Near-threshold π-photoproduction on the deuteron

doi:10.1103/PhysRevC.101.035207

Near-threshold π-photoproduction on the deuteron

Physics And Astronomy

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Abstract

The first experimental investigation of the near-threshold cross section for incoherent π-photoproduction on the deuteron γd→π-pp is presented. The experimental technique involved detection of the ≈131 MeV γ ray resulting from the radiative capture of photoproduced π-in the target. The total cross section was measured using an unpolarized tagged-photon beam, a liquid-deuterium target, and three very large NaI(Tl) spectrometers. The data are compared to theoretical models that give insight into the elementary reaction γn→π-p and pion-nucleon and nucleon-nucleon final-state interactions.

Original language	English
Article number	035207
Journal	Physical Review C
Volume	101
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.101.035207
State	Published - Mar 2020

Bibliographical note

Publisher Copyright:
© 2020 authors. Published by the American Physical Society.

Funding

The authors would like to thank W. R. Gibbs, B. F. Gibson, and G. F. de Téramond for constructive discussions. The authors acknowledge support from the staff of the MAX IV Laboratory. This research has been supported by the Swedish Research Council (Contracts No. 40324901 and No. 80410001), the Crafoord Foundation (Grant No. 20060749), the Scottish Universities Physics Alliance (SUPA), the SUPA Prize Studentship, UK STFC Grants No. 57071/1 and No. 50727/1, U.S. NSF Grant No. PHY1309130, U.S. DOE Grants No. DE–SC0016581, No. DE–SC0016583 and No. DE–FG02–06ER41422, the NFS/IRES Award No. 0553467, RFBR Grants No. 16–02–00767 and No. 16–02–00767a, and the Deutsche Forschungsgemeinschaft (DFG) through the Collaborative Research Center, SFB 1044.

Funders	Funder number
IRES
US NFS
U.S. National Science Foundation (NSF)	PHY1309130
National Science Foundation (NSF)	0553467
Michigan State University-U.S. Department of Energy (MSU-DOE) Plant Research Laboratory	DE–SC0016583, DE–FG02–06ER41422, DE–SC0016581
Science and Technology Facilities Council	50727/1, 57071/1
Scottish Universities Physics Alliance
Deutsche Forschungsgemeinschaft	SFB 1044
Russian Foundation for Basic Research	16–02–00767a
Crafoordska Stiftelsen	20060749
Vetenskapsrådet	80410001, 40324901

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.101.035207

Cite this

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title = "Near-threshold π-photoproduction on the deuteron",

abstract = "The first experimental investigation of the near-threshold cross section for incoherent π-photoproduction on the deuteron γd→π-pp is presented. The experimental technique involved detection of the ≈131 MeV γ ray resulting from the radiative capture of photoproduced π-in the target. The total cross section was measured using an unpolarized tagged-photon beam, a liquid-deuterium target, and three very large NaI(Tl) spectrometers. The data are compared to theoretical models that give insight into the elementary reaction γn→π-p and pion-nucleon and nucleon-nucleon final-state interactions.",

author = "B. Strandberg and Fissum, {K. G.} and Annand, {J. R.M.} and Briscoe, {W. J.} and J. Brudvik and F. Cividini and L. Clark and Downie, {E. J.} and K. England and G. Feldman and Glazier, {D. I.} and K. Hamilton and K. Hansen and L. Isaksson and {Al Jebali}, R. and Kovash, {M. A.} and Kudryavtsev, {A. E.} and V. Lensky and S. Lipschutz and M. Lundin and M. Meshkian and Middleton, {D. G.} and Myers, {L. S.} and D. O'donnell and O'rielly, {G. V.} and B. Oussena and Preston, {M. F.} and B. Schr{\"o}der and B. Seitz and Strakovsky, {I. I.} and M. Taragin and Tarasov, {V. E.}",

note = "Publisher Copyright: {\textcopyright} 2020 authors. Published by the American Physical Society.",

year = "2020",

month = mar,

doi = "10.1103/PhysRevC.101.035207",

language = "English",

volume = "101",

number = "3",

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T1 - Near-threshold π-photoproduction on the deuteron

AU - Strandberg, B.

AU - Fissum, K. G.

AU - Annand, J. R.M.

AU - Briscoe, W. J.

AU - Brudvik, J.

AU - Cividini, F.

AU - Clark, L.

AU - Downie, E. J.

AU - England, K.

AU - Feldman, G.

AU - Glazier, D. I.

AU - Hamilton, K.

AU - Hansen, K.

AU - Isaksson, L.

AU - Al Jebali, R.

AU - Kovash, M. A.

AU - Kudryavtsev, A. E.

AU - Lensky, V.

AU - Lipschutz, S.

AU - Lundin, M.

AU - Meshkian, M.

AU - Middleton, D. G.

AU - Myers, L. S.

AU - O'donnell, D.

AU - O'rielly, G. V.

AU - Oussena, B.

AU - Preston, M. F.

AU - Schröder, B.

AU - Seitz, B.

AU - Strakovsky, I. I.

AU - Taragin, M.

AU - Tarasov, V. E.

PY - 2020/3

Y1 - 2020/3

N2 - The first experimental investigation of the near-threshold cross section for incoherent π-photoproduction on the deuteron γd→π-pp is presented. The experimental technique involved detection of the ≈131 MeV γ ray resulting from the radiative capture of photoproduced π-in the target. The total cross section was measured using an unpolarized tagged-photon beam, a liquid-deuterium target, and three very large NaI(Tl) spectrometers. The data are compared to theoretical models that give insight into the elementary reaction γn→π-p and pion-nucleon and nucleon-nucleon final-state interactions.

AB - The first experimental investigation of the near-threshold cross section for incoherent π-photoproduction on the deuteron γd→π-pp is presented. The experimental technique involved detection of the ≈131 MeV γ ray resulting from the radiative capture of photoproduced π-in the target. The total cross section was measured using an unpolarized tagged-photon beam, a liquid-deuterium target, and three very large NaI(Tl) spectrometers. The data are compared to theoretical models that give insight into the elementary reaction γn→π-p and pion-nucleon and nucleon-nucleon final-state interactions.

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JF - Physical Review C

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ER -

Near-threshold π-photoproduction on the deuteron

Abstract

Bibliographical note

Funding

ASJC Scopus subject areas

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