Measurement of the γp → K0Σ+ reaction with the Crystal Ball/TAPS detectors at the Mainz Microtron

被引：18

作者：

Aguar-Bartolome, P. ^{[1
]}

Annand, J. R. M. ^{[2
]}

Arends, H. J. ^{[1
]}

Bantawa, K. ^{[3
]}

Beck, R. ^{[4
]}

Bekrenev, V. ^{[5
]}

Berghaeuser, H. ^{[6
]}

Braghieri, A. ^{[7
]}

Briscoe, W. J. ^{[8
]}

Brudvik, J. ^{[9
]}

Cherepnya, S. ^{[10
]}

Codling, R. F. B. ^{[2
]}

Collicott, C. ^{[11
,12
]}

Demissie, B. ^{[8
]}

Dieterle, M. ^{[13
]}

Downie, E. J. ^{[1
,8
]}

Drexler, P. ^{[6
]}

Fil'kov, L. V. ^{[10
]}

Fix, A. ^{[14
]}

Glazier, D. I. ^{[15
]}

Gregor, R. ^{[6
]}

Hamilton, D. ^{[2
]}

Heid, E. ^{[1
,8
]}

Hornidge, D. ^{[16
]}

Howdle, D. ^{[2
]}

Isaksson, L. ^{[17
]}

Jaegle, I. ^{[13
]}

Jahn, O. ^{[1
]}

Jude, T. C. ^{[15
]}

Kashevarov, V. L. ^{[1
,10
]}

Keshelashvili, I. ^{[13
]}

Kondratiev, R. ^{[18
]}

Korolija, M. ^{[19
]}

Kotulla, M. ^{[6
]}

Koulbardis, A. ^{[5
]}

Kruglov, S. ^{[5
]}

Krusche, B. ^{[13
]}

Lisin, V. ^{[18
]}

Livingston, K. ^{[2
]}

MacGregor, I. J. D. ^{[2
]}

Maghrbi, Y. ^{[13
]}

Mancel, J. ^{[2
]}

Manley, D. M. ^{[3
]}

McNicoll, E. F. ^{[2
]}

Mekterovic, D. ^{[19
]}

Metag, V. ^{[6
]}

Mushkarenkov, A. ^{[7
]}

Nefkens, B. M. K. ^{[9
]}

Nikolaev, A. ^{[4
]}

Novotny, R. ^{[6
]}

机构：

[1] Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany

[2] Univ Glasgow, Sch Phys & Astron, SUPA, Glasgow G12 8QQ, Lanark, Scotland

[3] Kent State Univ, Kent, OH 44242 USA

[4] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany

[5] Petersburg Nucl Phys Inst, Gatchina 188350, Russia

[6] Univ Giessen, Inst Phys 2, D-35392 Giessen, Germany

[7] INFN Ses Pavia, I-27100 Pavia, Italy

[8] George Washington Univ, Washington, DC 20052 USA

[9] Univ Calif Los Angeles, Los Angeles, CA 90095 USA

[10] PN Lebedev Phys Inst, Moscow 119991, Russia

[11] Dalhousie Univ, Halifax, NS B3H 4R2, Canada

[12] St Marys Univ, Halifax, NS B3H 3C3, Canada

[13] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland

[14] Tomsk Polytech Univ, Lab Math Phys, Tomsk 634050, Russia

[15] Univ Edinburgh, Sch Phys, SUPA, Edinburgh EH9 3JZ, Midlothian, Scotland

[16] Mt Allison Univ, Sackville, NB E4L 1E6, Canada

[17] Lund Univ, SE-22100 Lund, Sweden

[18] Inst Nucl Res, Moscow 125047, Russia

[19] Rudjer Boskovic Inst, HR-10000 Zagreb, Croatia

[20] Catholic Univ Amer, Washington, DC 20064 USA

来源：

PHYSICAL REVIEW C | 2013年 / 88卷 / 04期

基金：

美国国家科学基金会; 英国科学技术设施理事会; 加拿大自然科学与工程研究理事会;

关键词：

PHOTON ENERGIES; SPECTROMETER; PHOTOPRODUCTION;

D O I：

10.1103/PhysRevC.88.044601

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：

The gamma p -> K-0 Sigma(+) reaction has been measured from threshold to E-gamma = 1.45 GeV (W-CM = 1.9 GeV) using the Crystal Ball and TAPS multiphoton spectrometers together with the photon tagging facility at the Mainz Microtron MAMI. In the present experiment, this reaction was searched for in the 3 pi(0)p final state, by assuming K-S(0) -> pi(0)pi(0) and Sigma(+) -> pi(0)p. The experimental results include total and differential cross sections as well as the polarization of the recoil hyperon. The new data significantly improve empirical knowledge about the gamma p -> K-0 Sigma(+) reaction in the measured energy range. The results are compared to previous measurements and model predictions. It is demonstrated that adding the present gamma p -> K-0 Sigma(+) results to existing data allowed a better description of this reaction with various models.

引用

页数：11

共 35 条

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