Measurement of the γγ → π+π- and γγ → K+K- processes at energies of 2.4-4.1 GeV

H. Nakazawa, S. Uehara, K. Abe, K. Abe, H. Aihara, M. Akatsu, Y. Asano, V. Aulchenko, T. Aushev, S. Bahinipati, A. M. Bakich, Y. Ban, S. Banerjee, I. Bedny, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, A. Bozek, M. Bračko & 132 others J. Brodzicka, A. Chen, B. G. Cheon, R. Chistov, Y. Choi, Y. K. Choi, A. Chuvikov, J. Dalseno, M. Danilov, M. Dash, A. Drutskoy, S. Eidelman, Y. Enari, D. Epifanov, S. Fratina, N. Gabyshev, A. Garmash, T. Gershon, G. Gokhroo, K. Hayasaka, H. Hayashii, Y. Hoshi, S. Hou, W. S. Hou, T. Iijima, A. Imoto, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, J. H. Kang, J. S. Kang, S. U. Kataoka, N. Katayama, H. Kawai, T. Kawasaki, H. R. Khan, H. Kichimi, H. J. Kim, J. H. Kim, S. K. Kim, S. M. Kim, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, C. C. Kuo, A. Kuzmin, Y. J. Kwon, G. Leder, S. E. Lee, T. Lesiak, J. Li, S. W. Lin, D. Liventsev, G. Majumder, F. Mandl, T. Matsumoto, A. Matyja, W. Mitaroff, H. Miyake, H. Miyata, R. Mizuk, D. Mohapatra, T. Mori, T. Nagamine, Y. Nagasaka, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, W. Ostrowicz, P. Pakhlov, H. Palka, C. W. Park, H. Park, N. Parslow, L. S. Peak, R. Pestotnik, L. E. Piilonen, H. Sagawa, Y. Sakai, N. Sato, T. Schietinger, O. Schneider, J. Schümann, K. Senyo, H. Shibuya, B. Shwartz, J. B. Singh, A. Somov, N. Soni, R. Stamen, S. Stanič, M. Starič, K. Sumisawa, T. Sumiyoshi, S. Y. Suzuki, O. Tajima, F. Takasaki, N. Tamura, M. Tanaka, Y. Teramoto, X. C. Tian, T. Tsuboyama, T. Tsukamoto, T. Uglov, S. Uno, G. Varner, S. Villa, C. C. Wang, C. H. Wang, M. Watanabe, Y. Watanabe, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, J. Ying, Y. Yusa, L. M. Zhang, Z. P. Zhang, V. Zhilich, D. Žontar

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

We have measured π+π- and K+K - production in two-photon collisions using 87.7fb-1 of data collected with the Belle detector at the asymmetric energy e +e- collider KEKB. The cross sections are measured to high precision in the two-photon center-of-mass energy (W) range between 2.4GeV+K-)/ σ(γγ→π+π-) is measured to be 0.89±0.04(stat.)±0.15(syst.) in the range of 3.0GeV-4θ* behavior of the cross section in the same W range. Production of χc0 and χc2 mesons is observed in both γγ→π+π- and γγ→K+K- modes.

Original languageEnglish
Pages (from-to)39-49
Number of pages11
JournalPhysics Letters B
Volume615
Issue number1-2
DOIs
Publication statusPublished - May 26 2005

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cross sections
photons
center of mass
mesons
collisions
energy
detectors

Keywords

  • Charmonium
  • Mesons
  • QCD
  • Two-photon collisions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Nakazawa, H., Uehara, S., Abe, K., Abe, K., Aihara, H., Akatsu, M., ... Žontar, D. (2005). Measurement of the γγ → π+π- and γγ → K+K- processes at energies of 2.4-4.1 GeV. Physics Letters B, 615(1-2), 39-49. https://doi.org/10.1016/j.physletb.2005.03.067

