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We explore the ability of two-dimensional periodic atom arrays to produce light amplification and generate laser emission when gain is introduced through external optical pumping. Specifically, we predict that lasing can take place for…

Mesoscale and Nanoscale Physics · Physics 2018-10-24 Vahagn Mkhitaryan , Lijun Meng , Andrea Marini , F. Javier Garcia de Abajo

The Gamma Factory initiative proposes to develop novel research tools at CERN by producing, accelerating and storing highly relativistic, partially stripped ion beams in the SPS and LHC storage rings. By exciting the electronic degrees of…

Meta-generalized gradient approximations (meta-GGAs) on the third rung of the functional hierarchy are gaining increasing relevance for the electronic structure. Meta-GGAs are constructed from numerous ingredients including the orbital…

Materials Science · Physics 2025-06-05 Ashesh Giri , Chandra Shahi , Adrienn Ruzsinszky

The Liquid Argon Time Projection Chamber (LArTPC) technology is widely used in high energy physics experiments, including the upcoming Deep Underground Neutrino Experiment (DUNE). Accurately simulating LArTPC detector responses is essential…

Instrumentation and Detectors · Physics 2023-03-01 Zhihua Dong , Kyle Knoepfel , Meifeng Lin , Brett Viren , Haiwang Yu

As liquid xenon TPCs increase in target mass while pursuing the direct detection of WIMP dark matter, the technical challenges arising due to their size call for new solutions and open the discussion on alternative detector concepts.…

Instrumentation and Detectors · Physics 2022-04-14 Fabian Kuger , Julia Dierle , Horst Fischer , Marc Schumann , Francesco Toschi

We have developed the gas electron multiplier (GEM) using polytetrafluoroethylene (PTFE) insulator substrate (PTFE-GEM). Carbonization on insulator layer by discharges shorts the GEM electrodes, causing permanent breakdown. Since PTFE is…

Instrumentation and Detectors · Physics 2014-03-27 M. Wakabayashi , K. Komiya , T. Tamagawa , Y. Takeuchi , K. Aoki , A. Taketani , H. Hamagaki

We present simulations of whole-body low-dose time-of-flight positron emission tomography (TOF-PET) based on the direct surface production [1] by 511 keV gamma rays of energetic electrons via the Photo-electric and Compton Effects,…

Several experiments have been conducted worldwide, with the goal of observing low-energy nuclear recoils induced by WIMPs scattering off target nuclei in ultra-sensitive, low-background detectors. In the last few decades noble liquid…

Instrumentation and Detectors · Physics 2016-03-23 B. Rossi , A. Anastasio , A. Boiano , S. Catalanotti , A. G. Cocco , G. Covone , P. Di Meo , G. Longo , A. Vanzanella , S. Walker , H. Wang , Y. Wang , G. Fiorillo

A variety of protective or reactive environmental gases have recently gained growing attention in laser-based metal additive manufacturing (AM) technologies due to their unique thermophysical properties and the potential improvements they…

General Physics · Physics 2025-02-06 Zhongshu Ren , Samuel J. Clark , Lin Gao , Kamel Fezzaa , Tao Sun

The Gas Electron Multiplier (GEM) detectors has been utilized for various applications due to their excellent spatial resolution, high rate capabilities and flexibility in design. The GEM detectors stand as a promising device to be used in…

Instrumentation and Detectors · Physics 2020-02-21 Mohit Gola , Aashaq Shah , Asar Ahmed , Shivali Malhotra , Ashok Kumar , Md. Naimuddin

The Gas Electron Multiplier (GEM) detectors are widely used in high-energy physics (HEP) experiments as tracking devices because of their excellent position resolution and to handle high particle rates capability. Charging-up effect is a…

Instrumentation and Detectors · Physics 2026-05-06 S. Mandal , S. Ghosh , S. Das , S. Biswas

Liquid Argon Time Projection Chambers (LArTPCs) are widely used in particle physics experiments. They use light and charge released in events to reconstruct and analyze them. Light information collected by the Photon Detection System (PDS)…

Instrumentation and Detectors · Physics 2025-03-31 Marcio R. Adames

Controlled etching of copper electrodes in Gas Electron Multiplier foils allows a reduction of the material budget by more than a factor of two for a triple-GEM detector. Detectors making use of thinned foils provide performances similar to…

Instrumentation and Detectors · Physics 2008-11-26 A. Bondar , A. Buzulutskov , R. de Oliveira , L. Ropelewski , F. Sauli , L. Shekhtman

A new laser ion source configuration based on resonant photoionization in a gas cell has been developed at RIBF RIKEN. This system is intended for the future PArasitic RI-beam production by Laser Ion-Source (PALIS) project which will be…

Background: we develop the concept of a Micromegas (MICRO-MEsh GAseous Structure) readout plane with an additional GEM (Gas Electron Multiplier) preamplification stage placed a few mm above it, to increase the maximum effective gain of the…

