Measurement of proton-proton bremsstrahlung at 389 MeV

K. Yasuda, H. Akiyoshi, T. Hotta, K. Imai, M. Kato, M. Kawabata, Y. Maeda, N. Matsuoka, T. Matsuzuka, Y. Mizuno, T. Murakami, J. Murata, I. Nakagawa, M. Nomachi, T. Noro, Y. Sugaya, K. Takahisa, T. Tamae, K. Tamura, H. TsubotaY. Yokota, H. P. Yoshida, M. Yoshimura, Y. Yuasa

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)


Proton-proton bremsstrahlung cross sections have been measured at 389 MeV incident energy. A two-arm spectrometer and a liquid hydrogen target system have been used to measure the proton-proton bremsstrahlung events with small background. At the present kinematical conditions, an enhancement of the cross sections due to the Δ current contribution is predicted. The measured cross sections are larger than the theoretical predictions including the Δ current contribution.

Original languageEnglish
Pages (from-to)4775-4778
Number of pages4
JournalPhysical review letters
Issue number24
Publication statusPublished - 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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