- Main
Charged-particle multiplicities in proton–proton collisions at √s=0.9 to 8 TeV
- Adam, J;
- Adamová, D;
- Aggarwal, MM;
- Rinella, GA;
- Agnello, M;
- Agrawal, N;
- Ahammed, Z;
- Ahmed, I;
- Ahn, SU;
- Aiola, S;
- Akindinov, A;
- Alam, SN;
- Aleksandrov, D;
- Alessandro, B;
- Alexandre, D;
- Molina, RA;
- Alici, A;
- Alkin, A;
- Almaraz, JRM;
- Alme, J;
- Alt, T;
- Altinpinar, S;
- Altsybeev, I;
- Prado, CAG;
- Andrei, C;
- Andronic, A;
- Anguelov, V;
- Anielski, J;
- Antičić, T;
- Antinori, F;
- Antonioli, P;
- Aphecetche, L;
- Appelshäuser, H;
- Arcelli, S;
- Arnaldi, R;
- Arnold, OW;
- Arsene, IC;
- Arslandok, M;
- Audurier, B;
- Augustinus, A;
- Averbeck, R;
- Azmi, MD;
- Badalà, A;
- Baek, YW;
- Bagnasco, S;
- Bailhache, R;
- Bala, R;
- Baldisseri, A;
- Baral, RC;
- Barbano, AM;
- Barbera, R;
- Barile, F;
- Barnaföldi, GG;
- Barnby, LS;
- Barret, V;
- Bartalini, P;
- Barth, K;
- Bartke, J;
- Bartsch, E;
- Basile, M;
- Bastid, N;
- Basu, S;
- Bathen, B;
- Batigne, G;
- Camejo, AB;
- Batyunya, B;
- Batzing, PC;
- Bearden, IG;
- Beck, H;
- Bedda, C;
- Behera, NK;
- Belikov, I;
- Bellini, F;
- Martinez, HB;
- Bellwied, R;
- Belmont, R;
- Belmont-Moreno, E;
- Belyaev, V;
- Bencedi, G;
- Beole, S;
- Berceanu, I;
- Bercuci, A;
- Berdnikov, Y;
- Berenyi, D;
- Bertens, RA;
- Berzano, D;
- Betev, L;
- Bhasin, A;
- Bhat, IR;
- Bhati, AK;
- Bhattacharjee, B;
- Bhom, J;
- Bianchi, L;
- Bianchi, N;
- Bianchin, C;
- Bielčík, J;
- Bielčíková, J;
- Bilandzic, A;
- Biswas, R;
- Biswas, S
- et al.
Published Web Location
https://doi.org/10.1140/epjc/s10052-016-4571-1Abstract
A detailed study of pseudorapidity densities and multiplicity distributions of primary charged particles produced in proton–proton collisions, at s= 0.9, 2.36, 2.76, 7 and 8 TeV, in the pseudorapidity range | η| < 2 , was carried out using the ALICE detector. Measurements were obtained for three event classes: inelastic, non-single diffractive and events with at least one charged particle in the pseudorapidity interval | η| < 1. The use of an improved track-counting algorithm combined with ALICE’s measurements of diffractive processes allows a higher precision compared to our previous publications. A KNO scaling study was performed in the pseudorapidity intervals | η| < 0.5, 1.0 and 1.5. The data are compared to other experimental results and to models as implemented in Monte Carlo event generators PHOJET and recent tunes of PYTHIA6, PYTHIA8 and EPOS.
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