Transverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at root s=0.9 and 2.36 TeV

Khachatryan, V.; Adžić, Petar; Đorđević, Miloš; Maletić, Dimitrije; Puzović, Jovan M.; Milenović, Predrag

doi:10.1007/JHEP02(2010)041

2010

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Аутори

Khachatryan, V.
Adžić, Petar
Đorđević, Miloš

Maletić, Dimitrije
Puzović, Jovan M.
Milenović, Predrag

(ukupan broj autora: 1969)

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Апстракт

Measurements of inclusive charged-hadron transverse-momentum and pseudorapidity distributions are presented for proton-proton collisions at root s = 0.9 and 2.36 TeV. The data were collected with the CMS detector during the LHC commissioning in December 2009. For non-single-diffractive interactions, the average charged-hadron transverse momentum is measured to be 0.46 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 0.9 TeV and 0.50 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 2.36 TeV, for pseudorapidities between -2.4 and +2.4. At these energies, the measured pseudorapidity densities in the central region, dN(ch)/d eta vertical bar(vertical bar eta vertical bar LT 0.5), are 3.48 +/- 0.02 (stat.) +/- 0.13 (syst.) and 4.47 +/- 0.04 (stat.) +/- 0.16 (syst.), respectively. The results at 0.9 TeV are in agreement with previous measurements and confirm the expectation of near equal hadron production in p LT (p)over bar GT and pp collisions. The results at 2.36 TeV represent the highest-energy meas...

Кључне речи:

Hadron-Hadron Scattering

Извор:
Journal of High Energy Physics, 2010, 2

Финансирање / пројекти:

FMSR (Austria), FNRS (Belgium), FWO (Belgium), CNPq (Brazil), CAPES (Brazil), FAPERJ (Brazil), FAPESP (Brazil), MES (Bulgaria), CERN (China), CAS (China), MoST (China), NSFC (China), COLCIENCIAS (Colombia), MSES (Croatia), RPF (Cyprus), Academy of Sciences and NICPB (Estonia), Academy of Finland, ME, and HIP (Finland), CEA (France), CNRS/IN2P3 (France), BMBF, Germany, DFG (Germany), HGF (Germany), GSRT (Greece), OTKA (Hungary), NKTH (Hungary), DAE (India), DST (India), IPM (Iran), SFI (Ireland), INFN (Italy), NRF (Korea), LAS (Lithuania), CINVESTAV (Mexico), CONACYT (Mexico), SEP (Mexico), UASLP-FAI (Mexico), PAEC (Pakistan), SCSR (Poland), FCT (Portugal), JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan), MST (Russia), MAE (Russia), MSTDS (Serbia), MICINN, CPAN (Spain), Swiss Funding Agencies (Switzerland), NSC (Taipei), TUBITAK, TAEK (Turkey), STFC (United Kingdom), DOE (USA), NSF (USA), European Union, Leventis Foundation, A.P. Sloan Foundation, Alexander von Humboldt Foundation

DOI: 10.1007/JHEP02(2010)041

ISSN: 1029-8479

WoS: 000275223100041

Scopus: 2-s2.0-84856375650

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	298
	311

TY  - JOUR
AU  - Khachatryan, V.
AU  - Adžić, Petar
AU  - Đorđević, Miloš
AU  - Maletić, Dimitrije
AU  - Puzović, Jovan M.
AU  - Milenović, Predrag
PY  - 2010
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3925
AB  - Measurements of inclusive charged-hadron transverse-momentum and pseudorapidity distributions are presented for proton-proton collisions at root s = 0.9 and 2.36 TeV. The data were collected with the CMS detector during the LHC commissioning in December 2009. For non-single-diffractive interactions, the average charged-hadron transverse momentum is measured to be 0.46 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 0.9 TeV and 0.50 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 2.36 TeV, for pseudorapidities between -2.4 and +2.4. At these energies, the measured pseudorapidity densities in the central region, dN(ch)/d eta vertical bar(vertical bar eta vertical bar LT 0.5), are 3.48 +/- 0.02 (stat.) +/- 0.13 (syst.) and 4.47 +/- 0.04 (stat.) +/- 0.16 (syst.), respectively. The results at 0.9 TeV are in agreement with previous measurements and confirm the expectation of near equal hadron production in p LT (p)over bar GT and pp collisions. The results at 2.36 TeV represent the highest-energy measurements at a particle collider to date.
T2  - Journal of High Energy Physics
T1  - Transverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at root s=0.9 and 2.36 TeV
IS  - 2
DO  - 10.1007/JHEP02(2010)041
ER  -

@article{
author = "Khachatryan, V. and Adžić, Petar and Đorđević, Miloš and Maletić, Dimitrije and Puzović, Jovan M. and Milenović, Predrag",
year = "2010",
abstract = "Measurements of inclusive charged-hadron transverse-momentum and pseudorapidity distributions are presented for proton-proton collisions at root s = 0.9 and 2.36 TeV. The data were collected with the CMS detector during the LHC commissioning in December 2009. For non-single-diffractive interactions, the average charged-hadron transverse momentum is measured to be 0.46 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 0.9 TeV and 0.50 +/- 0.01 (stat.) +/- 0.01 (syst.) GeV/c at 2.36 TeV, for pseudorapidities between -2.4 and +2.4. At these energies, the measured pseudorapidity densities in the central region, dN(ch)/d eta vertical bar(vertical bar eta vertical bar LT 0.5), are 3.48 +/- 0.02 (stat.) +/- 0.13 (syst.) and 4.47 +/- 0.04 (stat.) +/- 0.16 (syst.), respectively. The results at 0.9 TeV are in agreement with previous measurements and confirm the expectation of near equal hadron production in p LT (p)over bar GT and pp collisions. The results at 2.36 TeV represent the highest-energy measurements at a particle collider to date.",
journal = "Journal of High Energy Physics",
title = "Transverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at root s=0.9 and 2.36 TeV",
number = "2",
doi = "10.1007/JHEP02(2010)041"
}

Khachatryan, V., Adžić, P., Đorđević, M., Maletić, D., Puzović, J. M.,& Milenović, P.. (2010). Transverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at root s=0.9 and 2.36 TeV. in Journal of High Energy Physics(2).
https://doi.org/10.1007/JHEP02(2010)041

Khachatryan V, Adžić P, Đorđević M, Maletić D, Puzović JM, Milenović P. Transverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at root s=0.9 and 2.36 TeV. in Journal of High Energy Physics. 2010;(2).
doi:10.1007/JHEP02(2010)041 .

Khachatryan, V., Adžić, Petar, Đorđević, Miloš, Maletić, Dimitrije, Puzović, Jovan M., Milenović, Predrag, "Transverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at root s=0.9 and 2.36 TeV" in Journal of High Energy Physics, no. 2 (2010),
https://doi.org/10.1007/JHEP02(2010)041 . .