Helicity amplitudes A1/2 and A3/2 for the D13(1520) resonance obtained from the (γ)over-right-arrow(p)over-right-arrow→pπ0 reaction -: art. no. 232002

被引：77

作者：

Ahrens, J

Altieri, S

Annand, JRM

Anton, G

Arends, HJ ^{[1
]}

Aulenbacher, K

Beck, R

Bradtke, C

Braghieri, A

Degrande, N

d'Hose, N

Drechsel, D

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

Kamalov, S

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

机构：

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

[2] Joint Inst Nucl Res Dubna, Theoret Phys Lab, Moscow 101000, Russia

[3] Ruhr Univ Bochum, Inst Phys Expt, D-44801 Bochum, Germany

[4] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

[5] Univ Erlangen Nurnberg, Inst Phys, D-91058 Erlangen, Germany

[6] Univ Ghent, B-9000 Ghent, Belgium

[7] CEA Saclay, DSM, DAPNIA, SPhN, F-91191 Gif Sur Yvette, France

[8] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland

[9] Univ Gottingen, Inst Phys 2, D-37073 Gottingen, Germany

[10] Lund Univ, Dept Phys, Lund, Sweden

[11] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[12] Miyazaki Univ, Fac Engn, Miyazaki 88921, Japan

[13] Russian Acad Sci, Inst Nucl Res, Moscow, Russia

[14] Nagoya Univ, Dept Phys, Chikusa Ku, Nagoya, Aichi 464, Japan

[15] Nagoya Univ, CIRSE, Chikusa Ku, Nagoya, Aichi 464, Japan

[16] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy

[17] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy

[18] Univ Tubingen, Inst Phys, D-72076 Tubingen, Germany

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.88.232002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The helicity dependence of the (gamma) over right arrow(p) over right arrow -->ppi(0) reaction has been measured for the first time in the photon-energy range from 550 to 790 MeV. The experiment, performed at the Mainz microtron MAMI, used a 4pi -detector system, a circularly polarized, tagged photon beam, and a longitudinally polarized frozen-spin target. These data are predominantly sensitive to the D-13(1520) resonance and are used to determine its helicity amplitudes.

引用

页数：5

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