Properties of Zc± (3900) produced in p p collisions PROPERTIES of Zc± (3900) ... ABAZOV et al.

D0 Collaboration

doi:10.1103/PhysRevD.100.012005

Properties of Zc± (3900) produced in p p collisions PROPERTIES of Zc± (3900) ... ABAZOV et al.

D0 Collaboration

Physics and Astronomy

Joint Institute for Nuclear Research
University of Oklahoma
Tata Institute of Fundamental Research
University of Illinois at Chicago
Florida State University
University of Manchester
Petersburg Nuclear Physics InstituteGatchina
University of Michigan, Ann Arbor
Augustana College, Sioux Falls
Louisiana Tech University
Czech Technical University in Prague
Kyiv National Taras Shevchenko University
Universidad de los Andes Colombia
Université Blaise Pascal
Fermi National Accelerator Laboratory
University of Virginia
Northeastern University
University of Kansas
CEA Saclay
Universidade do Estado do Rio de Janeiro
Panjab University
Universités Paris VI and VII
University of Freiburg
Lancaster University
Imperial College London
University of Mississippi
Northern Illinois University
University of Nebraska-Lincoln
Stony Brook University
Lomonosov Moscow State University
NASU - Institute of Nuclear Research
University of Texas at Arlington
University of Göttingen
University of Washington

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Abstract

We study the production of the exotic charged charmoniumlike state Zc±(3900) in pp collisions through the sequential process ψ(4260)→Zc±(3900)π, Zc±(3900)→J/ψπ±. Using the subsample of candidates originating from semi-inclusive weak decays of b-flavored hadrons, we measure the invariant mass and natural width to be M=3902.6-5.0+5.2(stat)-1.4+3.3(syst) MeV and Γ=32-21+28(stat)-7+26(syst) MeV, respectively. We search for prompt production of the Zc±(3900) through the same sequential process. No significant signal is observed, and we set an upper limit of 0.70 at the 95% credibility level on the ratio of prompt production to the production via b-hadron decays. The study is based on 10.4 fb-1 of pp collision data collected by the D0 experiment at the Fermilab Tevatron collider.

Original language	English
Article number	012005
Journal	Physical Review D
Volume	100
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.100.012005
State	Published - Jul 26 2019

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10.1103/PhysRevD.100.012005

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@article{b7a00bc09ba2464a8882071bb033592d,

title = "Properties of Zc± (3900) produced in p p collisions PROPERTIES of Zc± (3900) ... ABAZOV et al.",

abstract = "We study the production of the exotic charged charmoniumlike state Zc±(3900) in pp collisions through the sequential process ψ(4260)→Zc±(3900)π, Zc±(3900)→J/ψπ±. Using the subsample of candidates originating from semi-inclusive weak decays of b-flavored hadrons, we measure the invariant mass and natural width to be M=3902.6-5.0+5.2(stat)-1.4+3.3(syst) MeV and Γ=32-21+28(stat)-7+26(syst) MeV, respectively. We search for prompt production of the Zc±(3900) through the same sequential process. No significant signal is observed, and we set an upper limit of 0.70 at the 95\% credibility level on the ratio of prompt production to the production via b-hadron decays. The study is based on 10.4 fb-1 of pp collision data collected by the D0 experiment at the Fermilab Tevatron collider.",

author = "\{D0 Collaboration\} and Abazov, \{V. M.\} and B. Abbott and Acharya, \{B. S.\} and M. Adams and T. Adams and Agnew, \{J. P.\} and Alexeev, \{G. D.\} and G. Alkhazov and A. Alton and A. Askew and S. Atkins and K. Augsten and V. Aushev and Y. Aushev and C. Avila and F. Badaud and L. Bagby and B. Baldin and Bandurin, \{D. V.\} and S. Banerjee and E. Barberis and P. Baringer and Bartlett, \{J. F.\} and U. Bassler and V. Bazterra and A. Bean and M. Begalli and L. Bellantoni and Beri, \{S. B.\} and G. Bernardi and R. Bernhard and I. Bertram and M. Besan{\c c}on and R. Beuselinck and Bhat, \{P. C.\} and S. Bhatia and V. Bhatnagar and G. Blazey and S. Blessing and K. Bloom and A. Boehnlein and D. Boline and Boos, \{E. E.\} and G. Borissov and M. Borysova and A. Brandt and O. Brandt and M. Brochmann and Hobbs, \{J. D.\} and D. Tsybychev",

note = "Publisher Copyright: {\textcopyright} 2019 authors. Published by the American Physical Society.",

year = "2019",

month = jul,

day = "26",

doi = "10.1103/PhysRevD.100.012005",

language = "English",

volume = "100",

journal = "Physical Review D",

issn = "2470-0010",

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TY - JOUR

T1 - Properties of Zc± (3900) produced in p p collisions PROPERTIES of Zc± (3900) ... ABAZOV et al.

