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Related papers: Gems first science results

200 papers

As a new member of GECAM mission, GECAM-C (also named High Energy Burst Searcher, HEBS) was launched onboard the SATech-01 satellite on July 27th, 2022, which is capable to monitor gamma-ray transients from $\sim$ 6 keV to 6 MeV. As the…

Multi-conjugated adaptive optics (MCAO) yield nearly diffraction-limited images at 2$\mu$m wavelengths. Currently, GeMS/GSAOI at Gemini South is the only MCAO facility instrument at an 8m telescope. Using real data and for the first time,…

Instrumentation and Methods for Astrophysics · Physics 2017-09-08 Mischa Schirmer , Vincent Garrel , Gaetano Sivo , Eduardo Marin , Eleazar R. Carrasco

Flux-rope-based magnetohydrodynamic modeling of coronal mass ejections (CMEs) is a promising tool for the prediction of the CME arrival time and magnetic field at Earth. In this work, we introduce a constant-turn flux rope model and use it…

Space Physics · Physics 2022-07-20 Talwinder Singh , Tae K. Kim , Nikolai V. Pogorelov , Charles N. Arge

The AMS-02 detector is operating on the International Space Station since May 2011. More than 30 billion events have been collected by the instrument in the first two years of data taking. A precision measurement of the positron fraction…

Instrumentation and Detectors · Physics 2019-08-15 Claudio Corti

We present preliminary results of a spectroscopic study performed in the Antlia cluster through GEMINI-GMOS data. We derived new radial velocities that allow us to confirm the cluster membership of several new faint galaxies, as well as to…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-21 F. Faifer , A. Smith Castelli , L. P. Bassino , T. Richtler , S. A. Cellone

We introduce the contributions to the proceedings of Working Group V. The main topics were: present and future experiments dedicated to charm physics, the interplay between high-precision measurements and better control over theoretical…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. Wittig , A. A. Petrov , D. G. Cassel

The GENIUS proposal is described and some of it's physics potential is outlined. Also in the light of the contradictive results from the DAMA and CDMS experiments the Genius TF, a new experimental setup is proposed. The Genius TF could…

High Energy Physics - Phenomenology · Physics 2016-11-03 H. V. Klapdor-Kleingrothaus , B. Majorovits

The status of the commissioning of the ATLAS experiment as of May 2008 is presented. The sub-detector integration in recent milestone weeks is described. Cosmic commissioning in milestone week M6 included simultaneous data-taking and…

High Energy Physics - Experiment · Physics 2019-08-14 Juergen Thomas

The Neutrinos at the Main Injector (NuMI) facility at Fermilab began operations in late 2004. NuMI will deliver an intense muon neutrino beam of variable energy (2-20 GeV). Several aspects of the design and results from runs of the MINOS…

High Energy Physics - Experiment · Physics 2009-11-13 Sacha E. Kopp

The MINOS experiment is a long-baseline neutrino experiment designed to study neutrino behaviour, in particular the phenomenon of neutrino oscillations. MINOS sends the NuMI neutrino beam through two detectors, a Near Detector 1 km…

High Energy Physics - Experiment · Physics 2012-01-19 Anna Holin

The great success of Helioseismology resides in the remarkable progress achieved in the understanding of the structure and dynamics of the solar interior. This success mainly relies on the ability to conceive, implement, and operate…

Solar and Stellar Astrophysics · Physics 2018-02-05 P. L. Palle , T. Appourchaux , J. Christensen-Dalsgaard , R. A. Garcia

The release of GENIE v3.0.0 was a major milestone in the long history of the GENIE project, delivering several alternative comprehensive neutrino interaction models, improved charged-lepton scattering simulations, a range of beyond the…

The H.E.S.S. (High Energy Stereoscopic System) phase I is comprised of four Imaging Atmospheric Cherenkov telescopes, for observation of galactic and cosmic sources of very high energy gamma rays. Its installation in the Khomas highlands,…

Astrophysics · Physics 2015-06-24 M. Punch , the HESS Collaboration

Ice deposits on Earth provide an extended record of volcanism, planetary climate, and life. On Mars, such a record may extend as far back as tens to hundreds of millions of years (My), compared to only a few My on Earth. Here, we propose…

Instrumentation and Detectors · Physics 2023-05-23 Alexander G. Chipps , Cassius B. Tunis , Nathan Chellman , Joseph R. McConnell , Bruce Hammer , Christopher E. Carr

A brief description of the IntraNuclear cascade, preequilibrium, evaporation, fission, coalescence, and Fermi breakup models used by the last versions of our CEM and LAQGSM event generators is presented, with a focus on our latest…

Nuclear Theory · Physics 2008-12-12 Stepan G. Mashnik

The GECAM mission consists of two identical microsatellites (GECAM-A and GECAM-B). Each satellite is equipped with 25 gamma-ray detectors (GRD) and 8 charged particle detectors (CPD). The main scientific objective of the GECAM mission is to…

