First measurement of the Gerasimov-Drell-Hearn integral for 1H from 200 to 800 MeV -: art. no. 022003

被引：174

作者：

Ahrens, J

Altierí, S

Annand, JRM

Anton, G

Arends, HJ ^{[1
]}

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

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

Owens, RO

Panzeri, A

Pedroni, P

Pinellì, T

Preobrajenski, I

Radtke, E

Reichert, E

机构：

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

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

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

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

[5] State Univ Ghent, B-9000 Ghent, Belgium

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

[7] Univ Glasgow, Dept Phys & Astron, Glasgow, Lanark, Scotland

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

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

[10] Univ Mainz, Inst Phys, D-55099 Mainz, Germany

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

[12] Russian Acad Sci, INR, Moscow, Russia

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

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

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

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

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.87.022003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A direct measurement of the helicity dependence of the total photoabsorption cross section an the proton was carried out at MAMI (Mainz) in the energy range 200 < E-<gamma> < 800 MeV. The experiment used a 4<pi> detection system, a circularly polarized. tagged photon beam, and a frozen spin target. The contributions to the Gerasimov-Drell-Hearn sum rule and to the forward spin polarizability gamma (0) determined from the data are 226 +/- 5(stat) +/- 12(syst) mub and -187 +/- 8(stat) +/- 10(syst) x 10(-6) fm(4), respectively, for 200 < E-<gamma> < 800 MeV.

引用

页码：1 / 022003

页数：5

共 38 条

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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 ;

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 ;

Owens, RO ;

Panzeri, A ;

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