Measurements of differential production cross sections for a Z boson in association with jets in pp collisions at √s=8 TeV

被引：0

作者：

Khachatryan, V. ^{[1
]}

Sirunyan, A. M. ^{[1
]}

Tumasyan, A. ^{[1
]}

Adam, W. ^{[2
]}

Asilar, E. ^{[2
]}

Bergauer, T. ^{[2
]}

Brandstetter, J. ^{[2
]}

Brondolin, E. ^{[2
]}

Dragicevic, M. ^{[2
]}

Eroe, J. ^{[2
]}

Flechl, M. ^{[2
]}

Friedl, M. ^{[2
]}

Fruehwirth, R. ^{[2
,198
]}

Ghete, V. M. ^{[2
]}

Hartl, C. ^{[2
]}

Hoermann, N. ^{[2
]}

Hrubec, J. ^{[2
]}

Jeitler, M. ^{[2
,198
]}

Koenig, A. ^{[2
]}

Kraetschmer, I. ^{[2
]}

Liko, D. ^{[2
]}

Matsushita, T. ^{[2
]}

Mikulec, I. ^{[2
]}

Rabady, D. ^{[2
]}

Rad, N. ^{[2
]}

Rahbaran, B. ^{[2
]}

Rohringer, H. ^{[2
]}

Schieck, J. ^{[2
,198
]}

Strauss, J. ^{[2
]}

Treberer-Treberspurg, W. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C. -E. ^{[2
,198
]}

Mossolov, V. ^{[3
]}

Shumeiko, N. ^{[3
]}

Gonzalez, J. Suarez ^{[3
]}

Alderweireldt, S. ^{[4
]}

De Wolf, E. A. ^{[4
]}

Janssen, X. ^{[4
]}

Lauwers, J. ^{[4
]}

De Klundert, M. Van ^{[4
]}

Van Haevermaet, H. ^{[4
]}

Van Mechelen, P. ^{[4
]}

Van Remortel, N. ^{[4
]}

Van Spilbeeck, A. ^{[4
]}

Abu Zeid, S. ^{[5
]}

Blekman, F. ^{[5
]}

D'Hondt, J. ^{[5
]}

Daci, N. ^{[5
]}

De Bruyn, I. ^{[5
]}

Deroover, K. ^{[5
]}

机构：

[1] Yerevan Phys Inst, Yerevan, Armenia

[2] Inst Hochenergiephys, Vienna, Austria

[3] Natl Ctr Particle & High Energy Phys, Minsk, BELARUS

[4] Univ Antwerp, Antwerp, Belgium

[5] Vrije Univ Brussel, Brussels, Belgium

[6] Univ Libre Bruxelles, Brussels, Belgium

[7] Univ Ghent, Ghent, Belgium

[8] Catholic Univ Louvain, Louvain La Neuve, Belgium

[9] Univ Mons, Mons, Belgium

[10] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[11] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil

[12] Univ Estadual Paulista, Sao Paulo, Brazil

[13] Univ Fed ABC, Sao Paulo, Brazil

[14] Inst Nucl Energy Res, Sofia, Bulgaria

[15] Univ Sofia, Sofia, Bulgaria

[16] Beihang Univ, Beijing, Peoples R China

[17] Inst High Energy Phys, Beijing, Peoples R China

[18] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China

[19] Univ Los Andes, Bogota, Colombia

[20] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia

[21] Univ Split, Fac Sci, Split, Croatia

[22] Inst Rudjer Boskovic, Zagreb, Croatia

[23] Univ Cyprus, Nicosia, Cyprus

[24] Charles Univ Prague, Prague, Czech Republic

[25] Univ San Francisco Quito, Quito, Ecuador

[26] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, Cairo, Egypt

[27] NICPB, Tallinn, Estonia

[28] Univ Helsinki, Dept Phys, Helsinki, Finland

[29] Helsinki Inst Phys, Helsinki, Finland

[30] Lappeenranta Univ Technol, Lappeenranta, Finland

[31] Univ Paris Saclay, IRFU, CEA, Gif Sur Yvette, France

[32] Ecole Polytech, CNRS IN2P3, Lab Leprince Ringuet, Palaiseau, France

[33] Univ Strasbourg, Univ Haute Alsace Mulhouse, Inst Pluridisciplinaire Hubert Curien, CNRS IN2P3, Strasbourg, France

