Luminosity determination in vs =7TeV proton Collisions Using the LHCf Front Counter at LHC

K. Taki; O. Adriani; L. Bonechi; M. Bongi; G. Castellini; R. D'alessandro; K. Fukatsu; M. Haguenauer; Y. Itow; K. Kasahara; K. Kawade; D. Macina; T. Mase; K. Masuda; H. Menjo; G. Mitsuka; Y. Muraki; K. Noda; P. Papini; A. L. Perrot; S. Ricciarini; T. Sako; Y. Shimizu; K. Suzuki; T. Suzuki; T. Tamura; Shoji Torii; A. Tricomi; W. C. Turner

doi:10.7529/ICRC2011/V05/0374

Luminosity determination in vs =7TeV proton Collisions Using the LHCf Front Counter at LHC

K. Taki, O. Adriani, L. Bonechi, M. Bongi, G. Castellini, R. D'alessandro, K. Fukatsu, M. Haguenauer, Y. Itow, K. Kasahara, K. Kawade, D. Macina, T. Mase, K. Masuda, H. Menjo, G. Mitsuka, Y. Muraki, K. Noda, P. Papini, A. L. PerrotS. Ricciarini, T. Sako, Y. Shimizu, K. Suzuki, T. Suzuki, T. Tamura, Shoji Torii, A. Tricomi, W. C. Turner

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

The LHCf experiment is dedicated to measure the particles emitted to forward region of proton-proton collisions at LHC. The physics goal is to afford the data for the calibration and improvement of the hadron interaction models. In this experiment, the luminosity that is necessary parameter to normalize the data has been determined with the counting rate of a detector called Front Counter and the conversion factor from the rate to the luminosity. During the LHCf physics operation at vs =7 TeV in 2010, the two calibrations of this conversion factor were carried out in 26th of April and 9th of May. This calibration is named vdM scan that is invented by S. van der Meer in 1969. The luminosity during the vdM scans were determined within 5%and 4%accuracy for April and May scan respectively. Finally, because the conversion factor is estimated within 5.5% accuracy, the luminosity determination in the LHCf experiment is also 5.5% accuracy.

本文言語	English
ホスト出版物のタイトル	Proceedings of the 32nd International Cosmic Ray Conference, ICRC 2011
出版社	Institute of High Energy Physics
ページ	23-26
ページ数	4
巻	5
DOI	https://doi.org/10.7529/ICRC2011/V05/0374
出版ステータス	Published - 2011
イベント	32nd International Cosmic Ray Conference, ICRC 2011 - Beijing 継続期間: 2011 8月 11 → 2011 8月 18

Other

Other	32nd International Cosmic Ray Conference, ICRC 2011
City	Beijing
Period	11/8/11 → 11/8/18

ASJC Scopus subject areas

核物理学および高エネルギー物理学

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10.7529/ICRC2011/V05/0374

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Taki, K., Adriani, O., Bonechi, L., Bongi, M., Castellini, G., D'alessandro, R., Fukatsu, K., Haguenauer, M., Itow, Y., Kasahara, K., Kawade, K., Macina, D., Mase, T., Masuda, K., Menjo, H., Mitsuka, G., Muraki, Y., Noda, K., Papini, P., ... Turner, W. C. (2011). Luminosity determination in vs =7TeV proton Collisions Using the LHCf Front Counter at LHC. In Proceedings of the 32nd International Cosmic Ray Conference, ICRC 2011 (Vol. 5, pp. 23-26). Institute of High Energy Physics. https://doi.org/10.7529/ICRC2011/V05/0374

Taki, K, Adriani, O, Bonechi, L, Bongi, M, Castellini, G, D'alessandro, R, Fukatsu, K, Haguenauer, M, Itow, Y, Kasahara, K, Kawade, K, Macina, D, Mase, T, Masuda, K, Menjo, H, Mitsuka, G, Muraki, Y, Noda, K, Papini, P, Perrot, AL, Ricciarini, S, Sako, T, Shimizu, Y, Suzuki, K, Suzuki, T, Tamura, T, Torii, S, Tricomi, A & Turner, WC 2011, Luminosity determination in vs =7TeV proton Collisions Using the LHCf Front Counter at LHC. in Proceedings of the 32nd International Cosmic Ray Conference, ICRC 2011. vol. 5, Institute of High Energy Physics, pp. 23-26, 32nd International Cosmic Ray Conference, ICRC 2011, Beijing, 11/8/11. https://doi.org/10.7529/ICRC2011/V05/0374

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abstract = "The LHCf experiment is dedicated to measure the particles emitted to forward region of proton-proton collisions at LHC. The physics goal is to afford the data for the calibration and improvement of the hadron interaction models. In this experiment, the luminosity that is necessary parameter to normalize the data has been determined with the counting rate of a detector called Front Counter and the conversion factor from the rate to the luminosity. During the LHCf physics operation at vs =7 TeV in 2010, the two calibrations of this conversion factor were carried out in 26th of April and 9th of May. This calibration is named vdM scan that is invented by S. van der Meer in 1969. The luminosity during the vdM scans were determined within 5%and 4%accuracy for April and May scan respectively. Finally, because the conversion factor is estimated within 5.5% accuracy, the luminosity determination in the LHCf experiment is also 5.5% accuracy.",

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AU - Fukatsu, K.

AU - Haguenauer, M.

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AU - Sako, T.

AU - Shimizu, Y.

AU - Suzuki, K.

AU - Suzuki, T.

AU - Tamura, T.

AU - Torii, Shoji

AU - Tricomi, A.

AU - Turner, W. C.

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AB - The LHCf experiment is dedicated to measure the particles emitted to forward region of proton-proton collisions at LHC. The physics goal is to afford the data for the calibration and improvement of the hadron interaction models. In this experiment, the luminosity that is necessary parameter to normalize the data has been determined with the counting rate of a detector called Front Counter and the conversion factor from the rate to the luminosity. During the LHCf physics operation at vs =7 TeV in 2010, the two calibrations of this conversion factor were carried out in 26th of April and 9th of May. This calibration is named vdM scan that is invented by S. van der Meer in 1969. The luminosity during the vdM scans were determined within 5%and 4%accuracy for April and May scan respectively. Finally, because the conversion factor is estimated within 5.5% accuracy, the luminosity determination in the LHCf experiment is also 5.5% accuracy.

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Luminosity determination in vs =7TeV proton Collisions Using the LHCf Front Counter at LHC

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