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We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range between the most sensitive ranges of LISA and the terrestrial…

广义相对论与量子宇宙学 · 物理学 2020-07-22 Yousef Abou El-Neaj , Cristiano Alpigiani , Sana Amairi-Pyka , Henrique Araujo , Antun Balaz , Angelo Bassi , Lars Bathe-Peters , Baptiste Battelier , Aleksandar Belic , Elliot Bentine , Jose Bernabeu , Andrea Bertoldi , Robert Bingham , Diego Blas , Vasiliki Bolpasi , Kai Bongs , Sougato Bose , Philippe Bouyer , Themis Bowcock , William Bowden , Oliver Buchmueller , Clare Burrage , Xavier Calmet , Benjamin Canuel , Laurentiu-Ioan Caramete , Andrew Carroll , Giancarlo Cella , Vassilis Charmandaris , Swapan Chattopadhyay , Xuzong Chen , Maria Luisa Chiofalo , Jonathon Coleman , Joseph Cotter , Yanou Cui , Andrei Derevianko , Albert De Roeck , Goran Djordjevic , Peter Dornan , Michael Doser , Ioannis Drougkakis , Jacob Dunningham , Ioana Dutan , Sajan Easo , Gedminas Elertas , John Ellis , Mai El Sawy , Farida Fassi , Daniel Felea , Chen-Hao Feng , Robert Flack , Chris Foot , Ivette Fuentes , Naceur Gaaloul , Alexandre Gauguet , Remi Geiger , Valerie Gibson , Gian Giudice , Jon Goldwin , Oleg Grachov , Peter W. Graham , Dario Grasso , Maurits van der Grinten , Mustafa Gundogan , Martin G. Haehnelt , Tiffany Harte , Aurelien Hees , Richard Hobson , Bodil Holst , Jason Hogan , Mark Kasevich , Bradley J. Kavanagh , Wolf von Klitzing , Tim Kovachy , Benjamin Krikler , Markus Krutzik , Marek Lewicki , Yu-Hung Lien , Miaoyuan Liu , Giuseppe Gaetano Luciano , Alain Magnon , Mohammed Mahmoud , Sarah Malik , Christopher McCabe , Jeremiah Mitchell , Julia Pahl , Debapriya Pal , Saurabh Pandey , Dimitris Papazoglou , Mauro Paternostro , Bjoern Penning , Achim Peters , Marco Prevedelli , Vishnupriya Puthiya-Veettil , John Quenby , Ernst Rasel , Sean Ravenhall , Haifa Rejeb Sfar , Jack Ringwood , Albert Roura , Dylan Sabulsky , Muhammed Sameed , Ben Sauer , Stefan Alaric Schaffer , Stephan Schiller , Vladimir Schkolnik , Dennis Schlippert , Christian Schubert , Armin Shayeghi , Ian Shipsey , Carla Signorini , Marcelle Soares-Santos , Fiodor Sorrentino , Yajpal Singh , Timothy Sumner , Konstantinos Tassis , Silvia Tentindo , Guglielmo Maria Tino , Jonathan N. Tinsley , James Unwin , Tristan Valenzuela , Georgios Vasilakis , Ville Vaskonen , Christian Vogt , Alex Webber-Date , Andre Wenzlawski , Patrick Windpassinger , Marian Woltmann , Michael Holynski , Efe Yazgan , Ming-Sheng Zhan , Xinhao Zou , Jure Zupan

The upcoming operation of the Extra Low ENergy Antiprotons (ELENA) ring at CERN, the upgrade of the anti-proton decelerator (AD), and the installation in the AD hall of an intense slow positron beam with an expected flux of $10^{8}$ e$^+$/s…

原子物理 · 物理学 2016-09-21 P. Crivelli , D. Cooke , M. W. Heiss

The GanESS experiment will exploit the high-pressure noble gas time projection chamber technology to detect coherent elastic neutrino-nucleus scattering (CE$\nu$NS) at the European Spallation Source (ESS). The detector, able to operate at…

EDGES-3 is the third iteration of the EDGES experiment, designed to measure the predicted global absorption feature in the radio spectrum produced by neutral hydrogen gas at cosmic dawn, a critical observation determining when and how the…

