; Wood, M. H.; Yale, B.; Zachariou, N.; Zhang, J.

doi:10.48550/arxiv.2203.16785

Cited by 1 publication

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“…The situation would be clarified if the neutron helicity amplitudes of N * were better constrained. Much progress has been made recently in this direction because of the newly released data of γn reactions [50][51][52], also γn → K 0 Λ/K 0 Σ 0 from A2 [53], BGOOD [54], and CLAS Collaboration [55], γn → K + Σ − from CLAS Collaboration [56,57], and γn → π 0 n from A2 Collaboration [58], γn → π − p from CLAS [59] and PIONS@MAX-lab [60,61] and CLAS Collaboration [62]. So the model analysis of this structure was expected to be refined soon.…”

Section: Introductionmentioning

confidence: 99%

Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom

Xu¹

2023

Preprint

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Accessing a full image of the inner content of hadrons represents a central endeavour of modern particle physics, with the main scientific motivation to investigate the strong interaction binding the visible matter. On the one hand, the structure of known exotic candidates is a fundamental open issue addressed widely by scientists. On the other hand, looking for new states of exotic nature is a central component for theoretical and experimental efforts from electron-positron machine and electron accelerator with fixed target to heavy ion and electron-ion colliders. In this article we present a succinct short overview of the attempt to search for exotic narrow N * and Z states containing light quarks only or also charm, and its connotation for bottom regions (the latter two are also known as P c (Z c ) and P b (Z b ) states, respectively in the literature). We address the effort of searching for exotic narrow N * and Z states in light quark sector. We focus on recent progress in searching for signal of P c and Z c states photoproduction and its implication into the P b and Z b photoproduction and their decay properties. We also discuss future perspectives for the field in electron-ion colliders, a good place to disentangle the nature of some of these states and investigate some other enlightening topics including QCD trace anomaly and quarkonium-nucleon scattering length.

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Section: Introductionmentioning

confidence: 99%

Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom

Xu¹

2023

Preprint

View full text Add to dashboard Cite

show abstract

Exclusive $π^{-}$ Electroproduction off the Neutron in Deuterium in the Resonance Region

Cited by 1 publication

References 50 publications

Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom

Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom

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