The $3 \times 1 \times 1$ m$^3$ demonstrator is a dual phase liquid argon time projection chamber that has recorded cosmic rays events in 2017 at CERN. The light signal in these detectors is crucial to provide precise timing capabilities.…

Instrumentation and Detectors · Physics 2021-03-24 B. Aimard , L. Aizawa , C. Alt , J. Asaadi , M. Auger , V. Aushev , D. Autiero , A. Balaceanu , G. Balik , L. Balleyguier , E. Bechetoille , D. Belver , A. M. Blebea-Apostu , S. Bolognesi , S. Bordoni , N. Bourgeois , B. Bourguille , J. Bremer , G. Brown , G. Brunetti , L. Brunetti , D. Caiulo , M. Calin , E. Calvo , M. Campanelli , K. Cankocak , C. Cantini , B. Carlus , B. M. Cautisanu , M. Chalifour , A. Chappuis , N. Charitonidis , A. Chatterjee , A. Chiriacescuf , P. Chiu , S. Conforti , P. Cotte , P. Crivelli , C. Cuesta , J. Dawson , I. De Bonis , C. De La Taille , A. Delbart , S. Di Luise , F. Doizon , C. Drancourt , D. Duchesneau , F. Dulucq , F. Duval , S. Emery , A. Ereditato , A. Falcone , K. Fusshoeller , A. Gallego-Ros , V. Galymov , N. Geffroy , A. Gendotti , A. Gherghel-Lascu , I. Gil-Botella , C. Girerd , M. C. Gomoiu , P. Gorodetzky , E. Hamada , R. Hanni , T. Hasegawa , A. Holin , S. Horikawa , M. Ikeno , S. Jiménez , A. Jipa , M. Karolak , Y. Karyotakis , S. Kasai , K. Kasami , T. Kishishita , H. Konari , I. Kreslo , D. Kryn , P. Kunzé , M. Kurokawa , Y. Kuromori , C. Lastoria , I. Lazanu , G. Lehmann-Miotto , M. Leyton , N. Lira , K. Loo , D. Lorca , P. Lutz , T. Lux , J. Maalampi , G. Maire , M. Maki , L. Manenti , R. M. Margineanu , J. Marteau , G. Martin-Chassard , H. Mathez , E. Mazzucato , G. Misitano , D. Mladenov , L. Molina Bueno , T. S. Mosu , W. Mu , S. Murphy , K. Nakayoshi , S. Narita , D. Navas-Nicolás , K. Negishi , M. Nessi , M. Niculescu-Oglinzanu , F. Noto , A. Noury , Y. Onishchuk , C. Palomares , M. Parvu , T. Patzak , Y. Penichot , E. Pennacchio , L. Periale , H. Pessard , F. Pietropaolo , D. Pugnere , B. Radics , D. Redondo , C. Regenfus , A. Remoto , F. Resnati , O. Ristea , A. Rubbia , A. Saftoiu , K. Sakashita , F. Sanchez , C. Santos , A. Scarpelli , C. Schloesser , K. Sendai , F. Sergiampietri , S. Shahsavarani , M. Shoji , J. Sinclair , J. Soto-Oton , D. I. Stanca , D. Stefan , R. Sulej , M. Tanaka , V. Toboaru , A. Tonazzo , W. Tromeur , W. H. Trzaska , T. Uchida , L. Urda , F. Vannucci , G. Vasseur , A. Verdugo , T. Viant , S. Vihonen , S. Vilalte , M. Weber , S. Wu , J. Yu , L. Zambelli , M. Zito

With the development of the circular collider, it is necessary to make accurate physics experimental measurements of particle properties at higher luminosity $Z$ pole. Micro-pattern gaseous detectors (MPGDs), which contain Gaseous Electron…

Instrumentation and Detectors · Physics 2021-09-22 Zhiyang Yuan , Huirong Qi , Yue Chang , Ye Wu , Hongyu Zhang , Jian Zhang , Yuanbo Chen , Yiming Cai , Yulan Li , Zhi Deng , Hui Gong

Several methods have been proposed in the literature to improve Free Electron Laser output by transforming the electron phase-space before entering the FEL interaction region. By utilising `beam by design' with novel undulators and other…

Accelerator Physics · Physics 2015-09-02 J. R. Henderson , L. T. Campbell , B. W. J. McNeil

A novel method for single-step, lithography-free, and large-scale laser writing of nanoparticle-based plasmonic structures has been developed. Changing energy of femtosecond laser pulses and thickness of irradiated gold film it is possible…

Liquid Argon Time Projection Chamber (LArTPC) technology is commonly utilized in neutrino detector designs. It enables detailed reconstruction of neutrino events with high spatial precision and low energy threshold. Its field response (FR)…

Instrumentation and Detectors · Physics 2023-05-03 S. Martynenko , F. Pietropaolo , B. Viren , X. Qian , H. Chen , S. Gao , W. Gu , J. Jo , S. Kettell , Y. Li , H. Liu , N. Nayak , B. Yu , H. Yu , C. Zhang , U. Kose , F. Resnati , S. Tufanli , F. Boran , F. Dolek