doi: 10.1103/PhysRevLett.117.022003.
Epub 2016 Jul 7.
Evidence for a B_{s}^{0}π^{±} State
V M Abazov
1
, B Abbott
2
, B S Acharya
3
, M Adams
4
, T Adams
5
, J P Agnew
6
, G D Alexeev
1
, G Alkhazov
7
, A Alton
8
, A Askew
5
, S Atkins
9
, K Augsten
10
, V Aushev
11
, Y Aushev
11
, C Avila
12
, F Badaud
13
, L Bagby
14
, B Baldin
14
, D V Bandurin
15
, S Banerjee
3
, E Barberis
16
, P Baringer
17
, J F Bartlett
14
, U Bassler
18
, V Bazterra
4
, A Bean
17
, M Begalli
19
, L Bellantoni
14
, S B Beri
20
, G Bernardi
21
, R Bernhard
22
, I Bertram
23
, M Besançon
18
, R Beuselinck
24
, P C Bhat
14
, S Bhatia
25
, V Bhatnagar
20
, G Blazey
26
, S Blessing
5
, K Bloom
27
, A Boehnlein
14
, D Boline
28
, E E Boos
29
, G Borissov
23
, M Borysova
11
, A Brandt
30
, O Brandt
31
, M Brochmann
32
, R Brock
33
, A Bross
14
, D Brown
21
, X B Bu
14
, M Buehler
14
, V Buescher
34
, V Bunichev
29
, S Burdin
23
, C P Buszello
35
, E Camacho-Pérez
36
, B C K Casey
14
, H Castilla-Valdez
36
, S Caughron
33
, S Chakrabarti
28
, K M Chan
37
, A Chandra
38
, E Chapon
18
, G Chen
17
, S W Cho
39
, S Choi
39
, B Choudhary
40
, S Cihangir
14
, D Claes
27
, J Clutter
17
, M Cooke
14
, W E Cooper
14
, M Corcoran
38
, F Couderc
18
, M-C Cousinou
41
, J Cuth
34
, D Cutts
42
, A Das
43
, G Davies
24
, S J de Jong
44
45
, E De La Cruz-Burelo
36
, F Déliot
18
, R Demina
46
, D Denisov
14
, S P Denisov
47
, S Desai
14
, C Deterre
6
, K DeVaughan
27
, H T Diehl
14
, M Diesburg
14
, P F Ding
6
, A Dominguez
27
, A Drutskoy
48
, A Dubey
40
, L V Dudko
29
, A Duperrin
41
, S Dutt
20
, M Eads
26
, D Edmunds
33
, J Ellison
49
, V D Elvira
14
, Y Enari
21
, H Evans
50
, A Evdokimov
4
, V N Evdokimov
47
, A Fauré
18
, L Feng
26
, T Ferbel
46
, F Fiedler
34
, F Filthaut
44
45
, W Fisher
33
, H E Fisk
14
, M Fortner
26
, H Fox
23
, J Franc
10
, S Fuess
14
, P H Garbincius
14
, A Garcia-Bellido
46
, J A García-González
36
, V Gavrilov
48
, W Geng
41
33
, C E Gerber
4
, Y Gershtein
51
, G Ginther
14
, O Gogota
11
, G Golovanov
1
, P D Grannis
28
, S Greder
52
, H Greenlee
14
, G Grenier
53
, Ph Gris
13
, J-F Grivaz
54
, A Grohsjean
18
, S Grünendahl
14
, M W Grünewald
55
, T Guillemin
54
, G Gutierrez
14
, P Gutierrez
2
, J Haley
56
, L Han
57
, K Harder
6
, A Harel
46
, J M Hauptman
58
, J Hays
24
, T Head
6
, T Hebbeker
59
, D Hedin
26
, H Hegab
56
, A P Heinson
49
, U Heintz
42
, C Hensel
60
, I Heredia-De La Cruz
36
, K Herner
14
, G Hesketh
6
, M D Hildreth
37
, R Hirosky
15
, T Hoang
5
, J D Hobbs
28
, B Hoeneisen
61
, J Hogan
38
, M Hohlfeld
34
, J L Holzbauer
25
, I Howley
30
, Z Hubacek
10
18
, V Hynek
10
, I Iashvili
62
, Y Ilchenko
43
, R Illingworth
14
, A S Ito
14
, S Jabeen
14
