L I P

Laboratório de Instrumentação e Física Experimental de Partículas

L I P

L I P [PARTICLES AND TECHNOLOGY]

/

AMS

Collaboration in AMS - Alpha Magnetic Spectrometer


// Cosmic rays

Raios cósmicos

LIP is part of the international collaboration that designed and operates the Alpha Magnetic Spectrometer (AMS). The project had two distinct phases: a prototype was built and flown aboard the space shuttle in 1998; and the final detector was installed in the international space station (ISS) in May 2011.  AMS is collecting an impressive set of data, at a continuous rate of around 45 million events per day, and has now over 130 billion events recorded. Data taking is expected to continue at least until 2024.

The LIP group took a leading role in the design, desenvolvimento, simulation and reconstruction algorithms of the AMS RICH sub-detector, aiming at measuring particle’s velocity very precisely. Today, the group keeps the responsibility for the development, implementation and maintenance of a set of algorithms for reconstructing the electric charge and velocity of particles in the RICH. The group is also involved in data analysis, with emphasis on the relations between particle flux variability and solar activity, having already published several papers not only on the correlation between the sun and the cosmic-ray flux but also on the intrinsic propagation mechanisms present in solar modulation.

Group webpage at LIP

// Research Area
Física Experimental de Partículas com aceleradores
Contacts
Group Leader:  
Fernando Barão

barao@lip.pt


 

  • Temporal Structures in Positron Spectra and Charge-Sign Effects in Galactic Cosmic Rays
  • Author(s):  M. Aguillar, ..., L. Arruda, ..., F. Barao, ..., M. Orcinha et al. (AMS Collaboration)
  • Submission:  2023-07-23, Acceptance:  2023-09-01, Publication:  2023-10-12
  • Reference:  Phys. Rev. Lett. 131 (2023) 151002   View publication

  • Iterative-Bayesian unfolding of cosmic-ray isotope fluxes measured by AMS-02
  • Author(s):  E. Bueno, F. Barão, M. Vecchi
  • Submission:  , Acceptance:  , Publication:  2022-11-05
  • Reference:  NIMA A 1046 (2023) 167695  

  • Application of a Data Driven Method to Isotopes Identification in the AMS
  • Author(s):  Diogo Lemos
  • Submission:  2022-11-01, Acceptance:  2022-11-01, Publication:  2022-11-01
  • Reference:  LIP-STUDENTS-22-17   View publication

  • Unravelling time variability in solar activity
  • Author(s):  Rafael Parente
  • Submission:  2022-11-01, Acceptance:  2022-11-01, Publication:  2022-11-01
  • Reference:  LIP-STUDENTS-22-16   View publication

View all the group publications


  • ANTS
  •  Anger camera-type detector simulation and experimental data processing tools.
  •     website


View all the group publications



Guilherme Gaspar
Lisboa
Master student

João Camacho
Lisboa
Undergraduate student

João Carlos Antunes
Lisboa
Research student

 
 

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Laboratório de Instrumentação e Física Experimental de Partículas   LIP.PT

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