Pseudorapidity distribution of charged hadrons in proton-proton collisions at root s=13TeV

Khachatryan, V.; Adžić, Petar; Milošević, Jovan; Rekovic, V.; Đorđević, Miloš; Milenović, Predrag

doi:10.1016/j.physletb.2015.10.004

2015

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Authors

Khachatryan, V.
Adžić, Petar
Milošević, Jovan

Rekovic, V.
Đorđević, Miloš

Milenović, Predrag

CMS Collaboration (ukupan broj autora: 2307)

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Abstract

The pseudorapidity distribution of charged hadrons in pp collisions at root s = 13 TeV is measured using a data sample obtained with the CMS detector, operated at zero magnetic field, at the CERN LHC. The yield of primary charged long-lived hadrons produced in inelastic pp collisions is determined in the central region of the CMS pixel detector (vertical bar eta vertical bar LT 2) using both hit pairs and reconstructed tracks. For central pseudorapidities (vertical bar eta vertical bar LT 0.5), the charged-hadron multiplicity density is dN(ch)/d eta vertical bar(vertical bar eta vertical bar) LT 0.5= 5.49 +/- 0.01 (stat) +/- 0.17 (syst), a value obtained by combining the two methods. The result is compared to predictions from Monte Carlo event generators and to similar measurements made at lower collision energies. (C) 2015 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V.

Keywords:

CMS / Physics / Proton-proton / 13 TeV / Hadrons / Spectra

Source:
Physics Letters B, 2015, 751, 143-163

Projects:

BMWFW (Austria), FWF (Austria), FNRS (Belgium), FWO (Belgium), CNPq (Brazil), CAPES (Brazil), FAPERJ (Brazil), FAPESP (Brazil), MES (Bulgaria), CERN, CAS (China), MOST (China), NSFC (China), COLCIENCIAS (Colombia), MSES (Croatia), CSF (Croatia), RPF (Cyprus), MoER (Estonia), ERC IUT (Estonia), ERDF (Estonia), Academy of Finland, MEC (Finland), HIP (Finland), CEA (France), CNRS/IN2P3 (France), BMBF, Germany, DFG (Germany), HGF (Germany), GSRT (Greece), OTKA (Hungary), NIH (Hungary), DAE (India), DST (India), IPM (Iran), SFI (Ireland), INFN (Italy), MSIP (Republic of Korea), NRF (Republic of Korea), LAS (Lithuania), MOE (Malaysia), UM (Malaysia), CINVESTAV (Mexico), CONACYT (Mexico), SEP (Mexico), UASLP-FAI (Mexico), MBIE (New Zealand), PAEC (Pakistan), MSHE (Poland), NSC (Poland), FCT (Portugal), JINR (Dubna), MON (Russia), RosAtom (Russia), RAS (Russia), RFBR (Russia), MESTD (Serbia), SEIDI (Spain), CPAN (Spain), Swiss Funding Agencies (Switzerland), MST (Taipei), ThEPCenter (Thailand), IPST (Thailand), STAR (Thailand), NSTDA (Thailand), TUBITAK (Turkey), TAEK (Turkey), NASU (Ukraine), SFFR (Ukraine), STFC (United Kingdom), DOE (USA), NSF (USA), Marie-Curie programme, European Research Council, EPLANET (European Union), Leventis Foundation, Alfred P. Sloan Foundation, Alexander von Humboldt Foundation, Belgian Federal Science Policy Office, Fonds pour la Formation a la Recherche dans lIndustrie et dans lAgriculture (FRIA-Belgium), Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium), Ministry of Education, Youth and Sports (MEYS) of the Czech Republic, Council of Science and Industrial Research, India, HOMING PLUS programme of the Foundation for Polish Science, European Union, Regional Development Fund, Compagnia di San Paolo (Torino), Consorzio per la Fisica (Trieste), MIUR (Italy) [20108T4XTM], Thalis and Aristeia programmes, EU-ESF, Greek NSRF, National Priorities Research Program by Qatar National Research Fund, Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand), Welch Foundation

