Absolute photon energy calibration for the BESⅢ EMC

BIAN Jian-Ming; HE Kang-Lin; LI Wei-Guo; HU Tao; FU Cheng-Dong; HUANG Bin; LIU Ying; NING Fei-Peng; SONG Wen-Bo; SUN Sheng-Sen; XU Min; YAN Jie; YAN Liang

doi:10.1088/1674-1137/34/1/013

Chinese Physics C> 2010, Vol. 34> Issue(1) : 72-77 DOI: 10.1088/1674-1137/34/1/013

Absolute photon energy calibration for the BESⅢ EMC

Abstract
HTML
Reference
Related

PDF

Abstract：
The absolute energy calibration with photons from π⁰'s for the BESⅢ EMC is discussed. Using 3 million hadronic events, the preliminary results are
presented. Precision of about 1% in the photon energy measurement is
obtained from crossing check using photons in ψ(2S)→γχ_c1,2(1P).

References

[1]

Preliminary Design Report of The BESID Detector,IHEP-BEPC-SB-13[2] BAI J Z et al.(BES Collaboration).Nucl.Instrum.Methods Phys.Res.,Sect.A,2001,458:627; 1994,344:319[3] Asner D M et al.Physics at BESHI,IHEP-Physics-Report-BESIII-2008-001,arXiv:0809.1869[4] Viehhausser G et al.Nucl.Instrum.Methods A,2001,462:146[5] Oreglia M et al.Phys.Rev.D,1982,25:2559[6] DENG Zi-Yan et al.HEP NP,2006,30(5):371-377 (in Chinese)[7] LI Wei-Dong,LIU Huai-Min et al.The Offline Software for the BESⅢ Experiment.Proceeding of CHEP06.Mumbai,India,2006[8] Bauer A J M.BaBar Note 521.2000[9] Bukin A,Marsiske H.BaBar Note 433.1996[10] LI S,Heltsley B.CBX 02-17[11] PING Rong-Gang.Chin.Phys.C (HEP NP),2008,32(8):599-602[12] Amsler C et al.Physics Letters B,2008,667:1

Access

Get Citation

BIAN Jian-Ming, HE Kang-Lin, LI Wei-Guo, HU Tao, FU Cheng-Dong, HUANG Bin, LIU Ying, NING Fei-Peng, SONG Wen-Bo, SUN Sheng-Sen, XU Min, YAN Jie, YAN Liang and Absolute photon energy calibration for the BESⅢ EMC[J]. Chinese Physics C, 2010, 34(1): 72-77. doi: 10.1088/1674-1137/34/1/013

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 2009-03-02
Revised: 2009-03-26

Article Metric

Article Views(4424)
PDF Downloads(718)
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

Absolute photon energy calibration for the BESⅢ EMC

Corresponding author: BIAN Jian-Ming,

Received Date: 2009-03-02
Accepted Date: 2009-03-26
Available Online: 2010-01-05

Abstract: The absolute energy calibration with photons from π⁰'s for the BESⅢ EMC is discussed. Using 3 million hadronic events, the preliminary results are
presented. Precision of about 1% in the photon energy measurement is
obtained from crossing check using photons in ψ(2S)→γχ_c1,2(1P).