Measurement of the integrated luminosities of the data taken by BESⅢ at <I>s</I>=3.650 and 3.773 GeV

<SUP>M. Ablikim et al. (BESⅢ collaboration)</SUP>

doi:10.1088/1674-1137/37/12/123001

Chinese Physics C> 2013, Vol. 37> Issue(12) : 123001 DOI: 10.1088/1674-1137/37/12/123001

Measurement of the integrated luminosities of the data taken by BESⅢ at s=3.650 and 3.773 GeV

^{M. Ablikim et al. (BESⅢ collaboration)}

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;4 Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA;8 G. I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia;a Also at the Novosibirsk State University, Novosibirsk, 630090, Russia

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Abstract：
Data sets were collected with the BESⅢ detector at the BEPCⅡ collider at the center-of-mass energy of √s=3.650 GeV during May 2009 and at √s=3.773 GeV from January 2010 to May 2011. By analyzing the large angle Bhabha scattering events, the integrated luminosities of the two data sets are measured to be (44.49±0.02±0.44) pb^-1 and (2916.94±0.18±29.17) pb^-1, respectively, where the first error is statistical and the second error is systematic.

References

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Ablikim M et al. (BESⅢ collaboration). Nucl. Instrum. Methods A, 2004, 614: 345[2] BAI J Z et al. (BESⅢ collaboration). Nucl. Instrum. Methods A, 1994. 344: 319; 2001, 458: 627[3] Calame C M C, Montagna G, Nicrosini O, Piccinini F. Nucl. Phys. Proc. Suppl., 2004, 131: 48-55[4] Berger N, ZHU Kai et al. Chinese Physics C (HEP NP), 2010, 34(12): 1779-1784

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^{M. Ablikim et al. (BESⅢ collaboration)}. Measurement of the integrated luminosities of the data taken by BESⅢ at s=3.650 and 3.773 GeV[J]. Chinese Physics C, 2013, 37(12): 123001. doi: 10.1088/1674-1137/37/12/123001

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Received: 2013-07-09
Revised: 2013-08-26

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沈阳化工大学材料科学与工程学院沈阳 110142

Measurement of the integrated luminosities of the data taken by BESⅢ at s=3.650 and 3.773 GeV

^{M. Ablikim et al. (BESⅢ collaboration)}

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;4 Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA;8 G. I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia;a Also at the Novosibirsk State University, Novosibirsk, 630090, Russia

Received Date: 2013-07-09
Accepted Date: 2013-08-26
Available Online: 2013-12-05

Abstract: Data sets were collected with the BESⅢ detector at the BEPCⅡ collider at the center-of-mass energy of √s=3.650 GeV during May 2009 and at √s=3.773 GeV from January 2010 to May 2011. By analyzing the large angle Bhabha scattering events, the integrated luminosities of the two data sets are measured to be (44.49±0.02±0.44) pb^-1 and (2916.94±0.18±29.17) pb^-1, respectively, where the first error is statistical and the second error is systematic.