Open Access

Physical Review D

, том 86 , издание 3 , номер публикации 032014

Study ofJ/ψ→pp¯andJ/ψ→nn¯

M. ABLIKIM

M. N. ACHASOV

D. J. Ambrose

F. F. An

Q. An

Z. H. An

J. Z. BAI

Y. BAN

J. Becker

N. Berger

M. Bertani

J. M. Bian

E. Boger

O. Bondarenko

I. Boyko

R. A. Briere

V. Bytev

X Cai

A. Calcaterra

G. F. Cao

J. F. Chang

G. Chelkov

G. Chen

H. S. Chen

J. C. Chen

M L Chen

S J Chen

Y. Chen

Y.-B. Chen

H.-P. Cheng

Y. P. CHU

D Cronin-Hennessy

H. L. Dai

J. P. Dai

D. Dedovich

Z. Y. DENG

A. DENIG

I. Denysenko

M. Destefanis

W. M. Ding

Y. Ding

L. Y. Dong

M. Y. Dong

S. X. DU

J. Fang

S. S. Fang

L. Fava

F. Feldbauer

C. Q. Feng

R. B. Ferroli

C. D. FU

J. L. Fu

Y. Gao

C. Geng

K. Goetzen

W. X. Gong

W. Gradl

M. GRECO

M. H. Gu

Y. T. Gu

Y.H. Guan

A. Q. Guo

L. B. GUO

Y. P. Guo

Y. L. Han

X. Q. Hao

F. A. HARRIS

K. L. HE

M. He

Z.Y. He

T. Held

Y. K. HENG

Z. L. Hou

H. M. HU

J. F. Hu

T. Hu

B. Huang

G. M. Huang

J.‐S. Huang

X.-T. Huang

Y. P. Huang

T. Hussain

C. S. Ji

Q. Ji

X. B. Ji

X. L. Ji

L. K. Jia

L.L. Jiang

X. S. Jiang

J. B. JIAO

Z Jiao

D. P. JIN

S. Jin

F. F. Jing

N. KALANTAR-NAYESTANAKI

M. Kavatsyuk

W. Kuehn

W. Lai

J. S. LANGE

J. K. C. Leung

C. H. Li

Cheng Li

Cui Li

D. M. Li

F. Li

G. Li

H. B. Li

J.-C. Li

K Li

Lei Li

N. B. Li

Q. J. LI

S.‐L. Li

W. D. LI

W. G. LI

X. L. Li

X. N. LI

X. Q. Li

X. R. Li

Z. B. LI

H. Liang

Y. F. Liang

Y T Liang

G. R. Liao

X. T. Liao

B. J. LIU

C. L. Liu

C. X. LIU

C. Y. Liu

F. H. Liu

Fang Liu

Feng Liu

H Liu

H. Liu

H. B. LIU

H. H. Liu

H. M. LIU

H.-W. Liu

J.-P. LIU

K. Y. Liu

Kai Liu

Kun Liu

P. L. Liu

S. B. Liu

X. Liu

X. H. Liu

Y Liu

Y. Liu

Y. B. Liu

Z. A. LIU

Zhiqiang Liu

Zhiqing Liu

H. Loehner

G. R. LU

H. J. Lu

J. G. Lu

Q. W. Lu

X R Lü

X. R. Lu

Y.-p. Lu

C. L. LUO

M. X. Luo

T. Luo

X.‐L. Luo

M. Lv

C. L. Ma

F. C. MA

H. L. MA

Q. M. MA

S. Ma

T. Ma

X. Y. Ma

Y Ma

F. E. Maas

M. Maggiora

Q. A. Malik

H. Mao

Y. J. Mao

Z. P. Mao

J. G. MESSCHENDORP

J. Min

T. J. Min

R E Mitchell

X. H. Mo

C. Morales Morales

C. Motzko

N. Yu. MUCHNOI

Y. Nefedov

C. Nicholson

I. B. NIKOLAEV

Z. Ning

S. L. Olsen

Q. Ouyang

S. Pacetti

J. W. Park

M. Pelizaeus

K. Peters

J. L. PING

R. G. PING

R. Poling

E. Prencipe

C. S. J. Pun

M. Qi

S. Qian

C F. Qiao

X. S. Qin

Y. Qin

Z. H. Qin

J. F. QIU

K. H. Rashid

G. RONG

X. D. RUAN

A. SARANTSEV

J. Schulze

M. Shao

C. P. Shen

X. Y. SHEN

H. Y. SHENG

M. R. Shepherd

X. Y. Song

S. Spataro

B. SPRUCK

D. H. Sun

G. X. Sun

J. F. SUN

S‐S. Sun

X. D. Sun

Y. J. Sun

Y. Z. SUN

Z. J. Sun

Z. T. Sun

C. J. Tang

X. Tang

E.H. Thorndike

H. L. Tian

D. TOTH

M. Ullrich

G. S. Varner

B. Wang

B. Q. Wang

K. Wang

L. L. WANG

L. S. Wang

M Wang

P. Wang

P. L. WANG

Q. Wang

Q. J. Wang

S. G. WANG

X. F. Wang

X. L. Wang

Y. D. Wang

Y. F. Wang

Y. Q. Wang

Z Wang

Z. Wang

Z G Wang

Z. Y. Wang

D. H. Wei

P. Weidenkaff

Q. G. Wen

S. P. Wen

M Werner

U. WIEDNER

L.H. Wu

N. Wu

S. X. Wu

Weinan Wu

W. Wu

Z. Wu

L. G. Xia

Z. J. Xiao

Y. G. Xie

Q. L. Xiu

G. F. XU

G.-M. Xu

H. Xu

Q. J. XU

X. P. XU

Y. Xu

Z. R. Xu

F. Xue

Z. Xue

L. Yan

W. B. YAN

Y. H. Yan

H. X. YANG

T. YANG

Y. Yang

Y. X. Yang

H Ye

M. Ye

M. H. YE

B.X. YU

C. X. YU

J. S. Yu

S.P. Yu

C. Z. Yuan

W.-L. Yuan

Y. Yuan

A. A. Zafar

A. Zallo

Y. Zeng

B. X. ZHANG

B. Y. ZHANG

C. C. Zhang

D. H. ZHANG

H. H. ZHANG

H. Y. Zhang

J. Zhang

J. G. ZHANG

J. Q. Zhang