, M Jaffré
54
, A Jayasinghe
2
, M S Jeong
39
, R Jesik
24
, P Jiang
57
, K Johns
63
, E Johnson
33
, M Johnson
14
, A Jonckheere
14
, P Jonsson
24
, J Joshi
49
, A W Jung
14
, A Juste
64
, E Kajfasz
41
, D Karmanov
29
, I Katsanos
27
, M Kaur
20
, R Kehoe
43
, S Kermiche
41
, N Khalatyan
14
, A Khanov
56
, A Kharchilava
62
, Y N Kharzheev
1
, I Kiselevich
48
, J M Kohli
20
, A V Kozelov
47
, J Kraus
25
, A Kumar
62
, A Kupco
65
, T Kurča
53
, V A Kuzmin
29
, S Lammers
50
, P Lebrun
53
, H S Lee
39
, S W Lee
58
, W M Lee
14
, X Lei
63
, J Lellouch
21
, D Li
21
, H Li
15
, L Li
49
, Q Z Li
14
, J K Lim
39
, D Lincoln
14
, J Linnemann
33
, V V Lipaev
47
, R Lipton
14
, H Liu
43
, Y Liu
57
, A Lobodenko
7
, M Lokajicek
65
, R Lopes de Sa
14
, R Luna-Garcia
36
, A L Lyon
14
, A K A Maciel
60
, R Madar
22
, R Magaña-Villalba
36
, S Malik
27
, V L Malyshev
1
, J Mansour
31
, J Martínez-Ortega
36
, R McCarthy
28
, C L McGivern
6
, M M Meijer
44
45
, A Melnitchouk
14
, D Menezes
26
, P G Mercadante
66
, M Merkin
29
, A Meyer
59
, J Meyer
31
, F Miconi
52
, N K Mondal
3
, M Mulhearn
15
, E Nagy
41
, M Narain
42
, R Nayyar
63
, H A Neal
8
, J P Negret
12
, P Neustroev
7
, H T Nguyen
15
, T Nunnemann
67
, J Orduna
42
, N Osman
41
, A Pal
30
, N Parashar
68
, V Parihar
42
, S K Park
39
, R Partridge
42
, N Parua
50
, A Patwa
69
, B Penning
24
, M Perfilov
29
, Y Peters
6
, K Petridis
6
, G Petrillo
46
, P Pétroff
54
, M-A Pleier
69
, V M Podstavkov
14
, A V Popov
47
, M Prewitt
38
, D Price
6
, N Prokopenko
47
, J Qian
8
, A Quadt
31
, B Quinn
25
, P N Ratoff
23
, I Razumov
47
, I Ripp-Baudot
52
, F Rizatdinova
56
, M Rominsky
14
, A Ross
23
, C Royon
65
, P Rubinov
14
, R Ruchti
37
, G Sajot
70
, A Sánchez-Hernández
36
, M P Sanders
67
, A S Santos
60
, G Savage
14
, M Savitskyi
11
, L Sawyer
9
, T Scanlon
24
, R D Schamberger
28
, Y Scheglov
7
, H Schellman
71
72
, M Schott
34
, C Schwanenberger
6
, R Schwienhorst
33
, J Sekaric
17
, H Severini
2
, E Shabalina
31
, V Shary
18
, S Shaw
6
, A A Shchukin
47
, V Simak
10
, P Skubic
2
, P Slattery
46
, G R Snow
27
, J Snow
73
, S Snyder
69
, S Söldner-Rembold
6
, L Sonnenschein
59
, K Soustruznik
74
, J Stark
70
, N Stefaniuk
11
, D A Stoyanova
47
, M Strauss
2
, L Suter
6
, P Svoisky
15
, M Titov
18
, V V Tokmenin
1
, Y-T Tsai
46
, D Tsybychev
28
, B Tuchming
18
, C Tully
75
, L Uvarov
7
, S Uvarov
7
, S Uzunyan
26
, R Van Kooten
50
, W M van Leeuwen
44
, N Varelas
4
, E W Varnes
63
, I A Vasilyev
47
, A Y Verkheev
1
, L S Vertogradov
1
, M Verzocchi
14
, M Vesterinen
6
, D Vilanova
18
, P Vokac
10
, H D Wahl
5
, M H L S Wang
14
, J Warchol
37
, G Watts
32
, M Wayne
37
, J Weichert
34
, L Welty-Rieger
71