The existence of mirror fermions interacting strongly under a new gauge group and having masses near the electroweak scale has been recently proposed as a viable alternative to the standard-model Higgs mechanism. The main purpose of this…

High Energy Physics - Phenomenology · Physics 2009-10-31 George Triantaphyllou

The Chandra X-ray Observatory (CXO), NASA's latest ``Great Observatory'', was launched on July 23, 1999 and reached its final orbit on August 7, 1999. The CXO is in a highly elliptical orbit, approximately 140,000 km x 10,000 km, and has a…

Astrophysics · Physics 2009-11-07 Shanil N. Virani , Peter G. Ford , Joseph M. DePasquale , Paul P. Plucinsky

In the last 15 years different ground-based spectroscopic surveys have been started (and completed) with the general aim of delivering stellar parameters and elemental abundances for large samples of Galactic stars, complementing Gaia…

Astrophysics of Galaxies · Physics 2022-10-26 S. Randich , G. Gilmore , L. Magrini , G. G. Sacco , R. J. Jackson , R. D. Jeffries , C. C. Worley , A. Hourihane , A. Gonneau , C. Viscasillas Vàzquez , E. Franciosini , J. R. Lewis , E. J. Alfaro , C. Allende Prieto , T. Bensby R. Blomme , A. Bragaglia , E. Flaccomio , P. François , M. J. Irwin , S. E. Koposov , A. J. Korn , A. C. Lanzafame , E. Pancino , A. Recio-Blanco , R. Smiljanic , S. Van Eck , T. Zwitter , M. Asplund , P. Bonifacio , S. Feltzing , J. Binney , J. Drew , A. M. N. Ferguson , G. Micela , I. Negueruela , T. Prusti , H. -W. Rix , A. Vallenari , A. Bayo , M. Bergemann , K. Biazzo , G. Carraro , A. R. Casey , F. Damiani , A. Frasca , U. Heiter , V. Hill , P. Jofré , P. de Laverny , K. Lind , G. Marconi , C. Martayan , T. Masseron , L. Monaco , L. Morbidelli , L. Prisinzano , L. Sbordone , S. G. Sousa , S. Zaggia , V. Adibekyan , R. Bonito , E. Caffau , S. Daflon , D. K. Feuillet , M. Gebran , J. I. González Hernández , G. Guiglion , A. Herrero , A. Lobel , J. Maíz Apellániz , T. Merle , S. Mikolaitis , D. Montes , T. Morel , C. Soubiran , L. Spina , H. M. Tabernero , G. Tautvaišienė , G. Traven , M. Valentini , M. Van der Swaelmen , S. Villanova , N. J. Wright , U. Abbas , V. Aguirre Børsen-Koch , J. Alves , L. Balaguer-Núnez , P. S. Barklem , D. Barrado , S. R. Berlanas , A. S. Binks , A. Bressan , R. Capuzzo--Dolcetta , L. Casagrande , L. Casamiquela , R. S. Collins , V. D'Orazi , M. L. L. Dantas , V. P. Debattista , E. Delgado-Mena , P. Di Marcantonio , A. Drazdauskas , N. W. Evans , B. Famaey , M. Franchini , Y. Frémat , E. D. Friel , X. Fu , D. Geisler , O. Gerhard , E. A. González Solares , E. K. Grebel , M. L. Gutiérrez Albarrán , D. Hatzidimitriou , E. V. Held , F. Jiménez-Esteban , H. Jönsson , C. Jordi , T. Khachaturyants , G. Kordopatis , J. Kos , N. Lagarde , L. Mahy , M. Mapelli , E. Marfil , S. L. Martell , S. Messina , A. Miglio , I. Minchev , A. Moitinho , J. Montalban , M. J. P. F. G. Monteiro , C. Morossi , N. Mowlavi , A. Mucciarelli , D. N. A. Murphy , N. Nardetto , S. Ortolani , F. Paletou , J. Palouus , E. Paunzen , J. C. Pickering , A. Quirrenbach , P. Re Fiorentin , J. I. Read , D. Romano , N. Ryde , N. Sanna , W. Santos , G. M. Seabroke , A. Spagna , M. Steinmetz , E. Stonkuté , E. Sutorius , F. Thévenin , M. Tosi , M. Tsantaki , J. S. Vink , N. Wright , R. F. G. Wyse , M. Zoccali , J. Zorec , D. B. Zucker , N. A. Walton

The aim is to document in some detail the last 35 years of meridian circles, a type of instrument with a fundamental role in astronomy for a very long time, and to do so while witnesses are still alive and can contribute. This is about…

Instrumentation and Methods for Astrophysics · Physics 2026-02-10 Erik Høg