[34] CNRS, Ctr Calcul, IN2P3, Villeurbanne, France

[35] Univ Lyon 1, CNRS IN2P3, Inst Phys Nucl Lyon, Villeurbanne, France

[36] Georgian Tech Univ, Tbilisi, Georgia

[37] Tbilisi State Univ, Tbilisi, Georgia

[38] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany

[39] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

[40] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany

[41] DESY, Hamburg, Germany

[42] Univ Hamburg, Hamburg, Germany

[43] Inst Expt Kernphys, Karlsruhe, Germany

[44] NCSR Demokritos, INPP, Aghia Paraskevi, Greece

[45] Natl & Kapodistrian Univ Athens, Athens, Greece

[46] Univ Ioannina, Ioannina, Greece

[47] Eotvos Lorand Univ, MTA ELTE Lendulet CMS Particle & Nucl Phys Grp, Budapest, Hungary

[48] Wigner Res Ctr Phys, Budapest, Hungary

[49] Inst Nucl Res ATOMKI, Debrecen, Hungary

[50] Univ Debrecen, Inst Phys, Debrecen, Hungary

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2017年 / 04期

基金：

奥地利科学基金会; 新加坡国家研究基金会; 美国国家科学基金会; 中国国家自然科学基金; 芬兰科学院; 欧洲研究理事会; 英国科学技术设施理事会; 俄罗斯基础研究基金会; 巴西圣保罗研究基金会;

关键词：

Hadron-Hadron scattering (experiments); Particle and resonance production; QCD;

D O I：

10.1007/JHEP04(2017)022

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Cross sections for the production of a Z boson in association with jets in proton-proton collisions at a centre-of-mass energy of root s = 8 TeV are measured using a data sample collected by the CMS experiment at the LHC corresponding to 19.6 fb(-1). Differential cross sections are presented as functions of up to three observables that describe the jet kinematics and the jet activity. Correlations between the azimuthal directions and the rapidities of the jets and the Z boson are studied in detail. The predictions of a number of multileg generators with leading or next-to-leading order accuracy are compared with the measurements. The comparison shows the importance of including multi-parton contributions in the matrix elements and the improvement in the predictions when nextto- leading order terms are included.

引用

页数：70

共 47 条

[1]

Aad G, 2013, J HIGH ENERGY PHYS, DOI 10.1007/JHEP07(2013)032

[2] Measurement of inclusive jet cross sections in Z/γ*(→e+e-)+jets production in p(p)over-bar collisions at √s=1.96 TeV [J].

Aaltonen, T. ;

Adelman, J. ;

Akimoto, T. ;

Albrow, M. G. ;

Gonzalez, B. Alvarez ;

Amerio, S. ;

Amidei, D. ;

Anastassov, A. ;

Annovi, A. ;

Antos, J. ;

Aoki, M. ;

Apollinari, G. ;

Apresyan, A. ;

Arisawa, T. ;

Artikov, A. ;

Ashmanskas, W. ;

Attal, A. ;

Aurisano, A. ;

Azfar, F. ;

Azzi-Bacchetta, P. ;

Azzurri, P. ;

Bacchetta, N. ;

Badgett, W. ;

Barbaro-Galtieri, A. ;

Barnes, V. E. ;

Barnett, B. A. ;

Baroiant, S. ;

Bartsch, V. ;

Bauer, G. ;

Beauchemin, P. -H. ;

Bedeschi, F. ;

Bednar, P. ;

Behari, S. ;

Bellettini, G. ;

Bellinger, J. ;

Belloni, A. ;

Benjamin, D. ;

Beretvas, A. ;

Beringer, J. ;

Berry, T. ;

Bhatti, A. ;

Binkley, M. ;

Bisello, D. ;

Bizjak, I. ;

Blair, R. E. ;

Blocker, C. ;

Blumenfeld, B. ;

Bocci, A. ;

Bodek, A. ;

Boisvert, V. .

PHYSICAL REVIEW LETTERS, 2008, 100 (10)

[3] Measurement of differential Z/γ* plus jet plus X cross sections in p(p)over-bar collisions at √S=1.96 TeV [J].