, M R J Williams
50
, G W Wilson
17
, M Wobisch
9
, D R Wood
16
, T R Wyatt
6
, Y Xie
14
, R Yamada
14
, S Yang
57
, T Yasuda
14
, Y A Yatsunenko
1
, W Ye
28
, Z Ye
14
, H Yin
14
, K Yip
69
, S W Youn
14
, J M Yu
8
, J Zennamo
62
, T G Zhao
6
, B Zhou
8
, J Zhu
8
, M Zielinski
46
, D Zieminska
50
, L Zivkovic
21
; D0 Collaboration
Affiliations
Affiliations
- 1 Joint Institute for Nuclear Research, Dubna 141980, Russia.
- 2 University of Oklahoma, Norman, Oklahoma 73019, USA.
- 3 Tata Institute of Fundamental Research, Mumbai 400 005, India.
- 4 University of Illinois at Chicago, Chicago, Illinois 60607, USA.
- 5 Florida State University, Tallahassee, Florida 32306, USA.
- 6 The University of Manchester, Manchester M13 9PL, United Kingdom.
- 7 Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia.
- 8 University of Michigan, Ann Arbor, Michigan 48109, USA.
- 9 Louisiana Tech University, Ruston, Louisiana 71272, USA.
- 10 Czech Technical University in Prague, 116 36 Prague 6, Czech Republic.
- 11 Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine.
- 12 Universidad de los Andes, Bogotá 111711, Colombia.
- 13 LPC, Université Blaise Pascal, CNRS/IN2P3, Clermont, F-63178 Aubière Cedex, France.
- 14 Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
- 15 University of Virginia, Charlottesville, Virginia 22904, USA.
- 16 Northeastern University, Boston, Massachusetts 02115, USA.
- 17 University of Kansas, Lawrence, Kansas 66045, USA.
- 18 CEA Saclay, Irfu, SPP, F-91191 Gif-Sur-Yvette Cedex, France.
- 19 Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 20550, Brazil.
- 20 Panjab University, Chandigarh 160014, India.
- 21 LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France.
- 22 Physikalisches Institut, Universität Freiburg, 79085 Freiburg, Germany.
- 23 Lancaster University, Lancaster LA1 4YB, United Kingdom.
- 24 Imperial College London, London SW7 2AZ, United Kingdom.
- 25 University of Mississippi, University, Mississippi 38677, USA.
- 26 Northern Illinois University, DeKalb, Illinois 60115, USA.
- 27 University of Nebraska, Lincoln, Nebraska 68588, USA.
- 28 State University of New York, Stony Brook, New York 11794, USA.
- 29 Moscow State University, Moscow 119991, Russia.
- 30 University of Texas, Arlington, Texas 76019, USA.
- 31 II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany.
- 32 University of Washington, Seattle, Washington 98195, USA.
- 33 Michigan State University, East Lansing, Michigan 48824, USA.
- 34 Institut für Physik, Universität Mainz, 55099 Mainz, Germany.
- 35 Uppsala University, 751 05 Uppsala, Sweden.
- 36 CINVESTAV, Mexico City 07360, Mexico.
- 37 University of Notre Dame, Notre Dame, Indiana 46556, USA.
