Measurement of the Pion Form Factor with CMD-3 Detector and its Implication to the Hadronic Contribution to Muon (g-2)

被引：21

作者：

Ignatov, F. V. ^{[1
,2
]}

Akhmetshin, R. R. ^{[1
,2
]}

Amirkhanov, A. N. ^{[1
,2
]}

Anisenkov, A. V. ^{[1
,2
]}

Aulchenko, V. M. ^{[1
,2
]}

Bashtovoy, N. S. ^{[1
]}

Berkaev, D. E. ^{[1
,2
]}

Bondar, A. E. ^{[1
,2
]}

Bragin, A. V. ^{[1
]}

Eidelman, S. I. ^{[1
,2
]}

Epifanov, D. A. ^{[1
,2
]}

Epshteyn, L. B. ^{[1
,2
,3
]}

Erofeev, A. L. ^{[1
,2
]}

Fedotovich, G. V. ^{[1
,2
]}

Gorkovenko, A. O. ^{[1
,3
]}

Grancagnolo, F. J. ^{[4
]}

Grebenuk, A. A. ^{[1
,2
]}

Gribanov, S. S. ^{[1
,2
]}

Grigoriev, D. N. ^{[1
,2
,3
]}

Ivanov, V. L. ^{[1
,2
]}

Karpov, S. V. ^{[1
]}

Kasaev, A. S. ^{[1
]}

Kazanin, V. F. ^{[1
,2
]}

Khazin, B. I. ^{[1
]}

Kirpotin, A. N. ^{[1
]}

Koop, I. A. ^{[1
,2
]}

Korobov, A. A. ^{[1
,2
]}

Kozyrev, A. N. ^{[1
,2
,3
]}

Kozyrev, E. A. ^{[1
,2
]}

Krokovny, P. P. ^{[1
,2
]}

Kuzmenko, A. E. ^{[1
]}

Kuzmin, A. S. ^{[1
,2
]}

Logashenko, I. B. ^{[1
,2
]}

Lukin, P. A. ^{[1
,2
]}

Lysenko, A. P. ^{[1
]}

Mikhailov, K. Yu. ^{[1
,2
]}

Obraztsov, I. V. ^{[1
,2
]}

Okhapkin, V. S. ^{[1
]}

Otboev, A. V. ^{[1
]}

Perevedentsev, E. A. ^{[1
,2
]}

Pestov, Yu. N. ^{[1
]}

Popov, A. S. ^{[1
,2
]}

Razuvaev, G. P. ^{[1
,2
]}

Rogovsky, Yu. A. ^{[1
,2
]}

Ruban, A. A. ^{[1
]}

Ryskulov, N. M. ^{[1
]}

Ryzhenenkov, A. E. ^{[1
,2
]}

Semenov, A. V. ^{[1
,2
]}

Senchenko, A. I. ^{[1
]}

Shatunov, P. Yu. ^{[1
]}

机构：

[1] RAS, SB, Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

[3] Novosibirsk State Tech Univ, Novosibirsk 630092, Russia

[4] Inst Nazl Fis Nucl, Sez Lecce, Lecce, Italy

[5] Univ Victoria, Victoria, BC V8W 3P6, Canada

来源：

PHYSICAL REVIEW LETTERS | 2024年 / 132卷 / 23期

关键词：

ANOMALOUS MAGNETIC-MOMENT; PI(+)PI(-) CROSS-SECTION; E(+)E(-); UPDATE; RANGE;

D O I：

10.1103/PhysRevLett.132.231903

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The cross section of the process e(+) e(-) -> p(+) p(-) has been measured in the center-of-mass energy range from 0.32 to 1.2 GeV with the CMD-3 detector at the electron-positron collider VEPP-2000. The measurement is based on an integrated luminosity of about 88 pb(-1), of which 62 pb(-1) represent a complete dataset collected by CMD-3 at center-of-mass energies below 1 GeV. In the dominant region near the rho resonance a systematic uncertainty of 0.7% was achieved. The implications of the presented results for the evaluation of the hadronic contribution to the anomalous magnetic moment of the muon are discussed.

引用

页数：8

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