The ASACUSA (Atomic Spectroscopy And Collisions Using Slow Antiprotons) collaboration plans to measure the ground-state hyperfine splitting of antihydrogen in a beam at the CERN Antiproton Decelerator with initial relative precision of 10-6…

The CERN LHC delivered 25/fb of proton-proton collision data in 2011-2012 at sqrt{s} = 7 - 8 TeV centre-of-mass energy to the ATLAS detector. These Run 1 data were used to discover the Higgs boson and measure its properties as well as to…

高能物理 - 实验 · 物理学 2016-02-05 Gabriella Pásztor

We present measurements on Earth's gravitational acceleration (g) using an in-house developed cold atom gravimeter (CAG) in an atomic fountain geometry. In the setup, the laser cooled $^{87}Rb$ atoms are launched vertically up in the…

The assessment of neutrino absolute mass scale is still a crucial challenge in today particle physics and cosmology. Beta or electron capture spectrum end-point study is currently the only experimental method which can provide a model…

There has been renewed interest in the idea of antigravity -- that matter and antimatter repel gravitationally - in lieu of the recent beautiful ALPHA-g result for the free-fall acceleration of antihydrogen of $a_{\bar{H}}=(0.75\pm…

综合物理 · 物理学 2024-12-30 Scott Menary

Antiprotons, stored and cooled at low energies in a storage ring or at rest in traps, are highly desirable for the investigation of a large number of basic questions on fundamental interactions. This includes the static structure of…

加速器物理 · 物理学 2016-06-22 Javier Resta-Lopez , James R. Hunt , Carsten P. Welsch

CERN announced in January 1996 the detection of the first eleven atoms of antimatter ever produced. The experiment was based on a method proposed earlier by S. Brodsky, C. Munger and I. Schmidt, and which furthermore predicted exactly the…

高能物理 - 唯象学 · 物理学 2009-10-30 Ivan Schmidt

The Antiproton Decelerator of CERN began operation in 1999 to serve experiments for studies of CPT invariance by precision laser and microwave spectroscopy of antihydrogen ($\bar{\rm H}$) and antiprotonic helium ($\bar{p}{\rm He}^+$). The…

原子物理 · 物理学 2013-04-16 M. Hori , J. Walz

To world-wide notice, in 2002 the ATHENA collaboration at CERN (in Geneva, Switzerland) announced the creation of order 100,000 low energy antihydrogen atoms. Thus, the concept of using condensed antihydrogen as a low-weight, powerful fuel…

天体物理学 · 物理学 2007-05-23 Michael Martin Nieto , Michael H. Holzscheiter , Slava G. Turyshev

The redshifted 21-cm signal of neutral Hydrogen is a promising probe into the period of evolution of our Universe when the first stars were formed (Cosmic Dawn), to the period where the entire Universe changed its state from being…

宇宙学与河外天体物理 · 物理学 2021-01-26 Madhurima Choudhury , Atrideb Chatterjee , Abhirup Datta , Tirthankar Roy Choudhury

The GENIUS (Germanium in Liquid Nitrogen Underground Setup) project has been proposed in 1997 [KK-BEY97] as first third generation double beta decay project, with a sensitivity aiming down to a level of an effective neutrino mass of…

高能物理 - 唯象学 · 物理学 2015-06-25 H. V. Klapdor-Kleingrothaus

Currently, the only worldwide source of low-energy antiprotons is the AD/ELENA facility located at CERN. To date, all precision measurements on single antiprotons have been conducted at this facility and provide stringent tests of the…

The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider (LHC) at CERN. Liquid argon sampling calorimeters are used for all electromagnetic calorimetry as well as hadronic calorimetry in…

仪器与探测器 · 物理学 2013-07-05 Nikiforos Nikiforou

Production of antihydrogen atoms by mixing antiprotons with a cold, confined, positron plasma depends critically on parameters such as the plasma density and temperature. We discuss non-destructive measurements, based on a novel, real-time…

A single-axis Microelectromechanical system gravimeter has recently been developed at the University of Glasgow. The sensitivity and stability of this device was demonstrated by measuring the Earth tides. The success of this device was…

A low energy particle confined by a horizontal reflective surface and gravity settles in gravitationally bound quantum states. These gravitational quantum states (GQS) were so far only observed with neutrons. However, the existence of GQS…