DOI: 10.1016/j.physletb.2015.10.004

ISSN: 0370-2693; 1873-2445

WoS: 000365384600024

Scopus: 2-s2.0-85040924124

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TY  - JOUR
AU  - Khachatryan, V.
AU  - Adžić, Petar
AU  - Milošević, Jovan
AU  - Rekovic, V.
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
PY  - 2015
UR  - http://vinar.vin.bg.ac.rs/handle/123456789/827
AB  - The pseudorapidity distribution of charged hadrons in pp collisions at root s = 13 TeV is measured using a data sample obtained with the CMS detector, operated at zero magnetic field, at the CERN LHC. The yield of primary charged long-lived hadrons produced in inelastic pp collisions is determined in the central region of the CMS pixel detector (vertical bar eta vertical bar LT 2) using both hit pairs and reconstructed tracks. For central pseudorapidities (vertical bar eta vertical bar LT 0.5), the charged-hadron multiplicity density is dN(ch)/d eta vertical bar(vertical bar eta vertical bar) LT 0.5= 5.49 +/- 0.01 (stat) +/- 0.17 (syst), a value obtained by combining the two methods. The result is compared to predictions from Monte Carlo event generators and to similar measurements made at lower collision energies. (C) 2015 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V.
T2  - Physics Letters B
T1  - Pseudorapidity distribution of charged hadrons in proton-proton collisions at root s=13TeV
VL  - 751
SP  - 143
EP  - 163
DO  - 10.1016/j.physletb.2015.10.004
ER  -

@article{
author = "Khachatryan, V. and Adžić, Petar and Milošević, Jovan and Rekovic, V. and Đorđević, Miloš and Milenović, Predrag",
year = "2015",
url = "http://vinar.vin.bg.ac.rs/handle/123456789/827",
abstract = "The pseudorapidity distribution of charged hadrons in pp collisions at root s = 13 TeV is measured using a data sample obtained with the CMS detector, operated at zero magnetic field, at the CERN LHC. The yield of primary charged long-lived hadrons produced in inelastic pp collisions is determined in the central region of the CMS pixel detector (vertical bar eta vertical bar LT 2) using both hit pairs and reconstructed tracks. For central pseudorapidities (vertical bar eta vertical bar LT 0.5), the charged-hadron multiplicity density is dN(ch)/d eta vertical bar(vertical bar eta vertical bar) LT 0.5= 5.49 +/- 0.01 (stat) +/- 0.17 (syst), a value obtained by combining the two methods. The result is compared to predictions from Monte Carlo event generators and to similar measurements made at lower collision energies. (C) 2015 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V.",
journal = "Physics Letters B",
title = "Pseudorapidity distribution of charged hadrons in proton-proton collisions at root s=13TeV",
volume = "751",
pages = "143-163",
doi = "10.1016/j.physletb.2015.10.004"
}

Khachatryan V, Adžić P, Milošević J, Rekovic V, Đorđević M, Milenović P. Pseudorapidity distribution of charged hadrons in proton-proton collisions at root s=13TeV. Physics Letters B. 2015;751:143-163

Khachatryan, V., Adžić, P., Milošević, J., Rekovic, V., Đorđević, M.,& Milenović, P. (2015). Pseudorapidity distribution of charged hadrons in proton-proton collisions at root s=13TeV.
Physics Letters B, 751, 143-163.
https://doi.org/10.1016/j.physletb.2015.10.004

Khachatryan V., Adžić Petar, Milošević Jovan, Rekovic V., Đorđević Miloš, Milenović Predrag, "Pseudorapidity distribution of charged hadrons in proton-proton collisions at root s=13TeV" 751 (2015):143-163,
https://doi.org/10.1016/j.physletb.2015.10.004 .