Abazov, V. M. ;

Abbott, B. ;

Abolins, M. ;

Achary, B. S. ;

Adams, M. ;

Adams, T. ;

Aguilo, E. ;

Ahsan, M. ;

Alexeev, G. D. ;

Alkhazov, G. ;

Alton, A. ;

Alverson, G. ;

Alves, G. A. ;

Anastasoaie, M. ;

Ancu, L. S. ;

Andeen, T. ;

Andrieu, B. ;

Anzelc, M. S. ;

Aoki, M. ;

Arnoud, Y. ;

Arov, M. ;

Arthaud, M. ;

Askew, A. ;

Asman, B. ;

Jesus, A. C. S. Assis ;

Atramentov, O. ;

Avila, C. ;

Badaud, F. ;

Bagby, L. ;

Baldin, B. ;

Bandurin, D. V. ;

Banerjee, P. ;

Banerjee, S. ;

Barberis, E. ;

Barfuss, A. -F. ;

Bargassa, P. ;

Baringer, P. ;

Barreto, J. ;

Bartlett, J. F. ;

Bassler, U. ;

Bauer, D. ;

Beale, S. ;

Bean, A. ;

Begalli, M. ;

Begel, M. ;

Belanger-Champagne, C. ;

Bellantoni, L. ;

Bellavance, A. ;

Benitez, J. A. ;

Beri, S. B. .

PHYSICS LETTERS B, 2008, 669 (05) :278-286

[4]

Adye T., 2011, PHYSTAT 2011 WORKSH

[5] GEANT4-a simulation toolkit [J].

Agostinelli, S ;

Allison, J ;

Amako, K ;

Apostolakis, J ;

Araujo, H ;

Arce, P ;

Asai, M ;

Axen, D ;

Banerjee, S ;

Barrand, G ;

Behner, F ;

Bellagamba, L ;

Boudreau, J ;

Broglia, L ;

Brunengo, A ;

Burkhardt, H ;

Chauvie, S ;

Chuma, J ;

Chytracek, R ;

Cooperman, G ;

Cosmo, G ;

Degtyarenko, P ;

Dell'Acqua, A ;

Depaola, G ;

Dietrich, D ;

Enami, R ;

Feliciello, A ;

Ferguson, C ;

Fesefeldt, H ;

Folger, G ;

Foppiano, F ;

Forti, A ;

Garelli, S ;

Giani, S ;

Giannitrapani, R ;

Gibin, D ;

Cadenas, JJG ;

González, I ;

Abril, GG ;

Greeniaus, G ;

Greiner, W ;

Grichine, V ;

Grossheim, A ;

Guatelli, S ;

Gumplinger, P ;

Hamatsu, R ;

Hashimoto, K ;

Hasui, H ;

Heikkinen, A ;

Howard, A .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2003, 506 (03) :250-303

[6] Comparative study of various algorithms for the merging of parton showers and matrix elements in hadronic collisions [J].

Alwall, J. ;

Hoche, S. ;

Krauss, F. ;

Lavesson, N. ;

Lonnblad, L. ;

Maltoni, F. ;

Mangano, M. L. ;

Moretti, M. ;

Papadopoulos, C. G. ;

Piccinini, F. ;

Schumann, S. ;

Treccani, M. ;

Winter, J. ;

Worek, M. .

EUROPEAN PHYSICAL JOURNAL C, 2008, 53 (03) :473-500

[7] The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations [J].

Alwall, J. ;

Frederix, R. ;

Frixione, S. ;

Hirschi, V. ;

Maltoni, F. ;

Mattelaer, O. ;

Shao, H. -S. ;

Stelzer, T. ;

Torrielli, P. ;

Zaro, M. .

JOURNAL OF HIGH ENERGY PHYSICS, 2014, (07)

[8] MadGraph 5: going beyond [J].

Alwall, Johan ;

Herquet, Michel ;

Maltoni, Fabio ;

Mattelaer, Olivier ;

Stelzer, Tim .

JOURNAL OF HIGH ENERGY PHYSICS, 2011, (06)

[9] QCD radiation in the production of heavy colored particles at the LHC [J].

Alwall, Johan ;

de Visscher, Simon ;

Maltoni, Fabio .

JOURNAL OF HIGH ENERGY PHYSICS, 2009, (02)

[10]

[Anonymous], 2013, PHYS REV D

← 1 2 3 4 5 →