Measurement of the cross section and angular correlations for associated production of a Z boson with b hadrons in pp collisions at √s = 7 TeV
Özet
A study of proton-proton collisions in which two b hadrons are produced in association with a Z boson is reported. The collisions were recorded at a centre-of-mass energy of 7TeV with the CMS detector at the LHC, for an integrated luminosity of 5:2 fb-1. The b hadrons are identified by means of displaced secondary vertices, without the use of reconstructed jets, permitting the study of b-hadron pair production at small angular separation. Differential cross sections are presented as a function of the angular separation of the b hadrons and the Z boson. In addition, inclusive measurements are presented. For both the inclusive and differential studies, different ranges of Z boson momentum are considered, and each measurement is compared to the predictions from different event generators at leading-order and next-to-leading-order accuracy. Copyright CERN.
Anahtar Kelimeler
Tam Kayıt
| Alan | Değer | Dil |
|---|---|---|
| dc.contributor.author | Chatrchyan, S. | |
| dc.contributor.author | Khachatryan, V. | |
| dc.contributor.author | Sirunyan, A.M. | |
| dc.contributor.author | Tumasyan, A. | |
| dc.contributor.author | Adam, W. | |
| dc.contributor.author | Bergauer, T. | |
| dc.contributor.author | Dragicevic, M. | |
| dc.contributor.author | Erö, J. | |
| dc.contributor.author | Fabjan, C. | |
| dc.contributor.author | Friedl, M. | |
| dc.contributor.author | Frühwirth, R. | |
| dc.contributor.author | Ghete, V.M. | |
| dc.contributor.author | Hörmann, N. | |
| dc.contributor.author | Hrubec, J. | |
| dc.contributor.author | Jeitler, M. | |
| dc.contributor.author | Kiesenhofer, W. | |
| dc.contributor.author | Knünz, V. | |
| dc.contributor.author | Krammer, M. | |
| dc.contributor.author | Krätschmer, I. | |
| dc.contributor.author | Liko, D. | |
| dc.contributor.author | Mikulec, I. | |
| dc.contributor.author | Rabady, D. | |
| dc.contributor.author | Rahbaran, B. | |
| dc.contributor.author | Rohringer, C. | |
| dc.contributor.author | Rohringer, H. | |
| dc.contributor.author | Schöfbeck, R. | |
| dc.contributor.author | Strauss, J. | |
| dc.contributor.author | Taurok, A. | |
| dc.contributor.author | Treberer-Treberspurg, W. | |
| dc.contributor.author | Waltenberger, W. | |
| dc.contributor.author | Wulz, C.-E. | |
| dc.contributor.author | Mossolov, V. | |
| dc.contributor.author | Shumeiko, N. | |
| dc.contributor.author | Suarez Gonzalez, J. | |
| dc.contributor.author | Alderweireldt, S. | |
| dc.contributor.author | Bansal, M. | |
| dc.contributor.author | Bansal, S. | |
| dc.contributor.author | Cornelis, T. | |
| dc.contributor.author | DeWolf, E.A. | |
| dc.contributor.author | Janssen, X. | |
| dc.contributor.author | Knutsson, A. | |
| dc.contributor.author | Luyckx, S. | |
| dc.contributor.author | Mucibello, L. | |
| dc.contributor.author | Ochesanu, S. | |
| dc.contributor.author | Roland, B. | |
| dc.contributor.author | Rougny, R. | |
| dc.contributor.author | Staykova, Z. | |
| dc.contributor.author | Van Haevermaet, H. | |
| dc.contributor.author | Van Mechelen, P. | |
| dc.contributor.author | Van Remortel, N. | |
| dc.date.accessioned | 2026-10-18T20:30:47.777216680Z | |
| dc.date.available | 2026-10-18T20:30:47.777216680Z | |
| dc.date.issued | 2013 | |
| dc.description.abstract | A study of proton-proton collisions in which two b hadrons are produced in association with a Z boson is reported. The collisions were recorded at a centre-of-mass energy of 7TeV with the CMS detector at the LHC, for an integrated luminosity of 5:2 fb-1. The b hadrons are identified by means of displaced secondary vertices, without the use of reconstructed jets, permitting the study of b-hadron pair production at small angular separation. Differential cross sections are presented as a function of the angular separation of the b hadrons and the Z boson. In addition, inclusive measurements are presented. For both the inclusive and differential studies, different ranges of Z boson momentum are considered, and each measurement is compared to the predictions from different event generators at leading-order and next-to-leading-order accuracy. Copyright CERN. | |
| dc.description.sponsorship | Deutsche Forschungsgemeinschaft, DFG; National Natural Science Foundation of China, NSFC; Alexander von Humboldt Foundation; , (ST/K001256/1, ST/I505580/1, ST/I005912/1, ST/K001604/1, ST/I000410/1, ST/L00609X/1, ST/F007094/1, ST/I505572/1, ST/J004901/1, ST/G502347/1, ST/H000925/1, ST/F007434/1, ST/F006748/1, ST/K001639/1, ST/I002200/1, ST/K003844/1, ST/J005665/1, ST/H00081X/2); ; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, SNF, (146398, 144921, 146730); Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, SNF; National Science Foundation, NSF, (0906479, 1314131, 1306951, 1151640, 0969555, 1205960, 1211067); National Science Foundation, NSF; , (098-0982887-2878); | |
| dc.identifier.doi | 10.1007/jhep12(2013)039 | |
| dc.identifier.issn | 1126-6708 | |
| dc.identifier.issue | 12 | |
| dc.identifier.scopus | 2-s2.0-84897838159 | |
| dc.identifier.startpage | 39 | |
| dc.identifier.uri | https://rdlopen.rawdatalibrary.net/r/ebyu/15952 | |
| dc.identifier.volume | 2013 | |
| dc.language.iso | en | |
| dc.publisher | Springer Verlag | |
| dc.relation.ispartof | Journal of High Energy Physics | |
| dc.rights | info:eu-repo/semantics/openAccess | |
| dc.subject | Hadron-hadron scattering | |
| dc.title | Measurement of the cross section and angular correlations for associated production of a Z boson with b hadrons in pp collisions at √s = 7 TeV | |
| dc.type | Article | |
| dspace.entity.type | Publication | |
| rdl.citation.scopus | 34 | |
| rdl.oa.status | gold | |
| rdl.source.index | SCOPUS |