- 38 Rice University, Houston, Texas 77005, USA.
- 39 Korea Detector Laboratory, Korea University, Seoul 02841, Korea.
- 40 Delhi University, Delhi 110 007, India.
- 41 CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France.
- 42 Brown University, Providence, Rhode Island 02912, USA.
- 43 Southern Methodist University, Dallas, Texas 75275, USA.
- 44 Nikhef, Science Park, 1098 XG Amsterdam, The Netherlands.
- 45 Radboud University Nijmegen, 6525 AJ Nijmegen, The Netherlands.
- 46 University of Rochester, Rochester, New York 14627, USA.
- 47 Institute for High Energy Physics, Protvino, Moscow region 142281, Russia.
- 48 Institute for Theoretical and Experimental Physics, Moscow 117259, Russia.
- 49 University of California Riverside, Riverside, California 92521, USA.
- 50 Indiana University, Bloomington, Indiana 47405, USA.
- 51 Rutgers University, Piscataway, New Jersey 08855, USA.
- 52 IPHC, Université de Strasbourg, CNRS/IN2P3, F-67037 Strasbourg, France.
- 53 IPNL, Université Lyon 1, CNRS/IN2P3, F-69622 Villeurbanne Cedex, France and Université de Lyon, F-69361 Lyon CEDEX 07, France.
- 54 LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay Cedex, France.
- 55 University College Dublin, Dublin 4, Ireland.
- 56 Oklahoma State University, Stillwater, Oklahoma 74078, USA.
- 57 University of Science and Technology of China, Hefei 230026, People's Republic of China.
- 58 Iowa State University, Ames, Iowa 50011, USA.
- 59 III. Physikalisches Institut A, RWTH Aachen University, 52056 Aachen, Germany.
- 60 LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Rio de Janeiro 22290, Brazil.
- 61 Universidad San Francisco de Quito, Quito, Ecuador.
- 62 State University of New York, Buffalo, New York 14260, USA.
- 63 University of Arizona, Tucson, Arizona 85721, USA.
- 64 Institució Catalana de Recerca i Estudis Avançats (ICREA) and Institut de Física d'Altes Energies (IFAE), 08193 Bellaterra (Barcelona), Spain.
- 65 Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic.
- 66 Universidade Federal do ABC, Santo André, Sao Paulo 09210, Brazil.
- 67 Ludwig-Maximilians-Universität München, 80539 München, Germany.
- 68 Purdue University Calumet, Hammond, Indiana 46323, USA.
- 69 Brookhaven National Laboratory, Upton, New York 11973, USA.
- 70 LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France.
- 71 Northwestern University, Evanston, Illinois 60208, USA.
- 72 Oregon State University, Corvallis, Oregon 97331, USA.
- 73 Langston University, Langston, Oklahoma 73050, USA.
- 74 Charles University, Faculty of Mathematics and Physics, Center for Particle Physics, 116 36 Prague 1, Czech Republic.
- 75 Princeton University, Princeton, New Jersey 08544, USA.
- PMID: 27447502
- DOI: 10.1103/PhysRevLett.117.022003
Item in Clipboard
Evidence for a B_{s}^{0}π^{±} State
V M Abazov et al.
Phys Rev Lett.
.
Free article
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Format
doi: 10.1103/PhysRevLett.117.022003.
Epub 2016 Jul 7.