Measurement of the γγ → π+π- and γγ → K+K- processes at energies of 2.4-4.1 GeV. / Nakazawa, H.; Uehara, S.; Abe, K.; Abe, K.; Aihara, H.; Akatsu, M.; Asano, Y.; Aulchenko, V.; Aushev, T.; Bahinipati, S.; Bakich, A. M.; Ban, Y.; Banerjee, S.; Bedny, I.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bozek, A.; Bračko, M.; Brodzicka, J.; Chen, A.; Cheon, B. G.; Chistov, R.; Choi, Y.; Choi, Y. K.; Chuvikov, A.; Dalseno, J.; Danilov, M.; Dash, M.; Drutskoy, A.; Eidelman, S.; Enari, Y.; Epifanov, D.; Fratina, S.; Gabyshev, N.; Garmash, A.; Gershon, T.; Gokhroo, G.; Hayasaka, K.; Hayashii, H.; Hoshi, Y.; Hou, S.; Hou, W. S.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kang, J. H.; Kang, J. S.; Kataoka, S. U.; Katayama, N.; Kawai, H.; Kawasaki, T.; Khan, H. R.; Kichimi, H.; Kim, H. J.; Kim, J. H.; Kim, S. K.; Kim, S. M.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kuo, C. C.; Kuzmin, A.; Kwon, Y. J.; Leder, G.; Lee, S. E.; Lesiak, T.; Li, J.; Lin, S. W.; Liventsev, D.; Majumder, G.; Mandl, F.; Matsumoto, T.; Matyja, A.; Mitaroff, W.; Miyake, H.; Miyata, H.; Mizuk, R.; Mohapatra, D.; Mori, T.; Nagamine, T.; Nagasaka, Y.; Nakano, E.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Ostrowicz, W.; Pakhlov, P.; Palka, H.; Park, C. W.; Park, H.; Parslow, N.; Peak, L. S.; Pestotnik, R.; Piilonen, L. E.; Sagawa, H.; Sakai, Y.; Sato, N.; Schietinger, T.; Schneider, O.; Schümann, J.; Senyo, K.; Shibuya, H.; Shwartz, B.; Singh, J. B.; Somov, A.; Soni, N.; Stamen, R.; Stanič, S.; Starič, M.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S. Y.; Tajima, O.; Takasaki, F.; Tamura, N.; Tanaka, M.; Teramoto, Y.; Tian, X. C.; Tsuboyama, T.; Tsukamoto, T.; Uglov, T.; Uno, S.; Varner, G.; Villa, S.; Wang, C. C.; Wang, C. H.; Watanabe, M.; Watanabe, Y.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Ying, J.; Yusa, Y.; Zhang, L. M.; Zhang, Z. P.; Zhilich, V.; Žontar, D.

In: Physics Letters B, Vol. 615, No. 1-2, 26.05.2005, p. 39-49.

