Published December 17, 2015
| Submitted + Published
Journal Article
Open
Pseudorapidity distribution of charged hadrons in proton–proton collisions at √s = 13 TeV
Abstract
The pseudorapidity distribution of charged hadrons in pp collisions at √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 (|η|<2|η|<2) using both hit pairs and reconstructed tracks. For central pseudorapidities (|η|<0.5, the charged-hadron multiplicity density is dN_(ch)/dη|_(|η|) <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.
Additional Information
© 2015 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Received 21 July 2015, Revised 20 September 2015, Accepted 1 October 2015, Available online 8 October 2015. Editor: M. Doser. This article is registered under preprint number 1507.05915. Funded by SCOAP3. We congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centres and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWFW and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MOST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MoER, ERC IUT and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Dubna); MON, RosAtom, RAS and RFBR (Russia); MESTD (Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei); ThEPCenter, IPST, STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (USA). Individuals have received support from the Marie-Curie programme and the European Research Council and EPLANET (European Union); the Leventis Foundation; the Alfred P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS programme of the Foundation for Polish Science, cofinanced from European Union, Regional Development Fund; the Compagnia di San Paolo (Torino); the Consorzio per la Fisica (Trieste); MIUR project 20108T4XTM (Italy); the Thalis and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF; the National Priorities Research Program by Qatar National Research Fund; the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University (Thailand); and the Welch Foundation.Attached Files
Published - 1-s2.0-S0370269315007558-main.pdf
Submitted - 1507.05915v2.pdf
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Additional details
- Eprint ID
- 63099
- Resolver ID
- CaltechAUTHORS:20151221-091321595
- SCOAP3
- Bundesministerium für Wissenschaft, Forschung und Wirtschaft (BMWFW)
- Fonds de la Recherche Scientifique (FNRS)
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
- MES (Bulgaria)
- CERN
- CAS, MOST, and NSFC (China)
- COLCIENCIAS (Colombia)
- MSES and CSF (Croatia)
- RPF (Cyprus)
- MoER, ERC IUT, and ERDF (Estonia)
- Academy of Finland, MEC, and HIP (Finland)
- Commissariat à l'Energie Atomique (CEA)
- Bundesministerium für Bildung und Forschung (BMBF)
- General Secretariat of Research and Technology (GSRT)
- OTKA and NIH (Hungary)
- DAE and DST (India)
- IPM (Iran)
- Science Foundation, Ireland
- Istituto Nazionale di Fisica Nucleare (INFN)
- MSIP and NRF (Republic of Korea)
- LAS (Lithuania)
- MOE and UM (Malaysia)
- CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico)
- MBIE (New Zealand)
- PAEC (Pakistan)
- MSHE and NSC (Poland)
- Fundação para a Ciência e a Tecnologia (FCT)
- JINR (Dubna)
- MON, RosAtom, RAS, and RFBR (Russia)
- MESTD (Serbia)
- SEIDI and CPAN (Spain)
- Swiss Funding Agencies (Switzerland)
- Ministry of Science and Technology (Taipei)
- ThEPCenter, IPST, STAR, and NSTDA (Thailand)
- TUBITAK and TAEK (Turkey)
- NASU and SFFR (Ukraine)
- Science and Technology Facilities Council (STFC)
- Department of Energy (DOE)
- NSF
- Marie-Curie programme
- Leventis Foundation
- Alfred P. Sloan Foundation
- Alexander von Humboldt Foundation
- Belgian Federal Science Policy Office (BELSPO)
- Fonds pour la Formation à la Recherche dans l'índustrie et dans l'Ágriculture (FRIA-Belgium)
- Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
- Ministry of Education, Youth and Sports (MEYS) of Czech Republic
- Council of Science and Industrial Research, India
- HOMING PLUS programme of Foundation for Polish Science
- Compagnia di San Paolo (Torino)
- Consorzio per la Fisica (Trieste)
- 20108T4XTM
- Ministero dell'Istruzione, dell'Università e della Ricerca (MIUR)
- Thalis and Aristeia programmes
- Qatar National Research Fund National Priorities Research Program
- Rachadapisek Sompot Fund for Postdoctoral Fellowship Chulalongkorn University (Thailand)
- Welch Foundation
- FWF Der Wissenschaftsfonds
- Fonds Wetenschappelijk Onderzoek - Vlaanderen (FWO)
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
- Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)
- Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
- European Research Council (ERC)
- EPLANET
- Centre National de la Recherche Scientifique (CNRS)
- Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)
- Deutsche Forschungsgemeinschaft (DFG)
- Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF)
- European Union Regional Development Fund
- European Social Fund
- Greek National Strategic Reference Framework (NSRF)
- Created
-
2015-12-22Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Caltech groups
- CMS@Caltech