Authors
V M Abazov
1
, B Abbott
2
, B S Acharya
3
, M Adams
4
, T Adams
5
, J P Agnew
6
, G D Alexeev
1
, G Alkhazov
7
, A Alton
8
, A Askew
5
, S Atkins
9
, K Augsten
10
, V Aushev
11
, Y Aushev
11
, C Avila
12
, F Badaud
13
, L Bagby
14
, B Baldin
14
, D V Bandurin
15
, S Banerjee
3
, E Barberis
16
, P Baringer
17
, J F Bartlett
14
, U Bassler
18
, V Bazterra
4
, A Bean
17
, M Begalli
19
, L Bellantoni
14
, S B Beri
20
, G Bernardi
21
, R Bernhard
22
, I Bertram
23
, M Besançon
18
, R Beuselinck
24
, P C Bhat
14
, S Bhatia
25
, V Bhatnagar
20
, G Blazey
26
, S Blessing
5
, K Bloom
27
, A Boehnlein
14
, D Boline
28
, E E Boos
29
, G Borissov
23
, M Borysova
11
, A Brandt
30
, O Brandt
31
, M Brochmann
32
, R Brock
33
, A Bross
14
, D Brown
21
, X B Bu
14
, M Buehler
14
, V Buescher
34
, V Bunichev
29
, S Burdin
23
, C P Buszello
35
, E Camacho-Pérez
36
, B C K Casey
14
, H Castilla-Valdez
36
, S Caughron
33
, S Chakrabarti
28
, K M Chan
37
, A Chandra
38
, E Chapon
18
, G Chen
17
, S W Cho
39
, S Choi
39
, B Choudhary
40
, S Cihangir
14
, D Claes
27
, J Clutter
17
, M Cooke
14
, W E Cooper
14
, M Corcoran
38
, F Couderc
18
, M-C Cousinou
41
, J Cuth
34
, D Cutts
42
, A Das
43
, G Davies
24
, S J de Jong
44
45
, E De La Cruz-Burelo
36
, F Déliot
18
, R Demina
46
, D Denisov
14
, S P Denisov
47
, S Desai
14
, C Deterre
6
, K DeVaughan
27
, H T Diehl
14
, M Diesburg
14
, P F Ding
6
, A Dominguez
27
, A Drutskoy
48
, A Dubey
40
, L V Dudko
29
, A Duperrin
41
, S Dutt
20
, M Eads
26
, D Edmunds
33
, J Ellison
49
, V D Elvira
14
, Y Enari
21
, H Evans
50
, A Evdokimov
4
, V N Evdokimov
47
, A Fauré
18
, L Feng
26
, T Ferbel
46
, F Fiedler
34
, F Filthaut
44
45
, W Fisher
33
, H E Fisk
14
, M Fortner
26
, H Fox
23
, J Franc
10
, S Fuess
14
, P H Garbincius
14
, A Garcia-Bellido
46
, J A García-González
36
, V Gavrilov
48
, W Geng
41
33
, C E Gerber
4
, Y Gershtein
51
, G Ginther
14
, O Gogota
11
, G Golovanov
1
, P D Grannis
28
, S Greder
52
, H Greenlee
14
, G Grenier
53
, Ph Gris
13
, J-F Grivaz
54
, A Grohsjean
18
, S Grünendahl
14
, M W Grünewald
55
, T Guillemin
54
, G Gutierrez
14
, P Gutierrez
2
, J Haley
56
, L Han
57
, K Harder
6
, A Harel
46
, J M Hauptman
58
, J Hays
24
, T Head
6
, T Hebbeker
59
, D Hedin
26
, H Hegab
56
, A P Heinson
49
, U Heintz
42
, C Hensel
60
, I Heredia-De La Cruz
36
, K Herner
14
, G Hesketh
6
, M D Hildreth
37
, R Hirosky
15
, T Hoang
5
, J D Hobbs
28
, B Hoeneisen
61
, J Hogan
38
, M Hohlfeld
34
, J L Holzbauer
25
, I Howley
30
, Z Hubacek
10
18
, V Hynek
10
, I Iashvili
62
, Y Ilchenko
43
, R Illingworth
14
, A S Ito
14
, S Jabeen
14
, M Jaffré
54
, A Jayasinghe
2
, M S Jeong
39
, R Jesik
24
, P Jiang
57
, K Johns
63
, E Johnson
33
, M Johnson
14
, A Jonckheere
14
, P Jonsson
24
, J Joshi
49
, A W Jung
14
, A Juste
64
, E Kajfasz
41
, D Karmanov
29
, I Katsanos
27
, M Kaur
