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Title: Study of π 0 pair production in single-tag two-photon collisions

Abstract

We report a measurement of the differential cross section of π 0 pair production in single-tag two-photon collisions, γ*γ→π 0π 0, in e +e - scattering. The cross section is measured for Q 2 up to 30 GeV 2, where Q 2 is the negative of the invariant mass squared of the tagged photon, in the kinematic range 0.5 GeV < W < 2.1 GeV and |cosθ*| < 1.0 for the total energy and pion scattering angle, respectively, in the γ*γ center-of-mass system. The results are based on a data sample of 759 fb -1 collected with the Belle detector at the KEKB asymmetric-energy e +e - collider. The transition form factor of the f 0(980) and that of the f 2(1270) with the helicity-0, -1, and -2 components separately are measured for the first time and are compared with theoretical calculations.

Authors:
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Publication Date:
Research Org.:
Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States); Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
The Belle Collaboration
OSTI Identifier:
1594402
Alternate Identifier(s):
OSTI ID: 1238398
Report Number(s):
PNNL-SA-115018
Journal ID: ISSN 2470-0010; PRVDAQ
Grant/Contract Number:  
SC0009973; AC05-76RL01830
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 93; Journal Issue: 3; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Masuda, M., Uehara, S., Watanabe, Y., Nakazawa, H., Abdesselam, A., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Babu, V., Badhrees, I., Bakich, A. M., Barberio, E., Behera, P., Bhuyan, B., Biswal, J., Bobrov, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Dingfelder, J., Doležal, Z., Drásal, Z., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Haba, J., Hayasaka, K., Hayashii, H., He, X. H., Hou, W. -S., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, Y., Jaegle, I., Joffe, D., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Kawasaki, T., Kim, D. Y., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, Y. J., Ko, B. R., Korpar, S., Križan, P., Krokovny, P., Kumita, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, D. H., Lee, I. S., Li, C., Li, L., Li, Y., Libby, J., Liventsev, D., Lukin, P., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Mohanty, S., Moll, A., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Ogawa, S., Pakhlov, P., Pakhlova, G., Pal, B., Park, C. W., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Rauch, J., Ribežl, E., Ritter, M., Rostomyan, A., Sandilya, S., Santelj, L., Sanuki, T., Sato, Y., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Sokolov, A., Solovieva, E., Starič, M., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Uglov, T., Unno, Y., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Williams, K. M., Won, E., Yamaoka, J., Yamashita, Y., Yashchenko, S., Ye, H., Yusa, Y., Zhang, C. C., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A. Study of π0 pair production in single-tag two-photon collisions. United States: N. p., 2016. Web. doi:10.1103/PhysRevD.93.032003.
Masuda, M., Uehara, S., Watanabe, Y., Nakazawa, H., Abdesselam, A., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Babu, V., Badhrees, I., Bakich, A. M., Barberio, E., Behera, P., Bhuyan, B., Biswal, J., Bobrov, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Dingfelder, J., Doležal, Z., Drásal, Z., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Haba, J., Hayasaka, K., Hayashii, H., He, X. H., Hou, W. -S., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, Y., Jaegle, I., Joffe, D., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Kawasaki, T., Kim, D. Y., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, Y. J., Ko, B. R., Korpar, S., Križan, P., Krokovny, P., Kumita, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, D. H., Lee, I. S., Li, C., Li, L., Li, Y., Libby, J., Liventsev, D., Lukin, P., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Mohanty, S., Moll, A., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Ogawa, S., Pakhlov, P., Pakhlova, G., Pal, B., Park, C. W., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Rauch, J., Ribežl, E., Ritter, M., Rostomyan, A., Sandilya, S., Santelj, L., Sanuki, T., Sato, Y., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Sokolov, A., Solovieva, E., Starič, M., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Uglov, T., Unno, Y., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Williams, K. M., Won, E., Yamaoka, J., Yamashita, Y., Yashchenko, S., Ye, H., Yusa, Y., Zhang, C. C., Zhang, Z. P., Zhilich, V., Zhulanov, V., & Zupanc, A. Study of π0 pair production in single-tag two-photon collisions. United States. doi:10.1103/PhysRevD.93.032003.