Research output: Contribution to journalArticle

Nakazawa, H, Uehara, S, Abe, K, Abe, K, Aihara, H, Akatsu, M, Asano, Y, Aulchenko, V, Aushev, T, Bahinipati, S, Bakich, AM, Ban, Y, Banerjee, S, Bedny, I, Bitenc, U, Bizjak, I, Blyth, S, Bondar, A, Bozek, A, Bračko, M, Brodzicka, J, Chen, A, Cheon, BG, Chistov, R, Choi, Y, Choi, YK, Chuvikov, A, Dalseno, J, Danilov, M, Dash, M, Drutskoy, A, Eidelman, S, Enari, Y, Epifanov, D, Fratina, S, Gabyshev, N, Garmash, A, Gershon, T, Gokhroo, G, Hayasaka, K, Hayashii, H, Hoshi, Y, Hou, S, Hou, WS, Iijima, T, Imoto, A, Inami, K, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Kang, JH, Kang, JS, Kataoka, SU, Katayama, N, Kawai, H, Kawasaki, T, Khan, HR, Kichimi, H, Kim, HJ, Kim, JH, Kim, SK, Kim, SM, Korpar, S, Križan, P, Krokovny, P, Kulasiri, R, Kuo, CC, Kuzmin, A, Kwon, YJ, Leder, G, Lee, SE, Lesiak, T, Li, J, Lin, SW, Liventsev, D, Majumder, G, Mandl, F, Matsumoto, T, Matyja, A, Mitaroff, W, Miyake, H, Miyata, H, Mizuk, R, Mohapatra, D, Mori, T, Nagamine, T, Nagasaka, Y, Nakano, E, Nakao, M, Natkaniec, Z, Nishida, S, Nitoh, O, Nozaki, T, Ogawa, S, Ohshima, T, Okabe, T, Okuno, S, Olsen, SL, Ostrowicz, W, Pakhlov, P, Palka, H, Park, CW, Park, H, Parslow, N, Peak, LS, Pestotnik, R, Piilonen, LE, Sagawa, H, Sakai, Y, Sato, N, Schietinger, T, Schneider, O, Schümann, J, Senyo, K, Shibuya, H, Shwartz, B, Singh, JB, Somov, A, Soni, N, Stamen, R, Stanič, S, Starič, M, Sumisawa, K, Sumiyoshi, T, Suzuki, SY, Tajima, O, Takasaki, F, Tamura, N, Tanaka, M, Teramoto, Y, Tian, XC, Tsuboyama, T, Tsukamoto, T, Uglov, T, Uno, S, Varner, G, Villa, S, Wang, CC, Wang, CH, Watanabe, M, Watanabe, Y, Yabsley, BD, Yamaguchi, A, Yamashita, Y, Yamauchi, M, Ying, J, Yusa, Y, Zhang, LM, Zhang, ZP, Zhilich, V & Žontar, D 2005, 'Measurement of the γγ → π+π- and γγ → K+K- processes at energies of 2.4-4.1 GeV', Physics Letters B, vol. 615, no. 1-2, pp. 39-49. https://doi.org/10.1016/j.physletb.2005.03.067
Nakazawa, H. ; Uehara, S. ; Abe, K. ; Abe, K. ; Aihara, H. ; Akatsu, M. ; Asano, Y. ; Aulchenko, V. ; Aushev, T. ; Bahinipati, S. ; Bakich, A. M. ; Ban, Y. ; Banerjee, S. ; Bedny, I. ; Bitenc, U. ; Bizjak, I. ; Blyth, S. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Brodzicka, J. ; Chen, A. ; Cheon, B. G. ; Chistov, R. ; Choi, Y. ; Choi, Y. K. ; Chuvikov, A. ; Dalseno, J. ; Danilov, M. ; Dash, M. ; Drutskoy, A. ; Eidelman, S. ; Enari, Y. ; Epifanov, D. ; Fratina, S. ; Gabyshev, N. ; Garmash, A. ; Gershon, T. ; Gokhroo, G. ; Hayasaka, K. ; Hayashii, H. ; Hoshi, Y. ; Hou, S. ; Hou, W. S. ; Iijima, T. ; Imoto, A. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwasaki, M. ; Iwasaki, Y. ; Kang, J. H. ; Kang, J. S. ; Kataoka, S. U. ; Katayama, N. ; Kawai, H. ; Kawasaki, T. ; Khan, H. R. ; Kichimi, H. ; Kim, H. J. ; Kim, J. H. ; Kim, S. K. ; Kim, S. M. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kulasiri, R. ; Kuo, C. C. ; Kuzmin, A. ; Kwon, Y. J. ; Leder, G. ; Lee, S. E. ; Lesiak, T. ; Li, J. ; Lin, S. W. ; Liventsev, D. ; Majumder, G. ; Mandl, F. ; Matsumoto, T. ; Matyja, A. ; Mitaroff, W. ; Miyake, H. ; Miyata, H. ; Mizuk, R. ; Mohapatra, D. ; Mori, T. ; Nagamine, T. ; Nagasaka, Y. ; Nakano, E. ; Nakao, M. ; Natkaniec, Z. ; Nishida, S. ; Nitoh, O. ; Nozaki, T. ; Ogawa, S. ; Ohshima, T. ; Okabe, T. ; Okuno, S. ; Olsen, S. L. ; Ostrowicz, W. ; Pakhlov, P. ; Palka, H. ; Park, C. W. ; Park, H. ; Parslow, N. ; Peak, L. S. ; Pestotnik, R. ; Piilonen, L. E. ; Sagawa, H. ; Sakai, Y. ; Sato, N. ; Schietinger, T. ; Schneider, O. ; Schümann, J. ; Senyo, K. ; Shibuya, H. ; Shwartz, B. ; Singh, J. B. ; Somov, A. ; Soni, N. ; Stamen, R. ; Stanič, S. ; Starič, M. ; Sumisawa, K. ; Sumiyoshi, T. ; Suzuki, S. Y. ; Tajima, O. ; Takasaki, F. ; Tamura, N. ; Tanaka, M. ; Teramoto, Y. ; Tian, X. C. ; Tsuboyama, T. ; Tsukamoto, T. ; Uglov, T. ; Uno, S. ; Varner, G. ; Villa, S. ; Wang, C. C. ; Wang, C. H. ; Watanabe, M. ; Watanabe, Y. ; Yabsley, B. D. ; Yamaguchi, A. ; Yamashita, Y. ; Yamauchi, M. ; Ying, J. ; Yusa, Y. ; Zhang, L. M. ; Zhang, Z. P. ; Zhilich, V. ; Žontar, D. / Measurement of the γγ → π+π- and γγ → K+K- processes at energies of 2.4-4.1 GeV. In: Physics Letters B. 2005 ; Vol. 615, No. 1-2. pp. 39-49.
