National nuclear data center




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NATIONAL NUCLEAR DATA CENTER

Bldg. 197D

Brookhaven National Laboratory

P. O. Box 5000

Upton, NY 11973-5000 U.S.A.
(Internet) "NNDC@BNL.GOV Telephone: (516)344-2902

FAX: (516)344-2806


Memo CP C/257

DATE: October 7, 1999

TO: Distribution

FROM: V. McLane

SUBJECT: 1) Dictionary updates

2) Polarization.

Please make the following updates to the Dictionaries.

Dictionary 3 (Institutes) Correction

1USANCA Change city from Raleigh to Chapel Hill



Dictionary 31 (Branch) Additions

20 rank and projection (kq) for tensor analyzing powers

21 rank and projection (kq) for tensor analyzing powers)

22 rank and projection (kq) for tensor analyzing powers)



Dictionary 36 (Quantity) Additions

20,POL/DA,,TAP T20 , tensor analyzing power, spherical coord.

20/PAR,POL/DA,,TAP T20 , tensor analyzing power, spherical coord.,partl.

21,POL/DA,,TAP T21 , tensor analyzing power, spherical coord.

22,POL/DA,,TAP T22 , tensor analyzing power, spherical coord.

PAR,POL/DA,,SF Spin flip probability for partial reaction.



Distribution

M. Chiba, Sapporo

F. E. Chukreev, CaJaD

S. Dunaeva, Sarov

K. Kato, JCPDG

M. Kellett, NEADB

V. N. Manokhin, CJD

S. Maev, CJD

O. Schwerer, NDS

S. Takcs, ATOMKI

F. T. Tárkányi, ATOMKI

Y. Tendow, RIKEN

V. Varlamov, CDFE

Zhuang Youxiang, CNDC

NNDC (3)





Proposed LEXFOR entry

Updated LEXFOR entry for POLARIZATION, Spherical Coordinates



Quantities given in spherical coordinates

The following subscripts are defined:

k refers to rank

q refers to projection

T
he differential cross section for a reaction initiated by a beam with tensor components tkq is given by

where 0 is the cross section for unpolarized particles.

The definitions given, following, refer to spin-1 particles.

If parity is conserved, T10 = 0, T11 = pure imaginary, and T2q = pure real. The cross section may be written as






Analyzing Power

Vector analyzing power, iT11

REACTION coding: ,,pol/da,,vap

Tensor analyzing power

REACTION coding: T20, 20,POL/DA,,TAP

T21, 21,POL/DA,,TAP



T22, 22,POL/DA,,TAP


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