A method to measure the resonance transitions between the gravitationally bound quantum states of neutrons in the GRANIT spectrometer

被引：37

作者：

Kreuz, M. ^{[1
]}

Nesvizhevsky, V. V. ^{[1
]}

Schmidt-Wellenburg, P. ^{[1
]}

Soldner, T. ^{[1
]}

Thomas, M. ^{[1
]}

Boerner, H. G. ^{[1
]}

Naraghi, F. ^{[2
]}

Pignol, G. ^{[2
]}

Protasov, K. V. ^{[2
]}

Rebreyend, D. ^{[2
]}

Vezzu, F. ^{[2
]}

Flaminio, R. ^{[3
]}

Michel, C. ^{[3
]}

Morgado, N. ^{[3
]}

Pinard, L. ^{[3
]}

Baessler, S. ^{[4
]}

Gagarski, A. M. ^{[5
]}

Grigorieva, L. A. ^{[5
]}

Kuzmina, T. M. ^{[6
]}

Meyerovich, A. E. ^{[7
]}

Mezhov-Deglin, L. P. ^{[8
]}

Petrov, G. A. ^{[5
]}

Strelkov, A. V. ^{[9
]}

Voronin, A. Yu. ^{[10
]}

机构：

[1] ILL Grenoble, F-38042 Grenoble, France

[2] UJF, LPSC, IN2P3, INPG, F-38026 Grenoble, France

[3] LMA, F-69622 Villeurbanne, France

[4] Univ Virginia, Charlottesville, VA 22904 USA

[5] PNPI, St Petersburg Nucl Phys Inst, Gatchina 188350, Leningrad Reg, Russia

[6] Khlopin Inst, St Petersburg 194021, Russia

[7] Univ Rhode Isl, Kingston, RI 02881 USA

[8] ISSP, Chernogolovka 142432, Moscow Reg, Russia

[9] Joint Inst Nucl Res, Dubna 141980, Moscow Reg, Russia

[10] Lebedev Inst, Moscow 119991, Russia

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 611卷 / 2-3期

基金：

美国国家科学基金会;

关键词：

Quantum mechanics; Gravity; Ultracold neutrons; Fundamental particle physics; GRAVITY; FIELD; CONSTRAINTS; PARTICLES; RANGE;

D O I：

10.1016/j.nima.2009.07.059

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We present a method to measure the resonance transitions between the gravitationally bound quantum states of neutrons in the GRANIT spectrometer. The purpose of GRANIT is to improve the accuracy of measurement of the quantum states parameters by several orders of magnitude, taking advantage of long storage of ultracold neutrons at specular trajectories. The transitions could be excited using a periodic spatial variation of a magnetic field gradient. If the frequency of such a perturbation (in the frame of a moving neutron) coincides with a resonance frequency defined by the energy difference of two quantum states, the transition probability will sharply increase. The GRANIT experiment is motivated by searches for short-range interactions (in particular spin-dependent interactions), by studying the interaction of a quantum system with a gravitational field, by searches for extensions of the Standard model, by the unique possibility to check the equivalence principle for an object in a quantum state and by studying various quantum optics phenomena. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：326 / 330

页数：5

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