David Silvermyr
Senior lecturer
Measurement of Prompt D-Meson Production in p-Pb Collisions at sqrt[s_{NN}]=5.02 TeV.
Author
- B Abelev
- J Adam
- D Adamová
- M M Aggarwal
- G Aglieri Rinella
- M Agnello
- A Agostinelli
- N Agrawal
- Z Ahammed
- N Ahmad
- I Ahmed
- S U Ahn
- S A Ahn
- I Aimo
- S Aiola
- M Ajaz
- A Akindinov
- S N Alam
- D Aleksandrov
- B Alessandro
- D Alexandre
- A Alici
- A Alkin
- J Alme
- T Alt
- S Altinpinar
- I Altsybeev
- C Alves Garcia Prado
- C Andrei
- A Andronic
- V Anguelov
- J Anielski
- T Antičić
- F Antinori
- P Antonioli
- L Aphecetche
- H Appelshäuser
- S Arcelli
- N Armesto
- R Arnaldi
- T Aronsson
- I C Arsene
- M Arslandok
- A Augustinus
- R Averbeck
- T C Awes
- M D Azmi
- M Bach
- A Badalà
- Y W Baek
- S Bagnasco
- R Bailhache
- R Bala
- A Baldisseri
- F Baltasar Dos Santos Pedrosa
- R C Baral
- R Barbera
- F Barile
- G G Barnaföldi
- L S Barnby
- V Barret
- J Bartke
- M Basile
- N Bastid
- S Basu
- B Bathen
- G Batigne
- B Batyunya
- P C Batzing
- C Baumann
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- H Beck
- C Bedda
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- V Belyaev
- G Bencedi
- S Beole
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- A Bercuci
- Y Berdnikov
- D Berenyi
- M E Berger
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- D Berzano
- L Betev
- A Bhasin
- I R Bhat
- A K Bhati
- B Bhattacharjee
- J Bhom
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- N Bianchi
- C Bianchin
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- J Bielčíková
- A Bilandzic
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- T Breitner
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Summary, in English
The p_{T}-differential production cross sections of the prompt charmed mesons D^{0}, D^{+}, D^{*+}, and D_{s}^{+} and their charge conjugate in the rapidity interval -0.96<y_{cms}<0.04 were measured in p-Pb collisions at a center-of-mass energy sqrt[s_{NN}]=5.02 TeV with the ALICE detector at the LHC. The nuclear modification factor R_{pPb}, quantifying the D-meson yield in p-Pb collisions relative to the yield in pp collisions scaled by the number of binary nucleon-nucleon collisions, is compatible within the 15%-20% uncertainties with unity in the transverse momentum interval 1<p_{T}<24 GeV/c. No significant difference among the R_{pPb} of the four D-meson species is observed. The results are described within uncertainties by theoretical calculations that include initial-state effects. The measurement adds experimental evidence that the modification of the momentum spectrum of D mesons observed in Pb-Pb collisions with respect to pp collisions is due to strong final-state effects induced by hot partonic matter.
Department/s
- Particle and nuclear physics
Publishing year
2014
Language
English
Publication/Series
Physical Review Letters
Volume
113
Issue
23
Full text
- Available as PDF - 407 kB
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Document type
Journal article
Publisher
American Physical Society
Topic
- Subatomic Physics
Status
Published
ISBN/ISSN/Other
- ISSN: 1079-7114