About: Muon g-2

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Muon g − 2 (pronounced "gee minus two") is a particle physics experiment at Fermilab to measure the anomalous magnetic dipole moment of a muon to a precision of 0.14 ppm, which will be a sensitive test of the Standard Model. It might also provide evidence of the existence of entirely new particles.

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rdfs:label	Muon g-2 (de) Muon g−2 (it) Muon g-2 (en) ミューオンg-2実験 (ja) 缪子g-2 (zh)
rdfs:comment	缪子g-2（Muon g-2）是费米国立加速器实验室的一项粒子物理实验，該實驗的目的是测量μ子的異常磁矩，實驗精度达到0.14ppm，該實驗也是标准模型的一次敏感度测试。實驗还可能提供全新粒子存在的证据。 (zh) Muon g-2 ist ein Teilchenphysikexperiment am Fermilab mit dem Ziel, den Landé-Faktor (g-Faktor) des Myons genauer zu vermessen. Der Landé-Faktor beschreibt das Verhältnis der Stärke des quantenmechanischen Magnetfelds zur Erwartung aus der klassischen Physik, für Myonen ist der Faktor etwas größer als 2. Die Abweichung von 2 soll mit einer Präzision von 0,14 ppm gemessen werden. Da die erwartete Abweichung mit ähnlicher Präzision vorhergesagt werden kann, ist dies ein genauer Test des Standardmodells. Stimmen Vorhersage und Messwert nicht überein, ist dies ein Hinweis auf Physik jenseits des Standardmodells, beispielsweise von noch unentdeckten Teilchen. Bisherige Experimente fanden eine leichte Abweichung, waren aber nicht empfindlich genug, um eine zufällige Fluktuation des Messwerts als (de) Muon g − 2 (pronounced "gee minus two") is a particle physics experiment at Fermilab to measure the anomalous magnetic dipole moment of a muon to a precision of 0.14 ppm, which will be a sensitive test of the Standard Model. It might also provide evidence of the existence of entirely new particles. (en) Muon g−2 è un esperimento di fisica delle particelle al Fermilab per misurare il momento di dipolo magnetico anomalo di un muone con una precisione di 0,14 ppm (parti per milione), che sarà un test fondamentale per testare il modello standard. Potrebbe anche fornire la prova dell'esistenza di particelle completamente nuove. (it) ミューオンg-2実験（ミューオン・ジー・マイナス・ツーじっけん、muon g-2）は、フェルミ国立加速器研究所で行われている素粒子物理学の実験で、ミュー粒子（ミューオン）の異常な磁気双極子モーメントを0.14ppmの精度で測定し、標準模型の高感度試験を行うものである。また、全く新しい粒子の存在を示す証拠にもなる可能性がある。ミュー粒子は、より軽い電子と同様に、回転する磁石のような働きをする。g因子と呼ばれるパラメータは、磁石の強さ（磁気モーメント）とその回転速度（磁気回転比）を示す。gは2よりわずかに大きい値であるため、この実験ではg-2の値を測定しており、それが実験の名前になっている。このgと2との差（「異常」の部分）は、場の量子論からの高次の寄与によって生じる。g-2を高精度で測定し、その値を理論予測値と比較することで、実験が理論と一致しているかどうかを知ることができる。理論値と測定値がずれていれば、まだ発見されていない素粒子や物理法則の存在が示唆されることになる。 (ja)
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dcterms:subject	Particle experiments Fermilab experiments Research projects
Wikipage page ID	53887100 (xsd:integer)
Wikipage revision ID	1111595779 (xsd:integer)
Link from a Wikipage to another Wikipage	Quantum field theory Electric dipole moment NMR Parts-per notation Fermi National Accelerator Laboratory Batavia, Illinois Boston University Anomalous magnetic dipole moment Joint Institute for Nuclear Research Regis University University College London University of Chicago University of Illinois at Urbana-Champaign University of Kentucky University of Liverpool University of Manchester University of Massachusetts University of Michigan University of Mississippi University of Naples Federico II University of Virginia University of Washington University of Udine University of Molise Confidence interval Cornell University Particle detector Superconducting magnet Electron Mississippi River Mobile, Alabama Muon Laboratori Nazionali di Frascati Long Island Calorimeter (particle physics) Standard Model Statistical significance Leon Lederman Particle physics Parts per million Photomultiplier Brookhaven National Laboratory Budker Institute of Nuclear Physics Byte CERN Data acquisition G-factor (physics) Alternating Gradient Synchrotron Particle experiments East Coast of the United States Fermilab North Central College Northern Illinois University Graphics processing unit Istituto Nazionale di Fisica Nucleare Particle decay Helium-3 James Madison University Tau (particle) Argonne National Laboratory Fermilab experiments Research projects Johannes Gutenberg University Mainz KAIST Lancaster University Lead(II) fluoride Physics beyond the Standard Model Institute for Basic Science Michigan State University R/IAmA Reddit Shanghai Jiao Tong University Shim (magnetism) Larmor frequency Gyration INSPIRE-HEP Tennessee–Tombigbee Waterway Technische Universitat Dresden GeV Standard Model of particle physics

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