20
, R Kehoe
43
, S Kermiche
41
, N Khalatyan
14
, A Khanov
56
, A Kharchilava
62
, Y N Kharzheev
1
, I Kiselevich
48
, J M Kohli
20
, A V Kozelov
47
, J Kraus
25
, A Kumar
62
, A Kupco
65
, T Kurča
53
, V A Kuzmin
29
, S Lammers
50
, P Lebrun
53
, H S Lee
39
, S W Lee
58
, W M Lee
14
, X Lei
63
, J Lellouch
21
, D Li
21
, H Li
15
, L Li
49
, Q Z Li
14
, J K Lim
39
, D Lincoln
14
, J Linnemann
33
, V V Lipaev
47
, R Lipton
14
, H Liu
43
, Y Liu
57
, A Lobodenko
7
, M Lokajicek
65
, R Lopes de Sa
14
, R Luna-Garcia
36
, A L Lyon
14
, A K A Maciel
60
, R Madar
22
, R Magaña-Villalba
36
, S Malik
27
, V L Malyshev
1
, J Mansour
31
, J Martínez-Ortega
36
, R McCarthy
28
, C L McGivern
6
, M M Meijer
44
45
, A Melnitchouk
14
, D Menezes
26
, P G Mercadante
66
, M Merkin
29
, A Meyer
59
, J Meyer
31
, F Miconi
52
, N K Mondal
3
, M Mulhearn
15
, E Nagy
41
, M Narain
42
, R Nayyar
63
, H A Neal
8
, J P Negret
12
, P Neustroev
7
, H T Nguyen
15
, T Nunnemann
67
, J Orduna
42
, N Osman
41
, A Pal
30
, N Parashar
68
, V Parihar
42
, S K Park
39
, R Partridge
42
, N Parua
50
, A Patwa
69
, B Penning
24
, M Perfilov
29
, Y Peters
6
, K Petridis
6
, G Petrillo
46
, P Pétroff
54
, M-A Pleier
69
, V M Podstavkov
14
, A V Popov
47
, M Prewitt
38
, D Price
6
, N Prokopenko
47
, J Qian
8
, A Quadt
31
, B Quinn
25
, P N Ratoff
23
, I Razumov
47
, I Ripp-Baudot
52
, F Rizatdinova
56
, M Rominsky
14
, A Ross
23
, C Royon
65
, P Rubinov
14
, R Ruchti
37
, G Sajot
70
, A Sánchez-Hernández
36
, M P Sanders
67
, A S Santos
60
, G Savage
14
, M Savitskyi
11
, L Sawyer
9
, T Scanlon
24
, R D Schamberger
28
, Y Scheglov
7
, H Schellman
71
72
, M Schott
34
, C Schwanenberger
6
, R Schwienhorst
33
, J Sekaric
17
, H Severini
2
, E Shabalina
31
, V Shary
18
, S Shaw
6
, A A Shchukin
47
, V Simak
10
, P Skubic
2
, P Slattery
46
, G R Snow
27
, J Snow
73
, S Snyder
69
, S Söldner-Rembold
6
, L Sonnenschein
59
, K Soustruznik
74
, J Stark
70
, N Stefaniuk
11
, D A Stoyanova
47
, M Strauss
2
, L Suter
6
, P Svoisky
15
, M Titov
18
, V V Tokmenin
1
, Y-T Tsai
46
, D Tsybychev
28
, B Tuchming
18
, C Tully
75
, L Uvarov
7
, S Uvarov
7
, S Uzunyan
26
, R Van Kooten
50
, W M van Leeuwen
44
, N Varelas
4
, E W Varnes
63
, I A Vasilyev
47
, A Y Verkheev
1
, L S Vertogradov
1
, M Verzocchi
14
, M Vesterinen
6
, D Vilanova
18
, P Vokac
10
, H D Wahl
5
, M H L S Wang
14
, J Warchol
37
, G Watts
32
, M Wayne
37
, J Weichert
34
, L Welty-Rieger
71
, M R J Williams
50
, G W Wilson
17
, M Wobisch
9
, D R Wood
16
, T R Wyatt
6
, Y Xie
14
, R Yamada
14
, S Yang
57
, T Yasuda
14
, Y A Yatsunenko
1
, W Ye
28
, Z Ye
14
, H Yin
14
, K Yip
69
, S W Youn
14
, J M Yu
8
, J Zennamo
62
, T G Zhao
6
, B Zhou
8
, J Zhu
8
, M Zielinski
46
, D Zieminska
50
, L Zivkovic
21
; D0 Collaboration
Affiliations
- 1 Joint Institute for Nuclear Research, Dubna 141980, Russia.
