hi adrian,
yeah, that's right. incidentally, the generator actually only uses
the product p_b * p_t.
--chris
Adrian T Sindile wrote:
>Hi, Chris!
>I think you already answered this question, but just to make sure: when I
>run your epel generator with the following FFREAD cards (four different
>cases):
>
>kine 10 0.85 85. 25. 25. -25. 0.7 0.55 45. 0
>kine 10 0.85 85. 25. 25. -25. -0.7 0.55 45. 0
>kine 10 0.85 85. 25. 25. -25. 0.7 -0.55 45. 0
>kine 10 0.85 85. 25. 25. -25. -0.7 -0.55 45. 0
>
>am I flipping beam helicity and target spin correctly?
>I mean, in the case of the target, +/- 0.55 means a polarization of 55%,
>in the direction of the holding field and in opposite direction respectively,
>am I right?
>
>This, plus an answer form Chi regarding the POL(3) array used in
>WRITECODAVERTEX() will ensure we can use the same reconstruction classes
>to see the helicity and target spin orientation in the Monte Carlo CODA
>stream (with no changes required to the recon classes).
>
>Thanks!
>
>Adrian
>
>
>-------------------------------
>Adrian Sindile
>Research Assistant
>Nuclear Physics Group
>University of New Hampshire
>phone: (603)862-1691
>FAX: (603)862-2998
>email: asindile@alberti.unh.edu
>http://einstein.unh.edu/~adrian/
>
>
>
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