Abstract

(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image)


We present the measurements of particle pair yields per trigger particle obtained from di-hadron azimuthal correlations in pp collisions at ... = 0.9, 2.76, and 7 TeV recorded with the ALICE detector. The yields are studied as a function of the charged particle multiplicity. Taken together with the single particle yields the pair yields provide information about parton fragmentation at low transverse momenta, as well as on the contribution of multiple parton interactions to particle production. Data are compared to calculations using the PYTHIA6, PYTHIA8, and PHOJET event generators. [Figure not available: see fulltext.]

Details

Title
Multiplicity dependence of two-particle azimuthal correlations in pp collisions at the LHC
Author
Abelev, B; Adam, J; Adamová, D; Adare, Am; Aggarwal, Mm; Aglieri Rinella, G; Agnello, M; Agocs, Ag; Agostinelli, A; Ahammed, Z; Ahmad Masoodi, A; Ahmad, N; Ahmed, I; Ahn, Su; Ahn, Sa; Aimo, I; Ajaz, M; Akindinov, A; Aleksandrov, D; Alessandro, B; Alexandre, D; Alici, A; Alkin, A; Alme, J; Alt, T; Altini, V; Altinpinar, S; Altsybeev, I; Andrei, C; Andronic, A; Anguelov, V; Anielski, J; Anson, C; Anticic, T; Antinori, F; Antonioli, P; Aphecetche, L; Appelshäuser, H; Arbor, N; Arcelli, S; Arend, A; Armesto, N; Arnaldi, R; Aronsson, T; Arsene, Ic; Arslandok, M; Asryan, A; Augustinus, A; Averbeck, R; Awes, Tc; Äystö, J; Azmi, Md; Bach, M; Badalà, A; Baek, Yw; Bailhache, R; Bala, R; Baldisseri, A; Baltasar Dos Santos Pedrosa, F; Bán, J; Baral, Rc; Barbera, R; Barile, F; Barnaföldi, Gg; Barnby, Ls; Barret, V; Bartke, J; Basile, M; Bastid, N; Basu, S; Bathen, B; Batigne, G; Batyunya, B; Batzing, Pc; Baumann, C; Bearden, Ig; Beck, H; Behera, Nk; Belikov, I; Bellini, F; Bellwied, R; Belmont-moreno, E; 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Pages
1-42
Publication year
2013
Publication date
Sep 2013
Publisher
Springer Nature B.V.
e-ISSN
10298479
Source type
Scholarly Journal
Language of publication
English
DOI
https://doi.org/10.1007/JHEP09(2013)049
ProQuest document ID
1652879827
Copyright
SISSA, Trieste, Italy 2013