Minimal complete sets for two-pseudoscalar-meson photoproduction

被引:5
作者
Kroenert, Philipp [1 ]
Wunderlich, Yannick [1 ]
Afzal, Farah [1 ]
Thiel, Annika [1 ]
机构
[1] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, Bonn, Germany
关键词
DOUBLE-PION-PHOTOPRODUCTION; DOUBLE PI(0) PHOTOPRODUCTION; CROSS-SECTION MEASUREMENT; REACTION GAMMA-P; HELICITY DEPENDENCE; SPIN OBSERVABLES; 1ST MEASUREMENT; RESONANCE; PROTON; THRESHOLD;
D O I
10.1103/PhysRevC.103.014607
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
For photoproduction reactions with final states consisting of two pseudoscalar mesons and a spin-1/2 baryon, eight complex amplitudes need to be determined uniquely. A modified version of Moravcsik's theorem is employed for these reactions, resulting in slightly overcomplete sets of polarization observables that are able to determine the amplitudes uniquely. Further steps were taken to reduce the found sets to minimal complete sets. As a final result, multiple minimal complete sets without any remaining ambiguities are presented for the first time. These sets consist of 2N = 16 observables, containing only one triple polarization observable.
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页数:13
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共 61 条
[1]   First measurement of the helicity dependence for the γp→pπ+π- reaction [J].
Ahrens, J. ;
Altieri, S. ;
Annand, J. R. M. ;
Arends, H. -J. ;
Beck, R. ;
Blackston, M. A. ;
Bradtke, C. ;
Braghieri, A. ;
d'Hose, N. ;
Dutz, H. ;
Fix, A. ;
Goertz, S. ;
Grabmayr, P. ;
Hasegawa, S. ;
Heid, E. ;
Holvoet, H. ;
Horikawa, N. ;
Iwata, T. ;
Jahn, O. ;
Jennewein, P. ;
Klein, F. ;
Kondratiev, R. ;
Lang, M. ;
Lannoy, B. ;
Lisin, V. ;
Martinez-Fabregate, M. ;
McGeorge, J. C. ;
Meyer, W. ;
Panzeri, A. ;
Pedroni, P. ;
Pinelli, T. ;
Preobrajenski, I. ;
Reicherz, G. ;
Rohlof, Ch. ;
Rosner, G. ;
Rost, M. ;
Rostomyan, T. ;
Ryckbosch, D. ;
Schumacher, M. ;
Seitz, B. ;
Tamas, G. ;
Thomas, A. ;
de Vyver, R. Van ;
Weller, H. R. ;
Zapadtka, F. .
EUROPEAN PHYSICAL JOURNAL A, 2007, 34 (01) :11-21
[2]   Intermediate resonance excitation in the γp→pπ0π0 reaction [J].
Ahrens, J ;
Altieri, S ;
Annand, JRM ;
Anton, G ;
Arends, HJ ;
Aulenbacher, K ;
Beck, R ;
Bradtke, C ;
Braghieri, A ;
Degrande, N ;
d'Hose, N ;
Dutz, H ;
Goertz, S ;
Grabmayr, P ;
Hansen, K ;
Harmsen, J ;
von Harrach, D ;
Hasegawa, S ;
Hasegawa, T ;
Heid, E ;
Helbing, K ;
Holvoet, H ;
Van Hoorebeke, L ;
Horikawa, N ;
Iwata, T ;
Jahn, O ;
Jennewein, P ;
Kageya, T ;
Kiel, B ;
Klein, F ;
Kondratiev, R ;
Kossert, K ;
Krimmer, J ;
Lang, M ;
Lannoy, B ;
Leukel, R ;
Lisin, V ;
Matsuda, T ;
McGeorge, JC ;
Meier, A ;
Menze, D ;
Meyer, W ;
Michel, T ;
Naumann, J ;
Panzeri, A ;
Pedroni, P ;
Pinelli, T ;
Preobrajenski, I ;
Radtke, E ;
Reichert, E .
PHYSICS LETTERS B, 2005, 624 (3-4) :173-180
[3]   Helicity dependence of the (γ)over-right-arrow (p)over-right-arrow → nπ+ π0 reaction in the second resonance region [J].
