Measurements of the γγ*→π0 and γγ*→ηc transition form factors at BABAR

V. P. Druzhinin

doi:10.1088/1674-1137/34/6/033

Chinese Physics C> 2010, Vol. 34> Issue(6) : 816-821 DOI: 10.1088/1674-1137/34/6/033

Measurements of the γγ^→π⁰ and γγ^→η_c transition form factors at BABAR

V. P. Druzhinin ^,

Budker Institute of Nuclear Physics, Novosibirsk 630090, Russia

Abstract
HTML
Reference
Related

PDF

Abstract：
We present measurements of the γγ^*→π⁰ transition form factor for the momentum transfer range Q²=4—40 GeV² and the γγ^*→η_c transition form factor for the range Q²=2—50 GeV². The current status of measurements of the meson-photon transition form factors for the η and η′ mesons is discussed. The results of the measurement of the η_c mass, total and two-photon widths are also presented.

[1]	Liang-Liang Liu , Chao Wang , Xin-Heng Guo . Electromagnetic form factors of Λ_c in the space-like momentum region. Chinese Physics C, 2018, 42(10): 103106. doi: 10.1088/1674-1137/42/10/103106
[2]	Guo-Liang Yu , Zhi-Gang Wang , Zhen-Yu Li . Analysis of the strong coupling form factors of ∑_bNB and∑_cND in QCD sum rules. Chinese Physics C, 2017, 41(8): 083104. doi: 10.1088/1674-1137/41/8/083104
[3]	Fangcheng He , Ping Wang . Dirac and Pauli form factors of nucleons using nonlocal chiral effective Lagrangian. Chinese Physics C, 2017, 41(11): 114106. doi: 10.1088/1674-1137/41/11/114106
[4]	Jian Liu , Jinjuan Zhang , Chang Xu , Zhongzhou Ren . Nuclear longitudinal form factors for axially deformed charge distributions expanded by nonorthogonal basis functions. Chinese Physics C, 2017, 41(5): 054101. doi: 10.1088/1674-1137/41/5/054101
[5]	Han Guo , Zi-Ping Zhang . A method for measuring D^* electromagnetic form factors in e⁺ e^- annihilation. Chinese Physics C, 2017, 41(9): 093001. doi: 10.1088/1674-1137/41/9/093001
[6]	Bao-dong Sun , Yu-bing Dong . Deuteron electromagnetic form factors with the light-front approach. Chinese Physics C, 2017, 41(1): 013102. doi: 10.1088/1674-1137/41/1/013102
[7]	WU Qing , ZHOU Li-Juan , XIANG Qian-Fei , MA Wei-Xing . Multiquark cluster form factors in the relativistic harmonic oscillator model. Chinese Physics C, 2015, 39(1): 013102. doi: 10.1088/1674-1137/39/1/013102
[8]	LIANG Cui-Ying , DONG Yu-Bing . Deuteron form factors in a phenomenological approach. Chinese Physics C, 2015, 39(10): 104104. doi: 10.1088/1674-1137/39/10/104104
[9]	LIANG Cui-Ying , DONG Yu-Bing , LIANG Wei-Hong . Deuteron electromagnetic form factors in transverse plane with a phenomenological Lagrangian approach. Chinese Physics C, 2014, 38(7): 074104. doi: 10.1088/1674-1137/38/7/074104
[10]	WU Xing-Gang , HUANG Tao , ZHONG Tao . Information on the pion distribution amplitude from the pion-photon transition form factor with the Belle and BABAR data. Chinese Physics C, 2013, 37(6): 063105. doi: 10.1088/1674-1137/37/6/063105
[11]	JIN Dan , YANG Ya-Dong . Space- and time-like kaon electromagnetic form factors in perturbative QCD. Chinese Physics C, 2012, 36(10): 941-946. doi: 10.1088/1674-1137/36/10/004
[12]	DONG Yu-Bing . An estimate of two-photon exchange effect on deuteron electromagnetic form factors. Chinese Physics C, 2010, 34(9): 1346-1349. doi: 10.1088/1674-1137/34/9/039
[13]	SHEN Cheng-Ping , YUAN Chang-Zheng . Combined fit to BABAR and Belle Data on e⁺e^－→φπ⁺π^－ and φf₀(980). Chinese Physics C, 2010, 34(8): 1045-1051. doi: 10.1088/1674-1137/34/8/002
[14]	B. Meadows (representing the BABAR collaboration) . D⁰D⁰ mixing and other recent charm results from BABAR. Chinese Physics C, 2010, 34(6): 780-787. doi: 10.1088/1674-1137/34/6/028
[15]	S. Pacetti¹ , 2 . Nucleon form factors: the space-time connection. Chinese Physics C, 2010, 34(6): 874-876.
[16]	E. Tomasi-Gustafsson (on behalf of the PANDA collaboration) . Form factor measurements with PANDA at FAIR. Chinese Physics C, 2010, 34(6): 863-868. doi: 10.1088/1674-1137/34/6/041
[17]	Baldini Ferroli . BABAR measurement of baryon time-like form factors via initial state radiation. Chinese Physics C, 2010, 34(6): 860-862. doi: 10.1088/1674-1137/34/6/040
[18]	A. J. Buchmann . Excited nucleon electromagnetic form factors from broken spin-flavor symmetry. Chinese Physics C, 2009, 33(12): 1257-1260. doi: 10.1088/1674-1137/33/12/034
[19]	R. W. Gothe . Nucleon transition form factors at JLab: status and outlook. Chinese Physics C, 2009, 33(12): 1216-1221. doi: 10.1088/1674-1137/33/12/026
[20]	SONG Xiao-Tong , DAI You-Shan . ELECTROMAGNETIC FORM FACTORS OF (0—1/2) ELECTROMAGNETIC BOUND SYSTEM. Chinese Physics C, 1985, 9(3): 371-376.

Access

Get Citation

V. P. Druzhinin. Measurements of the γγ^*→π⁰ and γγ^*→η_c transition form factors at BABAR[J]. Chinese Physics C, 2010, 34(6): 816-821. doi: 10.1088/1674-1137/34/6/033

V. P. Druzhinin. Measurements of the γγ^*→π⁰ and γγ^*→η_c transition form factors at BABAR[J]. Chinese Physics C, 2010, 34(6): 816-821. doi: 10.1088/1674-1137/34/6/033 shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2010-01-26
Revised: 1900-01-01

Article Metric

Article Views(2348)
PDF Downloads(435)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Measurements of the γγ^→π⁰ and γγ^→η_c transition form factors at BABAR

V. P. Druzhinin ^,

Corresponding author: V. P. Druzhinin,

Budker Institute of Nuclear Physics, Novosibirsk 630090, Russia

Received Date: 2010-01-26
Accepted Date: 1900-01-01
Available Online: 2010-06-05

Abstract:

We present measurements of the γγ^*→π⁰ transition form factor for the momentum transfer range Q²=4—40 GeV² and the γγ^*→η_c transition form factor for the range Q²=2—50 GeV². The current status of measurements of the meson-photon transition form factors for the η and η′ mesons is discussed. The results of the measurement of the η_c mass, total and two-photon widths are also presented.