- 2 University of Oklahoma, Norman, Oklahoma 73019, USA.
- 3 Tata Institute of Fundamental Research, Mumbai 400 005, India.
- 4 University of Illinois at Chicago, Chicago, Illinois 60607, USA.
- 5 Florida State University, Tallahassee, Florida 32306, USA.
- 6 The University of Manchester, Manchester M13 9PL, United Kingdom.
- 7 Petersburg Nuclear Physics Institute, St. Petersburg 188300, Russia.
- 8 University of Michigan, Ann Arbor, Michigan 48109, USA.
- 9 Louisiana Tech University, Ruston, Louisiana 71272, USA.
- 10 Czech Technical University in Prague, 116 36 Prague 6, Czech Republic.
- 11 Taras Shevchenko National University of Kyiv, Kiev 01601, Ukraine.
- 12 Universidad de los Andes, Bogotá 111711, Colombia.
- 13 LPC, Université Blaise Pascal, CNRS/IN2P3, Clermont, F-63178 Aubière Cedex, France.
- 14 Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
- 15 University of Virginia, Charlottesville, Virginia 22904, USA.
- 16 Northeastern University, Boston, Massachusetts 02115, USA.
- 17 University of Kansas, Lawrence, Kansas 66045, USA.
- 18 CEA Saclay, Irfu, SPP, F-91191 Gif-Sur-Yvette Cedex, France.
- 19 Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro 20550, Brazil.
- 20 Panjab University, Chandigarh 160014, India.
- 21 LPNHE, Universités Paris VI and VII, CNRS/IN2P3, F-75005 Paris, France.
- 22 Physikalisches Institut, Universität Freiburg, 79085 Freiburg, Germany.
- 23 Lancaster University, Lancaster LA1 4YB, United Kingdom.
- 24 Imperial College London, London SW7 2AZ, United Kingdom.
- 25 University of Mississippi, University, Mississippi 38677, USA.
- 26 Northern Illinois University, DeKalb, Illinois 60115, USA.
- 27 University of Nebraska, Lincoln, Nebraska 68588, USA.
- 28 State University of New York, Stony Brook, New York 11794, USA.
- 29 Moscow State University, Moscow 119991, Russia.
- 30 University of Texas, Arlington, Texas 76019, USA.
- 31 II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany.
- 32 University of Washington, Seattle, Washington 98195, USA.
- 33 Michigan State University, East Lansing, Michigan 48824, USA.
- 34 Institut für Physik, Universität Mainz, 55099 Mainz, Germany.
- 35 Uppsala University, 751 05 Uppsala, Sweden.
- 36 CINVESTAV, Mexico City 07360, Mexico.
- 37 University of Notre Dame, Notre Dame, Indiana 46556, USA.
- 38 Rice University, Houston, Texas 77005, USA.
- 39 Korea Detector Laboratory, Korea University, Seoul 02841, Korea.
- 40 Delhi University, Delhi 110 007, India.
- 41 CPPM, Aix-Marseille Université, CNRS/IN2P3, F-13288 Marseille Cedex 09, France.
- 42 Brown University, Providence, Rhode Island 02912, USA.
- 43 Southern Methodist University, Dallas, Texas 75275, USA.
- 44 Nikhef, Science Park, 1098 XG Amsterdam, The Netherlands.