J. W. Zhang

J Y Zhang

J. Z. Zhang

L. Zhang

S H Zhang

T. R. Zhang

X J. Zhang

X. Y. Zhang

Y Zhang

Y. Zhang

Y. H. Zhang

Y. S. Zhang

Z. P. Zhang

Z. Y. Zhang

G. Zhao

H. S. Zhao

J. W. ZHAO

K. X. Zhao

Lei Zhao

Ling Zhao

M. G. ZHAO

Q. Zhao

S.J. Zhao

T. C. Zhao

X. H. Zhao

Y. B. Zhao

Z. G. ZHAO

A. Zhemchugov

B. Zheng

J. P. Zheng

Y. H. Zheng

Z. P. ZHENG

B. ZHONG

J. Zhong

L. Zhou

X. K. Zhou

X.-R. ZHOU

C. Zhu

K. Zhu

K. J. Zhu

S.-H. Zhu

X L Zhu

X. W. ZHU

Y. M. Zhu

Y. S. Zhu

Z. A. ZHU

J. Zhuang

B. S. ZOU

J. H. Zou

J. X. ZUO

Тип публикации: Journal Article

Дата публикации: 2012-08-31

American Physical Society (APS)

Physical Review D

scimago Q1

wos Q1

БС1

SJR: 1.458

CiteScore: 9.0

Impact factor: 5.3

ISSN: 24700010, 24700029, 05562821, 10894918, 15507998, 15502368

DOI: 10.1103/PhysRevD.86.032014

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Nuclear and High Energy Physics

Краткое описание

The decays J/psi -> p (p) over bar and J/psi -> n (n) over bar have been investigated with a sample of 225.2 x 10(6) J/psi events collected with the BESIII detector at the BEPCII e(+)e(-) collider. The branching fractions are determined to be B(J/psi -> p (p) over bar) = (2.112 +/- 0.004 +/- 0.031 x 10(-3) and B(J/psi -> n (n) over bar) =(2.07 +/- 0.01 +/- 0.17) x 10(-3). Distributions of the angle theta between the proton or antineutron and the beam direction are well described by the form 1 + alpha cos(2)theta, and we find alpha = 0.595 +/- 0.012 +/- 0.015 for J/psi -> p (p) over bar and alpha = 0.50 +/- 0.04 +/- 0.21 for J/psi -> n (n) over bar. Our branching- fraction results suggest a large phase angle between the strong and electromagnetic amplitudes describing the J/psi -> N (N) over bar decay.

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ABLIKIM M. et al. Study ofJ/ψ→pp¯andJ/ψ→nn¯ // Physical Review D. 2012. Vol. 86. No. 3. 032014

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ABLIKIM M. et al. Study ofJ/ψ→pp¯andJ/ψ→nn¯ // Physical Review D. 2012. Vol. 86. No. 3. 032014

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@article{2012_ABLIKIM,

author = {M. ABLIKIM and M. N. ACHASOV and D. J. Ambrose and F. F. An and Q. An and Z. H. An and J. Z. BAI and Y. BAN and J. Becker and N. Berger and M. Bertani and J. M. Bian and E. Boger and O. Bondarenko and I. Boyko and R. A. Briere and V. Bytev and X Cai and A. Calcaterra and G. F. Cao and J. F. Chang and G. Chelkov and G. Chen and H. S. Chen and J. C. Chen and M L Chen and S J Chen and Y. Chen and Y.-B. Chen and H.-P. Cheng and Y. P. CHU and D Cronin-Hennessy and H. L. Dai and J. P. Dai and D. Dedovich and Z. Y. DENG and A. DENIG and I. Denysenko and M. Destefanis and W. M. Ding and Y. Ding and L. Y. Dong and M. Y. Dong and S. X. DU and J. Fang and S. S. Fang and L. Fava and F. Feldbauer and C. Q. Feng and R. B. Ferroli and others},

title = {Study ofJ/ψ→pp¯andJ/ψ→nn¯},

journal = {Physical Review D},

year = {2012},

volume = {86},

publisher = {American Physical Society (APS)},

month = {aug},

url = {https://link.aps.org/doi/10.1103/PhysRevD.86.032014},

number = {3},

pages = {032014},

doi = {10.1103/PhysRevD.86.032014}

}

Издатель

American Physical Society (APS)

Журнал

Physical Review D

scimago Q1

wos Q1

БС1

SJR

1.458

CiteScore

9.0

Impact factor

5.3

ISSN

24700010 (Print)

24700029 (Electronic)

05562821 (Print)

10894918 (Electronic)

15507998 (Print)

15502368 (Electronic)

Профили

Жемчугов Алексей Сергеевич