Masuda, M., Uehara, S., Watanabe, Y., Nakazawa, H., Abdesselam, A., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., Aushev, T., Babu, V., Badhrees, I., Bakich, A. M., Barberio, E., Behera, P., Bhuyan, B., Biswal, J., Bobrov, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., Chekelian, V., Chen, A., Cheon, B. G., Chilikin, K., Chistov, R., Cho, K., Chobanova, V., Choi, S. -K., Choi, Y., Cinabro, D., Dalseno, J., Danilov, M., Dash, N., Dingfelder, J., Doležal, Z., Drásal, Z., Dutta, D., Eidelman, S., Epifanov, D., Farhat, H., Fast, J. E., Ferber, T., Fulsom, B. G., Gaur, V., Gabyshev, N., Garmash, A., Gillard, R., Giordano, F., Glattauer, R., Goh, Y. M., Goldenzweig, P., Golob, B., Haba, J., Hayasaka, K., Hayashii, H., He, X. H., Hou, W. -S., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, Y., Jaegle, I., Joffe, D., Joo, K. K., Julius, T., Kang, K. H., Kato, E., Kawasaki, T., Kim, D. Y., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, S. H., Kim, Y. J., Ko, B. R., Korpar, S., Križan, P., Krokovny, P., Kumita, T., Kuzmin, A., Kwon, Y. -J., Lange, J. S., Lee, D. H., Lee, I. S., Li, C., Li, L., Li, Y., Libby, J., Liventsev, D., Lukin, P., Matvienko, D., Miyabayashi, K., Miyata, H., Mizuk, R., Mohanty, G. B., Mohanty, S., Moll, A., Moon, H. K., Mori, T., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Natkaniec, Z., Nayak, M., Nisar, N. K., Nishida, S., Ogawa, S., Pakhlov, P., Pakhlova, G., Pal, B., Park, C. W., Park, H., Pedlar, T. K., Pestotnik, R., Petrič, M., Piilonen, L. E., Rauch, J., Ribežl, E., Ritter, M., Rostomyan, A., Sandilya, S., Santelj, L., Sanuki, T., Sato, Y., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Seon, O., Sevior, M. E., Shebalin, V., Shen, C. P., Shibata, T. -A., Shiu, J. -G., Shwartz, B., Simon, F., Sohn, Y. -S., Sokolov, A., Solovieva, E., Starič, M., Sumihama, M., Sumiyoshi, T., Tamponi, U., Tanida, K., Teramoto, Y., Uglov, T., Unno, Y., Uno, S., Van Hulse, C., Vanhoefer, P., Varner, G., Vinokurova, A., Vorobyev, V., Vossen, A., Wagner, M. N., Wang, C. H., Wang, M. -Z., Wang, P., Williams, K. M., Won, E., Yamaoka, J., Yamashita, Y., Yashchenko, S., Ye, H., Yusa, Y., Zhang, C. C., Zhang, Z. P., Zhilich, V., Zhulanov, V., and Zupanc, A. Thu . "Study of π0 pair production in single-tag two-photon collisions". United States. doi:10.1103/PhysRevD.93.032003. https://www.osti.gov/servlets/purl/1594402.