- 45 Radboud University Nijmegen, 6525 AJ Nijmegen, The Netherlands.
- 46 University of Rochester, Rochester, New York 14627, USA.
- 47 Institute for High Energy Physics, Protvino, Moscow region 142281, Russia.
- 48 Institute for Theoretical and Experimental Physics, Moscow 117259, Russia.
- 49 University of California Riverside, Riverside, California 92521, USA.
- 50 Indiana University, Bloomington, Indiana 47405, USA.
- 51 Rutgers University, Piscataway, New Jersey 08855, USA.
- 52 IPHC, Université de Strasbourg, CNRS/IN2P3, F-67037 Strasbourg, France.
- 53 IPNL, Université Lyon 1, CNRS/IN2P3, F-69622 Villeurbanne Cedex, France and Université de Lyon, F-69361 Lyon CEDEX 07, France.
- 54 LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, F-91898 Orsay Cedex, France.
- 55 University College Dublin, Dublin 4, Ireland.
- 56 Oklahoma State University, Stillwater, Oklahoma 74078, USA.
- 57 University of Science and Technology of China, Hefei 230026, People's Republic of China.
- 58 Iowa State University, Ames, Iowa 50011, USA.
- 59 III. Physikalisches Institut A, RWTH Aachen University, 52056 Aachen, Germany.
- 60 LAFEX, Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro, Rio de Janeiro 22290, Brazil.
- 61 Universidad San Francisco de Quito, Quito, Ecuador.
- 62 State University of New York, Buffalo, New York 14260, USA.
- 63 University of Arizona, Tucson, Arizona 85721, USA.
- 64 Institució Catalana de Recerca i Estudis Avançats (ICREA) and Institut de Física d'Altes Energies (IFAE), 08193 Bellaterra (Barcelona), Spain.
- 65 Institute of Physics, Academy of Sciences of the Czech Republic, 182 21 Prague, Czech Republic.
- 66 Universidade Federal do ABC, Santo André, Sao Paulo 09210, Brazil.
- 67 Ludwig-Maximilians-Universität München, 80539 München, Germany.
- 68 Purdue University Calumet, Hammond, Indiana 46323, USA.
- 69 Brookhaven National Laboratory, Upton, New York 11973, USA.
- 70 LPSC, Université Joseph Fourier Grenoble 1, CNRS/IN2P3, Institut National Polytechnique de Grenoble, F-38026 Grenoble Cedex, France.
- 71 Northwestern University, Evanston, Illinois 60208, USA.
- 72 Oregon State University, Corvallis, Oregon 97331, USA.
- 73 Langston University, Langston, Oklahoma 73050, USA.
- 74 Charles University, Faculty of Mathematics and Physics, Center for Particle Physics, 116 36 Prague 1, Czech Republic.
- 75 Princeton University, Princeton, New Jersey 08544, USA.
- PMID: 27447502
- DOI: 10.1103/PhysRevLett.117.022003
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Abstract
We report evidence for a narrow structure, X(5568), in the decay sequence X(5568)→B_{s}^{0}π^{±}, B_{s}^{0}→J/ψϕ, J/ψ→μ^{+}μ^{-}, ϕ→K^{+}K^{-}. This is evidence for the first instance of a hadronic state with valence quarks of four different flavors. The mass and natural width of this state are measured to be m=5567.8±2.9(stat)_{-1.9}^{+0.9}(syst) MeV/c^{2} and Γ=21.9±6.4(stat)_{-2.5}^{+5.0}(syst) MeV/c^{2}. If the decay is X(5568)→B_{s}^{*}π^{±}→B_{s}^{0}γπ^{±} with an unseen γ, m(X(5568)) will be shifted up by m(B_{s}^{*})-m(B_{s}^{0})∼49 MeV/c^{2}. This measurement is based on 10.4 fb^{-1} of pp[over ¯] collision data at sqrt[s]=1.96 TeV collected by the D0 experiment at the Fermilab Tevatron collider.
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