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title = "Measurement of the γγ → π+π- and γγ → K+K- processes at energies of 2.4-4.1 GeV",
abstract = "We have measured π+π- and K+K - production in two-photon collisions using 87.7fb-1 of data collected with the Belle detector at the asymmetric energy e +e- collider KEKB. The cross sections are measured to high precision in the two-photon center-of-mass energy (W) range between 2.4GeV+K-)/ σ(γγ→π+π-) is measured to be 0.89±0.04(stat.)±0.15(syst.) in the range of 3.0GeV-4θ* behavior of the cross section in the same W range. Production of χc0 and χc2 mesons is observed in both γγ→π+π- and γγ→K+K- modes.",
keywords = "Charmonium, Mesons, QCD, Two-photon collisions",
author = "H. Nakazawa and S. Uehara and K. Abe and K. Abe and H. Aihara and M. Akatsu and Y. Asano and V. Aulchenko and T. Aushev and S. Bahinipati and Bakich, {A. M.} and Y. Ban and S. Banerjee and I. Bedny and U. Bitenc and I. Bizjak and S. Blyth and A. Bondar and A. Bozek and M. Bračko and J. Brodzicka and A. Chen and Cheon, {B. G.} and R. Chistov and Y. Choi and Choi, {Y. K.} and A. Chuvikov and J. Dalseno and M. Danilov and M. Dash and A. Drutskoy and S. Eidelman and Y. Enari and D. Epifanov and S. Fratina and N. Gabyshev and A. Garmash and T. Gershon and G. Gokhroo and K. Hayasaka and H. Hayashii and Y. Hoshi and S. Hou and Hou, {W. S.} and T. Iijima and A. Imoto and K. Inami and A. Ishikawa and R. Itoh and M. Iwasaki and Y. Iwasaki and Kang, {J. H.} and Kang, {J. S.} and Kataoka, {S. U.} and N. Katayama and H. Kawai and T. Kawasaki and Khan, {H. R.} and H. Kichimi and Kim, {H. J.} and Kim, {J. H.} and Kim, {S. K.} and Kim, {S. M.} and S. Korpar and P. Križan and P. Krokovny and R. Kulasiri and Kuo, {C. C.} and A. Kuzmin and Kwon, {Y. J.} and G. Leder and Lee, {S. E.} and T. Lesiak and J. Li and Lin, {S. W.} and D. Liventsev and G. Majumder and F. Mandl and T. Matsumoto and A. Matyja and W. Mitaroff and H. Miyake and H. Miyata and R. Mizuk and D. Mohapatra and T. Mori and T. Nagamine and Y. Nagasaka and E. Nakano and M. Nakao and Z. Natkaniec and S. Nishida and O. Nitoh and T. Nozaki and S. Ogawa and T. Ohshima and T. Okabe and S. Okuno and Olsen, {S. L.} and W. Ostrowicz and P. Pakhlov and H. Palka and Park, {C. W.} and H. Park and N. Parslow and Peak, {L. S.} and R. Pestotnik and Piilonen, {L. E.} and H. Sagawa and Y. Sakai and N. Sato and T. Schietinger and O. Schneider and J. Sch{\"u}mann and K. Senyo and H. Shibuya and B. Shwartz and Singh, {J. B.} and A. Somov and N. Soni and R. Stamen and S. Stanič and M. Starič and K. Sumisawa and T. Sumiyoshi and Suzuki, {S. Y.} and O. Tajima and F. Takasaki and N. Tamura and M. Tanaka and Y. Teramoto and Tian, {X. C.} and T. Tsuboyama and T. Tsukamoto and T. Uglov and S. Uno and G. Varner and S. Villa and Wang, {C. C.} and Wang, {C. H.} and M. Watanabe and Y. Watanabe and Yabsley, {B. D.} and A. Yamaguchi and Y. Yamashita and M. Yamauchi and J. Ying and Y. Yusa and Zhang, {L. M.} and Zhang, {Z. P.} and V. Zhilich and D. Žontar",
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month = "5",
day = "26",
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TY - JOUR

