Proposed antimatter gravity measurement with an antihydrogen beam

被引：226

作者：

Kellerbauer, A. ^{[1
]}

Amoretti, M. ^{[1
]}

Belov, A. S. ^{[2
]}

Bonomic, G. ^{[3
,4
]}

Boscolo, I. ^{[5
,6
]}

Brusa, R. S. ^{[7
]}

Buchner, M. ^{[8
,9
]}

Byakov, V. M. ^{[10
]}

Cabaret, L. ^{[11
]}

Canali, C. ^{[12
,13
]}

Carraro, C. ^{[12
,13
]}

Castelli, F. ^{[5
,6
]}

Cialdi, S. ^{[5
,6
]}

de Combarieu, M. ^{[15
]}

Comparat, D. ^{[11
]}

Consolati, G. ^{[14
]}

Djourelov, N. ^{[16
]}

Doser, M. ^{[17
]}

Drobychev, G. ^{[18
]}

Dupasquier, A.

Ferrari, G. ^{[19
,20
,21
]}

Forget, P. ^{[15
]}

Formaro, L. ^{[5
,6
]}

Gervasini, A. ^{[5
,6
,14
]}

Giammarchi, M. G. ^{[5
,6
]}

Gninenko, S. N. ^{[2
]}

Gribakin, G. ^{[22
]}

Hogan, S. D. ^{[23
]}

Jacquey, M. ^{[8
,9
]}

Lagomarsino, V. ^{[12
,13
]}

Manuzio, G. ^{[12
,13
]}

Mariazzi, S. ^{[7
]}

Matveev, V. A. ^{[2
]}

Meier, J. O. ^{[1
]}

Merkt, F. ^{[23
]}

Nedelec, P. ^{[18
]}

Oberthaler, M. K. ^{[24
]}

Parik, P. ^{[15
]}

Prevedelli, M. ^{[19
,20
,21
]}

Quasso, F. ^{[14
]}

Rotondi, A. ^{[3
,4
]}

Sillou, D. ^{[18
]}

Stepanov, S. V. ^{[10
]}

Strokes, H. H. ^{[25
]}

Testera, G. ^{[12
,13
]}

Tino, G. M. ^{[19
]}

Trenec, G. ^{[8
,9
,20
,21
]}

Vairo, A. ^{[5
,6
]}

Vigufe, J. ^{[8
,9
]}

Walters, H. ^{[22
]}

机构：

[1] Max Planck Inst Nucl Phys, D-69029 Heidelberg, Germany

[2] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[3] Univ Pavia, Ist Nazl Fis Nucl, I-27100 Pavia, Italy

[4] Univ Pavia, Dept Phys, I-27100 Pavia, Italy

[5] Univ Milan, Ist Nazl Fis Nucl, I-20133 Milan, Italy

[6] Univ Milan, Dept Phys, I-20133 Milan, Italy

[7] Univ Trent, Dept Phys, I-38100 Trento, Italy

[8] Univ Toulouse 3, Lab Collis Agregats Reactivite, IRSAMC, F-31062 Toulouse, France

[9] CNRS, UMR 5589, F-31062 Toulouse, France

[10] Inst Theoret & Expt Phys, Moscow 117218, Russia

[11] CNRS II, Aime Cotton Lab, F-91405 Orsay, France

[12] Univ Genoa, Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[13] Univ Genoa, Dept Phys, I-16146 Genoa, Italy

[14] Politecn Milan, I-20133 Milan, Italy

[15] CEA Saclay, Lab Basse Temp, SPEC DRECAM DSM, F-91191 Gif Sur Yvette, France

[16] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BU-1784 Sofia, Bulgaria

[17] CERN, Dept Phys, CH-1211 Geneva 23, Switzerland

[18] Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France

[19] Univ Florence, Ist Nazl Fis Nucl, I-50019 Florence, Italy

[20] Univ Florence, Dept Phys, I-50019 Florence, Italy

[21] INFM, LENS, CNR, I-50019 Florence, Italy

[22] Queens Univ Belfast, Dept Appl Math & Theoret Phys, Belfast BT7 1NN, Antrim, North Ireland

[23] ETH, Phys Chem Lab, CH-8093 Zurich, Switzerland

[24] Heidelberg Univ, Kirchhoff Inst Phys, D-69120 Heidelberg, Germany

[25] NYU, Dept Phys, New York, NY 10003 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2008年 / 266卷 / 03期

关键词：

antimatter; gravity; matter interferometry; deflectometry; weak equivalence principle; positronium; porous insulator;

D O I：

10.1016/j.nimb.2007.12.010

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The principle of the equivalence of gravitational and inertial mass is one of the cornerstones of general relativity. Considerable efforts have been made and are still being made to verify its validity. A quantum-mechanical formulation of gravity allows for non-Newtonian contributions to the force which might lead to a difference in the gravitational force on matter and antimatter. While it is widely expected that the gravitational interaction of matter and of antimatter should be identical, this assertion has never been tested experimentally. With the production of large amounts of cold antihydrogen at the CERN Antiproton Decelerator, such a test with neutral antimatter atoms has now become feasible. For this purpose, we have proposed to set up the AEGIS experiment at CERN/AD, whose primary goal will be the direct measurement of the Earth's gravitational acceleration on antihydrogen with a classical Moire deflectometer. (c) 2007 Published by Elsevier B.V.

引用

页码：351 / 356

页数：6

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