@article{osti_1594402,
title = {Study of π0 pair production in single-tag two-photon collisions},
author = {Masuda, M. and Uehara, S. and Watanabe, Y. and Nakazawa, H. and Abdesselam, A. and Adachi, I. and Aihara, H. and Al Said, S. and Asner, D. M. and Atmacan, H. and Aulchenko, V. and Aushev, T. and Babu, V. and Badhrees, I. and Bakich, A. M. and Barberio, E. and Behera, P. and Bhuyan, B. and Biswal, J. and Bobrov, A. and Bonvicini, G. and Bozek, A. and Bračko, M. and Browder, T. E. and Červenkov, D. and Chekelian, V. and Chen, A. and Cheon, B. G. and Chilikin, K. and Chistov, R. and Cho, K. and Chobanova, V. and Choi, S. -K. and Choi, Y. and Cinabro, D. and Dalseno, J. and Danilov, M. and Dash, N. and Dingfelder, J. and Doležal, Z. and Drásal, Z. and Dutta, D. and Eidelman, S. and Epifanov, D. and Farhat, H. and Fast, J. E. and Ferber, T. and Fulsom, B. G. and Gaur, V. and Gabyshev, N. and Garmash, A. and Gillard, R. and Giordano, F. and Glattauer, R. and Goh, Y. M. and Goldenzweig, P. and Golob, B. and Haba, J. and Hayasaka, K. and Hayashii, H. and He, X. H. and Hou, W. -S. and Iijima, T. and Inami, K. and Ishikawa, A. and Itoh, R. and Iwasaki, Y. and Jaegle, I. and Joffe, D. and Joo, K. K. and Julius, T. and Kang, K. H. and Kato, E. and Kawasaki, T. and Kim, D. Y. and Kim, J. B. and Kim, J. H. and Kim, K. T. and Kim, M. J. and Kim, S. H. and Kim, Y. J. and Ko, B. R. and Korpar, S. and Križan, P. and Krokovny, P. and Kumita, T. and Kuzmin, A. and Kwon, Y. -J. and Lange, J. S. and Lee, D. H. and Lee, I. S. and Li, C. and Li, L. and Li, Y. and Libby, J. and Liventsev, D. and Lukin, P. and Matvienko, D. and Miyabayashi, K. and Miyata, H. and Mizuk, R. and Mohanty, G. B. and Mohanty, S. and Moll, A. and Moon, H. K. and Mori, T. and Mussa, R. and Nakano, E. and Nakao, M. and Nanut, T. and Natkaniec, Z. and Nayak, M. and Nisar, N. K. and Nishida, S. and Ogawa, S. and Pakhlov, P. and Pakhlova, G. and Pal, B. and Park, C. W. and Park, H. and Pedlar, T. K. and Pestotnik, R. and Petrič, M. and Piilonen, L. E. and Rauch, J. and Ribežl, E. and Ritter, M. and Rostomyan, A. and Sandilya, S. and Santelj, L. and Sanuki, T. and Sato, Y. and Savinov, V. and Schneider, O. and Schnell, G. and Schwanda, C. and Seino, Y. and Senyo, K. and Seon, O. and Sevior, M. E. and Shebalin, V. and Shen, C. P. and Shibata, T. -A. and Shiu, J. -G. and Shwartz, B. and Simon, F. and Sohn, Y. -S. and Sokolov, A. and Solovieva, E. and Starič, M. and Sumihama, M. and Sumiyoshi, T. and Tamponi, U. and Tanida, K. and Teramoto, Y. and Uglov, T. and Unno, Y. and Uno, S. and Van Hulse, C. and Vanhoefer, P. and Varner, G. and Vinokurova, A. and Vorobyev, V. and Vossen, A. and Wagner, M. N. and Wang, C. H. and Wang, M. -Z. and Wang, P. and Williams, K. M. and Won, E. and Yamaoka, J. and Yamashita, Y. and Yashchenko, S. and Ye, H. and Yusa, Y. and Zhang, C. C. and Zhang, Z. P. and Zhilich, V. and Zhulanov, V. and Zupanc, A.},
abstractNote = {We report a measurement of the differential cross section of π0 pair production in single-tag two-photon collisions, γ*γ→π0π0, in e+e- scattering. The cross section is measured for Q2 up to 30 GeV2, where Q2 is the negative of the invariant mass squared of the tagged photon, in the kinematic range 0.5 GeV < W < 2.1 GeV and |cosθ*| < 1.0 for the total energy and pion scattering angle, respectively, in the γ*γ center-of-mass system. The results are based on a data sample of 759 fb-1 collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. The transition form factor of the f0(980) and that of the f2(1270) with the helicity-0, -1, and -2 components separately are measured for the first time and are compared with theoretical calculations.},
doi = {10.1103/PhysRevD.93.032003},
journal = {Physical Review D},
number = 3,
volume = 93,
place = {United States},
year = {2016},
month = {2}
}

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