AU - D0 Collaboration

AU - Abazov, V. M.

AU - Abbott, B.

AU - Acharya, B. S.

AU - Adams, M.

AU - Adams, T.

AU - Agnew, J. P.

AU - Alexeev, G. D.

AU - Alkhazov, G.

AU - Alton, A.

AU - Askew, A.

AU - Atkins, S.

AU - Augsten, K.

AU - Aushev, V.

AU - Aushev, Y.

AU - Avila, C.

AU - Badaud, F.

AU - Bagby, L.

AU - Baldin, B.

AU - Bandurin, D. V.

AU - Banerjee, S.

AU - Barberis, E.

AU - Baringer, P.

AU - Bartlett, J. F.

AU - Bassler, U.

AU - Bazterra, V.

AU - Bean, A.

AU - Begalli, M.

AU - Bellantoni, L.

AU - Beri, S. B.

AU - Bernardi, G.

AU - Bernhard, R.

AU - Bertram, I.

AU - Besançon, M.

AU - Beuselinck, R.

AU - Bhat, P. C.

AU - Bhatia, S.

AU - Bhatnagar, V.

AU - Blazey, G.

AU - Blessing, S.

AU - Bloom, K.

AU - Boehnlein, A.

AU - Boline, D.

AU - Boos, E. E.

AU - Borissov, G.

AU - Borysova, M.

AU - Brandt, A.

AU - Brandt, O.

AU - Brochmann, M.

AU - Hobbs, J. D.

AU - Tsybychev, D.

PY - 2019/7/26

Y1 - 2019/7/26

N2 - We study the production of the exotic charged charmoniumlike state Zc±(3900) in pp collisions through the sequential process ψ(4260)→Zc±(3900)π, Zc±(3900)→J/ψπ±. Using the subsample of candidates originating from semi-inclusive weak decays of b-flavored hadrons, we measure the invariant mass and natural width to be M=3902.6-5.0+5.2(stat)-1.4+3.3(syst) MeV and Γ=32-21+28(stat)-7+26(syst) MeV, respectively. We search for prompt production of the Zc±(3900) through the same sequential process. No significant signal is observed, and we set an upper limit of 0.70 at the 95% credibility level on the ratio of prompt production to the production via b-hadron decays. The study is based on 10.4 fb-1 of pp collision data collected by the D0 experiment at the Fermilab Tevatron collider.

AB - We study the production of the exotic charged charmoniumlike state Zc±(3900) in pp collisions through the sequential process ψ(4260)→Zc±(3900)π, Zc±(3900)→J/ψπ±. Using the subsample of candidates originating from semi-inclusive weak decays of b-flavored hadrons, we measure the invariant mass and natural width to be M=3902.6-5.0+5.2(stat)-1.4+3.3(syst) MeV and Γ=32-21+28(stat)-7+26(syst) MeV, respectively. We search for prompt production of the Zc±(3900) through the same sequential process. No significant signal is observed, and we set an upper limit of 0.70 at the 95% credibility level on the ratio of prompt production to the production via b-hadron decays. The study is based on 10.4 fb-1 of pp collision data collected by the D0 experiment at the Fermilab Tevatron collider.

UR - https://www.scopus.com/pages/publications/85072324236

U2 - 10.1103/PhysRevD.100.012005

DO - 10.1103/PhysRevD.100.012005

M3 - Article

AN - SCOPUS:85072324236

SN - 2470-0010

VL - 100

JO - Physical Review D

JF - Physical Review D

IS - 1

M1 - 012005

ER -

Properties of Zc± (3900) produced in p p collisions PROPERTIES of Zc± (3900) ... ABAZOV et al.

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