Estimation of Antiproton Flux and $overlineP/P$ Ratios : Interpretation of the New High Energy Data-Sets by BESS, CAPRICE and PAMELA TeX Export

@article{citeulike:5013112, abstract = {Very recent high-precision measurements on antiproton fluxes and the antiproton-to-proton ratios by the PAMELA Collaboration at relatively much higher energies are by now available. The results with regard to antiproton production phenomena though spring no special surprises, sharply in contrast with and contradiction to the case of positron production at the same energy-range, we consider that the totality of data on antiproton production from the past experiments to the very recent PAMELA outburst to be a challenging exercise for interpretation in terms of the secondary production mechanisms alone, the galactic propagation model etc against the background of the `dark-matter'-related controversy. In the present work we assume the validity of the simple leaky box model, choose a simple particle production model and attempt at providing a comprehensive interpretation of the totality of data on both antiproton flux measurements ant the \$\overline{P}/P\$ ratio-values for the various experiments ranging from BESS, CAPRICE and the PAMELA experiment at last. With the assumption of no contribution from the exotic sources to the antiproton production process, our model and the method describe the totality of the measured data with a fair degree of success.}, archivePrefix = {arXiv}, author = {Sau, Goutam and Guptaroy, P. and Bhattacharya, A. and Bhattacharyya, S.}, citeulike-article-id = {5013112}, citeulike-linkout-0 = {http://arxiv.org/abs/0906.3866}, citeulike-linkout-1 = {http://arxiv.org/pdf/0906.3866}, day = {21}, eprint = {0906.3866}, month = {Jun}, posted-at = {2009-06-29 15:35:03}, priority = {4}, title = {Estimation of Antiproton Flux and \$\overline{P}/P\$ Ratios : Interpretation of the New High Energy Data-Sets by BESS, CAPRICE and PAMELA}, url = {http://arxiv.org/abs/0906.3866}, year = {2009} }

TY - JOUR ID - citeulike:5013112 L3 - citeulike-article-id:5013112 N2 - Very recent high-precision measurements on antiproton fluxes and the antiproton-to-proton ratios by the PAMELA Collaboration at relatively much higher energies are by now available. The results with regard to antiproton production phenomena though spring no special surprises, sharply in contrast with and contradiction to the case of positron production at the same energy-range, we consider that the totality of data on antiproton production from the past experiments to the very recent PAMELA outburst to be a challenging exercise for interpretation in terms of the secondary production mechanisms alone, the galactic propagation model etc against the background of the `dark-matter'-related controversy. In the present work we assume the validity of the simple leaky box model, choose a simple particle production model and attempt at providing a comprehensive interpretation of the totality of data on both antiproton flux measurements ant the $\overline{P}/P$ ratio-values for the various experiments ranging from BESS, CAPRICE and the PAMELA experiment at last. With the assumption of no contribution from the exotic sources to the antiproton production process, our model and the method describe the totality of the measured data with a fair degree of success. TI - Estimation of Antiproton Flux and $\overline{P}/P$ Ratios : Interpretation of the New High Energy Data-Sets by BESS, CAPRICE and PAMELA AU - Sau, Goutam AU - Guptaroy, P AU - Bhattacharya, A AU - Bhattacharyya, S PY - 2009/Jun/21/ UR - http://arxiv.org/abs/0906.3866 ER -