T1 - Measurement of the γγ → π+π- and γγ → K+K- processes at energies of 2.4-4.1 GeV

AU - Nakazawa, H.

AU - Uehara, S.

AU - Abe, K.

AU - Abe, K.

AU - Aihara, H.

AU - Akatsu, M.

AU - Asano, Y.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Bahinipati, S.

AU - Bakich, A. M.

AU - Ban, Y.

AU - Banerjee, S.

AU - Bedny, I.

AU - Bitenc, U.

AU - Bizjak, I.

AU - Blyth, S.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Brodzicka, J.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Choi, Y.

AU - Choi, Y. K.

AU - Chuvikov, A.

AU - Dalseno, J.

AU - Danilov, M.

AU - Dash, M.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Enari, Y.

AU - Epifanov, D.

AU - Fratina, S.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Gershon, T.

AU - Gokhroo, G.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hoshi, Y.

AU - Hou, S.

AU - Hou, W. S.

AU - Iijima, T.

AU - Imoto, A.

AU - Inami, K.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Kang, J. H.

AU - Kang, J. S.

AU - Kataoka, S. U.

AU - Katayama, N.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Khan, H. R.

AU - Kichimi, H.

AU - Kim, H. J.

AU - Kim, J. H.

AU - Kim, S. K.

AU - Kim, S. M.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kulasiri, R.

AU - Kuo, C. C.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Leder, G.

AU - Lee, S. E.

AU - Lesiak, T.

AU - Li, J.

AU - Lin, S. W.

AU - Liventsev, D.

AU - Majumder, G.

AU - Mandl, F.

AU - Matsumoto, T.

AU - Matyja, A.

AU - Mitaroff, W.

AU - Miyake, H.

AU - Miyata, H.

AU - Mizuk, R.

AU - Mohapatra, D.

AU - Mori, T.

AU - Nagamine, T.

AU - Nagasaka, Y.

AU - Nakano, E.

AU - Nakao, M.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nitoh, O.

AU - Nozaki, T.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okabe, T.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Ostrowicz, W.

AU - Pakhlov, P.

AU - Palka, H.

AU - Park, C. W.

AU - Park, H.

AU - Parslow, N.

AU - Peak, L. S.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Sagawa, H.

AU - Sakai, Y.

AU - Sato, N.

AU - Schietinger, T.

AU - Schneider, O.

AU - Schümann, J.

AU - Senyo, K.

AU - Shibuya, H.

AU - Shwartz, B.

AU - Singh, J. B.

AU - Somov, A.

AU - Soni, N.

AU - Stamen, R.

AU - Stanič, S.

AU - Starič, M.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Suzuki, S. Y.

AU - Tajima, O.

AU - Takasaki, F.

AU - Tamura, N.

AU - Tanaka, M.

AU - Teramoto, Y.

AU - Tian, X. C.

AU - Tsuboyama, T.

AU - Tsukamoto, T.

AU - Uglov, T.

AU - Uno, S.

AU - Varner, G.

AU - Villa, S.

AU - Wang, C. C.

AU - Wang, C. H.

AU - Watanabe, M.

AU - Watanabe, Y.

AU - Yabsley, B. D.

AU - Yamaguchi, A.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Ying, J.

AU - Yusa, Y.

AU - Zhang, L. M.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Žontar, D.

PY - 2005/5/26

Y1 - 2005/5/26

N2 - We have measured π+π- and K+K - production in two-photon collisions using 87.7fb-1 of data collected with the Belle detector at the asymmetric energy e +e- collider KEKB. The cross sections are measured to high precision in the two-photon center-of-mass energy (W) range between 2.4GeV+K-)/ σ(γγ→π+π-) is measured to be 0.89±0.04(stat.)±0.15(syst.) in the range of 3.0GeV-4θ* behavior of the cross section in the same W range. Production of χc0 and χc2 mesons is observed in both γγ→π+π- and γγ→K+K- modes.

AB - We have measured π+π- and K+K - production in two-photon collisions using 87.7fb-1 of data collected with the Belle detector at the asymmetric energy e +e- collider KEKB. The cross sections are measured to high precision in the two-photon center-of-mass energy (W) range between 2.4GeV+K-)/ σ(γγ→π+π-) is measured to be 0.89±0.04(stat.)±0.15(syst.) in the range of 3.0GeV-4θ* behavior of the cross section in the same W range. Production of χc0 and χc2 mesons is observed in both γγ→π+π- and γγ→K+K- modes.

KW - Charmonium

KW - Mesons

KW - QCD

KW - Two-photon collisions

UR - http://www.scopus.com/inward/record.url?scp=19944399794&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=19944399794&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2005.03.067

DO - 10.1016/j.physletb.2005.03.067

M3 - Article

VL - 615

SP - 39

EP - 49

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

SN - 0370-2693

IS - 1-2

ER -