Ahrens, J ;
Altieri, S ;
Annand, JRM ;
Anton, G ;
Arends, HJ ;
Aulenbacher, K ;
Beck, R ;
Bradtke, C ;
Braghieri, A ;
Degrande, N ;
D'Hose, N ;
Dutz, H ;
Goertz, S ;
Grabmayr, P ;
Hansen, K ;
Harmsen, J ;
von Harrach, D ;
Hasegawa, S ;
Hasegawa, T ;
Heid, E ;
Helbing, K ;
Holvoet, H ;
Van Hoorebeke, L ;
Horikawa, N ;
Iwata, T ;
Jahn, O ;
Jennewein, P ;
Kageya, T ;
Kiel, B ;
Klein, F ;
Kondratiev, R ;
Kossert, K ;
Krimmer, J ;
Lang, M ;
Lannoy, B ;
Leukel, R ;
Lisin, V ;
Matsuda, T ;
McGeorge, JC ;
Meier, A ;
Menze, D ;
Meyer, W ;
Michel, T ;
Naumann, J ;
Panzeri, A ;
Pedroni, P ;
Pinelli, T ;
Preobrajenski, I ;
Radtke, E ;
Reichert, E .
PHYSICS LETTERS B, 2003, 551 (1-2) :49-55
[4]   Double π0 photoproduction on the neutron at GRAAL [J].
Ajaka, J. ;
Assafiri, Y. ;
Bartalini, O. ;
Bellini, V. ;
Bouchigny, S. ;
Castoldi, M. ;
D'Angelo, A. ;
Didelez, J. P. ;
Di Salvo, R. ;
Fantini, A. ;
Fichen, L. ;
Gervino, G. ;
Ghio, F. ;
Girolami, B. ;
Giusa, A. ;
Guidal, M. ;
Hourany, E. ;
Kunne, R. ;
Lapik, A. ;
Sandri, P. Levi ;
Moricciani, D. ;
Mushkarenkov, A. ;
Nedorezov, V. ;
Randieri, C. ;
Rudnev, N. ;
Russo, G. ;
Schaerf, C. ;
Sperduto, M. ;
Sutera, M. ;
Turinge, A. .
PHYSICS LETTERS B, 2007, 651 (2-3) :108-113
[5]   Simultaneous photoproduction of η and π0 mesons on the proton [J].
Ajaka, J. ;
Assafiri, Y. ;
Bartalini, O. ;
Bellini, V. ;
Bouchigny, S. ;
Castoldi, M. ;
D'Angelo, A. ;
Didelez, J. P. ;
Di Salvo, R. ;
Doering, M. ;
Fantini, A. ;
Fichen, L. ;
Gervino, G. ;
Ghio, F. ;
Girolami, B. ;
Giusa, A. ;
Guidal, M. ;
Hourany, E. ;
Kunne, R. ;
Lapik, A. ;
Sandri, P. Levi ;
Moricciani, D. ;
Mushkarenkov, A. ;
Nedorezov, V. ;
Oset, E. ;
Randieri, C. ;
Rudnev, N. ;
Russo, G. ;
Schaerf, C. ;
Sperduto, M. ;
Sutera, M. ;
Turinge, A. .
PHYSICAL REVIEW LETTERS, 2008, 100 (05)
[6]   Complete set of observables for photoproduction of two pseudoscalars on a nucleon [J].
Arenhoevel, H. ;
Fix, A. .
PHYSICAL REVIEW C, 2014, 89 (03)
[7]   Double π0 photoproduction on the proton at GRAAL -: art. no. 222001 [J].
Assafiri, Y ;
Bartalini, O ;
Bellini, V ;
Bocquet, JP ;
Bouchigny, S ;
Capogni, M ;
Castoldi, M ;
D'Angelo, A ;
Didelez, JP ;
Di Salvo, R ;
Fantini, A ;
Fichen, L ;
Gervino, G ;
Ghio, F ;
Girolami, B ;
Giusa, A ;
Guidal, M ;
Hourany, E ;
Kouznetsov, V ;
Kunne, R ;
Laget, JM ;
Lapik, A ;
Sandri, PL ;
Lleres, A ;
Moricciani, D ;
Nedorezov, V ;
Rebreyend, D ;
Randieri, C ;
Renard, F ;
Rudnev, N ;
Schaerf, C ;
Sperduto, M ;
Sutera, M ;
Turinge, A ;
Zucchiatti, A .
PHYSICAL REVIEW LETTERS, 2003, 90 (22)
[8]   The Beam-Helicity Asymmetry for γp → pK+K- and γp → pπ+π- [J].
Badui, R. A. ;
Bono, J. ;
Guo, L. ;
Raue, B. A. .
XVITH INTERNATIONAL CONFERENCE ON HADRON SPECTROSCOPY (HADRON2015), 2016, 1735
[9]   COMPLETE EXPERIMENTS IN PSEUDOSCALAR PHOTOPRODUCTION [J].
BARKER, IS ;
DONNACHIE, A ;
STORROW, JK .
NUCLEAR PHYSICS B, 1975, 95 (02) :347-356
[10]   Julia: A Fresh Approach to Numerical Computing [J].
Bezanson, Jeff ;
Edelman, Alan ;
Karpinski, Stefan ;
Shah, Viral B. .
SIAM REVIEW, 2017, 59 (01) :65-98